WO2013015075A1 - プレート表面用粘着クリーナー - Google Patents
プレート表面用粘着クリーナー Download PDFInfo
- Publication number
- WO2013015075A1 WO2013015075A1 PCT/JP2012/066808 JP2012066808W WO2013015075A1 WO 2013015075 A1 WO2013015075 A1 WO 2013015075A1 JP 2012066808 W JP2012066808 W JP 2012066808W WO 2013015075 A1 WO2013015075 A1 WO 2013015075A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- plate surface
- pressure
- cleaner
- sensitive adhesive
- Prior art date
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- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
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- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
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- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-N n-Decanedioic acid Natural products OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- VABATIYWCXGQQP-UHFFFAOYSA-N nonadecyl prop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCCOC(=O)C=C VABATIYWCXGQQP-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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- 229920001084 poly(chloroprene) Polymers 0.000 description 1
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- 229920005862 polyol Polymers 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 1
- 235000010378 sodium ascorbate Nutrition 0.000 description 1
- 229960005055 sodium ascorbate Drugs 0.000 description 1
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 1
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- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 238000004381 surface treatment Methods 0.000 description 1
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- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 229940087291 tridecyl alcohol Drugs 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass
- A47L25/005—Domestic cleaning devices not provided for in other groups of this subclass using adhesive or tacky surfaces to remove dirt, e.g. lint removers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0028—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by adhesive surfaces
Definitions
- the present invention relates to an adhesive cleaner for removing dust and dirt, and more particularly, dirt made of sebum and other organic substances from a smooth plate surface such as a display surface / input surface provided in a portable PC or a high-performance mobile phone.
- the present invention relates to an adhesive cleaner for removing water.
- portable devices such as portable PCs and high-function mobile phones, such as notebook computers, tablet computers, PDAs (personal digital assistants), and smartphones, have been rapidly spreading.
- These portable devices are typically provided with a display unit (display) composed of a liquid crystal panel or an organic EL panel.
- the surface (display surface) of the display unit is typically composed of a smooth plate made of high-strength glass or synthetic resin (plastic).
- Such portable devices are used by users on a daily basis according to their lifestyles and business styles. Therefore, they are used for organic substances such as dust and dirt, especially dirt, cosmetics, and sebum. Dirt becomes easy to adhere.
- some recent portable devices are constructed in a touch panel system so that the display unit functions as an input unit.
- the user touches the plate surface (display surface) directly with a finger, so that organic substances such as dirt and sebum are more likely to adhere. Therefore, the plate surface (display surface) constituting the display unit / input unit of this type of device is capable of quickly and easily removing not only dust but also organic contaminants such as dirt and sebum. A means (cleaner) is desired.
- the present invention has been created to solve the above-described conventional problems.
- the object of the present invention is to provide a smooth plate surface (display surface) such as the display unit / input unit (touch panel unit) in the portable device described above.
- the present invention provides a cleaner that can easily and efficiently remove not only dust and dirt adhering to () but also organic dirt (for example, dirt, cosmetics, and sebum dirt).
- an adhesive body having a releasable adhesive is provided, and the adhesive body is attached to the plate surface by bringing the adhesive body into contact with the smooth plate surface of a plate having a smooth surface.
- An adhesive cleaner for a plate surface used for removing dirt made of organic matter is provided.
- a support for supporting the pressure-sensitive adhesive body is provided.
- the plate surface adhesive cleaner (dirt remover) disclosed herein removes dirt (for example, human hand dirt, sebum dirt, or cosmetics) made of organic substances on the plate surface with an adhesive having a removable adhesive. It is characterized by that.
- the cleaner having such a structure, when the adhesive body is brought into contact with the plate surface, dirt (such as human hand dirt or sebum dirt) adhering to the plate surface is captured by the adhesive body and removed from the plate surface. Is done. For this reason, the stain
- a glass or synthetic resin display surface also referred to as an input surface in a touch panel system or the like
- the adhesive cleaner for plate surfaces disclosed here is preferably used for removing human sebum dirt as an organic dirt.
- “soil made of organic matter” may also contain inorganic substances such as sodium, potassium, and salts thereof, as is apparent from the fact that sebum secreted from the skin is contained as described above.
- a support for supporting the adhesive is provided, and the support is configured to press the adhesive against the plate surface while pressing the adhesive along the plate surface.
- the pressure-sensitive adhesive body is configured to hold the body so that the body can roll.
- the support is formed in a cylindrical shape, and the pressure-sensitive adhesive body is provided on an outer peripheral surface of the cylindrical support, and the outer diameter of the cylindrical support is designed to be at least 4 mm or more. It is characterized by being.
- a smooth plate surface with a predetermined area can be more efficiently rolled by rolling (rotating or rolling) the support in a predetermined direction on the plate surface. Can remove dirt.
- the adhesive type cleaner is conventionally used (for example, refer to the above-mentioned patent document 2), such a conventional roll-shaped cleaner is used for cleaning floors and carpets. It does not clean a smooth plate surface such as a touch panel surface (display unit / input unit) of a PDA or tablet-type personal computer).
- the pressure-sensitive adhesive body includes a sheet-like base material
- the pressure-sensitive adhesive sheet is formed by holding the pressure-sensitive adhesive on one surface of the sheet-like base material
- the pressure-sensitive adhesive is wound outside. It is characterized by being configured as a rotated adhesive sheet roll.
- the sheet-like substrate is preferably made of synthetic resin, nonwoven fabric or paper.
- the outer peripheral surface of the wound adhesive sheet roll is used to remove the dirt on the plate surface, and the usage frequency and dust and dirt adhering to the adhesive member constituting the outer peripheral surface are removed.
- the pressure-sensitive adhesive sheet roll provided by the present invention is configured to suppress the rail pulling phenomenon.
- the rail pulling phenomenon is a direction opposite to the direction in which the adhesive sheet roll is wound on the surface to be cleaned (the smooth plate surface in the present invention) (that is, the direction in which the wound adhesive sheet is peeled off). Is a phenomenon in which the adhesive sheet adheres to the surface to be cleaned in the form of a belt starting from the end of the outer peripheral surface of the roll when rolled (rotated).
- the adhesive sheet roll By suppressing the occurrence of the rail pulling phenomenon, the adhesive sheet roll can be smoothly rolled without stress on the smooth plate surface, so that dirt consisting of sebum and other organic matter on the plate surface can be efficiently and quickly applied. Can be removed. Moreover, wasteful use of the pressure-sensitive adhesive sheet due to the occurrence of the rail pulling phenomenon (that is, waste of the pressure-sensitive adhesive sheet due to unintentional adhesion of the pressure-sensitive adhesive body to the smooth plate surface) can be prevented.
- the adhesive is an acrylic adhesive, a natural rubber adhesive, or a urethane adhesive.
- the adhesive strength of the adhesive is 1 to 7 N / 25 mm as measured based on a 180 ° peel test specified in JIS Z0237. It is characterized by.
- the plate surface adhesive cleaner disclosed herein is suitable for removing dirt on the surface of smooth plates such as display surfaces of various portable devices. It is a cleaner characterized by being used.
- the use object of the adhesive cleaner for plate surfaces of the present invention is not particularly limited as long as it is a smooth plate surface (typically the surface of a plate made of glass or synthetic resin).
- a display surface of a display device such as a liquid crystal display or an organic EL display is a suitable example.
- surfaces such as a show window glass, a glass table, and a showcase are examples included in the “smooth plate surface” referred to herein.
- the portable device refers to a portable device having a smooth plate surface (that is, a surface to which the plate surface adhesive cleaner of the present invention can be applied) on at least a part of the outer surface, and is not limited to a specific device.
- portable devices include notebook computers of various sizes, tablet computers, PDAs (personal digital assistants) such as electronic notebooks, smartphones and other mobile phones, and portable game machines.
- the shape of the adhesive cleaner for plate surfaces disclosed herein includes an adhesive body having a removable adhesive, and stains made of organic matter on the surface by contacting the adhesive body with a smooth plate surface (particularly As long as it can remove human sebum and dirt, its shape is not particularly limited.
- it may be a sheet-form or patch-form adhesive cleaner for plate surfaces in which an adhesive body and a support that supports the adhesive body are laminated in a layered form (single layer or multilayer).
- a support body (core) formed in a cylindrical shape is provided, and an adhesive body formed in a roll shape is provided.
- the cleaner 10 according to the first embodiment is for removing dirt on the plate surface (here, the display unit constituting the touch panel) 2 of the portable device 1 having the smooth plate surface 2.
- the portable device 1 is a tablet personal computer whose entire outer surface is made of smooth tempered glass such as aluminosilicate glass.
- the cleaner 10 according to this embodiment includes a support body (core) 20 formed in a cylindrical shape, a roll-shaped adhesive body (adhesive sheet roll) 30 wound around the outer peripheral surface of the support body 20, The support body 20 and the adhesive body 30 are provided with a rod-shaped gripping member 40 to which the support body 20 and the adhesive body 30 are attached in a rollable manner.
- a rotatable tip rotation shaft 44 on the side opposite to the handle 42 side of the gripping member 40 is attached so as to penetrate the center hole 20A of the cylindrical support 20.
- the cleaner 10 when an operator (not shown) grips the gripping member 40 and applies a predetermined external force to the cleaner 10, the external force is An adhesive body (adhesive sheet roll) 30 that is transmitted from the gripping member 40 to the support body 20 through the distal end rotating shaft portion 44 and disposed on the outer peripheral surface of the support body 20 is brought into contact with the plate surface 2, and an appropriate pressing force is applied.
- the pressure-sensitive adhesive body 30 rolls in a predetermined direction along the plate surface 2 while being pressed.
- the cleaner 10 according to the present embodiment is used for the purpose of removing (cleaning) dirt made of organic substances adhering to the portable device 1 and other smooth plate surfaces 2.
- the mode of using the cleaner 10 according to the embodiment is a conventional method used for the purpose of removing dust and dirt from carpets and floors. It is the same as the aspect which uses a roll shape cleaner, and the user can use the cleaner 10 which concerns on this embodiment easily.
- a cut line (not shown) for cutting is provided for each circumference of the pressure-sensitive adhesive body (pressure-sensitive adhesive sheet roll) 30.
- This cut is a cutting means for efficiently renewing the outer peripheral surface (work surface) of the adhesive body whose cleaning (dirt removal) performance has deteriorated after the cleaner 10 according to the present embodiment is continuously used.
- it may be an array of long holes or corrugated slits, an intermittent slit such as a perforation, or the like.
- the cut is provided so as to cross the sheet-like pressure-sensitive adhesive body 30 in the width direction (direction orthogonal to the longitudinal direction).
- the update of the pressure-sensitive adhesive body outer peripheral surface is not limited to the above-described cutting means, and for example, a direction (typically, an intermittent slit such as a perforation intersects the sheet winding direction of the pressure-sensitive adhesive sheet roll 30) It may be formed in a spiral shape in a direction intersecting at an angle of 30 to 60 ° with respect to the width direction. Alternatively, slits (continuous cuts) may be made at predetermined intervals in the sheet-like pressure-sensitive adhesive body 30 constituting the pressure-sensitive adhesive sheet roll 30 instead of intermittent slits such as perforations. According to this embodiment, the work surface can be easily updated by peeling off the outer peripheral surface (work surface) of the pressure-sensitive adhesive body that has been completely cut at a predetermined interval in the roll winding direction.
- a paper typically made of cardboard
- the support 20 made of another material for example, polyolefin-based or other synthetic resin
- the size of the cylindrical support 20 is the shape and size of the smooth plate surface (for example, A4 size, A5 size, A6 size, B4 size, B5 size, or B6 size) included in the product to be used (for example, portable device).
- the diameter of the support (referred to as outer diameter; the same shall apply hereinafter) is suitably at least 4 mm, preferably 10 mm or more (for example, 20 mm or more).
- the support When the plate surface adhesive cleaner is small (for example, pen size), the support may have a diameter of less than 4 mm, for example, about 1 to 3 mm. And the diameter of the roll which match
- a portable size for example, A4 to A6 or B5 included in the portable device 1 illustrated in FIG.
- a smooth plate surface (typically a display surface / input surface) made of glass or synthetic resin ( ⁇ B6 size) can be efficiently and quickly cleaned (stained).
- a so-called coreless type pressure-sensitive adhesive sheet roll in which only the pressure-sensitive adhesive body 30 is wound in a roll shape without using the support body (core) 20 may be used. In that case, the distal end rotating shaft 44 of the gripping member 40 may be disposed at the center of the roll made of the adhesive body 30.
- the pressure-sensitive adhesive body (pressure-sensitive adhesive sheet roll) 30 of the cleaner 10 includes a long sheet-shaped (band-shaped) base material 36 and a pressure-sensitive adhesive on one surface 36 ⁇ / b> A of the base material 36. And a pressure-sensitive adhesive layer 32 formed by holding the support, so that the outer surface (that is, the pressure-sensitive adhesive surface) 32A of the pressure-sensitive adhesive layer 32 faces the outer side (that is, the outer peripheral side of the roll).
- the body 20 is wound around the body 20 in a roll shape.
- the base material 36 is typically composed of various synthetic resins, nonwoven fabrics, or paper.
- the synthetic resin include polyolefin (polyethylene, polypropylene, ethylene-propylene copolymer, etc.), polyester (polyethylene terephthalate, etc.), vinyl chloride resin, vinyl acetate resin, polyimide resin, polyamide resin, fluororesin, and the like.
- a base material made of polyethylene terephthalate (PET) can be preferably used.
- PET polyethylene terephthalate
- paper include Japanese paper, craft paper, glassine paper, high-quality paper, synthetic paper, topcoat paper, and the like.
- Examples of the fabric include woven fabrics and non-woven fabrics made of various fibrous substances alone or by blending.
- Examples of the fibrous material include cotton, suf, manila hemp, pulp, rayon, acetate fiber, polyester fiber, polyvinyl alcohol fiber, polyamide fiber, polyolefin fiber, and the like.
- Examples of rubber sheets include natural rubber sheets and butyl rubber sheets.
- Examples of the foam sheet include a foamed polyurethane sheet and a foamed polychloroprene rubber sheet.
- Examples of the metal foil include aluminum foil and copper foil.
- the base material 36 may be filled with a filler (inorganic filler, organic filler, etc.), an anti-aging agent, an antioxidant, an ultraviolet absorber, a light stabilizer, an antistatic agent, a lubricant, a plasticizer, or a color as necessary.
- a filler inorganic filler, organic filler, etc.
- an anti-aging agent such as antioxidant, an ultraviolet absorber, a light stabilizer, an antistatic agent, a lubricant, a plasticizer, or a color as necessary.
- additives such as additives (pigments, dyes, etc.) may be blended.
- a surface treatment for adjusting the unwinding force of the pressure-sensitive adhesive sheet roll 30 to an appropriate range such as application of a silicone release agent (typically, the unwinding force is high) (A peeling treatment for preventing it from becoming too much) may be performed.
- the thickness of the base material 36 can be appropriately selected according to the purpose and is not particularly limited. Generally, it is appropriate that the thickness
- the user can use an appropriate pressing force (for example, the operator can apply 100 to 1200 g (typically 200 g to The cleaner 10 is brought into contact with the plate surface 2 to be cleaned while applying a pressing force of 500 g), and is moved at an appropriate moving speed (for example, 0.1 to 0.5 m / sec. It is preferable to have an adhesive force suitable for the purpose of taking dust and dirt (especially dirt made of organic matter) adhering to the plate surface 2 into the adhesive body 30 side while moving in a predetermined direction at a moving speed).
- an appropriate pressing force for example, the operator can apply 100 to 1200 g (typically 200 g to
- the cleaner 10 is brought into contact with the plate surface 2 to be cleaned while applying a pressing force of 500 g), and is moved at an appropriate moving speed (for example, 0.1 to 0.5 m / sec.
- the pressure-sensitive adhesive is suitably about 1 to 7 N / 25 mm as measured based on the 180 ° peel test specified in JIS Z0237, and has an adhesive strength of about 1.3 to 6.5 N / 25 mm. Is preferred.
- the adhesive strength is about 0.05 N / 25 mm or more (for example, 0.1 N / 25 mm or more, typically 0.5 N / 25 mm or more). It is good.
- Adhesive strength that is lower than this level is not preferred because the dirt and dust removal performance originally required for the cleaner 10 is reduced. On the other hand, if the adhesive strength is higher than the above level, movement of the cleaner 10 (adhesive body 30) on the target smooth plate surface and detachment from the plate surface 2 are difficult.
- the rail on the smooth plate surface for example, a plate surface made of glass such as aluminosilicate glass or synthetic resin
- the adhesive force for example, the measured value based on the 180 ° peel test is 1 to 7 N / 25 mm
- the unwinding force are harmonized so that the occurrence of the pulling phenomenon is suppressed.
- the rewinding force refers to a force required for pulling out the pressure-sensitive adhesive sheet from the pressure-sensitive adhesive sheet roll (that is, also grasped as a resistance force against rewinding and a pressure-sensitive adhesive force against the back surface 36B of the substrate 36).
- the unwinding force is set too low compared to the adhesive force, the unwinding force is applied to the adhesive force between the adhesive 30 and the plate surface 2 when the adhesive sheet roll 30 is rolled on the smooth plate surface 2. Since there is a possibility of causing a rail pulling phenomenon by losing, it is not preferable.
- the rewinding force is too high, it is difficult to smoothly pull out the pressure-sensitive adhesive sheet.
- the rewinding force can be evaluated as follows.
- the pressure-sensitive adhesive sheet roll 30 is set in a predetermined tensile testing machine, and the front end of the wound pressure-sensitive adhesive sheet is chucked on the testing machine under atmospheric pressure conditions (for example, in air at a temperature of 23 ° C. and a relative humidity of 50%).
- the pressure-sensitive adhesive sheet roll 30 is rewound in the tangential direction by being attached to the belt and pulled at a predetermined speed (for example, 300 mm / min), and the unwinding force at this time is a value per predetermined width (for example, 150 mm) of the pressure-sensitive adhesive layer 32. It can be determined by converting to (N / 150 mm). For example, a rewinding force of about 0.5 to 2.5 N / 150 mm is preferable.
- the thickness of the pressure-sensitive adhesive layer 32 can be appropriately selected according to the purpose, and is not particularly limited. Generally, it is appropriate that the thickness of the pressure-sensitive adhesive layer 32 is about 30 ⁇ m to 300 ⁇ m (typically about 50 to 150 ⁇ m). The greater the thickness of the pressure-sensitive adhesive layer 32, the greater the amount of captured components such as sebum that can be taken into the pressure-sensitive adhesive layer, which tends to improve the recoverability of the dirt capturing ability. Or when the adhesive layer 32 is thinned, weight reduction and size reduction are implement
- the pressure-sensitive adhesive layer 32 may be formed over the entire range of one surface of the base material 36, or, as shown in FIG.
- the pressure-sensitive adhesive layer 32 is typically continuously formed (solid-coated) uniformly over the entire range of the base material 36 or the range where the non-adhesive portions 37 and 38 are left as shown in FIG.
- the cleaner 10 according to the second embodiment includes a substantially spherical adhesive body 30, a support body 20 that supports a part of the adhesive body 30 (typically above), and a connection to the support body 20.
- the holding member 40 is provided.
- the pressure-sensitive adhesive body 30 may be a sphere composed only of a pressure-sensitive adhesive, or may be one in which a pressure-sensitive adhesive layer is formed on the surface of a hollow or solid spherical base material.
- the support 20 has a curved surface that follows the spherical shape of the adhesive 30 and supports the adhesive 30 so that it can roll.
- the shape of the support 20 can also be called a bowl shape.
- the grip member 40 is a rod-like long member, one end of which is fixed to the support 20 and the other end is provided with a handle 42.
- an operator holds the handle 42 of the cleaner 10 and puts the spherical adhesive body 30 in a desired direction on the plate surface 2 of the portable device 1 (the direction indicated by the arrow in FIG. 5).
- the pressure-sensitive adhesive body 30 captures dirt consisting of dust and organic substances present on the plate surface 2. In this way, the cleaning (dirt removal) of the plate surface 2 is performed quickly and efficiently.
- the diameter of the pressure-sensitive adhesive body 30 having a spherical shape is not particularly limited, but is suitably about 5 mm to 50 mm (for example, 10 mm to 40 mm, typically 20 mm to 30 mm). Since matters other than those described above can be basically the same as those in the first embodiment, description thereof will not be repeated here.
- the plate surface adhesive cleaner is not limited to the above embodiment.
- the plate surface adhesive cleaner may be composed only of an adhesive.
- Examples of such an adhesive cleaner for the plate surface include cleaners composed only of adhesive bodies such as a spherical shape, a cylindrical shape, and a hexahedral shape (for example, a rectangular parallelepiped shape). Or you may provide the adhesive body of the said spherical shape etc. and the support body which supports this adhesive body. Such a support may be connected directly or indirectly (connected or detachably connected) to the pressure-sensitive adhesive body.
- a stick-shaped support having a columnar or rectangular parallelepiped adhesive fixed to one end thereof can be mentioned.
- a flat support may be provided, an adhesive layer made of an adhesive is provided on one side, and a hold may be provided on the opposite side.
- a plate surface adhesive cleaner hold may be formed in a band shape, and both ends thereof may be fixed to a support. The operator can operate the adhesive cleaner for the plate surface by inserting and holding at least a part of the hand (typically several fingers) through the ring formed by the hold and the support.
- a laminate adheresive body obtained by laminating a plurality of sheet-like adhesive layers may be provided, and the laminate may be supported by a support.
- the laminate may have at least a first layer and a second layer.
- a plate surface adhesive cleaner when the dirt removal performance of the outermost adhesive layer (first layer) is deteriorated as a result of use, the adhesive layer (first layer) is peeled off and the first A pressure-sensitive adhesive layer (second layer) different from the layer is exposed, and dirt removal can be performed by this second layer.
- a sheet-like base material made of PET film or the like may be provided, and one surface of the base material (for example, the surface in contact with the surface of the second layer) ) May be subjected to a silicone-based release treatment.
- the composition (component) of the pressure-sensitive adhesive constituting the pressure-sensitive adhesive body 30 is not particularly limited.
- suitable pressure-sensitive adhesives include various solvent-based pressure-sensitive adhesives and water-based (emulsion-based) pressure-sensitive adhesives.
- a solvent-based adhesive is particularly preferable.
- suitable adhesives include acrylic adhesives, natural rubber adhesives, urethane adhesives, silicone adhesives, and the like. Particularly preferred are acrylic adhesives, natural rubber adhesives, and urethane adhesives.
- the pressure-sensitive adhesive is preferably an acrylic pressure-sensitive adhesive containing an acrylic polymer as a base polymer (the main component of the polymer component, the main pressure-sensitive adhesive component).
- the “acrylic polymer” is typically a monomer raw material (single monomer) that contains a (meth) acrylic acid alkyl ester as a main monomer and may further contain a submonomer copolymerizable with the main monomer. Alternatively, it is a polymer (copolymer) synthesized by polymerizing a monomer mixture.
- “(Meth) acrylate” means acrylate and methacrylate comprehensively.
- “(meth) acryloyl” means acryloyl and methacryloyl
- “(meth) acryl” generically means acrylic and methacryl.
- R 1 in the above formula is a hydrogen atom or a methyl group.
- R 2 is an alkyl group having 1 to 20 carbon atoms (hereinafter, such a range of the number of carbon atoms may be represented as “C 1-20 ”). From the viewpoint of the storage modulus of the pressure-sensitive adhesive and the like, it may be a (meth) acrylic acid alkyl ester in which R 2 is a C 1-14 (eg, C 1-10 ) alkyl group.
- the alkyl group may be linear or branched.
- Examples of the (meth) acrylic acid alkyl ester having a C 1-20 alkyl group include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, and isopropyl (meth) acrylate.
- n-butyl acrylate, n-butyl methacrylate, 2-ethylhexyl acrylate, and isononyl acrylate are preferable.
- one or two or more of these acrylic polymers copolymerized in a proportion exceeding 50% by mass for example, 60% to 99% by mass, typically 70% to 98% by mass. It can be.
- the monomer raw material used for polymerizing the acrylic polymer contains, in addition to the main monomer, a secondary monomer copolymerizable with the main monomer as a comonomer unit. Also good.
- Such submonomer includes not only a monomer but also an oligomer.
- Examples of the submonomer include a monomer having a functional group (hereinafter also referred to as a functional group-containing monomer).
- a functional group-containing monomer can be added for the purpose of introducing a crosslinking point into the acrylic polymer and increasing the cohesive strength of the acrylic polymer.
- Such functional group-containing monomers include carboxyl group-containing monomers, acid anhydride group-containing monomers, hydroxyl group (hydroxyl group) -containing monomers, amide group-containing monomers, amino group-containing monomers, epoxy group (glycidyl group) -containing monomers, alkoxy And group-containing monomers and alkoxysilyl group-containing monomers. These can be used alone or in combination of two or more.
- a functional group-containing monomer such as a carboxyl group, a hydroxyl group, or an epoxy group is preferable because a crosslinking point can be suitably introduced into the acrylic polymer and the cohesive force of the acrylic polymer can be further increased. More preferred are carboxyl group-containing monomers or hydroxyl group-containing monomers.
- carboxyl group-containing monomer examples include ethylenically unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, carboxyethyl (meth) acrylate, and carboxypentyl (meth) acrylate, itaconic acid, maleic acid, fumaric acid, and citracone.
- ethylenically unsaturated dicarboxylic acids such as acids. Of these, acrylic acid and / or methacrylic acid are preferable, and acrylic acid is particularly preferable.
- Examples of the acid anhydride group-containing monomer include acid anhydrides such as the above ethylenically unsaturated dicarboxylic acids such as maleic anhydride and itaconic anhydride.
- Examples of the hydroxyl group (hydroxyl group) -containing monomer include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxy Unsaturated alcohols such as hydroxyalkyl (meth) acrylates such as butyl (meth) acrylate, N-methylol (meth) acrylamide, vinyl alcohol, allyl alcohol, 2-hydroxyethyl vinyl ether, 4-hydroxybutyl vinyl ether, diethylene glycol monovinyl ether Etc.
- Examples of amide group-containing monomers include (meth) acrylamide, N, N-dimethyl (meth) acrylamide, N-butyl (meth) acrylamide, N-methylol (meth) acrylamide, N-methylolpropane (meth) acrylamide, N- Examples include methoxymethyl (meth) acrylamide and N-butoxymethyl (meth) acrylamide.
- Examples of the amino group-containing monomer include aminoethyl (meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, t-butylaminoethyl (meth) acrylate, and the like.
- Examples of the epoxy group (glycidyl group) -containing monomer include glycidyl (meth) acrylate, methyl glycidyl (meth) acrylate, and allyl glycidyl ether.
- Examples of the alkoxy group-containing monomer include methoxyethyl (meth) acrylate and ethoxyethyl (meth) acrylate.
- Examples of the alkoxysilyl group-containing monomer include 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropyltriethoxysilane, 3- (meth) acryloxypropylmethyldimethoxysilane, and 3- (meth). Examples include acryloxypropylmethyldiethoxysilane.
- the functional group-containing monomer preferably a carboxyl group-containing monomer
- the functional group-containing monomer is 1 to 10% by mass in the monomer raw material for polymerizing the acrylic polymer. (For example, 2 to 8% by mass, typically 3 to 7% by mass) is preferably blended.
- a monomer other than the functional group-containing monomer may be included for the purpose of increasing the cohesive force of the acrylic polymer.
- examples of such monomers include vinyl ester monomers such as vinyl acetate and vinyl propionate; aromatic vinyl compounds such as styrene, substituted styrene ( ⁇ -methylstyrene and the like), vinyl toluene, and the like.
- acrylic esters such as 2-ethylhexyl acrylate, n-butyl acrylate, isononyl acrylate, and the like are used as the main monomer component as an acrylic polymer, and acrylic acid, hydroxyethyl acrylate are used as the main monomer component.
- An acrylic polymer (copolymer) obtained by copolymerization is preferred.
- an acrylic polymer having 2-ethylhexyl acrylate as a main monomer component is preferable.
- a method for polymerizing the monomer or a mixture thereof is not particularly limited, and a conventionally known general polymerization method can be employed. Examples of such a polymerization method include solution polymerization, emulsion polymerization, bulk polymerization, and suspension polymerization. Of these, solution polymerization is preferred.
- the mode of polymerization is not particularly limited, and a conventionally known monomer supply method, polymerization conditions (temperature, time, pressure, etc.), and use components other than the monomer (polymerization initiator, surfactant, etc.) can be appropriately selected and carried out. it can.
- the entire monomer mixture may be supplied to the reaction vessel at a time (collective supply), or may be gradually dropped and supplied (continuous supply), or divided into several times for a predetermined time. Each quantity may be supplied (divided supply) every time.
- the monomer or a mixture thereof may be partially or entirely supplied as a solution dissolved in a solvent or a dispersion emulsified in water.
- the polymerization initiator is not particularly limited, and examples thereof include azo initiators such as 2,2′-azobisisobutyronitrile, peroxide initiators such as benzoyl peroxide, and phenyl-substituted ethane.
- Examples thereof include substituted ethane initiators such as redox initiators in which peroxides such as combinations of peroxides and sodium ascorbate and reducing agents are combined.
- the amount of the polymerization initiator used can be appropriately selected according to the type of polymerization initiator and the type of monomer (composition of the monomer mixture), but is usually 0.005 parts by mass with respect to 100 parts by mass of all monomer components. It is appropriate to select from a range of about 1 part by mass.
- the polymerization temperature can be, for example, about 20 ° C. to 100 ° C. (typically 40 ° C. to 80 ° C.).
- emulsifiers surfactants
- anionic emulsifiers and nonionic emulsifiers and various conventionally known chain transfer agents can be used as necessary.
- the crosslinking agent is not particularly limited, but in order to realize the above-mentioned preferable numerical range of adhesive strength, 0.01 to 10 parts by mass (eg 0.05 to 5 parts by mass) with respect to 100 parts by mass of the total monomer components. (Typically 0.1 to 5 parts by mass).
- the crosslinking agent may be used alone or in combination of two or more.
- the solvents used include aliphatic hydrocarbons such as hexane, heptane, and mineral spirits, alicyclic hydrocarbons such as cyclohexane, toluene, and xylene.
- Aromatic hydrocarbons such as solvent naphtha, tetralin and dipentene, alcohols such as butyl alcohol, isobutyl alcohol, cyclohexyl alcohol, 2-methylcyclohexyl alcohol and tridecyl alcohol, esters such as methyl acetate, ethyl acetate, isopropyl acetate and butyl acetate
- ketones such as acetone and methyl ethyl ketone are preferable examples.
- the molecular weight (MW: weight average molecular weight) of the base polymer used (synthesized) is not particularly limited, but a polymer (for example, an acrylic polymer) having a weight average molecular weight (MW) of about 300,000 to 1,000,000 is suitable. Can be used for
- the pressure-sensitive adhesive suitable for the practice of the present invention includes various subcomponents in addition to the base polymer component such as acrylic polymer and natural rubber polymer.
- various tackifying resins tackifiers
- General rosin, terpene, hydrocarbon for example, C5 petroleum resin, C9 petroleum resin, dicyclopentadiene petroleum resin
- epoxy for example, polyamide, elastomer, phenol, ketone, etc.
- a terpene phenol resin can be suitably used as a tackifier.
- the amount of the tackifier is not particularly limited, but in order to realize the above-mentioned preferable range of adhesive strength, for example, 1 to 40 parts by weight, typically about 2 to 20 parts by weight with respect to 100 parts by weight of the base polymer. (Preferably 5 to 10 parts by mass).
- various softening components such as a plasticizer and a process oil, may be contained as other subcomponents.
- a plasticizer for example, phthalic acid esters such as dioctyl phthalate, diisononyl phthalate, diisodecyl phthalate, dibutyl phthalate, adipic acid esters such as dioctyl adipate and diisononyl adipate, or trimellitic acid esters such as trioctyl trimellitic acid , Sebacic acid ester and the like are preferable examples of the plasticizer. In particular, adipic acid ester is preferable.
- the blending amount of the softening component (typically a plasticizer) with respect to 100 parts by mass of the base polymer is suitably about 5 to 50 parts by mass, for example, about 10 to 40 parts by mass (for example, 20 About 30 parts by mass). Further, as the blending amount of the softening component (typically a plasticizer) increases, the dirt removal performance (dirt capturing ability) of the pressure-sensitive adhesive tends to be easily recovered. From such a viewpoint, the amount of the softening component (typically plasticizer) is preferably 20 parts by mass or more (typically 20 to 70 parts by mass), preferably 30 parts by mass with respect to 100 parts by mass of the base polymer. The above (typically 30 to 50 parts by mass) is more preferable.
- the pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer further contains various additive components such as an anti-aging agent, an antioxidant, an ultraviolet absorber, a light stabilizer, an antistatic agent, and a colorant (pigment, dye, etc.). can do.
- additive components such as an anti-aging agent, an antioxidant, an ultraviolet absorber, a light stabilizer, an antistatic agent, and a colorant (pigment, dye, etc.).
- the types and blending amounts of these non-essential additives can be the same as the usual types and blending amounts of this type of pressure-sensitive adhesive.
- the adhesive having the above-described configuration uses a plate surface adhesive cleaner to reduce the dirt removal performance (dirt capturing ability) made of organic matter such as human hand dirt and sebum
- the adhesive has a predetermined time (for example, several minutes). (Preferably several hours), the soil removal performance (soil capturing ability) may be restored.
- a recovery action will be described with reference to FIG.
- the pressure-sensitive adhesive body 30 captures the dirt 50 made of organic matter existing on the plate surface 2 by bringing the pressure-sensitive adhesive layer 32 into contact with the plate surface 2 of a portable device or the like.
- the pressure-sensitive adhesive layer 32 has a property of not only capturing the dirt 50 made of organic matter but also transferring it into the layer.
- the dirt 50 made of an organic substance attached to the surface of the pressure-sensitive adhesive layer 32 moves into the pressure-sensitive adhesive layer 32 with time, and the dirt 50 made of an organic substance existing on the surface of the pressure-sensitive adhesive layer 32 is reduced.
- the above-mentioned “recovery action” means that when the adhesive traps dirt and the dirt catching ability is once lowered, the dirt catching ability is increased after a predetermined time (for example, several minutes, preferably several hours). It refers to the action that is restored and enables the adhesive to capture the dirt again, and includes that the time required for recovery of the dirt catching ability is short.
- the pressure-sensitive adhesive body 30 of the cleaner 10 according to the above embodiment can be produced by appropriately adopting a conventionally known method.
- the pressure-sensitive adhesive body 30 of the cleaner 10 according to the first embodiment can be produced in the same manner as a conventional roll-shaped cleaner. That is, the pressure-sensitive adhesive layer 32 is formed by coating the pressure-sensitive adhesive on the surface 36A of the long sheet-like substrate 36 by various conventional coating techniques and then performing a drying process or the like.
- the roll-shaped adhesive body (namely, adhesive sheet roll) 30 is formed by winding the adhesive body 30 around the support body 20 so that the adhesive layer 32 may become an outer peripheral surface.
- the cleaner 10 which concerns on 1st Embodiment is constructed
- the attachment structure of the pressure-sensitive adhesive sheet roll 30 to the distal end rotating shaft portion 44 of the gripping member 40 may be the same as that of a conventional roll-shaped cleaner and does not characterize the present invention at all.
- MW average molecular weight
- the acrylic pressure-sensitive adhesive obtained above is applied to the surface of a PET sheet-like substrate (width: about 8 cm) having a thickness of 38 ⁇ m, and dried by passing it through an oven at 80 to 120 ° C.
- the pressure-sensitive adhesive body thus obtained is wound on the surface of a total of four types of cardboard cylindrical supports having a diameter (outer diameter) of 4 mm, 20 mm, 35 mm and 50 mm, respectively, so as to be wound at least five times.
- a pressure sensitive adhesive was wound around to form a total of four types of pressure sensitive adhesive sheet rolls having different support diameters. And each adhesive sheet roll was mounted
- Example 2 In place of the acrylic pressure-sensitive adhesive used in Example 1 above, the same type of solvent-based acrylic pressure-sensitive adhesive (adhesive whose main monomer component is 2-EHA: Nitoms Corporation) was used. A total of four types of support bodies (4 mm, 20 mm, 35 mm, 50 mm) having different diameters (4 mm, 20 mm, 35 mm, 50 mm) using the pressure-sensitive adhesive bodies (38 ⁇ m-thick PET substrate + approx. 80 ⁇ m-thick adhesive layer) formed through the above process The pressure-sensitive adhesive sheet roll was formed. And the cleaner which concerns on this Example 2 was constructed
- Example 3 Instead of the acrylic pressure-sensitive adhesive used in Example 1 above, a commercially available solvent-type natural rubber pressure-sensitive adhesive (a rubber-based pressure-sensitive adhesive containing natural rubber having a weight average molecular weight of 100,000 to 1,000,000 as a main rubber component) : Nitoms Co., Ltd.) was used except that an adhesive (38 ⁇ m thick PET substrate + 80 ⁇ m thick adhesive layer) formed through the same process was used, and the diameter of the support ( A total of four types of adhesive sheet rolls having different 4 mm, 20 mm, 35 mm, and 50 mm) were formed. And the cleaner which concerns on this Example 3 was constructed
- Example 4 Instead of the acrylic pressure-sensitive adhesive used in Example 1 above, a commercially available urethane-based pressure-sensitive adhesive (removable / re-tacky pressure-sensitive adhesive for double-sided tape obtained by polymerizing polyol and polyvalent isocyanate: Nitoms Corporation) ) was used through the same process (PET substrate with a thickness of 38 ⁇ m + adhesive layer with a thickness of about 80 ⁇ m), and the diameter of the support (4 mm, 20 mm, 35 mm) , 50 mm) in total, four types of pressure-sensitive adhesive sheet rolls were formed. And the cleaner which concerns on this Example 4 was constructed
- Example 5 Instead of the acrylic adhesive used in Example 1 above, a commercially available synthetic rubber adhesive (adhesive for artificial turf fixing double-sided tape with butyl rubber as the main polymer (elastomer): Nitoms Corporation) was used. Except that a pressure-sensitive adhesive body (38 ⁇ m thick PET substrate + approx. 80 ⁇ m thick adhesive layer) formed through the same process is used, and the support diameter (4 mm, 20 mm, 35 mm, 50 mm) is A total of four different pressure-sensitive adhesive sheet rolls were formed. And the cleaner which concerns on this Example 5 was constructed
- Example 6> instead of the acrylic pressure-sensitive adhesive used in Example 1, a commercially available hot-melt pressure-sensitive adhesive (ethylene-vinyl acetate copolymer (EVA) as a main polymer (vinyl acetate content 25%)) : Nitoms Co., Ltd.) was used except that an adhesive (38 ⁇ m thick PET substrate + 80 ⁇ m thick adhesive layer) formed through the same process was used, and the diameter of the support ( A total of four types of adhesive sheet rolls having different 4 mm, 20 mm, 35 mm, and 50 mm) were formed. And the cleaner which concerns on this Example 6 was constructed
- Example 7 A conventional roll shape cleaner for flooring (trade name “Korokoro (registered trademark)” manufactured by Nitoms Co., Ltd.) was used as Example 7.
- Adhesive strength evaluation test SUS304 was used as a specimen (adhered body), and the adhesion of the SUS to the surface was evaluated based on a 180 ° peel test specified in JIS Z0237. Specifically, an adhesive (prepared to a width of 25 mm) provided in the cleaners according to Examples 1 to 7 above is attached to a plate made of SUS304, and the tensile speed is 300 mm in a measurement environment of 23 ° C. and RH 50%. 180 ° peeling adhesive strength (N / 25 mm) was measured under the conditions of / min. The results are shown in Table 1.
- the amount of transfer of sebum and sweat is such that the glossiness (measurement value) is about 60 when a handy gloss meter “Gross Checker (trademark) IG-331” is used at a measurement angle of 60 °, manufactured by HORIBA, Ltd. It was.
- the cleaner according to Examples 1 to 7 was used, and the pressure-sensitive adhesive body (adhesive sheet roll) of the cleaner was rotated once on the surface of the plate with the sebum stain (the glossiness: about 60).
- the rolling speed was about 0.5 m / sec.
- the pressing force of the operator when rolling was about 300 g.
- the glossiness of the plate surface after one rotation was measured with the above handy gloss meter, and the measured glossiness was used as an index of the sebum dirt removal performance.
- the results are shown in Table 2.
- the cleaner in Example 1 and Example 2 in which the adhesive is an acrylic adhesive the cleaner in Example 3 in which the adhesive is a natural rubber adhesive, and the cleaner in Example 4 in which the adhesive is a urethane adhesive.
- the cleaner was found to have a high sebum dirt removing performance with a glossiness of 90 or more.
- the cleaner of Example 1 had a high cleaning performance with an average gloss value of 95.
- the adhesive strength in the 180 ° peel test was about 1 to 7 N / 25 mm (more specifically 1.3 to 6.5 N / 25 mm).
- the cleaners of Examples 1 to 4 are extremely easy-to-use roll shape cleaners that allow the user to move (roll) the smooth plate surface while having an appropriate rolling resistance (rotational resistance).
- the rolling resistance is as shown in FIG. 3 under atmospheric pressure conditions (for example, in air at a temperature of 23 ° C. and a relative humidity of 50%).
- the tester holds the handle 42, and makes the angle between the plate surface 2 and the gripping member 40 (the handle 42) constant (for example, 55 °), and the plate surface 2 at a predetermined speed (for example, 725 mm / second).
- the force (rotational resistance value) applied to the handle 42 at this time is measured with a digital force gauge, and is calculated by converting it to a value (N / 150 mm) per predetermined width (for example, 150 mm) of the adhesive layer 32. be able to.
- the cleaners of Examples 5 to 7 had a glossiness of less than 90 (average value of 66 to 86), and it was confirmed that they did not have sufficient sebum stain removal performance.
- the cleaners of Examples 5 to 7 have an adhesive strength of about 10 to 60 N / 25 mm in the 180 ° peel test, and the user has a considerable resistance to move (roll) the smooth plate surface. Has been found to be unsuitable for this type of application.
- MW average molecular weight
- a plasticizer diisononyl adipate: “Monosizer (registered trademark) W-242”, a product of DIC Corporation
- a crosslinking agent epoxy crosslinking agent: “TETRAD (registered trademark) C”, manufactured by Mitsubishi Gas Chemical Co., Ltd.
- the obtained acrylic pressure-sensitive adhesive is applied to the surface of a sheet-like base material (width: about 8 cm) made of PET having a thickness of 38 ⁇ m, and dried in an oven at 110 ° C. for 3 minutes to obtain a thickness.
- An adhesive layer having a (glue thickness) of about 50 ⁇ m was formed.
- the pressure-sensitive adhesive bodies thus obtained were wound on the surface of a cylindrical support made of cardboard having a diameter (outer diameter) of 20 mm so as to be wound at least 5 times or more.
- the adhesive sheet roll which concerns on was formed. Then, each adhesive sheet roll was mounted on the tip rotation shaft portion 44 of the gripping member 40 as shown in FIG. 1 so as to be able to roll (rotate), and the cleaners according to Examples 8 to 13 were constructed.
- the cleaner according to Examples 8 to 13 was used, and the adhesive body (adhesive sheet roll) of the cleaner was rotated once on the plate surface (glossiness: about 60) with sebum dirt.
- the rolling speed was about 0.5 m / sec.
- the pressing force of the operator when rolling was about 700 g.
- the evaluation test was performed by two testers, and the average value was recorded.
- the above sebum component was replaced with glycerol monooleate (trade name “Leodol (registered trademark) MO-60” manufactured by Kao Corporation) twice, and the average value was recorded.
- the glycerol monooleate was used as a substitute for sebum.
- the evaluation results are shown in Table 3.
- the relationship between the number of cleanings and the soil removal rate was examined. Specifically, as in the above-described sebum dirt removal performance evaluation test, the sebum component and sweat were rubbed and transferred to a part of the smooth plate surface of the tablet PC. The transfer amount of sebum and sweat was such that the glossiness (measured value) was about 60 using the above handy gloss meter at a measurement angle of 60 °.
- the adhesive body (adhesive sheet roll) of the cleaner was rotated once on the plate surface (specifically, the left half of the plate surface) with sebum dirt (first time). cleaning).
- the rolling speed was about 0.5 m / sec.
- the pressing force of the operator when rolling was about 700 g.
- the glossiness of the plate surface after rolling was measured with the above handy gloss meter. This measured value was defined as the glossiness after the second cleaning.
- the stain removal rate (%) after the second cleaning was obtained in the same manner as after the first cleaning.
- the same test as described above was conducted by replacing the sebum component with glycerol monooleate (trade name “Reodol (registered trademark) MO-60” manufactured by Kao Corporation). The results are shown in Table 4.
- FIGS. 7 to 9 show the cleaning state of the plate surface of the tablet PC at each time. 7 to 9, the left half of the plate surface is in a cleaning state by the cleaner according to Example 11.
- a tablet-type personal computer having a plate surface with a glossiness (measured value) of about 60 by applying sebum stain was prepared.
- a cleaning cloth for TV manufactured by Hitachi Maxell Co., Ltd., large screen TV cleaning cloth: dry type
- the plate surface with sebum stain specifically, the right half of the plate surface
- wiping was performed once in the same direction as the rolling direction by the cleaner according to Example 11 (first cleaning).
- the wiping speed was about 0.5 m / sec.
- the pressing force of the operator during wiping was about 700 g.
- the glossiness of the plate surface after wiping was measured with the handy gloss meter.
- This measured value was defined as the glossiness after the first cleaning.
- the stain removal rate (%) of the tablet PC by the cleaning cloth was determined from the above formula. After measuring the glossiness after the first cleaning, the cleaning cloth was again wiped on the plate surface (the same area as the first cleaning) in the same direction as the first cleaning (second cleaning). The wiping speed and the pressing force were the same as the first time. The glossiness of the plate surface after wiping was measured with the handy gloss meter. This measured value was defined as the glossiness after the second cleaning. By substituting this measured value into C in the above equation, the stain removal rate (%) after the second cleaning was determined in the same manner as after the first cleaning.
- FIGS. 7 to 9 show the cleaning state of the plate surface of the tablet PC at each time. 7 to 9, the right half of the plate surface is in a cleaning state using a cleaning cloth.
- the glossiness tended to improve as the blending amount of the plasticizer in the acrylic pressure-sensitive adhesive increased.
- the pressure-sensitive adhesive sheet rolls according to Examples 9 to 13 using a pressure-sensitive adhesive containing a plasticizer are more resistant to rolling (rotation) than the pressure-sensitive adhesive sheet roll of Example 8 that does not contain a plasticizer. Resistance) was small and the operability was excellent.
- the anchoring property tended to improve as the plasticizer content decreased.
- Table 5 showed, the tendency for adhesive force to fall was confirmed as the compounding quantity of the plasticizer increased.
- the cleaner constructed using the pressure-sensitive adhesive sheet roll according to Example 11 was able to completely remove the dirt on the plate surface of the tablet-type personal computer by rolling three times.
- wiping was required 5 to 7 times to completely remove the dirt.
- FIGS. 7 to 9 it can be seen from FIGS. 7 to 9 that the cleaning cloth results in wiping as if dirt is stretched. From these results, it can be seen that the adhesive cleaner according to the present invention is excellent in practicality.
- the visual observation of the transfer level was performed according to the above-mentioned criteria. About the capture amount (mg), the capture amount in terms of unit area (mg / cm 2 ) was also determined by dividing the surface area of the adhesive body of the adhesive sheet roll. The results are shown in Table 7. The result of visual observation of the transfer level is shown in FIG.
- the maximum amount of glycerol monooleate captured by the cleaner according to Example 11 was 20 mg.
- the same effect can be expected for human sebum.
- the cleaner can recover the dirt trapping ability without particularly removing the trapped matter. Therefore, after removing the sebum and sweat on the tablet-type personal computer, it can be used repeatedly any number of times after a while.
- the amount of dirt captured could be increased by blending a plasticizer in the adhesive.
- FIG. 11 shows, the tendency for the time required for recovery
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
ところで、このようなポータブル機器は、使用者がそのライフスタイルやビジネススタイルにあわせて日常的に携帯して使用されるものであるため、埃や汚れ、特に手垢、化粧品、皮脂といったような有機物からなる汚れが付着しやすい。特に、最近のポータブル機器では上記表示部が入力部としても機能するようにタッチパネル方式で構築されているものがある。かかるタッチパネル方式の表示部/入力部では、使用者がプレート表面(表示面)を指で直接触れるために手垢、皮脂等の有機物がより付着しやすい。したがって、この種の機器の表示部/入力部を構成するプレート表面(表示面)では、塵や埃のみならず、特に手垢や皮脂のような有機物からなる汚れを迅速にかつ簡易に除去できるクリーニング手段(クリーナー)が望まれる。
あるいはまた、適当な洗浄剤を適当な資材(例えばスポンジやガーゼ)に含ませてプレート表面(表示面)を拭くことによって有機物からなる汚れや塵・埃を除去する手段もある(例えば特許文献1参照)。しかし、洗浄剤の取扱いに注意を要するうえに、拭いた直後はプレート表面が濡れているためにタッチパネル操作が困難となる虞もある。また、洗浄剤がプレート表面に残存することによって当該プレート表面が影響を受けることも考えられる。このため、洗浄剤を用いる以外の簡易で確実な汚れ取り(クリーニング)手段が望まれる。
ここで開示されるプレート表面用粘着クリーナー(汚れ取り具)は、再剥離性の粘着剤を有する粘着体によってプレート表面の有機物からなる汚れ(例えば人の手垢や皮脂汚れ、あるいは化粧品)を除去することを特徴とする。かかる構成のクリーナーによると、上記粘着体をプレート表面に接触させることによって該プレート表面に付着した埃や有機物からなる汚れ(例えば人の手垢や皮脂汚れ)が粘着体に捕捉され、プレート表面から除去される。このため、上記洗浄剤を使用する場合のように煩雑な操作(例えば洗浄液を含む組成液の調製)を行うことなく、容易にプレート表面の汚れ、特に人の皮脂汚れを除去することができる。
したがって、ここで開示されるプレート表面用粘着クリーナーは、平滑なプレート表面としてガラス製または合成樹脂製の表示面(タッチパネル方式等では入力面ともいえる。)を備えるポータブル機器の該表示面に付着している有機物からなる汚れを取り除くために使用される。また、ここで開示されるプレート表面用粘着クリーナーは、有機物からなる汚れとして特にヒトの皮脂汚れを取り除くために好適に使用される。
なお、「有機物からなる汚れ」には、上述のように皮膚から分泌される皮脂が含まれることから明らかなように、ナトリウムやカリウム、それらの塩等の無機物も含まれていてよい。
かかる構成のクリーナーによると、支持体を転動させることによって、効率よく所定面積の平滑なプレート表面の汚れ(特に人の手垢や皮脂といった有機物からなる汚れ)を除去することができる。
好ましくは、上記支持体は円筒状に形成されており、該円筒状支持体の外周面には上記粘着体が備えられており、ここで該円筒状支持体の外径は少なくとも4mm以上に設計されていることを特徴とする。
このような円筒状支持体を備える所謂ロール形状クリーナーによると、当該支持体をプレート表面上で所定の方向に転動(回転移動またはローリング)させることによって、さらに効率よく所定面積の平滑なプレート表面の汚れを除去することができる。なお、粘着式のクリーナーは従来より用いられているが(例えば上記特許文献2参照)、かかる従来のロール形状クリーナーは、床やカーペットの清掃に用いられるものであり、上述したようなポータブル機器(例えばPDAやタブレット型パソコン)のタッチパネル面(表示部/入力部)のような平滑なプレート表面をクリーニングするものではない。
かかる構成のプレート表面用粘着クリーナーでは、巻回された粘着シートロールの外周面を用いてプレート表面の汚れ取りを行うとともに、使用頻度や当該外周面を構成する粘着体に付着した埃や汚れの程度に応じて当該シートロールから汚れ取りに使用した外周部分を除去し(剥がし)、当該外周面を未使用の粘着剤が露出する面に容易に更新することができる。このため、常に所望の汚れ取り性能を維持することができる。
好ましくは、本発明によって提供される粘着シートロールは、レール引き現象を抑止するように構成されている。ここでレール引き現象とは、クリーニング対象面(本発明については平滑なプレート表面)上で粘着シートロールを巻回する方向とは逆方向(すなわち巻回された粘着シートが剥がされていく方向)に転動(回転)させたときに、粘着シートがロール外周面の端部を起点としてクリーニング対象面に帯状に付着していく現象をいう。
レール引き現象の発生が抑止されることによって、平滑なプレート表面上をストレスなくスムーズに粘着シートロールを転動させることができるので、効率よく迅速に当該プレート表面上の皮脂その他の有機物からなる汚れを取り除くことができる。また、レール引き現象の発生による粘着シートの無駄使い(すなわち平滑なプレート表面への意図しない粘着体の付着による粘着シートの浪費)を防止することができる。
これらの種類の粘着剤を採用することによって、有機物の汚れ(特に皮脂汚れ)を効率よく除去することができる。
このような粘着力を有することにより、クリーナー自体がプレート表面にくっつきすぎることを抑止しつつ平滑なプレート表面から有機物からなる汚れを効率よく取り除くことができる。このため、ポータブル機器(例えばタブレット型パソコンやPDA)のプレート表面(典型的にはガラス製または合成樹脂製の平滑な表示面)の汚れ取りに好適に使用することができる。
本発明のプレート表面用粘着クリーナーの使用対象は、平滑なプレート表面(典型的にはガラス製または合成樹脂製のプレートの表面)であれば特に制限はない。例えば、液晶ディスプレイや有機ELディスプレイ等の表示装置の表示面が好適例として挙げられる。あるいは、ショーウインドウガラス、ガラステーブル、ショーケース等の表面も、ここでいう「平滑なプレート表面」に包含される例である。
本発明のプレート表面用粘着クリーナーの好ましい使用対象として、種々のポータブル機器の表面(特に表示面/入力面)が挙げられる。ここでポータブル機器は、外面の少なくとも一部に平滑なプレート表面(すなわち本発明のプレート表面用粘着クリーナーを適用可能な表面)を有する携帯可能な機器をいい、特定の機器に限定されない。例えば、種々のサイズのノート型パソコン、タブレット型パソコン、電子手帳等のPDA(携帯情報端末)、スマートフォンその他の携帯電話機、携帯ゲーム機、等がポータブル機器に包含される。
本実施形態に係るクリーナー10は、円筒状に形成された支持体(巻芯)20と、該支持体20の外周面に巻回されたロール形状の粘着体(粘着シートロール)30と、該支持体20および粘着体30が転動可能に取り付けられている棒状の把持部材40とを備える。把持部材40の取っ手42側とは反対側の回転可能な先端回転軸部44は、円筒状支持体20の中心孔20Aを貫通するようにして取り付けられている。
なお、本実施形態に係るクリーナー10は、ポータブル機器1その他の平滑なプレート表面2に付着する有機物からなる汚れを除去(クリーニング)する目的に使用されるものであるが、使用者が実際に本実施形態に係るクリーナー10を使用する態様(すなわち上述のように作業者が把持部材40を把持して操作すること)は、カーペットや床の塵や埃を除去する目的に使用されている従来のロール形状クリーナーを使用する態様と同様であり、使用者は容易に本実施形態に係るクリーナー10を使用することができる。
この形態によると、予めロール巻き取り方向に所定間隔で完全に切断された状態の粘着体外周面(作業面)を剥ぎ取ることにより、容易に当該作業面を更新することができる。
円筒状の支持体20のサイズは、使用対象品(例えばポータブル機器)が備える平滑なプレート表面の形状や大きさ(例えばA4サイズ、A5サイズ、A6サイズ、B4サイズ、B5サイズ、またはB6サイズの表示部)に応じて異なり得るものであり特に制限はないが、支持体の直径(外径をいう。以下同じ。)は少なくとも4mm以上が適当であり、10mm以上(例えば20mm以上)が好ましい。プレート表面用粘着クリーナーを小型(例えばペンサイズ)とする場合、支持体の直径は4mm未満であってもよく、例えば1~3mm程度とすることができる。そして、当該支持体20と該支持体20の外周面に配置された粘着体(粘着シートロール)を合わせたロールの直径は50mm以下が適当であり、35mm以下が好ましい(但しロール直径として50mmより大きい径のものを除外するものではない。)。このような数値範囲にある直径の円筒状支持体20および粘着体(粘着シートロール)30を採用することにより、図1に例示するようなポータブル機器1が備える携帯サイズ(例えばA4~A6もしくはB5~B6サイズ)のガラス製または合成樹脂製の平滑なプレート表面(典型的には表示面/入力面)を効率よく迅速にクリーニング(汚れ取り)することができる。
なお、支持体(巻芯)20を使わずに粘着体30のみをロール状に巻回してなる所謂コアレスタイプの粘着シートロールであってもよい。その場合は、粘着体30からなるロールの中心に上記把持部材40の先端回転軸部44を配置するとよい。
基材36は、典型的には、種々の合成樹脂、不織布、あるいは紙で構成される。また、布、ゴムシート、発泡体シート、金属箔、これらの複合体、等であってもよい。
合成樹脂の例としては、ポリオレフィン(ポリエチレン、ポリプロピレン、エチレン-プロピレン共重合体等)、ポリエステル(ポリエチレンテレフタレート等)、塩化ビニル樹脂、酢酸ビニル樹脂、ポリイミド樹脂、ポリアミド樹脂、フッ素樹脂、等が挙げられる。特にポリエチレンテレフタレート(PET)製の基材を好適に使用することができる。
また、紙としては、和紙、クラフト紙、グラシン紙、上質紙、合成紙、トップコート紙、等が例示される。布の例としては、各種繊維状物質の単独または混紡等による織布や不織布等が挙げられる。上記繊維状物質としては、綿、スフ、マニラ麻、パルプ、レーヨン、アセテート繊維、ポリエステル繊維、ポリビニルアルコール繊維、ポリアミド繊維、ポリオレフィン繊維、等が例示される。ゴムシートの例としては、天然ゴムシート、ブチルゴムシート、等が挙げられる。発泡体シートの例としては、発泡ポリウレタンシート、発泡ポリクロロプレンゴムシート、等が挙げられる。金属箔の例としては、アルミニウム箔、銅箔、等が挙げられる。基材36には、必要に応じて、充填剤(無機充填剤、有機充填剤等)、老化防止剤、酸化防止剤、紫外線吸収剤、光安定剤、帯電防止剤、滑剤、可塑剤、着色剤(顔料、染料等)等の各種添加剤が配合されてもよい。
また、基材36の背面36Bには、シリコーン系剥離剤の塗付等、粘着シートロール30の巻戻し力を適切な範囲に調節するための表面処理(典型的には、巻戻し力が高くなりすぎることを防止する剥離処理)が施されていてもよい。
基材36の厚さは、目的に応じて適宜選択することができ、特に限定されない。一般的には、基材36の厚さを凡そ20μm~200μm(典型的には凡そ30μm~100μm)程度とすることが適当である。
なお、巻戻し力は次のようにして評価することができる。すなわち、粘着シートロール30を所定の引張試験機にセットし、大気圧条件(例えば温度23℃、相対湿度50%の空気中)において、巻回された粘着シートの外周側先端を試験機のチャックに装着して所定の速度(例えば300mm/分)で引っ張ることによって粘着シートロール30を接線方向に巻き戻し、このときの巻戻し力を、粘着剤層32の所定幅(例えば150mm)あたりの値(N/150mm)に換算することにより求めることができる。例えば巻戻し力が0.5~2.5N/150mm程度のものが好ましい。
なお、粘着剤層32は、基材36の一方の表面の全範囲に亘って形成されていてもよく、あるいは、図2に示されるように、基材20の幅方向の両端に沿って、粘着剤層32が形成されていない非粘着部(ドライエッジ)37,38を有してもよい。粘着剤層32は、典型的には、基材36の全範囲、あるいは図2に示されるように非粘着部37,38を残した範囲にむらなく連続して形成(ベタ塗り)される。
例えば、好適な粘着剤としては、種々の溶剤系粘着剤、水系(エマルジョン系)粘着剤等が挙げられる。人の皮脂汚れを除去する目的には、特に溶剤系粘着剤が好ましい。
ベースポリマー別には、好適な粘着剤として、アクリル系粘着剤、天然ゴム系粘着剤、ウレタン系粘着剤、シリコーン系粘着剤、等が挙げられる。特にアクリル系粘着剤、天然ゴム系粘着剤、ウレタン系粘着剤が好ましい。
CH2=CR1COOR2
で表わされる化合物を好適に用いることができる。
ここで、上記式中のR1は水素原子またはメチル基である。また、R2は炭素原子数1~20のアルキル基(以下、このような炭素原子数の範囲を「C1-20」と表すことがある。)である。粘着剤の貯蔵弾性率等の観点から、R2がC1-14(例えばC1-10)のアルキル基である(メタ)アクリル酸アルキルエステルであってもよい。なお、上記アルキル基は、直鎖状または分岐状であり得る。
酸無水物基含有モノマーとしては、例えば無水マレイン酸、無水イタコン酸等の上記エチレン性不飽和ジカルボン酸等の酸無水物等が挙げられる。
ヒドロキシル基(水酸基)含有モノマーとしては、例えば2-ヒドロキシエチル(メタ)アクリレート、2-ヒドロキシプロピル(メタ)アクリレート、3-ヒドロキシプロピル(メタ)アクリレート、2-ヒドロキシブチル(メタ)アクリレート、4-ヒドロキシブチル(メタ)アクリレート等のヒドロキシアルキル(メタ)アクリレート類、N-メチロール(メタ)アクリルアミド、ビニルアルコール、アリルアルコール、2-ヒドロキシエチルビニルエーテル、4-ヒドロキシブチルビニルエーテル、ジエチレングリコールモノビニルエーテル等の不飽和アルコール類等が挙げられる。
アミド基含有モノマーとしては、例えば(メタ)アクリルアミド、N,N-ジメチル(メタ)アクリルアミド、N-ブチル(メタ)アクリルアミド、N-メチロール(メタ)アクリルアミド、N-メチロールプロパン(メタ)アクリルアミド、N-メトキシメチル(メタ)アクリルアミド、N-ブトキシメチル(メタ)アクリルアミド等が挙げられる。
アミノ基含有モノマーとしては、例えばアミノエチル(メタ)アクリレート、N,N-ジメチルアミノエチル(メタ)アクリレート、t-ブチルアミノエチル(メタ)アクリレート等が挙げられる。
エポキシ基(グリシジル基)含有モノマーとしては、例えばグリシジル(メタ)アクリレート、メチルグリシジル(メタ)アクリレート、アリルグリシジルエーテル等が挙げられる。
アルコキシ基含有モノマーとしては、例えばメトキシエチル(メタ)アクリレート、エトキシエチル(メタ)アクリレート等が挙げられる。
アルコキシシリル基含有モノマーとしては、例えば3-(メタ)アクリロキシプロピルトリメトキシシラン、3-(メタ)アクリロキシプロピルトリエトキシシラン、3-(メタ)アクリロキシプロピルメチルジメトキシシラン、3-(メタ)アクリロキシプロピルメチルジエトキシシラン等が挙げられる。
重合開始剤としては、特に限定されるものではないが、例えば、2,2’-アゾビスイソブチロニトリル等のアゾ系開始剤、過酸化ベンゾイル等の過酸化物系開始剤、フェニル置換エタン等の置換エタン系開始剤、過酸化物とアスコルビン酸ナトリウムとの組合せ等の過酸化物と還元剤とを組み合わせたレドックス系開始剤等が例示される。
重合開始剤の使用量は、重合開始剤の種類やモノマーの種類(モノマー混合物の組成)等に応じて適宜選択できるが、通常は全モノマー成分100質量部に対して、例えば0.005質量部~1質量部程度の範囲から選択することが適当である。重合温度は、例えば20℃~100℃(典型的には40℃~80℃)程度とすることができる。
その他、アニオン系乳化剤、ノニオン系乳化剤等の乳化剤(界面活性剤)や、従来公知の各種連鎖移動剤を必要に応じて使用することができる。
また、上記アクリル系粘着剤のような溶剤系粘着剤を採用する場合、使用する溶剤としては、ヘキサン、ヘプタン、ミネラルスピリット等の脂肪族炭化水素、シクロヘキサン等の脂環式炭化水素、トルエン、キシレン、ソルベントナフサ、テトラリン、ジペンテン等の芳香族炭化水素、ブチルアルコール、イソブチルアルコール、シクロヘキシルアルコール、2-メチルシクロヘキシルアルコール、トリデシルアルコール等のアルコール、酢酸メチル、酢酸エチル、酢酸イソプロピル、酢酸ブチル等のエステル類、アセトン、メチルエチルケトン等のケトン類、等が好適例として挙げられる。
なお、使用(合成)するベースポリマーの分子量(MW:重量平均分子量)は、特に限定されないが、概ね30万~100万程度の重量平均分子量(MW)であるポリマー(例えばアクリル系ポリマー)を好適に使用することができる。
例えば、粘着力の調整のために種々の粘着付与樹脂(タッキファイヤー)が使用される。一般的なロジン系、テルペン系、炭化水素系(例えばC5系石油樹脂、C9系石油樹脂、ジシクロペンタジエン系石油樹脂)、エポキシ系、ポリアミド系、エラストマー系、フェノール系、ケトン系、等を単独または2種以上組み合わせて使用することができる。例えば、タッキファイヤーとして、テルペンフェノール樹脂を好適に用いることができる。
タッキファイヤーの配合量は特に限定されないが、上記好適な数値範囲の粘着力を実現するために、ベースポリマー100質量部に対し、例えば1~40質量部、典型的には2~20質量部程度(好ましくは5~10質量部)とすることができる。
例えば、フタル酸ジオクチル、フタル酸ジイソノニル、フタル酸ジイソデシル、フタル酸ジブチル等のフタル酸エステル、あるいは、アジピン酸ジオクチル、アジピン酸ジイソノニル等のアジピン酸エステル、あるいは、トリメリット酸トリオクチル等のトリメリット酸エステル、セバシン酸エステル、等が可塑剤の好適例として挙げられる。特に、アジピン酸エステルが好ましい。
特に限定するものではないが、ベースポリマー100質量部に対する軟化成分(典型的には可塑剤)の配合量は、例えば5~50質量部程度が適当であり、10~40質量部程度(例えば20~30質量部程度)が好ましい。また、軟化成分(典型的には可塑剤)の配合量が多くなるほど、粘着剤の汚れ除去性能(汚れ捕捉能力)が回復しやすい傾向がある。そのような観点から、軟化成分(典型的には可塑剤)の配合量は、ベースポリマー100質量部に対して20質量部以上(典型的には20~70質量部)が好ましく、30質量部以上(典型的には30~50質量部)がより好ましい。
粘着剤として、アクリル酸2-エチルヘキシル(2-EHA)とアクリル酸(AA)とを質量比で2-EHA:AA=95:5となるように3つ口フラスコに投入し(溶剤はトルエンを使用した。)、窒素気流下にて、重合開始剤として過酸化ベンゾイルを添加し、60℃に昇温させて2時間反応させ、さらに80℃に昇温して1時間反応させることにより、重量平均分子量(MW)が凡そ50万~60万のアクリル系ポリマー溶液を調製した。次いで、かかるアクリル系ポリマー溶液のポリマー固形分100質量部に対し、タッキファイヤー(テルペンフェノール樹脂:「タマノル(登録商標)803L」、荒川化学工業(株)製品)5質量部、可塑剤(アジピン酸ジイソノニル:「モノサイザー(登録商標)W-242」、DIC(株)製品)30質量部、および、架橋剤(エポキシ系架橋剤:「TETRAD(登録商標)C」、三菱瓦斯化学(株)製品)0.2質量部を混合し、アクリル系粘着剤を調製した。
こうして得られた粘着体を、直径(外径)が4mm、20mm、35mmおよび50mmである計4種類のボール紙製の円筒状支持体の表面に、それぞれ、少なくとも5周以上巻回されるように粘着体を巻回し、支持体の直径が異なる計4種類の粘着シートロールを形成した。そして、各粘着シートロールを上述した図1に示すような把持部材40の先端回転軸部44に転動(回転)可能に装着し、本例1に係るクリーナーを構築した。
上記例1で使用したアクリル系粘着剤に代えて、市販される同種の溶剤型アクリル系粘着剤(メインモノマー成分が2-EHAである粘着剤:株式会社ニトムズ製品)を使用した以外は、同様のプロセスを経て形成された粘着体(厚さ38μmのPET製基材+厚さ約80μmの粘着剤層)を使用し、支持体の直径(4mm、20mm、35mm、50mm)が異なる計4種類の粘着シートロールを形成した。そして、各粘着シートロールを例1と同様に把持部材40の先端回転軸部44に転動(回転)可能に装着することにより、本例2に係るクリーナーを構築した。
上記例1で使用したアクリル系粘着剤に代えて、市販される溶剤型の天然ゴム系粘着剤(重量平均分子量が10万~100万の天然ゴムを主ゴム成分として含むゴム系感圧接着剤:株式会社ニトムズ製品)を使用した以外は、同様のプロセスを経て形成された粘着体(厚さ38μmのPET製基材+厚さ約80μmの粘着剤層)を使用し、支持体の直径(4mm、20mm、35mm、50mm)が異なる計4種類の粘着シートロールを形成した。そして、各粘着シートロールを例1と同様に把持部材40の先端回転軸部44に転動(回転)可能に装着することにより、本例3に係るクリーナーを構築した。
上記例1で使用したアクリル系粘着剤に代えて、市販されるウレタン系粘着剤(ポリオールと多価イソシアネートを重合して得られる再剥離・再粘着性の両面テープ用粘着剤:株式会社ニトムズ製品)を使用した以外は、同様のプロセスを経て形成された粘着体(厚さ38μmのPET製基材+厚さ約80μmの粘着剤層)を使用し、支持体の直径(4mm、20mm、35mm、50mm)が異なる計4種類の粘着シートロールを形成した。そして、各粘着シートロールを例1と同様に把持部材40の先端回転軸部44に転動(回転)可能に装着することにより、本例4に係るクリーナーを構築した。
上記例1で使用したアクリル系粘着剤に代えて、市販される合成ゴム系粘着剤(ブチルゴムをメインポリマー(エラストマー)とする人工芝固定用両面テープの粘着剤:株式会社ニトムズ製品)を使用した以外は、同様のプロセスを経て形成された粘着体(厚さ38μmのPET製基材+厚さ約80μmの粘着剤層)を使用し、支持体の直径(4mm、20mm、35mm、50mm)が異なる計4種類の粘着シートロールを形成した。そして、各粘着シートロールを例1と同様に把持部材40の先端回転軸部44に転動(回転)可能に装着することにより、本例5に係るクリーナーを構築した。
上記例1で使用したアクリル系粘着剤に代えて、市販されるホットメルト型粘着剤(エチレン-酢酸ビニル共重合体(EVA)をメインポリマー(酢酸ビニル含有量25%)とする感熱性接着剤:株式会社ニトムズ製品)を使用した以外は、同様のプロセスを経て形成された粘着体(厚さ38μmのPET製基材+厚さ約80μmの粘着剤層)を使用し、支持体の直径(4mm、20mm、35mm、50mm)が異なる計4種類の粘着シートロールを形成した。そして、各粘着シートロールを例1と同様に把持部材40の先端回転軸部44に転動(回転)可能に装着することにより、本例6に係るクリーナーを構築した。
従来品であるフローリング用ロール形状クリーナー(商品名「コロコロ(登録商標)」:株式会社ニトムズ製品)を例7として使用した。
供試体(被着体)としてSUS304を使用し、当該SUSの表面に対する粘着力をJIS Z0237に規定する180°剥離試験に基づいて評価した。
具体的には、上記例1~例7に係るクリーナーに備えられる粘着体(幅25mmに裁断したもの)をSUS304製の板材に貼り付け、23℃、RH50%の測定環境にて、引張速度300mm/分の条件で180°引き剥がし粘着力(N/25mm)を測定した。結果を表1に示す。
供試体としてタブレット型パソコン(iPad(登録商標):アップル社製品)を使用し、当該タブレット型パソコンの平滑なプレート表面(アルミノケイ酸ガラス製)に付着する有機物からなる汚れ(具体的には人の皮脂汚れ)を除去する能力を調べた。
具体的には、試験者の顔面その他の皮膚に付着する皮脂成分を手指にこすり付け、当該手指に付いている皮脂成分や汗を上記タブレット型パソコンの平滑なプレート表面の一部に擦りつけて転写した。かかる皮脂や汗の転写量は、(株)堀場製作所製品:ハンディ光沢計「グロスチェッカ(商標)IG-331」を測定角60°で使用し、光沢度(測定値)が約60となる量とした。
次いで、上記例1~例7に係るクリーナーを使用し、皮脂汚れが付いたプレート表面(上記光沢度:約60)の上にて当該クリーナーの粘着体(粘着シートロール)を1回転がした。転がし速度は約0.5m/秒とした。また、転がす際の作業者の押圧力は約300gとした。而して、1回転がした後のプレート表面の光沢度を上記ハンディ光沢計で測定し、測定した光沢度により、皮脂汚れ除去性能の指標とした。結果を表2に示す。
また、例1~例4のクリーナーについては、上記180°剥離試験における粘着力が1~7N/25mm程度(より具体的には1.3~6.5N/25mm)であった。したがって、例1~例4のクリーナーは、使用者が平滑なプレート表面を適度な転がり抵抗(回転抵抗)を有しつつ移動(転動)させることができる極めて使用勝手のよいロール形状クリーナーである。なお、ここでは具体的な数値は示していないが、転がり抵抗(回転抵抗)は、図3に示すような状態で、大気圧条件(例えば温度23℃、相対湿度50%の空気中)にて、試験者が取っ手42を持ち、プレート表面2と把持部材40(取っ手42)の間の角度が一定(例えば55°)となるようにして、所定の速度(例えば725mm/秒)でプレート表面2上を転がし、このとき取っ手42にかかる力(回転抵抗値)を、デジタルフォースゲージで測定し、粘着剤層32の所定幅(例えば150mm)あたりの値(N/150mm)に換算することにより求めることができる。
また、例5~例7のクリーナーについては、上記180°剥離試験における粘着力がほぼ10~60N/25mmであり、使用者が平滑なプレート表面を移動(転動)させるには、かなりの抵抗があり、この種の用途には向かないことが認められた。
粘着剤として、アクリル酸2-エチルヘキシル(2-EHA)とアクリル酸(AA)とを質量比で2-EHA:AA=95:5となるように3つ口フラスコに投入し(溶剤はトルエンを使用した。)、窒素気流下にて、重合開始剤として過酸化ベンゾイルを添加し、60℃に昇温させて2時間反応させ、さらに80℃に昇温して1時間反応させることにより、重量平均分子量(MW)が凡そ50万~60万のアクリル系ポリマー溶液を調製した。次いで、かかるアクリル系ポリマー溶液のポリマー固形分100質量部に対し、表3に示す割合の可塑剤(アジピン酸ジイソノニル:「モノサイザー(登録商標)W-242」、DIC(株)製品)と、0.1質量部の架橋剤(エポキシ系架橋剤:「TETRAD(登録商標)C」、三菱瓦斯化学(株)製品)を混合し、例8~13に係るアクリル系粘着剤を調製した。
こうして得られた粘着体を、直径(外径)が20mmのボール紙製の円筒状支持体の表面に、それぞれ、少なくとも5周以上巻回されるように粘着体を巻回し、例8~13に係る粘着シートロールを形成した。そして、各粘着シートロールを上述した図1に示すような把持部材40の先端回転軸部44に転動(回転)可能に装着し、例8~13に係るクリーナーを構築した。
(光沢度)
可塑剤の配合量と光沢度との関係について検討した。具体的には、試験者の顔面その他の皮膚に付着する皮脂成分を手指にこすり付け、当該手指に付いている皮脂成分や汗をタブレット型パソコン(iPad(登録商標):アップル社製品)の平滑なプレート表面(アルミノケイ酸ガラス製)の一部に擦りつけて転写した。かかる皮脂や汗の転写量は、(株)堀場製作所製品:ハンディ光沢計「グロスチェッカ(商標)IG-331」を測定角60°で使用し、光沢度(測定値)が約60となる量とした。
次いで、上記例8~13に係るクリーナーを使用し、皮脂汚れが付いたプレート表面(上記光沢度:約60)の上にて当該クリーナーの粘着体(粘着シートロール)を1回転がした。転がし速度は約0.5m/秒とした。また、転がす際の作業者の押圧力は約700gとした。而して、1回転がした後のプレート表面の光沢度を上記ハンディ光沢計で測定し、測定した光沢度により、皮脂汚れ除去性能の指標とした。上記評価試験は、2人の試験者でそれぞれ行い、その平均値を記録した。
また、上記皮脂成分をグリセロールモノオレエート(花王社製、商品名「レオドール(登録商標)MO-60」)に代えて上記と同様の試験を2回行い、その平均値を記録した。なお、上記グリセロールモノオレエートは皮脂に代替するものとして用いた。
評価結果を表3に示す。
クリーニング回数と汚れ除去率との関係について検討した。具体的には、上記皮脂汚れ除去性能評価試験と同様に、皮脂成分や汗をタブレット型パソコンの平滑なプレート表面の一部に擦りつけて転写した。かかる皮脂や汗の転写量は、上記ハンディ光沢計を測定角60°で使用し、光沢度(測定値)が約60となる量とした。
上記例11に係るクリーナーを使用し、皮脂汚れが付いたプレート表面(具体的にはプレート表面の左半分)の上にて当該クリーナーの粘着体(粘着シートロール)を1回転がした(1回目クリーニング)。転がし速度は約0.5m/秒とした。また、転がす際の作業者の押圧力は約700gとした。転がした後のプレート表面の光沢度を上記ハンディ光沢計で測定した。この測定値を1回目クリーニング後の光沢度とした。
下記式より、例11に係るクリーナーによる上記タブレット型パソコンの汚れ除去率(%)を求めた。
汚れ除去率(%)=(C-A)/(B-A)×100
A:皮脂成分と汗を転写した状態の光沢度
B:予め測定しておいたクリーンな状態の光沢度
C:1回目クリーニング後の光沢度
1回目クリーニング後の光沢度を測定した後、当該クリーナーの粘着シートロールを再度プレート表面(1回目クリーニングと同じ領域)の上で1回転がした(2回目クリーニング)。転がし速度および押圧力は1回目と同じとした。転がした後のプレート表面の光沢度を上記ハンディ光沢計で測定した。この測定値を2回目クリーニング後の光沢度とした。この測定値を上記式のCに代入して、1回目クリーニング後と同様に、2回目クリーニング後の汚れ除去率(%)を求めた。
1回目クリーニング、2回目クリーニングと同じ要領で3回目以降のクリーニングを行い、光沢度の測定を行い、2回目クリーニング後の場合と同様にして3回目以降のクリーニング後の汚れ除去率(%)を求めた。これを汚れ除去率が100%になるまで繰り返した。
また、上記皮脂成分をグリセロールモノオレエート(花王社製、商品名「レオドール(登録商標)MO-60」)に代えて上記と同様の試験を行った。
結果を表4に示す。タブレット型パソコンのプレート表面の各回におけるクリーニング状態を図7~9に示す。図7~9において、プレート表面の左半分が例11に係るクリーナーによるクリーニング状態である。
1回目クリーニング後の光沢度を測定した後、当該クリーニングクロスで再度プレート表面(1回目クリーニングと同じ領域)の上を1回目と同じ方向にワイピングした(2回目クリーニング)。ワイピング速度および押圧力は1回目と同じとした。ワイピングした後のプレート表面の光沢度を上記ハンディ光沢計で測定した。この測定値を2回目クリーニング後の光沢度とした。この測定値を上記式のCに代入して、1回目クリーニング後と同様の方法により、2回目クリーニング後の汚れ除去率(%)を求めた。
1回目クリーニング、2回目クリーニングと同じ要領で3回目以降のクリーニングを行い、光沢度の測定を行った。2回目クリーニング後の場合と同様にして3回目以降のクリーニング後の汚れ除去率(%)を求めた。これを汚れ除去率が100%になるまで繰り返した。
また、上記皮脂成分をグリセロールモノオレエート(花王社製、商品名「レオドール(登録商標)MO-60」)に代えて上記と同様の試験を行った。
結果を表4に示す。タブレット型パソコンのプレート表面の各回におけるクリーニング状態を図7~9に示す。図7~9において、プレート表面の右半分がクリーニングクロスによるクリーニング状態である。
また、例8,9,11および13に係る粘着剤について、供試体(被着体)としてタブレット型パソコン(iPad(登録商標):アップル社製品)を使用し、JIS Z0237に準拠して、当該タブレット型パソコンのプレート表面(アルミノケイ酸ガラス製)に対する粘着力を評価した。
具体的には、上記各例に係るクリーナーに備えられる粘着体(幅25mmに裁断したもの)をタブレット型パソコンのプレート表面に貼り付け、23℃、RH50%の測定環境にて、引張速度300mm/分および1000mm/分の条件で180°引き剥がし粘着力(N/25mm)を測定した。測定は各引張速度で2回づつ行い、平均値を記録した。結果を表5に示す。
さらに、表4に示されるように、例11に係る粘着シートロールを用いて構築されたクリーナーは、3回の転がしでタブレット型パソコンのプレート表面上の汚れを完全に除去することができた。一方、市販のクリーニングクロスを用いた場合、汚れを完全に除去するまでに5~7回のワイピングを要した。また、図7~9から、クリーニングクロスでは汚れを引き伸ばしているようなワイピングとなってしまうことがわかる。これらの結果から、本発明に係る粘着クリーナーが実用性に優れることがわかる。
(汚れ捕捉量)
(1)充分量のグリセロールモノオレエート(花王社製、商品名「レオドール(登録商標)MO-60」)が供給されたタブレット型パソコン(iPad(登録商標):アップル社製品)の平滑なプレート表面(アルミノケイ酸ガラス製)に、例11に係るクリーナーの粘着シートロールを3分間転がし、グリセロールモノオレエートを上記クリーナーの粘着体に転写させた。押圧力は約700gとした。
(2)このときの上記クリーナーの重量を測定し、初期重量との差をグリセロールモノオレエートの捕捉量として記録した。これを1回目捕捉量とした。
(3)3分間転がした直後から1分間隔で、上記と異なるタブレット型パソコン(iPad(登録商標):アップル社製品)の平滑なプレート表面(クリーンな状態)に上記クリーナーの粘着シートロールを押圧力約1kgで約1/4回転させ、上記プレート表面へのグリセロールモノオレエートの転写レベルを目視で観察した。3回連続して転写が認められなかった時点で、上記(1)の操作を再び行い、このときの上記クリーナーの重量を測定し、1回目捕捉量との差をグリセロールモノオレエートの捕捉量として記録した。これを2回目捕捉量とした。
上記転写レベルの目視観察は次のような基準で行った。すなわち、グリセロールモノオレエートの転写の程度を相対評価として5段階に分けて採点した。点数が低いほど転写が多く、点数が高いほど転写が少ないことを示す。
1点:転写が多く認められた。
2点:転写が認められた。
3点:少量の転写が認められた。
4点:わずかな転写が認められた。
5点:転写は認められなかった。
(4)上記(1),(3)と同様の操作を行い、3回目捕捉量を求めた。
(5)上記(1),(3)と同様の操作を行い、4回目捕捉量を求めた。ただし、4回目は転写レベルの目視観察は行わなかった。
捕捉量(mg)については、上記の評価を3つのサンプルを用いて行い、その平均値を採用した。また、粘着シートロールの粘着体の表面積を除することにより単位面積換算の捕捉量(mg/cm2)も求めた。結果を表6に示す。転写レベルの目視観察の結果を図10に示す。
可塑剤の配合量と汚れ捕捉能力の回復性との関係について検討した。
(1)充分量のグリセロールモノオレエート(花王社製、商品名「レオドール(登録商標)MO-60」)が供給されたタブレット型パソコン(iPad(登録商標):アップル社製品)の平滑なプレート表面(アルミノケイ酸ガラス製)に、例8,9,11および13に係るクリーナーならびに例7に係る従来のフローリング用ロール形状クリーナーの粘着シートロールをそれぞれ3分間転がし、グリセロールモノオレエートを上記クリーナーの粘着体に転写させた。押圧力は約700gとした。
(2)このときの上記クリーナーの重量を測定し、初期重量との差をグリセロールモノオレエートの捕捉量として記録した。これを1回目捕捉量とした。
(3)上記3分間転がした直後から1分間隔で、上記と異なるタブレット型パソコン(iPad(登録商標):アップル社製品)の平滑なプレート表面(クリーンな状態)に上記クリーナーの粘着シートロールを押圧力約1kgで約1/4回転させ、上記プレート表面へのグリセロールモノオレエートの転写レベルを目視で観察した。3回連続して転写が認められなかった時点で、上記(1)の操作を再び行い、このときの上記クリーナーの重量を測定し、1回目捕捉量との差をグリセロールモノオレエートの捕捉量として記録した。これを2回目捕捉量とした。
上記転写レベルの目視観察は上述の基準で行った。捕捉量(mg)については、粘着シートロールの粘着体の表面積を除することにより単位面積換算の捕捉量(mg/cm2)も求めた。結果を表7に示す。転写レベルの目視観察の結果を図11に示す。
2 プレート表面(表示部)
10 プレート表面用粘着クリーナー
20 支持体
30 粘着体
32 粘着剤層
36 基材
40 把持部材
42 取っ手
44 先端回転軸部
50 有機物からなる汚れ
Claims (9)
- 再剥離性の粘着剤を有する粘着体を備え、
平滑な表面を有するプレートの該平滑なプレート表面に前記粘着体を接触させることによって、該プレート表面に付着している有機物からなる汚れを取り除くために使用される、プレート表面用粘着クリーナー。 - 前記粘着体を支持する支持体を備え、
前記支持体は、前記粘着剤を前記プレート表面に押しつけつつ該プレート表面に沿って前記粘着体を転動可能に該粘着体を保持するように構成されている、請求項1に記載のプレート表面用粘着クリーナー。 - 前記支持体は円筒状に形成されており、該円筒状支持体の外周面に前記粘着体が備えられており、
ここで前記円筒状支持体の外径は、少なくとも4mm以上に設計されている、請求項2に記載のプレート表面用粘着クリーナー。 - 前記粘着体は、シート状の基材を備え、該シート状基材の一方の面に前記粘着剤が保持されることによって粘着シートを形成し、該粘着剤を外側として巻回された粘着シートロールとして構成されている、請求項1~3のいずれか一項に記載のプレート表面用粘着クリーナー。
- 前記シート状基材は、合成樹脂、不織布または紙で構成されている、請求項4に記載のプレート表面用粘着クリーナー。
- 前記有機物からなる汚れとしてヒトの皮脂汚れを取り除くために使用される、請求項1~5のいずれか一項に記載のプレート表面用粘着クリーナー。
- 前記粘着剤は、アクリル系粘着剤または天然ゴム系粘着剤またはウレタン系粘着剤である、請求項1~6のいずれか一項に記載のプレート表面用粘着クリーナー。
- 前記粘着体の粘着力が、JIS Z0237に規定する180°剥離試験に基づく測定値で1~7N/25mmである、請求項1~7のいずれか一項に記載のプレート表面用粘着クリーナー。
- 前記プレートは、前記平滑なプレート表面としてガラス製もしくは合成樹脂製の表示面を備えるポータブル機器であり、該平滑なガラス製もしくは合成樹脂製の表示面に付着している有機物からなる汚れを取り除くために使用される、請求項1~8のいずれか一項に記載のプレート表面用粘着クリーナー。
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US13/813,214 US9003591B2 (en) | 2011-07-26 | 2012-06-29 | Pressure-sensitive adhesive cleaner for plate surfaces |
EP12817172.5A EP2737840B1 (en) | 2011-07-26 | 2012-06-29 | Adhesive cleaner for plate surfaces |
ES12817172.5T ES2671934T3 (es) | 2011-07-26 | 2012-06-29 | Limpiador de adhesivo para superficies de placas |
KR1020137002544A KR101921341B1 (ko) | 2011-07-26 | 2012-06-29 | 플레이트 표면용 점착 클리너 |
JP2013503900A JP5701972B2 (ja) | 2011-07-26 | 2012-06-29 | プレート表面用粘着クリーナー |
CN2012800022349A CN103108581A (zh) | 2011-07-26 | 2012-06-29 | 板表面用粘合清洁器 |
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EP (1) | EP2737840B1 (ja) |
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KR (1) | KR101921341B1 (ja) |
CN (2) | CN106937857A (ja) |
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JPWO2015033961A1 (ja) * | 2013-09-04 | 2017-03-02 | 株式会社ニトムズ | 粘着クリーナー |
JP2016054790A (ja) * | 2014-09-05 | 2016-04-21 | 株式会社ニトムズ | 粘着式クリーナー |
WO2016104394A1 (ja) * | 2014-12-22 | 2016-06-30 | 株式会社ニトムズ | 抗菌処理用粘着クリーナー |
JP2016116795A (ja) * | 2014-12-22 | 2016-06-30 | 株式会社ニトムズ | 抗菌処理用粘着クリーナー |
CN107105963A (zh) * | 2014-12-22 | 2017-08-29 | 尼托母斯股份有限公司 | 抗菌处理用粘合清洁器 |
WO2016104520A1 (ja) * | 2014-12-24 | 2016-06-30 | 株式会社ニトムズ | 粘着クリーナー |
KR20170099899A (ko) | 2014-12-24 | 2017-09-01 | 가부시키가이샤 니토무즈 | 점착 클리너 |
US10478043B2 (en) | 2014-12-24 | 2019-11-19 | Kabushiki Kaisha Nitoms | Sticky cleaner |
JP2016120029A (ja) * | 2014-12-24 | 2016-07-07 | 株式会社ニトムズ | 粘着クリーナー |
JP2016158787A (ja) * | 2015-02-27 | 2016-09-05 | 株式会社ニトムズ | 粘着クリーナー |
KR20170125861A (ko) * | 2015-02-27 | 2017-11-15 | 가부시키가이샤 니토무즈 | 점착 클리너 |
EP3266363A4 (en) * | 2015-02-27 | 2018-12-05 | Kabushiki Kaisha Nitoms | Adhesive cleaner |
WO2016136800A1 (ja) * | 2015-02-27 | 2016-09-01 | 株式会社ニトムズ | 粘着クリーナー |
US10660503B2 (en) | 2015-02-27 | 2020-05-26 | Kabushiki Kaisha Nitoms | Sticky cleaner |
KR102385102B1 (ko) * | 2015-02-27 | 2022-04-12 | 가부시키가이샤 니토무즈 | 점착 클리너 |
JP2018111744A (ja) * | 2017-01-06 | 2018-07-19 | リンテック株式会社 | 粘着体 |
JP2018166846A (ja) * | 2017-03-30 | 2018-11-01 | リンテック株式会社 | 油脂除去シート、油脂除去方法及びキット |
Also Published As
Publication number | Publication date |
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EP2737840A4 (en) | 2015-04-08 |
CN103108581A (zh) | 2013-05-15 |
TW201311200A (zh) | 2013-03-16 |
CN106937857A (zh) | 2017-07-11 |
US20130125322A1 (en) | 2013-05-23 |
EP2737840B1 (en) | 2018-03-28 |
JP2016105839A (ja) | 2016-06-16 |
JP2014221422A (ja) | 2014-11-27 |
EP2737840A1 (en) | 2014-06-04 |
US9003591B2 (en) | 2015-04-14 |
TWI542313B (zh) | 2016-07-21 |
ES2671934T3 (es) | 2018-06-11 |
JP6181225B2 (ja) | 2017-08-16 |
JPWO2013015075A1 (ja) | 2015-02-23 |
KR101921341B1 (ko) | 2018-11-22 |
KR20140045279A (ko) | 2014-04-16 |
JP5899285B2 (ja) | 2016-04-06 |
JP5701972B2 (ja) | 2015-04-15 |
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