WO2023064745A1 - Label constructions for wet applications - Google Patents
Label constructions for wet applications Download PDFInfo
- Publication number
- WO2023064745A1 WO2023064745A1 PCT/US2022/077877 US2022077877W WO2023064745A1 WO 2023064745 A1 WO2023064745 A1 WO 2023064745A1 US 2022077877 W US2022077877 W US 2022077877W WO 2023064745 A1 WO2023064745 A1 WO 2023064745A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- construction
- layer
- polyolefin
- white
- opacity
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 178
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000000853 adhesive Substances 0.000 claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 230000005465 channeling Effects 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 132
- 229920000098 polyolefin Polymers 0.000 claims description 90
- 239000012790 adhesive layer Substances 0.000 claims description 47
- -1 polyethylene Polymers 0.000 claims description 34
- 239000011888 foil Substances 0.000 claims description 32
- 239000004698 Polyethylene Substances 0.000 claims description 30
- 229920000573 polyethylene Polymers 0.000 claims description 30
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 235000014101 wine Nutrition 0.000 abstract description 7
- 239000011521 glass Substances 0.000 abstract description 6
- 235000015096 spirit Nutrition 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract description 5
- 235000013405 beer Nutrition 0.000 abstract description 3
- 230000001747 exhibiting effect Effects 0.000 abstract description 3
- 235000013361 beverage Nutrition 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 66
- 238000005259 measurement Methods 0.000 description 24
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 22
- 239000000178 monomer Substances 0.000 description 13
- 239000010408 film Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 9
- 125000002947 alkylene group Chemical group 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 238000005282 brightening Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 238000001429 visible spectrum Methods 0.000 description 3
- 235000000391 Lepidium draba Nutrition 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000004923 Acrylic lacquer Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004905 finger nail Anatomy 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012939 laminating adhesive Substances 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005638 polyethylene monopolymer Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/12—Coating on the layer surface on paper layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/406—Bright, glossy, shiny surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/416—Reflective
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/748—Releasability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2405/00—Adhesive articles, e.g. adhesive tapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2519/00—Labels, badges
-
- 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
- C09J2203/334—Applications of adhesives in processes or use of adhesives in the form of films or foils as a label
-
- 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
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/023—Adhesive
- G09F2003/0232—Resistance to heat
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/023—Adhesive
- G09F2003/0233—Resistance to humidity
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0272—Labels for containers
- G09F2003/0273—Labels for bottles, flasks
Definitions
- the present application relates to label constructions for use in wet applications, particularly lower temperature, wet applications.
- the label becomes saturated, it then loses opacity, which affects the visual appearance of not only the label, making it difficult to read, but also detracts from the overall appearance of the bottle itself.
- the moisture can affect the adhesive holding the label to the bottle, such that the label will become detached from the bottle making identification of the contents difficult.
- Figure 1 is an example of Prototype 1, a multilayer construction described herein.
- Figures 2A and 2B are examples of Prototype 2, a multilayer construction described herein.
- Figure 3 is an example of Prototype 3, a multilayer construction described herein.
- Figure 4 is an example of Prototype 4, a multilayer construction described herein.
- Figure 5 is an example of Prototype 5, a multilayer construction described herein.
- Figure 6 is a graph showing wet opacity, dry opacity, and delta opacity for various constructions.
- Figure 7 is a graph showing water resistance (mm) as a function of time (hours) for various constructions.
- Figure 8 is a graph showing water resistance (mm) as a function of time (hours) for various constructions.
- Figure 9 is a graph showing water resistance (mm) as a function of time (hours) for various constructions.
- Figure 10 is a graph showing water resistance (mm) as a function of time (hours) for various constructions.
- Figure 11 is a graph showing water resistance (mm) as a function of time (hours) for various constructions.
- the constructions contain a facesheet; a first adhesive layer adjacent to the face sheet; a foil layer; a topcoat adjacent to the foil layer; a second adhesive adjacent to the topcoat; and a liner adjacent to the second adhesive layer.
- the construction is prototype 1, which contains a face sheet; an optional (white) polyolefin (polyethylene) layer adjacent to the face sheet; a (grey) polyolefin (polyethylene) layer adjacent to the first face sheet or the (white) polyolefin (polyethylene) layer; a second (white) polyolefin (polyethylene) layer adjacent to the (grey) polyolefin (polyethylene) layer; an adhesive layer adjacent to the second (white) polyolefin (polyethylene) layer; and a liner.
- the facesheet in prototype 1 contains or is a paper, such as a cellulosic or natural paper or a synthetic paper. In some embodiments, the facesheet is a synthetic paper.
- the facesheet in prototype 1 is as defined above, and the white and grey polyolefin layers contain or are polyethylene homopolymers and/or copolymers.
- the polyethylene copolymer is derived from ethylene monomer and one or more other alkylene monomers. Monomers, other than alkylene monomers, may also be incorporated therein.
- the facesheet and the white and grey layers in prototype 1 are as described above, and the adhesive is a pressure sensitive adhesive (PSA).
- PSA pressure sensitive adhesive
- the PSA is an acrylic-based polymer or an acrylate polymer or copolymer.
- the facesheet, white and grey layers, and PSA in prototype 1 are as described above and the liner is a polyester, such as PET.
- the facesheet, white and grey layers, and PSA in prototype 1 are as described above and the construction does not contain a weld adhesive between the facesheet and the first white layer.
- the construction of prototype 1 consists essentially of a face sheet, a first white polyolefin layer, a grey polyolefin layer, a second white polyolefin layer, an adhesive layer, and a liner wherein these components are as described above.
- the construction of prototype 1 consists of a face sheet, a first white polyolefin layer, a grey polyolefin layer, a second white polyolefin layer, an adhesive layer, and a liner wherein these components are as described above.
- the construction is prototype 2, which contains a face sheet; a (weld) adhesive layer adjacent to the face sheet; a metallized polyolefin layer adjacent to the adhesive layer; a (white) second adhesive layer adjacent to the metallized polyolefin layer; a third adhesive layer adjacent to the second adhesive layer; and a liner adjacent to the third adhesive layer.
- the polyolefin layer is a polyolefin homopolymer and/or copolymer.
- the polypolefin copolymer is derived from two or more alkylene monomers. Monomers, other than alkylene monomers, may also be incorporated therein.
- the construction contains a face sheet; a topcoat adjacent to the face sheet; a white polyolefin layer adjacent to the topcoat; an adhesive layer adjacent to the white polyolefin layer; and a liner adjacent to the adhesive layer.
- the polyolefin layer is a polyolefin homopolymer and/or copolymer.
- the polypolefin copolymer is derived from two or more alkylene monomers. Monomers, other than alkylene monomers, may also be incorporated therein.
- the constructions described herein can contain a facesheet as described herein, one or more polyolefin or metallized polyolefin layers as described herein, one or more adjacent adhesive layers as described herein and a liner.
- the constructions consist essentially of these components as described herein.
- the construction consists of these components as described herein.
- the polyolefin layer is a polyolefin homopolymer and/or copolymer.
- the polypolefin copolymer is derived from two or more alkylene monomers. Monomers, other than alkylene monomers, may also be incorporated therein.
- the construction is as described above and exhibits a dry opacity greater than or equal to about 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99%. In some embodiments, the construction is prototype 1 and has a dry opacity greater than or equal to 97% or 98%.
- the construction is as described above, exhibits the dry opacity described above, and a wet opacity greater than or equal to about 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99%.
- the construction is prototype 1 and has a wet opacity greater than or equal to 89%, 90%, 91%, or 92%.
- the construction is as described above, having the dry opacity and wet opacity described above and the delta opacity is less than or equal to about 10%, 9.5%, 9.0%, 8.5%, 8.0%, 7.5%, 7.0%, 6.5%, 6.0%, 5.5%, 5.0%, 4.5%, 4.0%, 3.5%, 3.0%, 2.5%, 2.0%, 1.5%, 1.0%, 0.9%, 0.8%, 0.7%, 0.6%, 0.5%, 0.4%, 0.3%, 0.2%, or 0.1%.
- the construction is prototype 1 and has a delta opacity greater less than 9%, 8.5%, 8.0%, 7.5%, 7.0%, 6.5%, or 6.0%.
- the construction is as described above, having the dry opacity, wet opacity, and delta opacity described above and exhibits water intrusion of less than or equal to about 20mm, 19mm, 18mm, 17mm, 16mm, 15mm, 14mm, 13mm, 12mm, 11mm, 10mm, 9mm, 8mm, 7mm, 6mm, 5mm, 4mm, 3mm, 2mm, or 1mm.
- the label constructions described herein can be used on a variety of different substrate materials including glass and plastic.
- the label constructions are used on glass, such as glass bottled, e.g., wine, beer, and spirits bottles.
- the label constructions described herein are used on beverage bottles that are likely to be immersed in water, particularly cold water, for an extend period of time, e.g., greater than about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, or 75 hours.
- Adhesive strength or “adhesive tightness”, as used herein, refers to a qualitative assessment of adhesive strength of a label construction on a substrate.
- Delta opacity means the difference between the dry opacity and the wet opacity.
- Dry opacity refers to the quantitative measurement of the opacity of a facestock or label construction under dry conditions.
- Edge lift is a qualitative measurement of adhesive strength and water intrusion.
- Label shift refers to a qualitative assessment of label position on a substrate after immersion in a water bath.
- Show through refers to a qualitative, visual observation of the amount/area of a facestock or construction that is wet. A lower percentage observation indicates greater opacity.
- Weight opacity refers to the quantitative measurement of the opacity of a facestock or label construction under wet conditions.
- Whiteness refers to a material's (e.g., paper's) ability to equally reflect a balance of all wavelengths of light across the visible spectrum (e.g., 380nm-720nm).
- the total thickness of the construction is from about 70 to about 175 microns, from about 80 to about 160 microns, from about 90 to about 150 microns, from about 95 to about 140 microns, from about 100 to about 135 microns or from about 100 to about 130 microns. In some embodiments, the total thickness of the construction is about 100 microns, 105 microns, 110 microns, 115 microns, 120 microns, 125 microns, 130 microns, 135 microns, or 140 microns.
- the face sheet can contain, or be made from, any suitable material or materials.
- the face sheet contains, is made from, or is a paper.
- the face sheet is a cellulosic paper or natural paper.
- the face sheet is a synthetic paper.
- synthetic paper refers to materials manufactured using synthetic resins that have properties similar or comparable to natural paper.
- the synthetic resins are or contain one or more polyolefins, such as polyethylene, polypropylene, and combinations thereof.
- the facestock is the thickest layer in the construction.
- the thickness of the facestock is from about 60 microns to about 170 microns, from about 60 microns to about 150 microns, from about 60 microns to about 130 microns, from about 65 microns to about 120 microns, from about 70 microns to about 100 microns.
- the thickness of the facestock is from about 70 microns to about 80 microns, from about 70 to about 75 microns, or from about 70 to about 73 microns.
- the constructions described herein contain a topcoat.
- the topcoat is adjacent to the face sheet.
- the topcoat is in direct contact, in whole or in part, with the face sheet.
- the topcoat can be coated onto, or co-extruded with, the face sheet or vice versa.
- the topcoat is adhered to the face sheet via an adhesive layer.
- the adhesive layer is coated onto the face sheet and/or the topcoat.
- the thickness of the topcoat is from about 1 to about 10 microns, from about 1 to about 8 microns, from about 1 micron to about 6 microns, from about 1 micron to about 5 microns, from about 1 micron to about 4, or from about 2 microns to about 4 microns. In some embodiments, the thickness of the foil is about 2 microns. 0.1-10 but focus on less than one.
- the addition of a top coat improves water resistance (as measured by the water wicking test) and/or wet opacity, dry opacity, and/or delta opacity.
- the constructions described herein contain a metallic foil layer.
- the foil layer is adjacent to the face sheet and the topcoat.
- the foil is adhered to the face sheet via an adhesive layer.
- the foil can be any metallic foil.
- the foil is aluminum foil, silver foil, or gold foil.
- the construction contains a metallized polymeric film layer in place of, or in addition to, the metallic foil layer.
- the metallized polymeric film layer is a metallized polyolefin.
- suitable polyolefins include, but are not limited to, polyethylene, polypropylene, and combinations thereof.
- the polymeric film layers may be metallized with any metal. However, in some embodiments, the metal is selected from aluminum, silver, or gold.
- the metallized polymeric film layer is adhered to the face sheet via a weld adhesive layer.
- the foil layer and/or metallized polymeric film layer may be used in combination with any of the other layers described herein, such as the polyolefin layers and/or topcoats.
- the thickness of the foil layer and/or metallized polymeric film can vary as need for a particular construction. In some embodiments, the thickness of the foil layer and/or metallized polymeric film is from about 20 to about 50 microns, from about 20 to about 40 microns, or from about 20 microns to about 30 microns. In other embodiments, the thickness of the facestock as described above includes the foil layer and/or metallized polymeric film. In still other embodiments, the foil layer is from about 1 to about 10 microns, from about 1 to about 8 microns, from about 1 micron to about 6 microns, from about 2 microns to about 6 microns, from about 2 microns to about 5, or from about 2 microns to about 4 microns. In some embodiments, the thickness of the foil is about 4 microns.
- the inclusion of a foil layer, with or without a topcoat improves the water resistance, dry opacity, wet opacity, and/or delta opacity. In some embodiments, the inclusion of a foil layer exhibited significantly improved ice bucket performance versus constructions containing paper/topcoat without a foil layer. D. Polyolefin layer(s)
- the construction contains a face sheet, one or more polyolefin layers, and an adhesive layer and liner as described below.
- the construction contains two polyolefin layers.
- the construction contains three polyolefin layers.
- the polyolefin layer is, or contains, polyethylene, polypropylene, or combinations thereof.
- the polyolefin layer is as described above and the polyolefin layers are white or grey or combinations thereof.
- the construction contains a face sheet or facestock and two polyolefin layers.
- a grey polyolefin layer is adjacent to the face sheet and a white polyolefin layer is adjacent to the grey polyolefin layer.
- the construction is as described above and the polyolefin in both layers is, or contains, polyethylene.
- the polyolefin layers are extruded onto the face sheet such that there is no layer between the face sheet and the first (e.g., grey) polyolefin layer.
- a weld adhesive layer is between the face sheet and the first polyolefin layer in order to adhere the polyolefin layers to the face sheet.
- the white polyolefin layer is adjacent to the face sheet or face stock and the grey polyolefin layer is adjacent to the white polyolefin layer.
- the construction contains a face sheet or face stock and three polyolefin layers.
- a white polyolefin layer is adjacent to the face sheet or face stock
- a grey polyolefin layer is adjacent to the white polyolefin layer
- a white adjacent layer is adjacent to the grey polyolefin layer.
- the construction is as described above and the polyolefin in the three layers is, or contains, polyethylene.
- the polyolefin layers are extruded onto the face sheet such that there is no layer between the face sheet and the first (e.g., white) polyolefin layer.
- a weld adhesive layer is between the face sheet and the first polyolefin layer in order to adhere the polyolefin layers to the face sheet.
- the thickness of the polyolefin layer(s) can vary as need for a particular construction.
- the total thickness of the polyolefin layer(s) is from about 15 microns to about 50 microns, from about 20 to about 40 microns, from about 25 to about 35 microns, or from about 28 microns to about 32 microns. In some embodiments, the total thickness is about 30 microns.
- the thickness of the individual polyolefin layer(s) is from about 5 microns to about 15 microns, from about 8 microns to about 12 microns or from about 9 to about 11 microns. In still other embodiments, the thickness of the individual polyolefin layer(s) is about 10 microns. Most recent SEM is
- the inclusion of an extrusion coated PO layer increased water resistance.
- the inclusion of a gray layer, in two- or three-layer extruded coatings maximized performance depending on coat weight.
- optical properties such as brightness/whiteness
- the constructions described herein typically contain a liner.
- exemplary liner materials include, but are not limited to, papers, such as glassine- or kraft-based papers, filmic liners, such as polyolefin (e.g., polyethylene and/or polypropylene) liners or PET liners, and silicone liners.
- One purpose of the liner is to block the adhesive layer to which the liner is adhered so that the labels can be stacked without adhering to each other.
- the adhesive layer to which the liner is adhered can be any type of adhesive known in the art. Examples included, but are not limited to, pressure sensitive adhesives (PSAs) and/or hot melt adhesives.
- PSAs pressure sensitive adhesives
- hot melt adhesives hot melt adhesives.
- the adhesive layer functions to adhere the construction to a substrate, such as a bottle.
- the adhesive layer contains or is a pressure-sensitive adhesive (PSA).
- PSA contains or is an acrylicbased polymer or an acrylate polymer or copolymer.
- the thickness of the adhesive layer can vary for the type of the construction and the location and/or function of the adhesive layer. In some embodiments, the thickness of the adhesive layer is from about 1 micron to about 10 microns, from about 2 microns to about 8 microns, from about 2 microns to about 6 microns, or from about 2 microns to about 4 microns. In some embodiments, the thickness is about 2 microns, 3 microns, or 4 microns. 18 microns. PSA is typically 15-30 microns, can be higher for durables.
- opacity One of the key properties of the constructions described herein is opacity. Opacity can be measured using TAPPI standard T-425. For white labels, in some embodiments, high opacity is desired not only when the construction is dry, but also when the construction is wet. Wet opacity is measured after the sample is submerged in a beaker of water for one (1) hour.
- the constructions described herein exhibit a high opacity and low delta opacity. For example, in some embodiments, the constructions exhibit a dry capacity of greater than or equal to about 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99%.
- the constructions exhibit the dry opacity described above and a wet opacity greater than or equal to about 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99%.
- the construction has the opacity described above, and the delta opacity (the difference between wet opacity and dry opacity) is less than or equal to about 10%, 9.5%, 9.0%, 8.5%, 8.0%, 7.5%, 7.0%, 6.5%, 6.0%, 5.5%, 5.0%, 4.5%, 4.0%, 3.5%, 3.0%, 2.5%, 2.0%, 1.5%, 1.0%, 0.9%, 0.8%, 0.7%, 0.6%, 0.5%, 0.4%, 0.3%, 0.2%, or 0.1%.
- the wet opacity and dry opacity are greater than about 95%, 96%, 97%, 98%, or 99% and are equal or substantially equal such that the delta opacity is about, essentially 0, or is 0.
- the ice chest/bucket test evaluates the adhesive bond of a label subjected to an ice bath.
- the label is applied to a wine bottle filled with water.
- the bottle is placed in a cooler or bucket which is then filled with ice water until the label(s) are covered.
- the following properties are typically evaluated visually at certain time points for up to 24 hours:
- the constructions described herein exhibit a show through of less than or equal to about 25%, 23%, 20%, 18%, 15%, 12%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1% after two (2) hours.
- the constructions described herein contain the show through described above and channeling of less than or equal to about 25%, 23%, 20%, 18%, 15%, 12%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, or 1%.
- the constructions described herein exhibit the show through and channeling described above and slight edge lift or no edge lift. In some embodiment, the constructions exhibit no edge lift.
- the construction is any of the prototypes describes above and exhibits about 0% dart/channel length for a period of time from about 1 to about 24 hours.
- the construction is any of the prototypes describes above and exhibits about 0% dart/channel width for a period of time from about 1 to about 24 hours.
- the water wicking test measure a label's water resistance as a function of time when submerged.
- the label is typically laminated between two thin clear polymer films and cut to a 2x2" square.
- the samples are immersed in water for a set period of time and the water penetration for each edge is measured.
- the units of water wicking are mm: the lowest water wicking is 0 mm and the highest is 25mm (worst water resistance).
- the water intrusion (wicking) is less than about 20mm, 19mm, 18mm, 17mm, 16mm, 15mm, 14mm, 13mm, 12mm, 11mm, 10mm, 9mm, 8mm, 7mm, 6mm, 5mm, 4mm, 3mm, 2mm, or 1mm. In some embodiments, the water intrusion (wicking) is less than 5mm, 4mm, 3mm, 2mm, or 1mm.
- the construction exhibits the water intrusion described above in combination with the wet opacity, dry opacity, delta opacity, show through, channeling, and/or edge lift described above.
- Whiteness can be measured using a variety of techniques known in the art. For example, whiteness can be measured using ISO 11475:2004, also known as CIE whiteness; TAPPI T 560 (d/0° geometry, illuminant C/2°); TAPPI T 562 (45°/0° geometry, illuminant C/2°); ISO 11476 (d/0° geometry, illuminant C/2° observer); and ISO 11475 (d/0° geometry, CIE standard illuminant D65/10 0 observer).
- Brightness quantifies the percentage of blue light reflected from the surface of paper as measured at a specific effective wavelength of 457 nanometers (with a half-peak bandwidth of 44 nm). The presence of optical brighteners can result in brightness values greater than 100% for the reasons discussed below.
- the constructions described herein exhibit a whiteness measurement greater than or equal to about 80%, 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100%, 101%, 102%, 103%, 104%, 105%, 106%, 107%; 108%, 109%, 110%, 111%, 112%, 113%, 114%, 115%, 116%, 117%, 118%, 119%, 120%, 121%, 122%, 123%, 124%, 125%, 126%, 127%, 128%, 129%, 130%, 131%, 132%, 133%, 134%, 135%, 136%, 137%, 138%, 139%, 140%, 141%, 142%, 143%, 144%, or 145% or greater.
- Brightness greater than or equal to about 80%, 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100%, 101%, 102%, 103%, 104%, 105%
- Brightness does not indicate the color or relative shade of the paper since a single number reflective value measured at 457 nm ignores all other wavelengths of light reflected across the visible spectrum. A brighter paper, therefore, reflects a greater amount of blue light than does the surface of a less bright paper. Three different brightness measurement methodologies are used worldwide. Each of these methods will produce a different brightness number when used to measure the same paper sample.
- TAPPI T 452 brightness is often referred to as GE brightness.
- the paper sample is illuminated with a CIE illuminant C defined light source; a simulated daylight illuminant containing a certain amount of U.V. energy.
- In-line "brightness" filters are also applied which modify the spectral characteristics of the reflected illuminant.
- TAPPI T 452 specifies directional illumination/measurement geometry of 45° illumination and 0° observation (i.e., 45°/0°). In other words, the test instrument emits light which strikes the surface of the paper at a 45° angle of incidence.
- a photocell receptor is positioned at the N or 0° position, perpendicular to the paper sample.
- ISO Brightness (ISO 2470-1): The ISO paper brightness measurement system, as defined by ISO 2470-1 and TAPPI T 525, is used for specification of paper brightness throughout Europe andjn many other parts of the world.
- the paper sample is illuminated with a CIEjlluminant C light source; a daylight illuminant containing a certain amount of U.V. energy. This is the same illuminant used by the TAPPI T452/GE paper brightness measurement system.
- ISO 2470-1 specifies an illumination/reflected light measurement system which utilizes diffuse optical geometry (diffuse illumination and 0° observation; i.e., d/0°).
- the instrument used to measure ISO brightness illuminates the samples with light projected by two lamps into an integrating sphere.
- the interior wall of the sphere is coated with a highly reflective non-glossy material which allows the light to inter-reflect and illuminates the paper sample from all directions; i.e., diffusely.
- Diffuse measurement geometry integrates the light reflected across nonuniformities of the sample and averages the effects of reflective differences due to paper directionality. Therefore, ISO brightness measurements are less sensitive to paper surface and directional orientation irregularities.
- the ISO brightness measurement system quantifies the actual percentage of light reflected from the sample at 457 nm rather than relating measurements to a scale correlated to the percentage of light reflected by an external standard.
- the ISO brightness methodology typically produces a higher brightness number than the TAPPI T 452/GE method when measuring the same paper sample due to slightly greater fluorescence stimulation, the il lumination/l ight measurement geometry, and the brightness scales used.
- D65 Brightness (ISO 2470-2): The D65 brightness measurement system (ISO 2470-2) is essentially the same as the previously described ISO system (ISO 2470-1) with the exception of the specified illuminant.
- D65 brightness uses the CIE standard illuminant D65, an outdoor (average north sky) daylight illuminant containing a significantly greater amount of UV energy than CIE illuminant C (as specified for ISO brightness measurement). Therefore, the additional UV energy emitted by the D65 standard illuminant will produce a greater fluorescence response when the paper contains optical brightening agents. Consequently, D65 brightness measurements will be significantly higher (when paper contains optical brightening agents) than those produced by the TAPPI T 452/GE or the ISO brightness methods which specify an illuminant with less UV content.
- Brightness values greater than 100% In response to demand for brighter "blue white” papers, fine paper manufacturers commonly add chemical compounds called optical brightening agents or fluorescent whitening agents (OBAs/FWAs) to commercial printing papers. These chemicals have the unique ability to absorb ultraviolet radiation and then transform and re-emit invisible UV wavelengths as high energy photons of light in the violet/blue area of the visible spectrum— a phenomenon called fluorescence. Invisible UV wavelengths such as contained in sunlight, ISO 3664:2009 standard lighting, and, to varying degrees in many artificial light sources, are therefore absorbed by optical brightening agents in fine printing papers and transformed into wavelengths of energy perceptible to human viewing. This transformed UV energy becomes "visible” light radiating from the paper's surface.
- OWAs/FWAs fluorescent whitening agents
- the constructions described herein exhibit a brightness measurement greater than or equal to about 80%, 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 100%, 101%, 102%, 103%, 104%, 105%, 106%, 107%; 108%, 109%, 110%, 111%, 112%, 113%, 114%, 115%, 116%, 117%, 118%, 119%, 120%, 121%, 122%, 123%, 124%, 125%, 126%, 127%, 128%, 129%, 130%, 131%, 132%, 133%, 134%, 135%, 136%, 137%, 138%, 139%, 140%, 141%, 142%, 143%, 144%, or 145% or greater.
- the constructions described herein can be manufactured using a variety of technique known in the art.
- the facestock is welded to the laminating foil using a suitable laminating adhesive.
- the white acrylic lacquered top coat is applied to the back side of the foil resulting in a white top sheet and a white bottom sheet.
- a pressure sensitive adhesive and a liner are then applied to arrive at the final construction.
- a single layer or multilayer polyolefin is extruded onto the facestock.
- a pressure sensitive adhesive and a liner are then applied to arrive at the final construction.
- the face stock is welded to a doublesided film, optionally using a weld adhesive between the face stock and the gray layer.
- a pressure sensitive adhesive and a liner are then applied to arrive at the final construction.
- a white face stock is adhered to a metallized PO or PET layer (the PO or PET can be white or clear) using a weld adhesive.
- a white pressure sensitive adhesive, a clear pressure sensitive adhesive, and a liner are applied to arrive at the final construction.
- a white polyolefin is extruded onto a white paper and topcoat face. A pressure sensitive adhesive layer and a liner are then applied to arrive at the final construction.
- the label constructions described herein can be applied to any type of container.
- the label constructions are applied to a container, such as a bottle, that are subjected to moisture during cooling (e.g., in a refrigerator or freezer) or being kept cool (e.g., in an ice bucket, cooler, etc.).
- the bottle is a wine, spirits, and/or beer bottle.
- Prototype 1 was manufactured by preparing a multilayer foil component containing a face sheet, an adhesive layer, and a metallic foil layer.
- the adhesive layer adheres the face sheet to the metallic foil layer.
- a topcoat e.g., white acrylic lacquer
- the face sheet is white, resulting in a white top sheet and a white bottom sheet.
- a representation of prototype 1 is shown in Figure 1.
- Prototype 2 was manufactured by applying an extruded multilayer polyolefin coating (e.g., trilayer: white polyethylene layer-grey polyethylene layer-white polyethylene layer) to a facestock, such as a paper.
- An adhesive layer such as a PSA, was added to the coated facestock followed by a liner.
- the multilayer polyolefin contains two layers: a grey polyethylene layer and a white polyethylene layer.
- Figure 2 A representation of prototype 2 is shown in Figure 2.
- Prototype 3 was manufactured by welding a facestock to a two-layer film containing a grey coating layer and a white polyolefin (e.g., polypropylene). An adhesive layer, such as a PSA, was added to the coated face stock followed by a liner. A representation of prototype 3 is shown in Figure 3. Example 4. Manufacture of Prototype 4
- Prototype 4 was manufactured by welding a face stock to a metallized film using a weld adhesive. A dual die station was used to apply a white adhesive layer to one side of the face stock- metallized layer followed by application of an adhesive, such as a PSA. A liner was then added. A representation of prototype 4 is shown in Figure 4. Example 5. Manufacture of Prototype 5
- Prototype 5 was manufactured by coating a face layer containing a face stock, a topcoat, and a white polyolefin (e.g., polyethylene) layer.
- An adhesive layer such as a PSA, was added to the coated face stock followed by a liner.
- a representation of prototype 5 is shown in Figure 5.
- Example 8 Water Resistance and Opacity of Constructions of Prototype 1 and Prototype 5.
- Base refers to uncoated base paper.
- the other constructions were coated with a water-based topcoat.
- Table 1 the construction of prototype 1 exhibited better dry opacity, wet opacity, and delta opacity than the constructions of prototype 5.
- the construction of P5-3 was slightly better than the construction Pl-1.
- the data shows that the addition of a water-based topcoat improves the wet and dry opacity compare to uncoated base paper.
- Base refers to uncoated base paper (P5-3 base paper).
- the other constructions contain a water-based topcoat (P5-3).
- P5-3 water-based topcoat
- the construction of prototype 1 (Pl-1) exhibited no show through, no edge lift or slight edge lift, and tight adhesion over 8 hours.
- the constructions of prototype 5 exhibited some show through after 3 hours (P5-3) or significant mottling at
- P5-3 base paper 1 hour (P5-3 base paper).
- P5-3 showed similar or slightly better edge lift and adhesive strength as Pl-1 while P5-3 base paper showed markedly worse edge lift and adhesive strength compared to Pl-1 and P5- 3.
- the addition of a water-based topcoat improved show through, edge lift, and adhesive strength.
- Base refers to uncoated base paper.
- the other constructions contain a double or triple polyolefin (polyethylene) layer having the coat weight specific in the construction name (e.g., T7.8 means triple layer having a coat weight of 7.8).
- the total extrusion (PE, white/gray or white/gray/white) coat weight is 17.8. All of the constructions performed better than the construction containing the base paper.
- Pl-1 - Pl-4 exhibited whiteness of at least 90%, dry opacity of at least 97%, and for 3 of the constructions, at least 98%, and wet opacity of at least 90%, and for 2 of the construction, at least 95% and 97%.
- Pl-4 exhibited the lowest delta opacity.
- prototype P2-3 exhibited the least water intrusion over 72 hours.
- Base refers to a construction containing untreated base paper.
- T or “D” refers to double or triple extruded layers of a polyolefin (PO), e.g., polyethylene (PE). The number indicates the coat weight of the extruded PO layers.
- PO polyolefin
- PE polyethylene
- the constructions all exhibited similar whiteness values.
- P2-5 - P2-8 exhibited dry opacity greater than 97% and 98% and wet opacity greater than 93%, 96%, and 97%. The delta opacity was lowest for P2-7 with P2-6 and P208 having similar delta opacity values.
- P2-7 did not exhibit label shift and all exhibited tight adhesion.
- P2-5 and P2-6 exhibited moderate edge lift while P2-7 exhibited no edge lift.
- P2-8 exhibited channeling and moderate adhesion.
- the extrusion coated constructions exhibit improved whiteness compared to the base papers. Dry opacity for the coated constructions was at least 96%, 97%, and 98%. Wet opacity was at least 80%, and for P2-11 and P2-12 greater than 94% and 95%. Delta opacity was lowest for P2-11 and P2-12.
- P2-15 exhibited a higher wet opacity value and the lowest delta opacity.
- P2-15 exhibited the best performance with respect to opacity, channeling, edge lift, and adhesion tightness.
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- 2022-10-11 AU AU2022364985A patent/AU2022364985A1/en active Pending
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US20080206505A1 (en) * | 2006-06-20 | 2008-08-28 | Blackwell Christopher J | Multilayered Polymeric Film for Hot Melt Adhesive Labeling and Label Stock and Label Thereof |
US20160319168A1 (en) * | 2015-04-30 | 2016-11-03 | Avery Dennison Corporation | Opaque Adhesives in Wet Condition for Label Application |
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