DK2045073T3 - Fugtabsorberende flerlagsfilm og emballage fremstillet deraf - Google Patents
Fugtabsorberende flerlagsfilm og emballage fremstillet deraf Download PDFInfo
- Publication number
- DK2045073T3 DK2045073T3 DK08015891.8T DK08015891T DK2045073T3 DK 2045073 T3 DK2045073 T3 DK 2045073T3 DK 08015891 T DK08015891 T DK 08015891T DK 2045073 T3 DK2045073 T3 DK 2045073T3
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- DK
- Denmark
- Prior art keywords
- layer
- multilayer film
- moisture
- packaging
- film according
- Prior art date
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- 238000004806 packaging method and process Methods 0.000 title claims description 77
- 239000010410 layer Substances 0.000 claims description 156
- 229920001577 copolymer Polymers 0.000 claims description 34
- 229920000642 polymer Polymers 0.000 claims description 34
- -1 alkali metal salt Chemical class 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 229920002988 biodegradable polymer Polymers 0.000 claims description 16
- 239000004621 biodegradable polymer Substances 0.000 claims description 16
- 229920000247 superabsorbent polymer Polymers 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 12
- 229920001169 thermoplastic Polymers 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920002678 cellulose Chemical class 0.000 claims description 10
- 239000001913 cellulose Chemical class 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 9
- 235000014655 lactic acid Nutrition 0.000 claims description 8
- 239000004310 lactic acid Substances 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 7
- 229920002472 Starch Polymers 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 7
- 235000013305 food Nutrition 0.000 claims description 7
- 229920001519 homopolymer Polymers 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 235000019698 starch Nutrition 0.000 claims description 7
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000002318 adhesion promoter Substances 0.000 claims description 4
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims description 4
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 230000003313 weakening effect Effects 0.000 claims description 4
- LZDDXRWBWZUFHD-ODZAUARKSA-N (z)-but-2-enedioic acid;2-methylprop-1-ene Chemical compound CC(C)=C.OC(=O)\C=C/C(O)=O LZDDXRWBWZUFHD-ODZAUARKSA-N 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 229910017107 AlOx Inorganic materials 0.000 claims description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 3
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 3
- 229920001610 polycaprolactone Polymers 0.000 claims description 3
- 229920006149 polyester-amide block copolymer Polymers 0.000 claims description 3
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 4
- 230000003020 moisturizing effect Effects 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 229920005596 polymer binder Polymers 0.000 claims 1
- 239000002491 polymer binding agent Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 63
- 230000005540 biological transmission Effects 0.000 description 14
- 235000019219 chocolate Nutrition 0.000 description 10
- 239000002131 composite material Substances 0.000 description 10
- 239000004925 Acrylic resin Substances 0.000 description 8
- 229920000178 Acrylic resin Polymers 0.000 description 8
- 239000005022 packaging material Substances 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
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- 230000009471 action Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
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- 230000006735 deficit Effects 0.000 description 6
- 229920002873 Polyethylenimine Polymers 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 159000000000 sodium salts Chemical class 0.000 description 5
- 239000008107 starch Substances 0.000 description 5
- 239000004816 latex Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000004971 Cross linker Substances 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 229920000704 biodegradable plastic Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 235000009508 confectionery Nutrition 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920000747 poly(lactic acid) Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 3
- 238000003856 thermoforming Methods 0.000 description 3
- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 2
- 229920000331 Polyhydroxybutyrate Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920003231 aliphatic polyamide Polymers 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 230000001771 impaired effect Effects 0.000 description 2
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- 235000013372 meat Nutrition 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920008262 Thermoplastic starch Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 235000015895 biscuits Nutrition 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- GKQPCPXONLDCMU-CCEZHUSRSA-N lacidipine Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1C1=CC=CC=C1\C=C\C(=O)OC(C)(C)C GKQPCPXONLDCMU-CCEZHUSRSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 235000014594 pastries Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004628 starch-based polymer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 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
- B32B7/02—Physical, chemical or physicochemical 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
- 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
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/06—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance 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
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
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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
- B32B2255/20—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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Claims (20)
1. Termoformbar flerlagsfilm der omfatter et laminat, som er fremstillet af a) mindst et lag, eventuelt flere lag, der har en vandabsorptionskapacitet på mindst 20 g/m2 som er baseret på mindst et fugtabsorberende plastmateriale, og b) et fugtgennemtrængeligt, varmeforsegleligt overfladelag der er baseret på mindst én bionedbrydelig polymer, kendetegnet ved, at fugtgennemtrængeligheden af laget (b) ikke stammer fra en svækkelse af laget (b) og andelen af den biologisk nedbrydelige polymer i det fugtgennemtrængelige lag (b) er mindst 70 vægt-% og er tilstrækkelig høj til, at laget (b) omfatter en vanddampgennemtrængelighed på mindst 100 g/m2-d (23 °C/90% RF) (målt i overensstemmelse med ASTM F1249).
2. Flerlagsfilmen ifølge krav 1, kendetegnet ved, at det fugtabsorberende lag (a) er baseret på mindst en tværbundet alkylenimin-homo- eller copolymer, fortrinsvis på mindst en tværbundet ethylenimin-homo- eller copolymer.
3. Flerlagsfilmen ifølge krav 1, kendetegnet ved, at det fugtabsorberende plastmateriale i laget (a) omfatter mindst en superabsorberende polymer.
4. Flerlagsfilmen ifølge krav 3, kendetegnet ved, at den superabsorberende polymer er mindst en polymer, som er valgt fra gruppen, der omfatter poly(meth)acrylsyre der mindst i en vis udstrækning har form af uorganisk salt, fortrinsvis af alkalimetalsalt, copolymerer af (meth)acrylestere og (meth)acrylsyre og/eller deres uorganiske salte, fortrinsvis alkalimetalsalte, copolymerer af vinylalkohol og (meth)acrylsyre og/eller deres uorganiske salte, fortrinsvis alkalimetalsalte, copolymerer af isobutylen-maleinsyre og/eller deres uorganiske salte, fortrinsvis alkalimetalsalte, cellulosederivater, fortrinsvis natriumcarboxymethylcellulose, polyvinylpyrrolidoner, stivelse der er podet med acrylnitril eller med acrylsyre, polyvinylaminer og blandinger deraf.
5. Flerlagsfilm ifølge krav 3 eller 4, kendetegnet ved, at den superabsorberende polymer er blevet indlejret i form af partikler i en polymermatrix eller er blevet bundet af et polymert bindemiddel.
6. Flerlagsfilm ifølge et hvilket som helst af kravene 3 til 5, kendetegnet ved, at andelen af superabsorberende polymer i forhold til polymermatrixen eller til poly-merbindemidlet er fra 1 : 10 til 10 :1.
7. Flerlagsfilmen ifølge krav 1, kendetegnet ved, at det fugtabsorberende lag (a) er baseret på opskummede polyolefiner, fortrinsvis opskummede polyethylener eller polypropylener.
8. Flerlagsfilm ifølge et hvilket som helst af kravene 1 -7, kendetegnet ved, at det fugtgennemtrængelige lag (b) er baseret på mindst en biologisk nedbrydelig polymer, som er valgt fra gruppen, der omfatter mælkesyrehomopolymerer, mæl-kesyrecopolymerer, polyhydroxyalkanoater, stivelse, cellulose, cellulosederivater, polycaprolactoner og polyvinylalkoholer.
9. Flerlagsfilm ifølge et hvilket som helst af kravene 1-8, kendetegnet ved, at laget (b) omfatter op til 30 vægt-%, der er baseret på den samlede vægt af laget (b), af en syntetisk ikke-bionedbrydelig polymer.
10. Flerlagsfilm ifølge et hvilket som helst af kravene 1-9, kendetegnet ved, at laminatet også er bundet til mindst et yderligere bærelag (c), fortrinsvis påført på den side der ligger tættere på laget (a) af laminatet.
11. Flerlagsfilmen ifølge krav 10, kendetegnet ved, at bærelaget (c) er baseret på en termoplastisk polymer, fortrinsvis på en vanddampbarriere-polyolefin eller på en polyester eller polyamid og eventuelt er blevet metalliseret, fortrinsvis med Al og/eller overtrukket med SiOx, AlOx eller papir.
12. Flerlagsfilm ifølge krav 10 eller 11, kendetegnet ved, at der er anbragt et gas-barrierelag (d) mellem bærelaget (c) og laget (a).
13. Flerlagsfilmen ifølge krav 12, kendetegnet ved, at gasbarrierelaget (d) er baseret på en ethylen/vinylalkohol-copolymer, på et polyvinylidenchlorid, på en copolymer af vinylidenchlorid, på et polyamid eller på en blanding af mindst to af de nævnte polymerer.
14. Flerlagsfilm ifølge krav 12 eller 13, kendetegnet ved, at gasbarrierelaget (d) er bundet henholdsvis til hvert tilstødende lag ved hjælp af et adhæsionspromotorlag.
15. Flerlagsfilm ifølge krav 12-14, kendetegnet ved, at gasbarrierelaget (d) er et oxygen- og vanddampbarrierelag.
16. Flerlagsfilm ifølge et hvilket som helst af kravene 1-15, kendetegnet ved, at flerlagsfilmen er biaksialt orienteret.
17. Emballageelement der eventuelt er termoformet, som er fremstillet af en flerlagsfilm ifølge et hvilket som helst af kravene 1-16.
18. Emballage der omfatter et emballageelement ifølge krav 17, kendetegnet ved, at emballageelementet er en emballagepose, en emballagebakke og/eller et emballagelåg.
19. Emballagen ifølge krav 18, kendetegnet ved, at emballagen omfatter et fugtgivende eller fugtfølsomt produkt som et emballeret produkt og det varmeforseg-lelige overfladelag (b) er rettet mod det emballerede produkt.
20. Emballagen ifølge krav 19, kendetegnet ved, at det fugtgivende produkt er en fødevare.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007043773A DE102007043773A1 (de) | 2007-09-13 | 2007-09-13 | Feuchtigkeitsabsorbierende Mehrschichtfolien und daraus hergestellte Verpackungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK2045073T3 true DK2045073T3 (da) | 2018-09-03 |
Family
ID=40384029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK08015891.8T DK2045073T3 (da) | 2007-09-13 | 2008-09-10 | Fugtabsorberende flerlagsfilm og emballage fremstillet deraf |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2045073B1 (da) |
| DE (1) | DE102007043773A1 (da) |
| DK (1) | DK2045073T3 (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010021989A1 (de) | 2010-05-29 | 2011-12-01 | IfM - Institut für Musikinstrumentenbau e.V. | Anordnung zur Regelung der Gasfeuchte in Behältern und Behälter mit geregelter Gasfeuchte |
| DE102016113264A1 (de) | 2016-07-19 | 2018-01-25 | Frank Wolf | Lebensmittelverpackung und Verfahren zur Herstellung einer Lebensmittelverpackung |
| DE102016213838A1 (de) * | 2016-07-27 | 2018-02-01 | Sig Technology Ag | Flächenförmiger Verbund zum Herstellen formstabiler Nahrungsmittelbehälter mit einer biobasierten Barriereschicht |
| DE102019118304A1 (de) * | 2019-07-05 | 2021-01-07 | Buergofol GmbH | Durchsichtiger oder zumindest kontakttransparenter Papier-Folie-Verbund und daraus hergestellte Verpackungen |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045418A (en) * | 1975-01-28 | 1977-08-30 | Gulf Oil Corporation | Copolymers of D,L-lactide and epsilon caprolactone |
| NZ218176A (en) * | 1986-11-05 | 1988-09-29 | Ueb Packaging Ltd | Packaging laminate with porous layer and liquid absorbent layer |
| JPH029627A (ja) * | 1988-06-29 | 1990-01-12 | Polyplastics Co | 耐熱性複合シート及び耐熱容器 |
| IT1248889B (it) | 1991-06-28 | 1995-01-30 | Sviluppo Settori Impiego Srl | Elementi per l'imballaggio pluristrato e plurifunzione e procedimento per la loro preparazione |
| JP3150426B2 (ja) * | 1992-06-29 | 2001-03-26 | 三井化学株式会社 | 分解性複合材料 |
| DE4409465A1 (de) * | 1994-03-19 | 1995-09-21 | Kinkel Werner Helmut | Biologisch abbaubare Vliese und Vliesverbundmaterialien |
| US6168857B1 (en) * | 1996-04-09 | 2001-01-02 | E. Khashoggi Industries, Llc | Compositions and methods for manufacturing starch-based compositions |
| GB9722519D0 (en) * | 1997-10-25 | 1997-12-24 | Cerestar Holding Bv | Extrusion of hydrolysed proteins |
| KR100642561B1 (ko) * | 1998-08-28 | 2006-11-10 | 미니스떼로 델'유니베르시따'에 델라 리체르까 쉬엔띠피까 에 떼끄놀로지까 | 수증기에 대한 우수한 차단성을 갖는 제품의 제조를 위한 폴리에스테르 수지 |
| AU4015999A (en) * | 1999-07-16 | 2001-01-18 | National Starch And Chemical Investment Holding Corporation | Starch ester coatings |
| WO2001066656A2 (en) * | 2000-03-03 | 2001-09-13 | Dow Corning Corporation | Barrier coatings from bis-silanes, multifunctional acrylates and ethylenically unsaturated acids |
| US6436498B1 (en) * | 2000-03-03 | 2002-08-20 | Dow Corning Corporation | Reactive silicone/alkyleneimine barrier laminating adhesives having bis-silane additives |
| ES2237502T3 (es) | 2001-03-05 | 2005-08-01 | Cryovac, Inc. | Lamina termoformable de barrera de gas autoabsorbente y receptaculo para envasar alimentos obtenido con esta lamina. |
| US20060135668A1 (en) * | 2004-12-21 | 2006-06-22 | Hayes Richard A | Polyesters containing natural mineral materials, processes for producing such polyesters, and shaped articles produced therefrom |
| DE102005051640B4 (de) | 2005-10-26 | 2010-10-14 | Nordenia Deutschland Gronau Gmbh | Verpackungsbeutel, insbesondere für Schokoladenwaren |
| US8637126B2 (en) * | 2006-02-06 | 2014-01-28 | International Paper Co. | Biodegradable paper-based laminate with oxygen and moisture barrier properties and method for making biodegradable paper-based laminate |
| US8329977B2 (en) * | 2007-08-22 | 2012-12-11 | Kimberly-Clark Worldwide, Inc. | Biodegradable water-sensitive films |
| EP2532514A1 (de) * | 2011-06-10 | 2012-12-12 | Amcor Flexibles Kreuzlingen Ltd. | Verpackungslaminat |
-
2007
- 2007-09-13 DE DE102007043773A patent/DE102007043773A1/de not_active Withdrawn
-
2008
- 2008-09-10 EP EP08015891.8A patent/EP2045073B1/de not_active Not-in-force
- 2008-09-10 DK DK08015891.8T patent/DK2045073T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2045073A2 (de) | 2009-04-08 |
| EP2045073A3 (de) | 2009-07-15 |
| EP2045073B1 (de) | 2018-05-30 |
| DE102007043773A1 (de) | 2009-04-02 |
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