JP7070056B2 - Cosmetic sheets and materials - Google Patents

Description

The present invention relates to a glossy decorative sheet and a decorative material in which the decorative sheet is laminated in a resin laminate.

The pattern of the glossy decorative sheet was formed by printing an ink or the like for forming the pattern containing a brilliant pigment with a gravure printing machine (see Patent Document 1).

However, the pattern formation of the decorative sheet by gravure printing may deteriorate in design due to plate crushing, poor ink transfer, and the like.

Therefore, in order to improve the design, a method of forming a pattern by using an inkjet is performed (see Patent Document 2).

However, when an attempt was made to apply a brilliant pigment containing a brilliant pigment by inkjet, the brilliant pigment having a large particle size may be clogged in the nozzle of the inkjet head and may not be ejected. ..

Japanese Patent Application Laid-Open No. 2002-210907 Japanese Patent No. 3475912

It is an object of the present invention to provide a highly-designed decorative sheet on which a high-definition pattern is printed and given a glossy feeling, and a decorative material using the decorative sheet.

The present invention has been made to solve the above problems, and the invention of claim 1 of the present invention is based on the present invention.
A decorative sheet including a resin base material, an inkjet printing layer, a pearl ink layer containing a brilliant pigment, and a surface protective layer, wherein the ink of the inkjet printing layer is made of a UV curable resin and the pearl. The decorative sheet is characterized in that the average particle size of the bright pigment in the ink layer is 1 μm or more and 100 μm or less , and the particle size is 100 μm or more .

The invention of claim 2 of the present invention is the decorative sheet according to claim 1, wherein the inkjet printing layer, the pearl ink layer, and the surface protective layer are laminated in this order on the resin base material.

The third aspect of the present invention is the decorative sheet according to claim 1, wherein the pearl ink layer, the inkjet printing layer, and the surface protective layer are laminated in this order on the resin base material.

The invention of claim 4 of the present invention is a decorative material characterized in that the decorative sheet according to any one of claims 1 to 3 is laminated in a resin laminate. ..

It is possible to provide a highly-designed decorative sheet on which a high-definition pattern is printed and given a glossy feeling, and a decorative material using the decorative sheet.

It is a schematic sectional drawing illustrating the layer structure of the decorative sheet of this invention. (A) is for a surface protective layer / pearl ink layer / inkjet printing layer / resin base material, and (b) is for a surface protective layer / inkjet printing layer / pearl ink layer / resin base material. It is schematic cross-sectional view which illustrates the layer structure of the decorative material using the decorative sheet of this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

FIG. 1 is a schematic cross-sectional view illustrating the layer structure of the decorative sheet of the present invention. FIG. 1A shows a surface protective layer / pearl ink layer / inkjet printing layer / resin base material.

The decorative sheet 100 is configured by laminating an inkjet printing layer 30, a pearl ink layer 20, and a surface protective layer 10 on a resin base material 40 in this order.

As a schematic cross-sectional view illustrating the layer structure of another decorative sheet 101, FIG. 1B is a case of a surface protective layer / inkjet printing layer / pearl ink layer / resin base material.

The decorative sheet 100 is configured by laminating a pearl ink layer 20, an inkjet printing layer 30, and a surface protection layer 10 on a resin base material 40 in this order.

In the decorative sheet 100 configured as shown in FIGS. 1A and 1B, the ink of the inkjet printing layer 30 is made of a UV curable resin, and the average particle size of the bright pigment of the pearl ink layer 20 is 1 μm. Use one with a diameter of 100 μm or more.

FIG. 2 is a schematic cross-sectional view illustrating the layer structure of the decorative material 200 using the decorative sheet 100 of the present invention.

The decorative sheet 100 is a decorative material 200 configured by being laminated in a resin laminate containing at least a resin layer. A resin base material 40, an inkjet printing layer 30, a pearl ink layer 20, a transparent adhesive layer 60, a transparent thermoplastic resin layer 50, and a surface protection layer 10 are laminated in this order on the primer layer 70. It is a highly designed decorative material with a high-definition pattern printed on it to give it a glossy appearance.

Specific examples of the present invention will be described below.

A decorative sheet configured as shown in FIG. 1 (a) was manufactured.

A colored polyethylene film (FZ manufactured by RIKEN TECHNOS) was used as the resin base material 40. As the Inkgent printing layer 30, UV ink (manufactured by Ricoh Co., Ltd.) was printed by an ink jet printing machine and cured by applying UV light to form a wood grain pattern. Further, as the pearl ink layer 20, a transparent UV ink (manufactured by Ricoh Co., Ltd.) mixed with a bright pigment PEARL-GLaze ME-100 (manufactured by Nippon Koken Kogyo Co., Ltd., particle size 10 to 60 μm) (bright pigment A) is mixed. It was coated with a dispenser and cured by applying UV light. Further, as the surface protective layer 10, a material containing a thermosetting polyfunctional acrylic urethane resin and silica (manufactured by DIC Graphics) is applied and dried, and the surface protective layer 10 has a thickness of 10 μm after drying. Formed.

<Comparative Example 1>
Here, the portion of the inkjet printing layer 30, which is the pattern layer in the layer structure of the example, is formed of a gravure ink layer.

A colored polyethylene film (FZ manufactured by RIKEN TECHNOS) was used as the resin base material 40. A wood grain pattern was printed on a gravure printing machine using gravure ink (Lamister (registered trademark) manufactured by Toyo Ink Co., Ltd.) as a pattern layer to form a gravure ink layer. Further, as the pearl ink layer 20, a transparent UV ink (manufactured by Ricoh Co., Ltd.) mixed with a bright pigment PEARL-GLaze ME-100 (manufactured by Nippon Koken Kogyo Co., Ltd., particle size 10 to 60 μm) (bright pigment A) is mixed. It was coated with a dispenser and cured by applying UV light. Further, as the surface protective layer 10, a material containing a thermosetting polyfunctional acrylic urethane resin and silica (manufactured by DIC Graphics) is applied and dried, and the surface protective layer 10 has a thickness of 10 μm after drying. Formed.

<Comparative Example 2>
A decorative sheet configured as shown in FIG. 1 (a) was manufactured.

A colored polyethylene film (FZ manufactured by RIKEN TECHNOS) was used as the resin base material 40. As the Inkgent printing layer 30, a water-based ink (manufactured by Toyo Ink Co., Ltd.) was printed by an ink jet printing machine and dried to form a wood grain pattern. Further, as the pearl ink layer 20, a transparent water-based ink (manufactured by Toyo Ink Co., Ltd.) mixed with a bright pigment PEARL-GLaze ME-100 (manufactured by Nippon Koken Kogyo Co., Ltd., particle size 10 to 60 μm) (bright pigment A). Was coated with a dispenser, dried, and cured by applying UV light. Further, as the surface protective layer 10, a material containing a thermosetting polyfunctional acrylic urethane resin and silica (manufactured by DIC Graphics) is applied and dried, and the surface protective layer 10 has a thickness of 10 μm after drying. Formed.

<Comparative Example 3>
A decorative sheet configured as shown in FIG. 1 (a) was manufactured.

A colored polyethylene film (FZ manufactured by RIKEN TECHNOS) was used as the resin base material 40. As the Inkgent printing layer 30, UV ink (manufactured by Ricoh Co., Ltd.) was printed by an ink jet printing machine and cured by applying UV light to form a wood grain pattern. Further, as the pearl ink layer 20, a transparent UV ink (manufactured by Ricoh Co., Ltd.) mixed with a bright pigment PEARL-GLaze ML-100R (manufactured by Nippon Koken Kogyo Co., Ltd., particle size 20 to 200 μm) (bright pigment B) is mixed. It was coated with a dispenser and cured by applying UV light. Further, as the surface protective layer 10, a material containing a thermosetting polyfunctional acrylic urethane resin and silica (manufactured by DIC Graphics) is applied and dried, and the surface protective layer 10 has a thickness of 10 μm after drying. Formed.

<Evaluation>
(Creativity)
The details of the printed part were visually judged, and those with no ink coalescence and printing with no problem in size were marked with ○, and those with no ink coalescence were marked with ×.

(Adhesion)
The cross-cut method JIS K5600-5-6 (ISO2409) was performed, and those having 20 or more squares out of 25 squares were marked with ◯, and those not were marked with x.

(Easy to print)
Items that do not need to be applied at the time of printing are marked with ○, and items that have to be applied at the time of printing are marked with ×.

The results are summarized in Table 1.

＜比較結果＞
（意匠性）
実施例の意匠はＯＫである。比較例１では細部の表現ができていない。比較例２では乾燥硬化までにインキが合一してしまい不良となった。比較例３ではパールインキ顔料を吐出するために径の大きなディスペンサーを用いなければならず、細部の表現ができなかった。

<Comparison result>
(Creativity)
The design of the embodiment is OK. In Comparative Example 1, the details cannot be expressed. In Comparative Example 2, the inks were united by the time of drying and curing, resulting in a defect. In Comparative Example 3, a dispenser having a large diameter had to be used to eject the pearl ink pigment, and details could not be expressed.

(Adhesion)
In Example and Comparative Example 3, 20 squares or more of ink remained, but in Comparative Example 1 and Comparative Example 2, 20 squares or more did not remain and ink peeling was observed.

(Easy to print)
In Example and Comparative Example 1, printing can be performed without any problem. In Comparative Example 2, when the pearl ink is applied, the pearl ink pigment tends to precipitate, which is not suitable. In Comparative Example 3, printing cannot be performed unless the diameter of the dispenser is increased.

The pattern layer and the pearl ink layer are separated, and the pattern layer is an inkjet printing layer formed by inkjet with UV ink having an ink dot size of 5 μm or more and 100 μm or less, and the pearl ink layer has an average particle size of 1 μm or more and 100 μm or less. It was found that by using a pearl ink layer having a sex pigment, it is possible to provide a decorative sheet having a glossy feeling and a high design.

10 ... Surface protective layer 20 ... Pearl ink layer 30 ... Inkjet printing layer 40 ... Resin base material 50 ... Transparent thermoplastic resin layer 60 ... Transparent adhesive layer 70 ... Primer layer 100 ... Cosmetic sheet 101 ... Cosmetic sheet 200 ... Cosmetic material

Claims (4)

With a resin base material
Inkjet printing layer and
A pearl ink layer containing a brilliant pigment and
With a surface protective layer,
It ’s a cosmetic sheet that I have prepared.
A cosmetic characterized in that the ink of the inkjet printing layer is made of a UV curable resin, the average particle size of the bright pigment of the pearl ink layer is 1 μm or more and 100 μm or less , and the particle size is 100 μm or more. Sheet. The decorative sheet according to claim 1, wherein the inkjet printing layer, the pearl ink layer, and the surface protective layer are laminated in this order on the resin base material. The decorative sheet according to claim 1, wherein the pearl ink layer, the inkjet printing layer, and the surface protective layer are laminated in this order on the resin base material. A decorative material, wherein the decorative sheet according to any one of claims 1 to 3 is laminated in a resin laminate.

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