Connect public, paid and private patent data with Google Patents Public Datasets

Packaging material, method of making it, and package and therefrom

Download PDF

Info

Publication number
US20040170773A1
US20040170773A1 US10794100 US79410004A US2004170773A1 US 20040170773 A1 US20040170773 A1 US 20040170773A1 US 10794100 US10794100 US 10794100 US 79410004 A US79410004 A US 79410004A US 2004170773 A1 US2004170773 A1 US 2004170773A1
Authority
US
Grant status
Application
Patent type
Prior art keywords
coating
material
seal
cold
package
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10794100
Inventor
Scott Huffer
Jeffrey Schuetz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonoco Development Inc
Original Assignee
Sonoco Development Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02Wrappers or flexible covers
    • B65D65/14Wrappers or flexible covers with areas coated with adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • Y10T428/1383Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers [continuous layer]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1386Natural or synthetic rubber or rubber-like compound containing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/14Layer or component removable to expose adhesive
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2809Web or sheet containing structurally defined element or component and having an adhesive outermost layer including irradiated or wave energy treated component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852Adhesive compositions
    • Y10T428/287Adhesive compositions including epoxy group or epoxy polymer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852Adhesive compositions
    • Y10T428/2878Adhesive compositions including addition polymer from unsaturated monomer
    • Y10T428/2883Adhesive compositions including addition polymer from unsaturated monomer including addition polymer of diene monomer [e.g., SBR, SIS, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31511Of epoxy ether
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31826Of natural rubber
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31826Of natural rubber
    • Y10T428/31833Next to aldehyde or ketone condensation product or addition polymer from unsaturated monomers
    • Y10T428/31837Including polyene monomers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31826Of natural rubber
    • Y10T428/31841Next to cellulosic
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31909Next to second addition polymer from unsaturated monomers
    • Y10T428/31913Monoolefin polymer
    • Y10T428/31917Next to polyene polymer

Abstract

A packaging material, a method of making such a material, and a package made from such material, are disclosed. A substrate comprises at least one sheet of plastic material. An energy-curable coating is applied to one side of the substrate, which will be the outside of the eventual package. The energy-curable coating is cured by exposing it to an electron beam or other appropriate energy. A cold-seal cohesive coating is applied to the other side of the substrate. The package is formed by pressing together portions of the inside surface of at least one sheet of the material having the cold-seal cohesive coating on them to form a seal. Preferably, the cold-seal cohesive coating is applied only to those portions of the material that are to form seams in the eventual package.

Description

    FIELD OF THE INVENTION
  • [0001]
    The invention relates to a cold-sealable packaging material, especially to one suitable for packaging candy bars and other confectionery.
  • BACKGROUND OF THE INVENTION
  • [0002]
    Cold-sealable materials are known for packaging products that would be adversely affected by exposure to heat, such as might occur during heat-sealing of a package, after the product has been produced. Candy bars with an external chocolate coating are an example of such a product.
  • [0003]
    Previously used cold-seal packaging materials typically use one of two structures. One structure comprises a layer of white oriented polypropylene (OPP) material, with ink printing on the outside, covered by a layer of lacquer, and a rubber latex cold seal coating on the inside. Another structure comprises a laminate of a white OPP ply and a clear OPP ply, bonded together by an adhesive, with a rubber latex cold seal coating on the exposed, inside, face of the white OPP ply. The clear OPP ply is reverse printed. Both of these structures present a number of problems. With the laminated structure, when the material is stored in rolls, the cold seal coating lies against the clear OPP outer ply, and it is difficult to prevent the cold seal coating from offsetting onto the outer ply when the material is unrolled. Special measures can be taken when applying the coating to ensure that the coating bonds securely to the white OPP ply, so that it will remain attached to that ply and not offset onto the outer ply. However, such measures increase the cost and complication of manufacture. The lacquer in the single-ply structure can be formulated to act as a release layer, but previously used lacquers often contain mobile additives. Such additives may poison the cold seal coating while the packaging material is stored in rolls and the cold seal coating is in contact with the lacquer, or may migrate through the packaging and contaminate the contents in use. Such lacquers are also not very stable, and have a limited life, because of the loss of volatile or migratory components.
  • SUMMARY OF THE INVENTION
  • [0004]
    The present invention relates to a packaging material that avoids, or at least reduces, some of the problems of the previously proposed materials.
  • [0005]
    In one aspect, the invention provides a packaging material, and a method of making such a material. A substrate comprises at least one sheet of plastic material. An energy-curable coating is applied to one side of the substrate, which will be the outside of the eventual package. The energy-curable coating is cured by exposing it to a suitable energy. A cold-seal cohesive coating is applied to the other side of the substrate.
  • [0006]
    The substrate may be printed with ink and the ink covered and protected by the energy-cured coating. This structure replaces a laminated structure that incorporates a clear outer ply which is printed on the inside of that ply or the facing surface of the next ply.
  • [0007]
    In another aspect of the invention, a package is formed from the packaging material. Portions of the inside surface of at least one sheet of the material having the cold-seal cohesive coating on them are pressed together to form a seal.
  • [0008]
    Preferably, the cold-seal cohesive coating is applied only to those portions of the material that are to form seams in the eventual package.
  • [0009]
    Preferably, the energy-curable coating is a coating that is cross-linked when irradiated with an electron beam.
  • [0010]
    The foregoing and other features and advantages of the present invention will become more apparent in light of the following detailed description of the preferred embodiments thereof, as illustrated in the accompanying figures.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0011]
    [0011]FIG. 1 is an oblique view of a package according to the present invention.
  • [0012]
    [0012]FIG. 2 is a cross-section through one embodiment of packaging material according to the invention.
  • [0013]
    [0013]FIG. 3 is a cross-section through another embodiment of packaging material according to the invention.
  • DETAILED DESCRIPTIONS OF THE DRAWINGS
  • [0014]
    Referring to the drawings, and initially to FIG. 1, one form of package according to the present invention is shown and indicated generally by the reference numeral 10. The package 10 comprises a sheet 12 of packaging material, enclosing contents 14, which may be a candy bar. As shown in FIG. 1, the sheet 12 is wrapped round the contents 14, and its side edges are turned up to form flanges 16, which are joined and sealed together with their inside surfaces face-to-face by a cold seal 18, to form a generally tubular shape. The ends of the tube are flattened, and joined and sealed together by cold seals 20. A storage space, containing the contents 14, is thus defined by the area within the sheet 12 and within the seals 18 and 20. The storage space is sealed off from the surrounding environment.
  • [0015]
    If the contents 14 are a solid object such a s a candy bar, the package may be formed round the contents, substantially in the order in which it has been described. If the contents 14 are loose objects such as small pieces of candy, then the package may be formed into a bag, by sealing the longitudinal seal 18 and one end seal 20, filled, and then closed by sealing the other end seal 20. In either case, the material for the sheet 12 may be provided in the form of a long strip, with the flanges 16 formed by the side edges of the sheet, and may be cut into lengths immediately before, or after, the end seals 20 are formed. Machines for forming and sealing such packages are available commercially, and the process will not be further described here.
  • [0016]
    The sheet 12 of the package 10 can be manufactured from a structure as shown in FIG. 2 based on a single ply of plastic material, or from a laminate structure as shown in FIG. 3.
  • [0017]
    Referring now to FIG. 2, the first form of packaging material has a substrate consisting of a single ply 34 of white oriented polypropylene (OPP) material. Ink printing 36 is applied to the outer surface of the OPP ply 34. As shown in FIG. 2, the ink is applied in discrete areas, allowing the white color of the OPP ply 34 to be seen as a background, but it may instead be applied in a continuous layer. The ink may be a conventional ink suitable for printing on OPP and may be applied by printing processes known for the purpose.
  • [0018]
    The outside of the OPP ply 34 is covered, over the printing 36, with a layer of electron-beam curable (EB) coating 38, which will be described in more detail below. The coating 38 is cured immediately after being applied. It forms a protective layer, preventing the printing from becoming smudged or abraded in handling, and also serves as a release layer for the cold seal coating to be discussed below.
  • [0019]
    A cold seal coating 40 is applied to the inside surface of the white OPP ply 34. The cold seal coating 40 may be a continuous layer, but preferably, as shown in FIG. 2, it is pattern-applied at only those places where a seal is to be formed. That entails maintaining register between the back side with the cold seal coating and the front side with the printing. Preferably, the cold seal coating machine is a flexographic or rotogravure printing machine forming part of the same production line as, and is mechanically synchronized with, the printing press for the ink printing 36. Flexographic and rotogravure printing machines are well known in the art and, in the interests of conciseness, will not be described here. The package forming and cutting machine can then be kept in register with the cold seal pattern in exactly the same way as it is kept in register with the ink printing on the other side of the material. Instead, the ink printing 36 may be applied first, and the cold seal coating machine and the package forming and cutting machine may separately be kept in register with the printing. Methods of, and apparatus for, keeping subsequent machines in register with a printed pattern are well known in the art and, in the interests of conciseness, will not be described here. Pattern-applying the cold seal has the advantages that far less cold seal coating is used, and that the cold seal coating does not contact the contents of the package 10, or does so only along very narrow areas at the seams. Pattern-applying the cold seal 40 will be necessary for some uses, especially food uses, where more than minimal contact between the contents 14 of the package 10 and the cold seal coating 40 will not be acceptable.
  • [0020]
    Referring now to FIG. 3, the second form of packaging material has a substrate comprising a laminate of an inner ply 42 of white OPP material and an outer ply 44 of clear OPP material, laminated together by a layer 46 of a suitable adhesive. The ink printing 36 is applied to the inner surface of the outer OPP ply 44. As with the first form of material shown in FIG. 2, the ink is applied in discrete areas, allowing the white color of the inner OPP ply 42 to be seen as a background, but it may instead be applied in a continuous layer. Instead, the ink printing 36 may be applied to the outer surface of the inner OPP ply 42, provided that the adhesive 46 is sufficiently clear that it will not obscure the printing.
  • [0021]
    The outside of the outer OPP ply 44 is covered with a layer of EB coating 38. In this structure it is not needed to protect the ink 36, but it forms a protective layer for the outer surface of the OPP laminate, and serves as a release layer for the cold seal coating to be discussed below.
  • [0022]
    The adhesive 46 is a solvent based adhesive based on two aliphatic component materials that have the chemical composition of a polyol and an isocyanate. Both of these components can be based on chemicals that are low enough in molecular weight to be applied to the films without needing solvents for dilution and application. The chemical constituents are still found to be 21 C.F.R. § 177.1390 and § 175.105 approved where needed within the package, and so may be used in food packaging.
  • [0023]
    The cold-seal coating 40 used in either form of the packaging material shown in FIGS. 2 and 3 may be based on rubber latex, but is preferably based on uncured isoprene or styrene butadiene rubber. These synthetic rubbers are more stable than natural rubber, allowing a material with a longer life, are more consistent, and do not present the risk of allergic reactions, and even anaphylactic shock, experienced by some people with natural latex products. The coating 40 is preferably a cohesive material. A cohesive material is defined as a material that adheres strongly to another surface of the same material and only weakly to other surfaces, and that when peeled apart fails primarily by separating at the interface between the two cohesive coatings, rather than by either coating detaching from its substrate. In order to ensure adhesion of the coating 40 to its substrate, approximately 20% of acrylate or ethylene vinyl acetate monomers may be added to the coating material, to act as a surfactant and adhesive. For application, the coating 40 is formed into an emulsion with water, at a consistency that can be applied with a conventional rotogravure printing press. The coating is applied at a thickness of 5 to 7 microns (about 0.2 to 0.3 mils).
  • [0024]
    In either of the packaging materials 30 or 32, the electron beam curable coating 38 may comprise a number of species of suitable compounds. The materials best suited for the coating 40 are a combination of oligomers and monomers. The preferred oligomer is an epoxy acrylate. The preferred monomer is acrylate. The monomers act as diluents, used to reduce the viscosity of the coating for purposes of application. The concentration of monomer may be adjusted to provide a wide range of viscosity, such that many coating systems may be employed to apply the EB coating.
  • [0025]
    The electron beam curable coating 40 is cured using a suitable electron beam source. Suitable electron beam sources may be obtained commercially from Energy Science, Inc. of Wilmington, Mass. The electron energy output should be within the range of 110 kV to 135 kV at a dosage of 2.5 to 5.0 megarads. Preferably, the energy is within the range of 125 kV to 135 kV at a dosage of 3.0 to 4.0 megarads.
  • [0026]
    When exposed to an electron beam from a suitable source, acrylate monomer reacts into the epoxy acrylate chain to form cross-links. The cross-linking requires no initiator compounds. Therefore no residual volatile organic compounds are present in the finished product. Curing is substantially instantaneous and provides a cure percentage at or near one hundred percent.
  • [0027]
    Various desirable additives, the exact nature of which will depend on the specifications of the packaging material 30 or 32, may also be added. Often, defoamers and slip agents are desirable. Additives may also be provided to improve qualities such as the coefficient of friction, gloss, and processing qualities. The additives included in the EB coating 40 tend to become “reacted-in” during polymerization of the coating. For example, slip agents provided to improve the coefficient of friction are fixed in the cross-linking process, and are therefore not so susceptible to the problems associated with migration. It is thus possible to use a wider range of additives, and thus to achieve unexpectedly greater control of the properties of the external surface of the packaging, than was possible with previously used lacquer coatings.
  • [0028]
    Although the invention has been described and illustrated with respect to the exemplary embodiments thereof, it should be understood by those skilled in the art that the foregoing and various other changes, omissions, and additions may be made therein and thereto, without parting from the spirit and scope of the present invention.

Claims (24)

What is claimed is:
1. A packaging material comprising:
a substrate comprising at least one sheet of plastic material;
a cold-seal cohesive coating on an inner side of the substrate; and
an energy-cured coating on an outer side of the substrate.
2. A packaging material according to claim 1, wherein the substrate comprises a laminate of at least two sheets of plastic material.
3. A according to claim 2, wherein an outer sheet of the laminate is clear, and further comprising printing on a surface between the outer sheet and an adjacent sheet.
4. A packaging material according to claim 1, further comprising printing on an outer surface of the substrate covered by the energy-cured coating.
5. A packaging material according to claim 1, wherein the cold-seal cohesive coating comprises natural rubber latex, styrene butadiene, isoprene or synthetic rubber.
6. A packaging material according to claim 1, wherein the cold-seal cohesive coating comprises a minor proportion of acrylate or ethyl vinyl acetate.
7. A packaging material according to claim 1, wherein the cold-seal cohesive coating is applied only over selected portions of the inner surface of the substrate.
8. A packaging material according to claim 1, wherein the energy cured coating is an electron-beam cured coating.
9. A packaging material according to claim 1, wherein the energy cured coating is a cross-linked epoxy acrylate coating.
10. A package comprising:
at least one sheet of packaging material comprising:
a substrate comprising at least one sheet of plastic material;
a cold-seal cohesive coating on an inner side of the substrate; and
an energy-cured coating on an outer side of the substrate;
wherein said package has at least one seam formed by portions of said cold-seal cohesive coating cohering together.
11. A package according to claim 10, wherein the substrate comprises a laminate of at least two sheets of plastic material.
12. A package according to claim 11, wherein an outer sheet of the laminate is clear, and further comprising printing on a surface between the outer sheet and an adjacent sheet.
13. A package according to claim 10, further comprising printing on an outer surface of the substrate covered by the energy-cured coating.
14. A package according to claim 10, wherein the cold-seal cohesive coating comprises natural rubber latex, styrene butadiene, isoprene or synthetic rubber.
15. A package according to claim 14, wherein the cold-seal cohesive coating comprises a minor proportion of acrylate or ethyl vinyl acetate.
16. A package according to claim 10, wherein the cold-seal cohesive coating is applied only over selected portions of the inner surface of the substrate.
17. A package according to claim 17, wherein said cold-seal cohesive coating is applied to said substrate only at said at least one seam.
18. A package according to claim 10, wherein the energy cured coating is an electron-beam cured coating.
19. A package according to claim 10, wherein the energy cured coating is a cross-linked epoxy acrylate coating.
20. A method of making a packaging material, comprising the steps of:
providing a substrate comprising at least one sheet of plastic material;
applying an energy-curable coating to one side of the substrate;
curing the energy-curable coating by exposing it to a suitable energy; and
applying a cold-seal cohesive coating to the other side of the substrate.
21. A method according to claim 20, further comprising the step of printing in ink on said at least one sheet of plastic material before applying said energy-curable coating.
22. A method according to claim 21, which comprises applying the energy-curable coating over the ink printing.
23. A method according to claim 21, comprising the steps of:
printing in ink on a sheet of plastic; and
laminating the printed sheet of plastic and another sheet of plastic together with the printing between them to form said substrate;
wherein one of said sheets of plastic forming said substrate is clear; and
applying said energy-curable coating to the exposed side of said clear sheet of plastic.
24. A method according to claim 20, wherein said step of curing comprises exposing said energy-curable coating to an electron beam.
US10794100 2001-02-07 2004-03-04 Packaging material, method of making it, and package and therefrom Abandoned US20040170773A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09778334 US7279205B2 (en) 2001-02-07 2001-02-07 Packaging material
US10794100 US20040170773A1 (en) 2001-02-07 2004-03-04 Packaging material, method of making it, and package and therefrom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10794100 US20040170773A1 (en) 2001-02-07 2004-03-04 Packaging material, method of making it, and package and therefrom

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09778334 Continuation US7279205B2 (en) 2001-02-07 2001-02-07 Packaging material

Publications (1)

Publication Number Publication Date
US20040170773A1 true true US20040170773A1 (en) 2004-09-02

Family

ID=25112991

Family Applications (3)

Application Number Title Priority Date Filing Date
US09778334 Active US7279205B2 (en) 2001-02-07 2001-02-07 Packaging material
US10702980 Active US7341643B2 (en) 2001-02-07 2003-11-06 Method of making packaging material
US10794100 Abandoned US20040170773A1 (en) 2001-02-07 2004-03-04 Packaging material, method of making it, and package and therefrom

Family Applications Before (2)

Application Number Title Priority Date Filing Date
US09778334 Active US7279205B2 (en) 2001-02-07 2001-02-07 Packaging material
US10702980 Active US7341643B2 (en) 2001-02-07 2003-11-06 Method of making packaging material

Country Status (5)

Country Link
US (3) US7279205B2 (en)
JP (1) JP4017410B2 (en)
CA (1) CA2370827C (en)
DE (2) DE60200038T2 (en)
EP (1) EP1231052B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814430B2 (en) 2010-02-23 2014-08-26 Kraft Foods R&D, Inc. Food package having opening feature
US20150197075A1 (en) * 2014-01-13 2015-07-16 Ford Global Technologies, Llc Polymeric article formed by injection compression molding

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6926951B2 (en) 2001-04-04 2005-08-09 Sonoco Development, Inc. Laminate for gum packaging
US6743492B2 (en) 2001-08-01 2004-06-01 Sonoco Development, Inc. Laminate for coffee packaging with energy cured coating
US20040244907A1 (en) * 2003-06-06 2004-12-09 Huffer Scott W. Methods of making printed labels and labeling articles
CA2530609A1 (en) * 2003-07-02 2005-01-20 Sonoco Development, Inc. Tamper evident flow wrap
US20050100753A1 (en) * 2003-11-07 2005-05-12 Reese Barry R. Mono-web directional tear packaging film
US7235294B2 (en) * 2004-02-17 2007-06-26 Bostik, Inc. Cohesive coating for snack food packaging
US20060062947A1 (en) * 2004-09-21 2006-03-23 Scott Huffer Packaging material with energy cured, hotmelt-receptive coating and package made therefrom
US20070059464A1 (en) * 2005-09-15 2007-03-15 Sonoco Development Inc., A Corporation Of South Carolina Controlled peel force packaging with pattern-applied energy-cured coating
EP1790469A1 (en) * 2005-11-29 2007-05-30 Impress Group B.V. Method for treating a laminate and the laminate obtainable by the method
US20100015300A1 (en) * 2006-06-05 2010-01-21 Mgaya Alexander P Retortable radiation-cured coatings for plastic film and metallic foil substrates
WO2009033197A1 (en) * 2007-09-10 2009-03-19 Starlinger & Co Gesellschaft M.B.H. Plastic bag
US9024724B2 (en) * 2008-11-25 2015-05-05 David MacIntosh Hood Laminate tamper evident construct
US9527619B2 (en) 2009-10-21 2016-12-27 Innovative Bottles, Inc. Biodegradable pharmacy container and safety cap
US8519018B2 (en) * 2009-10-21 2013-08-27 Innovative Bottles, Llc Biodegradable material and container for fluids
WO2012028202A1 (en) 2010-09-03 2012-03-08 Henkel Ag & Co. Kgaa Sealable multilayer film for packing materials
CN103911912B (en) * 2014-03-20 2016-06-08 汕头方大印刷包装科技有限公司 Cold Seal kink candy wrappers and manufacturing method thereof

Citations (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865664A (en) * 1973-05-31 1975-02-11 Specialty Papers Co Laminated foil candy wrapper and method of preparing
US4008115A (en) * 1976-02-25 1977-02-15 Dennison Manufacturing Company Method for making durable overcoated labels
US4070497A (en) * 1971-03-09 1978-01-24 Ppg Industries, Inc. Process of applying and curing a plurality of coatings
US4070262A (en) * 1974-05-20 1978-01-24 Mobil Oil Corporation Radiation curable coating
US4072592A (en) * 1974-05-20 1978-02-07 Mobil Oil Corporation Radiation curable coating
US4177310A (en) * 1978-07-27 1979-12-04 King Seeley Thermos Company Method of metallizing paper
US4246315A (en) * 1978-01-13 1981-01-20 Sud-West Chemie Gmbh Carrier materials impregnated with thermosetting resins, process for their manufacture and their use
US4246297A (en) * 1978-09-06 1981-01-20 Energy Sciences Inc. Process and apparatus for the curing of coatings on sensitive substrates by electron irradiation
US4288479A (en) * 1973-09-24 1981-09-08 Design Cote Corp. Radiation curable release coatings
US4330590A (en) * 1980-02-14 1982-05-18 Minnesota Mining And Manufacturing Company Photoactive mixture of acrylic monomers and chromophore-substituted halomethyl-2-triazine
US4384026A (en) * 1978-11-01 1983-05-17 General Electric Company Photocurable acrylic coated polycarbonate articles
US4410560A (en) * 1981-10-09 1983-10-18 Album Graphics, Inc. Continuous web printing apparatus, process and product thereof
US4501797A (en) * 1982-12-01 1985-02-26 American Can Company Unbalanced oriented multiple layer film
US4577205A (en) * 1984-05-25 1986-03-18 Ricoh Electronics, Inc. Releasable heat-sensitive label with E. B. setting printing ink
US4589145A (en) * 1983-10-31 1986-05-13 Signode Corporation Packaging material and package
US4654379A (en) * 1985-12-05 1987-03-31 Allied Corporation Semi-interpenetrating polymer networks
US4658963A (en) * 1984-04-20 1987-04-21 Folienwalzwerk Bruder Teich Aktiengesellschaft Package with weakened portion for opening
US4786552A (en) * 1986-07-07 1988-11-22 Avery International Corporation Curable arcylic/fumaric pressure-sensitive adhesives
US4810745A (en) * 1987-07-16 1989-03-07 Century Adhesives Corp. Cold-seal adhesives and comestible packages formed therewith
US4814215A (en) * 1986-11-07 1989-03-21 The B. F. Goodrich Company Adhesive composition, process, and product
US4851459A (en) * 1987-12-18 1989-07-25 Century Adhesives Corp. Aqueous peroxy carbamyl group containing polymer systems and methods of their production and use
US4859521A (en) * 1987-07-16 1989-08-22 Century Adhesives Corp. Cold-seal adhesives and comestible packages formed therewith
US4889884A (en) * 1988-04-18 1989-12-26 National Starch And Chemical Corporation Synthetic based cold seal adhesives
US4898787A (en) * 1987-07-02 1990-02-06 Mobil Oil Corporation Emulsion polymerized cohesive polymer latex useful as cold seal coating and improved sealable articles treated with the same
US4902370A (en) * 1988-04-18 1990-02-20 National Starch And Chemical Corporation Synthetic based cold seal adhesives
US5019202A (en) * 1987-12-15 1991-05-28 Dai Nippon Insatsu Kabushiki Kaisha Process for producing decorative sheets having embossed pattern
US5030302A (en) * 1986-04-24 1991-07-09 Teich Ag Method for making a compound foil
US5070121A (en) * 1988-04-26 1991-12-03 Schmalbach Lubeca Ag Solvent-free, low-monomer or monomer-free polymerizable hot melt composition
US5200463A (en) * 1991-04-04 1993-04-06 Huels, Ag Aqueous, radiation-curable urethane acrylate emulsions and process for producing the same
US5227240A (en) * 1990-03-05 1993-07-13 General Electric Company UV curable coating compositions, abrasion resistant UV stabilized thermoplastic composites and method
US5258225A (en) * 1990-02-16 1993-11-02 General Electric Company Acrylic coated thermoplastic substrate
US5271968A (en) * 1990-02-20 1993-12-21 General Electric Company Method for production of an acrylic coated polycarbonate article
US5407708A (en) * 1994-01-27 1995-04-18 W.R. Grace & Co.-Conn. Method and apparatus for applying radiation curable inks in a flexographic printing system
US5436073A (en) * 1993-05-26 1995-07-25 Avery Dennison Corporation Multi-layer composite
US5445867A (en) * 1991-10-30 1995-08-29 Shin-Etsu Chemical Co., Ltd. Thermal transfer recording sheets and back coating compositions therefor
US5468542A (en) * 1985-12-23 1995-11-21 General Electric Company Method for production of a coated substrate with controlled surface characteristics
US5482780A (en) * 1994-04-07 1996-01-09 Borden, Inc. Polypropylene film with cold seal release and cold seal receptive surfaces
US5486426A (en) * 1993-10-04 1996-01-23 Mobil Oil Corporation Cold sealable cohesive polymer coated polyolefin substrate
US5492733A (en) * 1990-03-05 1996-02-20 International Paper Company High gloss ultraviolet curable coating
US5527578A (en) * 1991-03-20 1996-06-18 Minnesota Mining And Manufacturing Company Radiation curable vinyl/silicone release coating
US5548005A (en) * 1993-12-22 1996-08-20 Hoechst Aktiengesellschaft Aqueous, radiation-curable binder dispersions
US5567773A (en) * 1995-04-04 1996-10-22 Mobil Oil Corporation Cold sealable cohesive polymers
US5582342A (en) * 1993-07-08 1996-12-10 Teich Aktiengesellschaft Tear-off package with pull-tab
US5616400A (en) * 1995-11-20 1997-04-01 Century International Adhesives & Coating Corporation Cold seal adhesives, cold sealable films and packages formed therewith
US5650453A (en) * 1995-04-28 1997-07-22 General Electric Company UV curable epoxysilicone blend compositions
US5671882A (en) * 1994-02-17 1997-09-30 Teich Aktiengesellschaft Wrapping package
US5674626A (en) * 1996-06-19 1997-10-07 Moore Business Forms, Inc. Release composition for printable linerless labels
US5691052A (en) * 1995-06-07 1997-11-25 American National Can Company Polymeric compositions with high self-adhesion and packaging materials and packages made therefrom
US5725909A (en) * 1993-10-04 1998-03-10 Catalina Coatings, Inc. Acrylate composite barrier coating process
US5763048A (en) * 1994-03-31 1998-06-09 Dai Nippon Printing Co., Ltd. Matte decorative sheet having scratch resistance
US5776604A (en) * 1995-02-03 1998-07-07 Mobil Oil Corporation Coating for printable plastic films
US5783266A (en) * 1994-03-11 1998-07-21 Gehrke; Russ Easy-open individual sealed serving packaging
US5798174A (en) * 1996-02-05 1998-08-25 Aep Industries, Inc. Biaxially and monoaxially oriented polypropylene cold seal release film
US5804301A (en) * 1996-01-11 1998-09-08 Avery Dennison Corporation Radiation-curable coating compositions
US5827615A (en) * 1996-07-15 1998-10-27 Mobil Oil Corporation Metallized multilayer packaging film
US5888649A (en) * 1996-01-11 1999-03-30 Avery Dennison Corporation Radiation-curable release coating compositions
US5935686A (en) * 1995-12-29 1999-08-10 Transpac N.V Packaging wrapper closed by twists, and packaging process
US5945183A (en) * 1996-08-23 1999-08-31 Johnson; David E. Sleeve label with UV curable coating and process for making the same
US5959020A (en) * 1997-08-06 1999-09-28 Shamrock Technologies, Inc. Ultraviolet radiation curable compositions
US5959003A (en) * 1997-06-21 1999-09-28 Industrial Technology Research Institute Particulate aqueous polyurethane dispersion and process for producing the same
US5981047A (en) * 1996-06-25 1999-11-09 Applied Extrusion Technologies, Inc. Matte finish biaxially oriented polypropylene film for cold seal release applications
US5981650A (en) * 1997-08-26 1999-11-09 Ashland Inc. Cold seal adhesives, cold sealable films and packages formed therewith
US5985426A (en) * 1995-09-06 1999-11-16 Applied Extrusion Technologies, Inc. Biaxially oriented polypropylene film with cold seal release surface
US5990234A (en) * 1998-07-30 1999-11-23 Btg, A Partnership Coating composition
US6001892A (en) * 1994-07-05 1999-12-14 Ppg Industries Oho, Inc. Polyester and vinyl ether radiation curable compositions with reactive diluent
US6007666A (en) * 1997-08-20 1999-12-28 General Packaging Products Inc. Process for manufacturing laminated wrapping paper
US6010757A (en) * 1997-03-31 2000-01-04 Nippon Shokubai Co., Ltd. Surface coating composition
US6022612A (en) * 1996-06-25 2000-02-08 Applied Extrusion Technologies, Inc. Biaxially oriented polypropylene films having matte-finish and improved cold seal receptivity
US6027793A (en) * 1997-11-03 2000-02-22 Alusuisse Technology & Management Ltd. Packaging film
US6135654A (en) * 1996-01-26 2000-10-24 Tetra Laval Holdings & Finance, Sa Method and apparatus for printing digital images on plastic bottles
US6228486B1 (en) * 1998-10-06 2001-05-08 Avery Dennison Corporation Thermal transfer laminate
US6291062B1 (en) * 1989-07-14 2001-09-18 Dai Nippon Insatsu Kabushiki Kaisha Heat transfer cover films
US6337113B1 (en) * 1995-11-28 2002-01-08 Alusuisse Technology & Management Ag Packaging container
US6339666B2 (en) * 1996-11-08 2002-01-15 Dsm N.V. Radiation-curable optical glass fiber coating compositions, coated optical glass fibers, and optical glass fiber assemblies
US20020058758A1 (en) * 2000-09-07 2002-05-16 Mitsubishi Polyester Film, Llc. Release coated polymer film
US6395822B1 (en) * 1997-11-06 2002-05-28 Garry J. Edgington Coating composition
US6426507B1 (en) * 1999-11-05 2002-07-30 Energy Sciences, Inc. Particle beam processing apparatus
US20020100194A1 (en) * 2000-12-21 2002-08-01 Huffer Scott W. Printed Label with electron beam cured coating
US20020119295A1 (en) * 2000-12-22 2002-08-29 Speer Drew V. Radiation triggerable oxygen scavenging article with a radiation curable coating
US20020146525A1 (en) * 2001-04-04 2002-10-10 Huffer Scott W. Laminate for gum packaging
US20020182435A1 (en) * 2001-05-30 2002-12-05 Migliorini Robert A. Monoweb metallized film suitable for direct surface printing
US20030027009A1 (en) * 2001-08-01 2003-02-06 Marc Bray Laminate for coffee packaging with energy cured coating
US6528127B1 (en) * 1999-03-08 2003-03-04 Cryovac, Inc. Method of providing a printed thermoplastic film having a radiation-cured overprint coating

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1287322C (en) 1984-03-12 1991-08-06 Metallized Products, Inc. Coating and irradiating reaction product of prepolymer and antistatic quaternary ammonium salt
JPH07119149B2 (en) 1988-04-28 1995-12-20 新王子製紙株式会社 The heat-sensitive recording material
JPH03119531A (en) * 1989-09-30 1991-05-21 Toppan Printing Co Ltd Production of optical card
JPH06341097A (en) 1993-05-27 1994-12-13 Kinji Sugiyama Highly glossed paper for bag-like article used for fashion, shopping or the like
JPH09504815A (en) 1993-10-04 1997-05-13 バスフ・ラッケ・ウント・ファルベン・アクチェンゲゼルシャフト Cold sealing adhesive polymer
GB9325574D0 (en) 1993-12-14 1994-02-16 Coates Brothers Plc Printing process
US5466734A (en) * 1994-09-13 1995-11-14 Sun Chemical Corporation Aqueous cold seal release lacquer
GB9504988D0 (en) 1995-03-11 1995-04-26 Whawell Ian S Printing method
WO1996029205A1 (en) 1995-03-21 1996-09-26 Lundgren Claes G L Coating in connection with printing and coating composition with barrier properties
EP0737593B1 (en) 1995-04-12 2001-10-31 Westvaco Corporation A lid having a cured overprint varnish
JPH09302264A (en) 1996-05-15 1997-11-25 Nissin High Voltage Co Ltd Method for forming surface protective layer of food packaging material
US5792549A (en) * 1996-05-30 1998-08-11 Aep Industries, Inc. Biaxially oriented polypropylene cold seal release films
GB2320911B (en) 1997-01-06 1999-08-25 Listawood Limited Method of making a mat
FR2761960B1 (en) 1997-04-09 1999-05-28 Pechiney Emballage Flexible Eu Film polyolefin to form a package by folding
WO2000035671A1 (en) 1998-12-14 2000-06-22 Sartomer Company, Inc. Packaging material having improved barrier properties
JP4286949B2 (en) 1999-02-18 2009-07-01 大日本印刷株式会社 Decorative paper having a wear-resistant
JP2000297218A (en) 1999-04-13 2000-10-24 Oji Paper Co Ltd Electron radiation curing resin composition and composite sheet material produced by using the composition
US6673053B2 (en) 1999-05-07 2004-01-06 Scimed Life Systems, Inc. Hydrophilic lubricity coating for medical devices comprising an antiblock agent
DE60122503D1 (en) 2000-06-06 2006-10-05 Cryovac Inc food product packaged and method for packaging a food product
DE602004001657T2 (en) 2003-11-20 2007-07-26 Mitsubishi Engineering-Plastics Corp. A flame-retardant polyamide resin composition

Patent Citations (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070497A (en) * 1971-03-09 1978-01-24 Ppg Industries, Inc. Process of applying and curing a plurality of coatings
US3865664A (en) * 1973-05-31 1975-02-11 Specialty Papers Co Laminated foil candy wrapper and method of preparing
US4288479A (en) * 1973-09-24 1981-09-08 Design Cote Corp. Radiation curable release coatings
US4070262A (en) * 1974-05-20 1978-01-24 Mobil Oil Corporation Radiation curable coating
US4071425A (en) * 1974-05-20 1978-01-31 Mobil Oil Corporation Radiation curable coating
US4072592A (en) * 1974-05-20 1978-02-07 Mobil Oil Corporation Radiation curable coating
US4008115A (en) * 1976-02-25 1977-02-15 Dennison Manufacturing Company Method for making durable overcoated labels
US4246315A (en) * 1978-01-13 1981-01-20 Sud-West Chemie Gmbh Carrier materials impregnated with thermosetting resins, process for their manufacture and their use
US4177310A (en) * 1978-07-27 1979-12-04 King Seeley Thermos Company Method of metallizing paper
US4246297A (en) * 1978-09-06 1981-01-20 Energy Sciences Inc. Process and apparatus for the curing of coatings on sensitive substrates by electron irradiation
US4384026A (en) * 1978-11-01 1983-05-17 General Electric Company Photocurable acrylic coated polycarbonate articles
US4330590A (en) * 1980-02-14 1982-05-18 Minnesota Mining And Manufacturing Company Photoactive mixture of acrylic monomers and chromophore-substituted halomethyl-2-triazine
US4410560A (en) * 1981-10-09 1983-10-18 Album Graphics, Inc. Continuous web printing apparatus, process and product thereof
US4501797A (en) * 1982-12-01 1985-02-26 American Can Company Unbalanced oriented multiple layer film
US4589145A (en) * 1983-10-31 1986-05-13 Signode Corporation Packaging material and package
US4658963A (en) * 1984-04-20 1987-04-21 Folienwalzwerk Bruder Teich Aktiengesellschaft Package with weakened portion for opening
US4577205A (en) * 1984-05-25 1986-03-18 Ricoh Electronics, Inc. Releasable heat-sensitive label with E. B. setting printing ink
US4654379A (en) * 1985-12-05 1987-03-31 Allied Corporation Semi-interpenetrating polymer networks
US5468542A (en) * 1985-12-23 1995-11-21 General Electric Company Method for production of a coated substrate with controlled surface characteristics
US5030302A (en) * 1986-04-24 1991-07-09 Teich Ag Method for making a compound foil
US4786552A (en) * 1986-07-07 1988-11-22 Avery International Corporation Curable arcylic/fumaric pressure-sensitive adhesives
US4814215A (en) * 1986-11-07 1989-03-21 The B. F. Goodrich Company Adhesive composition, process, and product
US4898787A (en) * 1987-07-02 1990-02-06 Mobil Oil Corporation Emulsion polymerized cohesive polymer latex useful as cold seal coating and improved sealable articles treated with the same
US4810745A (en) * 1987-07-16 1989-03-07 Century Adhesives Corp. Cold-seal adhesives and comestible packages formed therewith
US4859521A (en) * 1987-07-16 1989-08-22 Century Adhesives Corp. Cold-seal adhesives and comestible packages formed therewith
US5019202A (en) * 1987-12-15 1991-05-28 Dai Nippon Insatsu Kabushiki Kaisha Process for producing decorative sheets having embossed pattern
US4851459A (en) * 1987-12-18 1989-07-25 Century Adhesives Corp. Aqueous peroxy carbamyl group containing polymer systems and methods of their production and use
US4902370A (en) * 1988-04-18 1990-02-20 National Starch And Chemical Corporation Synthetic based cold seal adhesives
US4889884A (en) * 1988-04-18 1989-12-26 National Starch And Chemical Corporation Synthetic based cold seal adhesives
US5070121A (en) * 1988-04-26 1991-12-03 Schmalbach Lubeca Ag Solvent-free, low-monomer or monomer-free polymerizable hot melt composition
US6291062B1 (en) * 1989-07-14 2001-09-18 Dai Nippon Insatsu Kabushiki Kaisha Heat transfer cover films
US5258225A (en) * 1990-02-16 1993-11-02 General Electric Company Acrylic coated thermoplastic substrate
US5455105A (en) * 1990-02-20 1995-10-03 General Electric Co. Acrylic coated polycarbonate article
US5271968A (en) * 1990-02-20 1993-12-21 General Electric Company Method for production of an acrylic coated polycarbonate article
US5492733A (en) * 1990-03-05 1996-02-20 International Paper Company High gloss ultraviolet curable coating
US5227240A (en) * 1990-03-05 1993-07-13 General Electric Company UV curable coating compositions, abrasion resistant UV stabilized thermoplastic composites and method
US5527578A (en) * 1991-03-20 1996-06-18 Minnesota Mining And Manufacturing Company Radiation curable vinyl/silicone release coating
US5200463A (en) * 1991-04-04 1993-04-06 Huels, Ag Aqueous, radiation-curable urethane acrylate emulsions and process for producing the same
US5445867A (en) * 1991-10-30 1995-08-29 Shin-Etsu Chemical Co., Ltd. Thermal transfer recording sheets and back coating compositions therefor
US5436073A (en) * 1993-05-26 1995-07-25 Avery Dennison Corporation Multi-layer composite
US5582342A (en) * 1993-07-08 1996-12-10 Teich Aktiengesellschaft Tear-off package with pull-tab
US5725909A (en) * 1993-10-04 1998-03-10 Catalina Coatings, Inc. Acrylate composite barrier coating process
US5486426A (en) * 1993-10-04 1996-01-23 Mobil Oil Corporation Cold sealable cohesive polymer coated polyolefin substrate
US5548005A (en) * 1993-12-22 1996-08-20 Hoechst Aktiengesellschaft Aqueous, radiation-curable binder dispersions
US5407708B1 (en) * 1994-01-27 1997-04-08 Grace W R & Co Method and apparatus for applying radiation curable inks in a flexographic printing system
US5407708A (en) * 1994-01-27 1995-04-18 W.R. Grace & Co.-Conn. Method and apparatus for applying radiation curable inks in a flexographic printing system
US5671882A (en) * 1994-02-17 1997-09-30 Teich Aktiengesellschaft Wrapping package
US5783266A (en) * 1994-03-11 1998-07-21 Gehrke; Russ Easy-open individual sealed serving packaging
US5763048A (en) * 1994-03-31 1998-06-09 Dai Nippon Printing Co., Ltd. Matte decorative sheet having scratch resistance
US5489473A (en) * 1994-04-07 1996-02-06 Borden, Inc. Biaxially and monoaxially oriented polypropylene cold seal release film
US5482780A (en) * 1994-04-07 1996-01-09 Borden, Inc. Polypropylene film with cold seal release and cold seal receptive surfaces
US6001892A (en) * 1994-07-05 1999-12-14 Ppg Industries Oho, Inc. Polyester and vinyl ether radiation curable compositions with reactive diluent
US5776604A (en) * 1995-02-03 1998-07-07 Mobil Oil Corporation Coating for printable plastic films
US5567773A (en) * 1995-04-04 1996-10-22 Mobil Oil Corporation Cold sealable cohesive polymers
US5650453A (en) * 1995-04-28 1997-07-22 General Electric Company UV curable epoxysilicone blend compositions
US5691052A (en) * 1995-06-07 1997-11-25 American National Can Company Polymeric compositions with high self-adhesion and packaging materials and packages made therefrom
US5985426A (en) * 1995-09-06 1999-11-16 Applied Extrusion Technologies, Inc. Biaxially oriented polypropylene film with cold seal release surface
US5616400A (en) * 1995-11-20 1997-04-01 Century International Adhesives & Coating Corporation Cold seal adhesives, cold sealable films and packages formed therewith
US6337113B1 (en) * 1995-11-28 2002-01-08 Alusuisse Technology & Management Ag Packaging container
US5935686A (en) * 1995-12-29 1999-08-10 Transpac N.V Packaging wrapper closed by twists, and packaging process
US5804301A (en) * 1996-01-11 1998-09-08 Avery Dennison Corporation Radiation-curable coating compositions
US5888649A (en) * 1996-01-11 1999-03-30 Avery Dennison Corporation Radiation-curable release coating compositions
US6135654A (en) * 1996-01-26 2000-10-24 Tetra Laval Holdings & Finance, Sa Method and apparatus for printing digital images on plastic bottles
US5798174A (en) * 1996-02-05 1998-08-25 Aep Industries, Inc. Biaxially and monoaxially oriented polypropylene cold seal release film
US5674626A (en) * 1996-06-19 1997-10-07 Moore Business Forms, Inc. Release composition for printable linerless labels
US6022612A (en) * 1996-06-25 2000-02-08 Applied Extrusion Technologies, Inc. Biaxially oriented polypropylene films having matte-finish and improved cold seal receptivity
US5981047A (en) * 1996-06-25 1999-11-09 Applied Extrusion Technologies, Inc. Matte finish biaxially oriented polypropylene film for cold seal release applications
US5827615A (en) * 1996-07-15 1998-10-27 Mobil Oil Corporation Metallized multilayer packaging film
US5945183A (en) * 1996-08-23 1999-08-31 Johnson; David E. Sleeve label with UV curable coating and process for making the same
US6339666B2 (en) * 1996-11-08 2002-01-15 Dsm N.V. Radiation-curable optical glass fiber coating compositions, coated optical glass fibers, and optical glass fiber assemblies
US6010757A (en) * 1997-03-31 2000-01-04 Nippon Shokubai Co., Ltd. Surface coating composition
US5959003A (en) * 1997-06-21 1999-09-28 Industrial Technology Research Institute Particulate aqueous polyurethane dispersion and process for producing the same
US5959020A (en) * 1997-08-06 1999-09-28 Shamrock Technologies, Inc. Ultraviolet radiation curable compositions
US6007666A (en) * 1997-08-20 1999-12-28 General Packaging Products Inc. Process for manufacturing laminated wrapping paper
US5981650A (en) * 1997-08-26 1999-11-09 Ashland Inc. Cold seal adhesives, cold sealable films and packages formed therewith
US6027793A (en) * 1997-11-03 2000-02-22 Alusuisse Technology & Management Ltd. Packaging film
US6395822B1 (en) * 1997-11-06 2002-05-28 Garry J. Edgington Coating composition
US5990234A (en) * 1998-07-30 1999-11-23 Btg, A Partnership Coating composition
US6228486B1 (en) * 1998-10-06 2001-05-08 Avery Dennison Corporation Thermal transfer laminate
US6528127B1 (en) * 1999-03-08 2003-03-04 Cryovac, Inc. Method of providing a printed thermoplastic film having a radiation-cured overprint coating
US6426507B1 (en) * 1999-11-05 2002-07-30 Energy Sciences, Inc. Particle beam processing apparatus
US20020058758A1 (en) * 2000-09-07 2002-05-16 Mitsubishi Polyester Film, Llc. Release coated polymer film
US20020100194A1 (en) * 2000-12-21 2002-08-01 Huffer Scott W. Printed Label with electron beam cured coating
US20020119295A1 (en) * 2000-12-22 2002-08-29 Speer Drew V. Radiation triggerable oxygen scavenging article with a radiation curable coating
US20020146525A1 (en) * 2001-04-04 2002-10-10 Huffer Scott W. Laminate for gum packaging
US20020182435A1 (en) * 2001-05-30 2002-12-05 Migliorini Robert A. Monoweb metallized film suitable for direct surface printing
US20030027009A1 (en) * 2001-08-01 2003-02-06 Marc Bray Laminate for coffee packaging with energy cured coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814430B2 (en) 2010-02-23 2014-08-26 Kraft Foods R&D, Inc. Food package having opening feature
US20150197075A1 (en) * 2014-01-13 2015-07-16 Ford Global Technologies, Llc Polymeric article formed by injection compression molding

Also Published As

Publication number Publication date Type
US20020106465A1 (en) 2002-08-08 application
JP4017410B2 (en) 2007-12-05 grant
US20040094267A1 (en) 2004-05-20 application
JP2002326661A (en) 2002-11-12 application
CA2370827A1 (en) 2002-08-07 application
DE60200038T2 (en) 2004-07-08 grant
EP1231052A1 (en) 2002-08-14 application
DE60200038D1 (en) 2003-10-30 grant
US7341643B2 (en) 2008-03-11 grant
EP1231052B1 (en) 2003-09-24 grant
CA2370827C (en) 2010-07-13 grant
US7279205B2 (en) 2007-10-09 grant

Similar Documents

Publication Publication Date Title
US3616898A (en) Peelable seal package
US3464883A (en) Self-contained,solvent-retaining,pressure-sensitive adhesive product
US5691015A (en) Composite film bags for packaging
US5733615A (en) In-mold label film and method
US6231975B1 (en) Sealable film
US3188265A (en) Packaging films
US6004682A (en) In-mold label film and method
US5302402A (en) Bone-in food packaging article
US5284688A (en) Pressure sensitive adhesive labels and manufacture thereof
US5458244A (en) Package packed with volatile substance
US6120860A (en) Multilayer film structure and packages therefrom for organics
US4439493A (en) Multilayer heat sealable oriented packaging film and method of forming same
US5380572A (en) Pressure sensitive adhesive label sheet
US4866911A (en) Method of forming a vacuum package with hermetic reclosure
US5629060A (en) Packaging with peelable lid
US4410560A (en) Continuous web printing apparatus, process and product thereof
US4151924A (en) Liner element for closure cap
US5744181A (en) Packaging method using thermoplastic materials and package obtained thereby
US20090053372A1 (en) Resealable food bags and method thereof
US4105118A (en) Laminates useful as packaging materials and container having alkaline fluid means
US5665443A (en) Heat sensitive label for packaging a dry-cell battery
US4913560A (en) Stretchy sticky tape bag tie closure
US4402172A (en) Flexible packaging structure and process for making it
US5945183A (en) Sleeve label with UV curable coating and process for making the same
US5419795A (en) High slip packaging film with trapped print