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US10385239B2 - Carton sealing tape with a plurality of security features - Google Patents

Carton sealing tape with a plurality of security features Download PDF

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Publication number
US10385239B2
US10385239B2 US15/478,993 US201715478993A US10385239B2 US 10385239 B2 US10385239 B2 US 10385239B2 US 201715478993 A US201715478993 A US 201715478993A US 10385239 B2 US10385239 B2 US 10385239B2
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United States
Prior art keywords
backing
adhesive
taggants
sealing tape
company
Prior art date
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Active
Application number
US15/478,993
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US20170283662A1 (en
Inventor
Shawn P. Nelson
James Apap Bologna
Allison Duffy
Jeffrey Scott Coats
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Intertape Polymer Corp
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Intertape Polymer Corp
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Priority to US15/478,993 priority Critical patent/US10385239B2/en
Publication of US20170283662A1 publication Critical patent/US20170283662A1/en
Assigned to INTERTAPE POLYMER CORP. reassignment INTERTAPE POLYMER CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOLOGNA, JAMES APAP, COATS, JEFFREY SCOTT, DUFFY, Allison, NELSON, SHAWN P.
Assigned to BANK OF AMERICA, N.A., AS AGENT reassignment BANK OF AMERICA, N.A., AS AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BETTER PACKAGES, INC., BP ACQUISITION CORPORATION, CANTECH INDUSTRIES, INC., INTERTAPE POLYMER CORP., INTERTAPE POLYMER GROUP INC., INTERTAPE POLYMER INC., IPG (US) HOLDINGS INC., IPG (US) INC., IPG LUXEMBOURG FINANCE S.A. R.L.
Application granted granted Critical
Publication of US10385239B2 publication Critical patent/US10385239B2/en
Assigned to BETTER PACKAGES, INC., IPG LUXEMBOURG FINANCE S.A R.L., INTERTAPE POLYMER INC., INTERTAPE POLYMER GROUP INC., IPG (US) HOLDINGS INC., CANTECH INDUSTRIES, INC., BP ACQUISITION CORPORATION, IPG (US) INC., INTERTAPE POLYMER CORP. reassignment BETTER PACKAGES, INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Assigned to CREDIT SUISSE AG, NEW YORK BRANCH, AS COLLATERAL AGENT reassignment CREDIT SUISSE AG, NEW YORK BRANCH, AS COLLATERAL AGENT FIRST LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT Assignors: BETTER PACKAGES, INC., INTERTAPE POLYMER CORP., IPG (US) HOLDINGS INC., POLYAIR CORPORATION
Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BETTER PACKAGES, INC., INTERTAPE POLYMER CORP., IPG (US) HOLDINGS INC., POLYAIR CORPORATION
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/338—Applications of adhesives in processes or use of adhesives in the form of films or foils as tamper-evident tape or label
    • C09J2205/106—
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/28—Presence of paper
    • C09J2400/283—Presence of paper in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2407/00—Presence of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00—Presence of polyolefin
    • C09J2423/10—Presence of homo or copolymers of propene
    • C09J2423/106—Presence of homo or copolymers of propene in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2453/00—Presence of block copolymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2465/00—Presence of polyphenylene
    • C09J2465/006—Presence of polyphenylene in the substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2835—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including moisture or waterproof component

Definitions

  • the present invention relates to an adhesive tape, in particular, carton sealing tape with a plurality of security features.
  • Adhesive tapes are well known in the art. In recent years, attempts have been made to provide carton sealing tapes with features evidencing tampering. However, more reliable, anti-counterfeiting measures are needed for carton sealing tapes.
  • One aspect of the invention is a carton sealing tape having a paper backing that has a major top surface and an opposing major bottom surface, a layer of a water activatable adhesive generally covering the bottom surface of the paper backing, and an ink composition printed on the top surface of the paper backing.
  • the ink composition includes nanomarker particles having identification indicia visible under about 100 to about 400 times magnification, and either the paper backing or the ink composition includes taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum in either the paper backing or the ink composition.
  • the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase, and the taggants are up-shifting phosphorus.
  • the ink composition is printed on the top surface of the tape as a consecutive sequence of coded identification information in the form of a barcode or a 2D code.
  • carton sealing tape has a backing having a major top surface and an opposing major bottom surface, a layer of an adhesive generally covering the bottom surface of the backing, a clear coat layer generally covering the top surface of the backing, and an ink composition printed on the clear coat layer.
  • At least one of the backing, the clear coat layer, or the ink composition comprises taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum, and when the backing comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification, and when the clear coat layer comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification, and when the ink composition comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification.
  • the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase
  • the ink composition printed on the clear coat layer comprises a consecutive sequence of coded identification information in the form of a barcode or a 2D code.
  • the layer of adhesive is a water activatable adhesive, and the backing comprises paper.
  • the layer of adhesive is a pressure sensitive adhesive and the clear coat layer is a printable release layer.
  • carton sealing tapes have a polymeric film backing having a major top surface and an opposing major bottom surface, wherein the top surface comprises a material configured to receive an ink composition, a layer of adhesive generally covering the bottom surface of the backing, and taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum and nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification dispersed together throughout the backing or the layer of adhesive, or the taggants in the backing and the nanomarkers in the layer of adhesive, or the nanomarkers in the backing and the taggants in the layer of adhesive.
  • the layer of adhesive is a pressure sensitive adhesive and the top surface comprises a printable release layer.
  • the printable release layer may be printed with a consecutive sequence of coded identification information such as a barcode or a 2D code.
  • the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase
  • the adhesive material in the adhesive layer bonds to fibers in a carton, thereby tearing away a portion of the carton when the tape is peeled from the carton.
  • the backing may further comprise reinforcing elements such as fiberglass or polyethylene terephthalate fibers
  • the adhesive material is a natural rubber-styrene-isoprene-styrene blend pressure sensitive adhesive, a water activated adhesive, styrene-isoprene-styrene pressure sensitive adhesive, a natural rubber pressure sensitive adhesive, or an acrylic pressure sensitive adhesive.
  • One aspect of the invention is a carton sealing tape having a pressure sensitive or water activated adhesive with embedded taggants in the tape backing, whether paper or film, and particles dispersed in the release coating that are visible under magnification of about 100 to about 400 times.
  • the taggants are invisible to the human eye under natural or room lighting, but when a reader emitting a pre-selected wavelength of electromagnetic radiation, for example, an infrared wavelength, is utilized, the fluorescence of the taggants is readable by the reader.
  • the particles dispersed in the release coating are also invisible to the human eye.
  • the particles include a company name, company logo, company trademark, or other indicia identifying the manufacturer of the tape and/or the manufacturer of a product enclosed within the carton, which is sealed by the carton sealing tape.
  • the non-adhesive face of the carton sealing tape is printable in-line with an identification code, such as a barcode or 2D code, with consecutive sequential variations in the identification codes.
  • the identification codes include information such as the origin of the carton and its destination, which provide track and trace capability.
  • FIG. 1 is a perspective view of a roll of carton sealing tape for one embodiment of the invention, which has a water activated adhesive and QR codes printed thereon.
  • FIG. 2 is an enlarged cross-sectional view of the carton sealing tape of FIG. 1 , taken at line 2 - 2 , illustrating the layers thereof.
  • FIGS. 3A-3C are top, plan views of a section of three different carton sealing tapes, illustrating different examples of identification codes.
  • FIG. 4 is a photograph of a strip of carton sealing tape applied to a carton and partially peeled away demonstrating the strong bond to the fibers of the carton, some of which peel away with the tape.
  • FIG. 5 is a photograph of a reader seated on the carton sealing tape on a carton to read the taggants in the backing of the tape.
  • FIG. 6 is a photograph of a hand held device reading or imaging the identification code.
  • FIG. 7 is a screen shot from the hand held device showing that the coded information captured according to FIG. 6 has been authenticated.
  • FIG. 1 illustrates a roll 10 of carton sealing tape 30 that has a plurality of security features included therein.
  • the carton sealing tape 30 is wound on a core 18 to form the roll 10 .
  • the carton sealing tape 30 includes a plurality of layers applied to a tape backing 12 (also referred to as a substrate).
  • the tape backing 12 has a top surface 32 and a bottom surface 34 , which define opposing major surfaces of the tape structure.
  • the bottom surface 34 of the tape backing 12 has an adhesive layer 14 applied thereto, and as such defines an adhesive face 40 and functional layer of the tape 30 .
  • the top surface 32 of the tape backing 12 has a coating layer 16 , which defines a non-adhesive face 42 of the tape 30 .
  • the adhesive layer 14 and the coating layer 16 are applied to the tape backing 12 using known techniques at coat weights acceptable for carton sealing tapes.
  • the adhesive layer 14 and the coating layer 16 generally cover the entirety of the respective surface of the tape backing 12 .
  • the coating layer 16 is clear coat.
  • PSA pressure sensitive adhesive
  • the plurality of security features incorporated into tape 30 include at least two of: (i) an adhesive layer 14 formulated to destroy fibers in the carton when the tape is peeled from the carton; (ii) reinforcement elements in the adhesive tape backing 12 ; (iii) taggants, especially taggants visible only upon exposure to a pre-selected wavelength outside the visible spectrum; (iv) particles having a company name, logo, trademark, or other indicia identifying a manufacturer of the tape and/or a product enclosed within the carton, which are only visible under about 100 to about 400 times magnification (“nanomarkers”); and (v) an in-line printable non-adhesive face printed with coded information 36 to provide track and trace capability as shown in FIGS.
  • the tape 30 includes at least (iii) and (iv) as the plurality of security features, and often includes (i) and (v) as additional security features.
  • security features are set forth below in the working examples as well as the options for the location of the taggants and the nanomarkers within the tape structure, which varies depending upon whether the tape is a WAT or a PSA carton sealing tape.
  • the tape backing 12 may be a creped paper, synthetic substrate, or other materials known to one of skill in the art as suitable for a backing layer.
  • the tape backing is a creped paper web, optionally reinforced with fiberglass fibers or polyethylene terephthalate fibers, such as a creped Northern Bleached Softwood Kraft paper.
  • the tape backing is a clear film backing, which allows the adhesive to be visible therethrough, rendering the adhesive capable of including the taggants and/or the nanomarkers dispersed therein.
  • Example clear film backing includes biaxially oriented polypropylene (BOPP) film, polyethylene terephthalate (PET) film, a polyethylene (PE) film, a film made of a blend of PP and PE.
  • BOPP biaxially oriented polypropylene
  • PET polyethylene terephthalate
  • PE polyethylene
  • PE polyethylene
  • the security feature of taggants in the tape 30 provides authentication of the tape and the original seal made on a carton by the tape.
  • the taggant may be incorporated in the tape structure as part of the tape backing 12 itself, i.e., included therein during its manufacturing process, or applied thereto by soaking, immersing, coating, and/or dipping the tape backing 12 with/in a solution thereof.
  • the backing is creped paper, such a Kraft flatback paper
  • the taggants may be added during the paper making process, in particular in to the paper pulp.
  • the backing is a film
  • the taggants may be blended into the molten polymers.
  • the taggants be dispersed within a coating that applied to the top surface of the backing or within an ink composition that is printed onto the tape.
  • the taggants are invisible to the human eye under natural or room lighting, but fluoresce when a reader or detector 46 emitting a pre-selected wavelength of electromagnetic radiation, for example, an infrared wavelength or UV wavelength, as shown in FIG. 5 is placed on the tape.
  • the fluorescence of the taggants are readable by the reader 46 .
  • the tape 30 having a QR code 36 is applied to a carton 44 and has the detector 46 held against the tape by a user.
  • the taggants are fluorophores, such as an up-shifting phosphorus material that fluoresce upon exposure to infrared light.
  • the taggants are radio-wave taggants.
  • the detection system and/or the detector includes a spectrometer, XRF (X-ray fluorescence), or laser detection devices, either tabletop or handheld.
  • the taggants may have an average particle size of less than 25 ⁇ m, less than 15 ⁇ m, or less than 10 ⁇ m.
  • the adhesive layer 14 generally covers the bottom surface 34 of tape backing 12 in its entirety.
  • the adhesive material in the adhesive layer 14 bonds to fibers in a carton 44 , thereby tearing away a portion of the carton 45 when the tape is peeled from the carton 44 as shown in FIG. 4 .
  • the adhesive layer 14 may be applied to tape backing 12 as a solvent-cast, aqueous, solventless, or molten film or as a coating layer using either extrusion, any manner of roll, knife, rod, or blade coating, curtain coating or any other known method.
  • the adhesive coating layer thickness may range from about 0.1 mil to about 2.5 mil.
  • the adhesive may be a pressure sensitive adhesives (PSA) such as a natural rubber adhesive, a synthetic rubber, or an acrylic, or it may be a water activated adhesive.
  • PSA pressure sensitive adhesives
  • the adhesive material is a blend of a natural rubber and a styrene-isoprene-styrene block copolymer (SIS).
  • SIS styrene-isoprene-styrene block copolymer
  • the adhesive material is the natural rubber adhesive or the styrene-isoprene-styrene block copolymer (SIS).
  • water activated adhesive includes adhesives, or other adhesives that are activated upon the application of a liquid thereto because the adhesive is of a kind that becomes tacky when moistened.
  • the liquid may be water, but is not limited thereto.
  • the tape 30 optionally includes a coating layer 16 , such as a release layer, for example a silicone release coating if the adhesive is a PSA, which allows the tape to be self-winding into rolls or a clear coat layer if the adhesive is a water activated adhesive.
  • a coating layer 16 such as a release layer, for example a silicone release coating if the adhesive is a PSA, which allows the tape to be self-winding into rolls or a clear coat layer if the adhesive is a water activated adhesive.
  • the release layer 16 is not limited to a silicone release coating, but may be any other suitable release system known to one of skill in the adhesive and/or tape art so long as it will not obscure detection of the taggants and/or nanomarker when dispersed therein.
  • a dispersing agent is present in an effective amount to generally uniformly disperse the taggants and/or nanomarkers throughout the release layer.
  • the non-adhesive face of the carton sealing tape is printable, in particular it is printable in-line with an identification code, such as a barcode or 2D code, with consecutive sequential variations in the identification codes.
  • the identification codes include information such as the origin of the carton and its destination, which provide track and trace capability.
  • the layers of the tape 30 are simultaneously or sequentially applied to the tape backing 12 , in any order, using known techniques.
  • TABLE 2 Tapes comprising taggants in the backing, nanomarkers in a printable release layer, and an adhesive that destroys fibers in the carton when peeled therefrom.
  • Trial Backing Adhesive Printable release layer 5 Kraft flatback - PET natural rubber/ nanomarkers with reinforced paper with SIS blend PSA company identifier up-shifting phosphorus dispersed therein; taggants printed with a QR code 6 Kraft flatback paper natural rubber/ nanomarkers with with up-shifting phos- SIS blend PSA company identifier phorus taggants dispersed therein; printed with an HD barcode 7 Kraft flatback paper SIS PSA nanomarkers with with up-shifting phos- company identifier phorus taggants dispersed therein; printed with a 2D barcode
  • TABLE 3 Tapes comprising taggants in the backing, nanomarkers in a printable coating layer, and an adhesive that destroys fibers in the carton when peeled therefrom.
  • Trial Backing Adhesive Printable Coating Layer 8 Kraft flatback paper water activated nanomarkers with with up-shifting phos- adhesive company identifier phorus taggants dispersed therein; printed with a QR code 9 Kraft flatback - fiber- water activated nanomarkers with glass reinforced paper adhesive company identifier with up-shifting phos- dispersed therein; phorus taggants printed with a 2D barcode 10 Kraft flatback - PET water activated nanomarkers with reinforced paper with adhesive company identifier up-shifting phosphorus dispersed therein; taggants printed with an HD barcode
  • TABLE 8 Tapes comprising taggants and nanomarkers in a coating layer and an adhesive that destroys fibers in the carton when peeled therefrom.
  • Trial Backing Adhesive Coating Layer 27 Kraft flatback water activated has taggants and nanomarkers paper adhesive dispersed therein 28 Kraft flatback water activated has taggants and nanomarkers fiberglass adhesive dispersed therein reinforced paper
  • any of the polymeric film backing layers set forth above may include reinforcing elements, including but not limited to fiberglass or polyethylene terephthalate fibers.
  • the carton sealing tapes disclosed herein provide multiple advantages such as tape authentication from the presence of the taggants, as well as a level of forensic value for validation of product.
  • the printed coded identification information such as the barcodes or QR codes, provide the ability to embed data on the tape allowing tracking and traceability dependent on a user scanning the code with an electronic device 50 , for example a hand held device such as a cell phone or tablet, prior to removing the tape or opening the carton by tearing the tape.
  • the track and trace capability uses software that can read the information stored in the barcode, QR code, or the like, and verify the authenticity of the tape and the data stored in the coded identification information as shown in the screen shot provided as FIG. 7 .
  • the particles with company identifier provide covert identification protection for consumers and an additional forensic validation for potential trademark violations depending upon the design of the company identifier on the particles.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Mechanical Engineering (AREA)

Abstract

Various carton sealing tapes are disclosed that have a plurality of security features, at least two of which include nanomarker particles having identification indicia visible under about 100 to about 400 times magnification and taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum included in the same or different layers of the tape structure depending upon the selection of the backing material for the substrate of the tape. The carton sealing tapes are also printable for inclusion of a consecutive sequence of coded identification information in the form of a barcode or a 2D code.

Description

RELATED APPLICATIONS
This application claims the benefit of U.S. Application No. 62/317,661, filed Apr. 4, 2016, incorporated herein by reference in its entirety.
FIELD OF THE INVENTION
The present invention relates to an adhesive tape, in particular, carton sealing tape with a plurality of security features.
BACKGROUND OF THE INVENTION
Adhesive tapes are well known in the art. In recent years, attempts have been made to provide carton sealing tapes with features evidencing tampering. However, more reliable, anti-counterfeiting measures are needed for carton sealing tapes.
SUMMARY OF THE INVENTION
One aspect of the invention is a carton sealing tape having a paper backing that has a major top surface and an opposing major bottom surface, a layer of a water activatable adhesive generally covering the bottom surface of the paper backing, and an ink composition printed on the top surface of the paper backing. The ink composition includes nanomarker particles having identification indicia visible under about 100 to about 400 times magnification, and either the paper backing or the ink composition includes taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum in either the paper backing or the ink composition. The company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase, and the taggants are up-shifting phosphorus. The ink composition is printed on the top surface of the tape as a consecutive sequence of coded identification information in the form of a barcode or a 2D code.
In another aspect, carton sealing tape is disclosed that has a backing having a major top surface and an opposing major bottom surface, a layer of an adhesive generally covering the bottom surface of the backing, a clear coat layer generally covering the top surface of the backing, and an ink composition printed on the clear coat layer. At least one of the backing, the clear coat layer, or the ink composition comprises taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum, and when the backing comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification, and when the clear coat layer comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification, and when the ink composition comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification.
In all embodiments, the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase, and the ink composition printed on the clear coat layer comprises a consecutive sequence of coded identification information in the form of a barcode or a 2D code. In one embodiment, the layer of adhesive is a water activatable adhesive, and the backing comprises paper. In another embodiment, the layer of adhesive is a pressure sensitive adhesive and the clear coat layer is a printable release layer.
In another aspect, carton sealing tapes are disclosed that have a polymeric film backing having a major top surface and an opposing major bottom surface, wherein the top surface comprises a material configured to receive an ink composition, a layer of adhesive generally covering the bottom surface of the backing, and taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum and nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification dispersed together throughout the backing or the layer of adhesive, or the taggants in the backing and the nanomarkers in the layer of adhesive, or the nanomarkers in the backing and the taggants in the layer of adhesive.
In one embodiment, the layer of adhesive is a pressure sensitive adhesive and the top surface comprises a printable release layer. Here, the printable release layer may be printed with a consecutive sequence of coded identification information such as a barcode or a 2D code.
In all embodiments, the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase, and the adhesive material in the adhesive layer bonds to fibers in a carton, thereby tearing away a portion of the carton when the tape is peeled from the carton. The backing may further comprise reinforcing elements such as fiberglass or polyethylene terephthalate fibers, and the adhesive material is a natural rubber-styrene-isoprene-styrene blend pressure sensitive adhesive, a water activated adhesive, styrene-isoprene-styrene pressure sensitive adhesive, a natural rubber pressure sensitive adhesive, or an acrylic pressure sensitive adhesive.
One aspect of the invention is a carton sealing tape having a pressure sensitive or water activated adhesive with embedded taggants in the tape backing, whether paper or film, and particles dispersed in the release coating that are visible under magnification of about 100 to about 400 times. The taggants are invisible to the human eye under natural or room lighting, but when a reader emitting a pre-selected wavelength of electromagnetic radiation, for example, an infrared wavelength, is utilized, the fluorescence of the taggants is readable by the reader. The particles dispersed in the release coating are also invisible to the human eye. The particles include a company name, company logo, company trademark, or other indicia identifying the manufacturer of the tape and/or the manufacturer of a product enclosed within the carton, which is sealed by the carton sealing tape. The non-adhesive face of the carton sealing tape is printable in-line with an identification code, such as a barcode or 2D code, with consecutive sequential variations in the identification codes. The identification codes include information such as the origin of the carton and its destination, which provide track and trace capability.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of a roll of carton sealing tape for one embodiment of the invention, which has a water activated adhesive and QR codes printed thereon.
FIG. 2 is an enlarged cross-sectional view of the carton sealing tape of FIG. 1, taken at line 2-2, illustrating the layers thereof.
FIGS. 3A-3C are top, plan views of a section of three different carton sealing tapes, illustrating different examples of identification codes.
FIG. 4 is a photograph of a strip of carton sealing tape applied to a carton and partially peeled away demonstrating the strong bond to the fibers of the carton, some of which peel away with the tape.
FIG. 5 is a photograph of a reader seated on the carton sealing tape on a carton to read the taggants in the backing of the tape.
FIG. 6 is a photograph of a hand held device reading or imaging the identification code.
FIG. 7 is a screen shot from the hand held device showing that the coded information captured according to FIG. 6 has been authenticated.
 DETAILED DESCRIPTION
The following detailed description will illustrate the general principles of the invention, examples of which are additionally illustrated in the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements.
FIG. 1 illustrates a roll 10 of carton sealing tape 30 that has a plurality of security features included therein. The carton sealing tape 30 is wound on a core 18 to form the roll 10. The carton sealing tape 30, as seen in the cross-section of FIG. 2, includes a plurality of layers applied to a tape backing 12 (also referred to as a substrate). The tape backing 12 has a top surface 32 and a bottom surface 34, which define opposing major surfaces of the tape structure. The bottom surface 34 of the tape backing 12 has an adhesive layer 14 applied thereto, and as such defines an adhesive face 40 and functional layer of the tape 30. The top surface 32 of the tape backing 12 has a coating layer 16, which defines a non-adhesive face 42 of the tape 30. The adhesive layer 14 and the coating layer 16 are applied to the tape backing 12 using known techniques at coat weights acceptable for carton sealing tapes. The adhesive layer 14 and the coating layer 16 generally cover the entirety of the respective surface of the tape backing 12. In water-activated tape (WAT) embodiments, the coating layer 16 is clear coat. In pressure sensitive adhesive (PSA) tapes, the coating layer 16 is a printable release layer.
The plurality of security features incorporated into tape 30 include at least two of: (i) an adhesive layer 14 formulated to destroy fibers in the carton when the tape is peeled from the carton; (ii) reinforcement elements in the adhesive tape backing 12; (iii) taggants, especially taggants visible only upon exposure to a pre-selected wavelength outside the visible spectrum; (iv) particles having a company name, logo, trademark, or other indicia identifying a manufacturer of the tape and/or a product enclosed within the carton, which are only visible under about 100 to about 400 times magnification (“nanomarkers”); and (v) an in-line printable non-adhesive face printed with coded information 36 to provide track and trace capability as shown in FIGS. 1 and 3A-3C. In one embodiment, the tape 30 includes at least (iii) and (iv) as the plurality of security features, and often includes (i) and (v) as additional security features. Various combinations of these security features are set forth below in the working examples as well as the options for the location of the taggants and the nanomarkers within the tape structure, which varies depending upon whether the tape is a WAT or a PSA carton sealing tape.
For the carton sealing tape, the tape backing 12 may be a creped paper, synthetic substrate, or other materials known to one of skill in the art as suitable for a backing layer. In one embodiment, the tape backing is a creped paper web, optionally reinforced with fiberglass fibers or polyethylene terephthalate fibers, such as a creped Northern Bleached Softwood Kraft paper. In another embodiment, the tape backing is a clear film backing, which allows the adhesive to be visible therethrough, rendering the adhesive capable of including the taggants and/or the nanomarkers dispersed therein. Example clear film backing includes biaxially oriented polypropylene (BOPP) film, polyethylene terephthalate (PET) film, a polyethylene (PE) film, a film made of a blend of PP and PE.
The security feature of taggants in the tape 30 provides authentication of the tape and the original seal made on a carton by the tape. The taggant may be incorporated in the tape structure as part of the tape backing 12 itself, i.e., included therein during its manufacturing process, or applied thereto by soaking, immersing, coating, and/or dipping the tape backing 12 with/in a solution thereof. When the backing is creped paper, such a Kraft flatback paper, the taggants may be added during the paper making process, in particular in to the paper pulp. When the backing is a film, the taggants may be blended into the molten polymers. For both a paper backing and a film backing, the taggants be dispersed within a coating that applied to the top surface of the backing or within an ink composition that is printed onto the tape.
The taggants are invisible to the human eye under natural or room lighting, but fluoresce when a reader or detector 46 emitting a pre-selected wavelength of electromagnetic radiation, for example, an infrared wavelength or UV wavelength, as shown in FIG. 5 is placed on the tape. The fluorescence of the taggants are readable by the reader 46. The tape 30 having a QR code 36 is applied to a carton 44 and has the detector 46 held against the tape by a user. In one embodiment, the taggants are fluorophores, such as an up-shifting phosphorus material that fluoresce upon exposure to infrared light. In another embodiment, the taggants are radio-wave taggants. The detection system and/or the detector includes a spectrometer, XRF (X-ray fluorescence), or laser detection devices, either tabletop or handheld. The taggants may have an average particle size of less than 25 μm, less than 15 μm, or less than 10 μm.
As shown in FIGS. 1-2, the adhesive layer 14 generally covers the bottom surface 34 of tape backing 12 in its entirety. As one of the security features of the tape, the adhesive material in the adhesive layer 14 bonds to fibers in a carton 44, thereby tearing away a portion of the carton 45 when the tape is peeled from the carton 44 as shown in FIG. 4. This makes tampering with a carton evident, as the carton's surface under the tape is marred upon its removal, which is readily visible. The adhesive layer 14 may be applied to tape backing 12 as a solvent-cast, aqueous, solventless, or molten film or as a coating layer using either extrusion, any manner of roll, knife, rod, or blade coating, curtain coating or any other known method. In one embodiment, the adhesive coating layer thickness may range from about 0.1 mil to about 2.5 mil. The adhesive may be a pressure sensitive adhesives (PSA) such as a natural rubber adhesive, a synthetic rubber, or an acrylic, or it may be a water activated adhesive. In one embodiment, the adhesive material is a blend of a natural rubber and a styrene-isoprene-styrene block copolymer (SIS). In another embodiment, the adhesive material is the natural rubber adhesive or the styrene-isoprene-styrene block copolymer (SIS).
As used herein “water activated adhesive,” includes adhesives, or other adhesives that are activated upon the application of a liquid thereto because the adhesive is of a kind that becomes tacky when moistened. The liquid may be water, but is not limited thereto.
The tape 30 optionally includes a coating layer 16, such as a release layer, for example a silicone release coating if the adhesive is a PSA, which allows the tape to be self-winding into rolls or a clear coat layer if the adhesive is a water activated adhesive. The release layer 16 is not limited to a silicone release coating, but may be any other suitable release system known to one of skill in the adhesive and/or tape art so long as it will not obscure detection of the taggants and/or nanomarker when dispersed therein. In one embodiment, a dispersing agent is present in an effective amount to generally uniformly disperse the taggants and/or nanomarkers throughout the release layer.
The non-adhesive face of the carton sealing tape is printable, in particular it is printable in-line with an identification code, such as a barcode or 2D code, with consecutive sequential variations in the identification codes. The identification codes include information such as the origin of the carton and its destination, which provide track and trace capability.
The layers of the tape 30 are simultaneously or sequentially applied to the tape backing 12, in any order, using known techniques.
WORKING EXAMPLES
TABLE 1
TABLE 1: Tapes comprising taggants in the backing,
nanomarkers in the ink, and an adhesive that destroys
fibers in the carton when peeled therefrom.
Trial Backing Adhesive Print on the Backing
1 Kraft flatback paper natural rubber/ printed QR code -
with up-shifting phos- SIS blend PSA ink has nanomarkers
phorus taggants
2 Kraft flatback paper SIS PSA printed HD barcode -
with up-shifting phos- ink has nanomarkers
phorus taggants
3 Kraft flatback paper water activated printed 2D barcode -
with up-shifting phos- adhesive ink has nanomarkers
phorus taggants
4 Kraft flatback fiber- water activated printed QR code -
glass reinforced paper adhesive ink has nanomarkers
with up-shifting phos-
phorus taggants
TABLE 2
TABLE 2: Tapes comprising taggants in the backing, nanomarkers
in a printable release layer, and an adhesive that destroys
fibers in the carton when peeled therefrom.
Trial Backing Adhesive Printable release layer
5 Kraft flatback - PET natural rubber/ nanomarkers with
reinforced paper with SIS blend PSA company identifier
up-shifting phosphorus dispersed therein;
taggants printed with a QR code
6 Kraft flatback paper natural rubber/ nanomarkers with
with up-shifting phos- SIS blend PSA company identifier
phorus taggants dispersed therein;
printed with an HD
barcode
7 Kraft flatback paper SIS PSA nanomarkers with
with up-shifting phos- company identifier
phorus taggants dispersed therein;
printed with a 2D
barcode
TABLE 3
TABLE 3: Tapes comprising taggants in the backing, nanomarkers
in a printable coating layer, and an adhesive that destroys
fibers in the carton when peeled therefrom.
Trial Backing Adhesive Printable Coating Layer
8 Kraft flatback paper water activated nanomarkers with
with up-shifting phos- adhesive company identifier
phorus taggants dispersed therein;
printed with a QR code
9 Kraft flatback - fiber- water activated nanomarkers with
glass reinforced paper adhesive company identifier
with up-shifting phos- dispersed therein;
phorus taggants printed with a 2D
barcode
10 Kraft flatback - PET water activated nanomarkers with
reinforced paper with adhesive company identifier
up-shifting phosphorus dispersed therein;
taggants printed with an HD
barcode
TABLE 4
TABLE 4: Tapes comprising taggants in the backing, nanomarkers
in ink printed on the release layer, and an adhesive that
destroys fibers in the carton when peeled therefrom.
Trial Backing Adhesive Printable release layer
11 BOPP film with up- natural printed with a QR code;
shifting phosphorus rubber PSA ink has nanomarkers
taggants
12 BOPP film with up- SIS PSA printed with an HD code;
shifting phosphorus ink has nanomarkers
taggants
13 PET film with up- natural printed with a QR code;
shifting phosphorus rubber PSA ink has nanomarkers
taggants
14 PET film with up- SIS PSA printed with an HD code;
shifting phosphorus ink has nanomarkers
taggants
TABLE 5
TABLE 5: Tapes comprising taggants in the backing, nanomarkers
in a printable coating layer, and an adhesive that destroys
fibers in the carton when peeled therefrom.
Trial Backing Adhesive Printable release layer
15 BOPP film with up- Acrylic nanomarkers with company
shifting phosphorus PSA identifier dispersed therein;
taggants printed with a 2D code
16 PET film with up- Acrylic nanomarkers with company
shifting phosphorus PSA identifier dispersed therein;
taggants printed with a 2D code
TABLE 6
TABLE 6: Tapes comprising taggants and nanomarkers in
the ink printed on the backing and an adhesive that destroys
fibers in the carton when peeled therefrom.
Trial Backing Adhesive Print on the Backing
17 Kraft flatback water activated printed 2D barcode -
paper adhesive ink has taggants and
nanomarkers
18 Kraft flatback water activated printed QR code -
fiberglass adhesive ink has taggants and
reinforced paper nanomarkers
TABLE 7
TABLE 7: Tapes comprising taggants and nanomarkers in the
ink printed on a printable release layer and an adhesive
that destroys fibers in the carton when peeled therefrom.
Trial Backing Adhesive Printable release layer
19 Kraft flatback natural rubber/ printed QR code -
paper SIS blend PSA ink has taggants and
nanomarkers
20 Kraft flatback SIS PSA printed HD barcode -
paper ink has taggants and
nanomarkers
21 BOPP film natural rubber printed with a QR code;
PSA ink has taggants and
nanomarkers
22 BOPP film SIS PSA printed with an HD code;
ink has taggants and
nanomarkers
23 PET film natural rubber printed with a QR code;
PSA ink has taggants and
nanomarkers
24 PET film SIS PSA printed with an HD code;
ink has taggants and
nanomarkers
25 BOPP film Acrylic PSA printed with a 2D code;
ink has taggants and
nanomarkers
26 PET film Acrylic PSA printed with a 2D code;
ink has taggants and
nanomarkers
TABLE 8
TABLE 8: Tapes comprising taggants and nanomarkers
in a coating layer and an adhesive that destroys
fibers in the carton when peeled therefrom.
Trial Backing Adhesive Coating Layer
27 Kraft flatback water activated has taggants and nanomarkers
paper adhesive dispersed therein
28 Kraft flatback water activated has taggants and nanomarkers
fiberglass adhesive dispersed therein
reinforced paper
TABLE 9
TABLE 9: Tapes comprising taggants and nanomarkers in a film backing
and a pressure sensitive adhesive and a release layer.
Trial Backing Adhesive Printable Release Coat
29 BOPP film has taggants PSA printed with a QR code
and nanomarkers
30 BOPP film has taggants PSA printed with an HD code
and nanomarkers
31 BOPP film has taggants PSA printed with a 2D code
and nanomarkers
32 PET film has taggants PSA printed with a QR code
and nanomarkers
33 PET film has taggants PSA printed with an HD code
and nanomarkers
34 PET film has taggants PSA printed with a 2D code
and nanomarkers
TABLE 10
TABLE 10: Tapes comprising taggants in a film backing
and a pressure sensitive adhesive having nanomarkers dispersed
therein and a release layer, and vice versa.
Trial Backing Adhesive Printable Release Coat
35 BOPP film has PSA has nanomarkers printed with a QR code
taggants
36 BOPP film has PSA has nanomarkers printed with an HD code
taggants
37 BOPP film has PSA has nanomarkers printed with a 2D code
taggants
38 PET film has PSA has nanomarkers printed with a QR code
taggants
39 PET film has PSA has nanomarkers printed with an HD code
taggants
40 PET film has PSA has nanomarkers printed with a 2D code
taggants
41 BOPP film has PSA has taggants printed with a QR code
nanomarkers
42 BOPP film has PSA has taggants printed with an HD code
nanomarkers
43 BOPP film has PSA has taggants printed with a 2D code
nanomarkers
44 PET film has PSA has taggants printed with a QR code
nanomarkers
45 PET film has PSA has taggants printed with an HD code
nanomarkers
46 PET film has PSA has taggants printed with a 2D code
nanomarkers
TABLE 11
TABLE 11: Tapes comprising a clear film backing and a pressure
sensitive adhesive having taggants and nanomarkers dispersed
therein and a clear release layer, and vice versa.
Trial Backing Adhesive Printable Release Coat
47 BOPP film PSA has taggants and printed with a QR code
nanomarkers
48 BOPP film PSA has taggants and printed with an HD code
nanomarkers
49 BOPP film PSA has taggants and printed with a 2D code
nanomarkers
50 PET film PSA has taggants and printed with a QR code
nanomarkers
51 PET film PSA has taggants and printed with an HD code
nanomarkers
52 PET film PSA has taggants and printed with a 2D code
nanomarkers
Any of the polymeric film backing layers set forth above may include reinforcing elements, including but not limited to fiberglass or polyethylene terephthalate fibers.
The carton sealing tapes disclosed herein provide multiple advantages such as tape authentication from the presence of the taggants, as well as a level of forensic value for validation of product. The printed coded identification information, such as the barcodes or QR codes, provide the ability to embed data on the tape allowing tracking and traceability dependent on a user scanning the code with an electronic device 50, for example a hand held device such as a cell phone or tablet, prior to removing the tape or opening the carton by tearing the tape. The track and trace capability uses software that can read the information stored in the barcode, QR code, or the like, and verify the authenticity of the tape and the data stored in the coded identification information as shown in the screen shot provided as FIG. 7. The particles with company identifier provide covert identification protection for consumers and an additional forensic validation for potential trademark violations depending upon the design of the company identifier on the particles.
Having described the invention in detail and by reference to preferred embodiments, it will be apparent that modifications and variations thereof are possible without departing from the scope of this invention.

Claims (19)

What is claimed:
1. A carton sealing tape comprising:
a polymeric film backing having a major top surface and an opposing major bottom surface, wherein the top surface comprises a material configured to receive an ink composition,
a layer of adhesive generally covering the bottom surface of the backing; and
taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum and nanomarker particles invisible to the human eye having company identification indicia visible under about 100 to about 400 times magnification dispersed together throughout the backing or the layer of adhesive, or the taggants in the backing and the nanomarker particles in the layer of adhesive, or the nanomarker particles in the backing and the taggants in the layer of adhesive.
2. The carton sealing tape of claim 1, wherein the layer of adhesive is a pressure sensitive adhesive and the top surface comprises a printable release layer.
3. The carton sealing tape of claim 2, wherein the printable release layer is printed with a consecutive sequence of coded identification information.
4. The carton sealing tape of claim 3, wherein the coded identification information is a barcode or a 2D code.
5. The carton sealing tape of claim 1, wherein the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase.
6. The carton sealing tape of claim 1, wherein adhesive material in the layer of adhesive bonds to fibers in a carton, thereby tearing away a portion of the carton when the carton sealing tape is peeled from the carton.
7. The carton sealing tape of claim 6, wherein the backing further comprises reinforcing elements.
8. The carton sealing tape of claim 7, wherein the reinforcing elements are fiberglass or polyethylene terephthalate fibers.
9. The carton sealing tape of claim 6, wherein the adhesive material is a natural rubber-styrene-isoprene-styrene blend pressure sensitive adhesive, styrene-isoprene-styrene pressure sensitive adhesive, a natural rubber pressure sensitive adhesive, or an acrylic pressure sensitive adhesive.
10. The carton sealing tape of claim 1, wherein the backing comprises a biaxially-oriented polypropylene film or a polyethylene terephthalate film.
11. A carton sealing tape comprising:
a backing having a major top surface and an opposing major bottom surface,
a layer of adhesive generally covering the bottom surface of the backing;
a clear coat layer generally covering the top surface of the backing;
an ink composition printed on the clear coat layer;
wherein at least one of the backing, the clear coat layer, or the ink composition comprises taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum;
wherein when the backing comprises the taggants, the clear coat layer or the ink composition comprises nanomarker particles having company identification indicia visible under about 100 to about 400 times magnification;
wherein when the clear coat layer comprises the taggants, the clear coat layer or the ink composition comprises the nanomarker particles having the company identification indicia visible under about 100 to about 400 times magnification; and
wherein when the ink composition comprises the taggants, the clear coat layer or the ink composition comprises the nanomarker particles having the company identification indicia visible under about 100 to about 400 times magnification; and
wherein the nanomarker particles are invisible to the human eye.
12. The carton sealing tape of claim 11, wherein the company identification indicia on the nanomarker particles is one or more of a company name, company logo, company trademark, or company phrase.
13. The carton sealing tape of claim 11, wherein the layer of adhesive is a water activatable adhesive, and the backing comprises paper.
14. The carton sealing tape of claim 11, wherein the layer of adhesive is a pressure sensitive adhesive and the clear coat layer is a printable release layer.
15. The carton sealing tape of claim 11, wherein the ink composition printed on the clear coat layer comprises a consecutive sequence of coded identification information in the form of a barcode or a 2D code.
16. A carton sealing tape comprising:
a paper backing having a major top surface and an opposing major bottom surface,
a layer of a water activatable adhesive generally covering the bottom surface of the paper backing;
an ink composition printed on the top surface of the paper backing, the ink composition comprising nanomarker particles invisible to the human eye having identification indicia visible under about 100 to about 400 times magnification; and
taggants visible upon exposure to a pre-selected wavelength outside the visible spectrum in either the paper backing or the ink composition.
17. The carton sealing tape of claim 16, wherein the identification indicia on the nanomarker particles is company identification indicia having one or more of a company name, company logo, company trademark, or company phrase.
18. The carton sealing tape of claim 16, wherein the taggants are up-shifting phosphorus.
19. The carton sealing tape of claim 16, wherein the ink composition printed on the top surface comprises a consecutive sequence of coded identification information in the form of a barcode or a 2D code.
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