EP3882395A1 - Tobacco packaging - Google Patents
Tobacco packaging Download PDFInfo
- Publication number
- EP3882395A1 EP3882395A1 EP21161754.3A EP21161754A EP3882395A1 EP 3882395 A1 EP3882395 A1 EP 3882395A1 EP 21161754 A EP21161754 A EP 21161754A EP 3882395 A1 EP3882395 A1 EP 3882395A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- cellulose substrate
- repellent layer
- tobacco packaging
- tobacco
- 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.)
- Granted
Links
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- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 description 1
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- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- IXLCRBHDOFCYRY-UHFFFAOYSA-N dioxido(dioxo)chromium;mercury(2+) Chemical compound [Hg+2].[O-][Cr]([O-])(=O)=O IXLCRBHDOFCYRY-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- CVCXSNONTRFSEH-UHFFFAOYSA-N docosa-2,4-dienoic acid Chemical compound CCCCCCCCCCCCCCCCCC=CC=CC(O)=O CVCXSNONTRFSEH-UHFFFAOYSA-N 0.000 description 1
- 235000020669 docosahexaenoic acid Nutrition 0.000 description 1
- 229940090949 docosahexaenoic acid Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000020673 eicosapentaenoic acid Nutrition 0.000 description 1
- 229960005135 eicosapentaenoic acid Drugs 0.000 description 1
- JAZBEHYOTPTENJ-UHFFFAOYSA-N eicosapentaenoic acid Natural products CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O JAZBEHYOTPTENJ-UHFFFAOYSA-N 0.000 description 1
- 229940108623 eicosenoic acid Drugs 0.000 description 1
- BITHHVVYSMSWAG-UHFFFAOYSA-N eicosenoic acid Natural products CCCCCCCCC=CCCCCCCCCCC(O)=O BITHHVVYSMSWAG-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
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- 125000000524 functional group Chemical group 0.000 description 1
- LQJBNNIYVWPHFW-QXMHVHEDSA-N gadoleic acid Chemical compound CCCCCCCCCC\C=C/CCCCCCCC(O)=O LQJBNNIYVWPHFW-QXMHVHEDSA-N 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000004153 glucose metabolism Effects 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 235000021299 gondoic acid Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 235000012171 hot beverage Nutrition 0.000 description 1
- 150000002433 hydrophilic molecules Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
- 230000037356 lipid metabolism Effects 0.000 description 1
- 150000002634 lipophilic molecules Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 150000004666 short chain fatty acids Chemical class 0.000 description 1
- 235000021391 short chain fatty acids Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- JIWBIWFOSCKQMA-UHFFFAOYSA-N stearidonic acid Natural products CCC=CCC=CCC=CCC=CCCCCC(O)=O JIWBIWFOSCKQMA-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- QZZGJDVWLFXDLK-UHFFFAOYSA-N tetracosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC(O)=O QZZGJDVWLFXDLK-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- AQWHMKSIVLSRNY-UHFFFAOYSA-N trans-Octadec-5-ensaeure Natural products CCCCCCCCCCCCC=CCCCC(O)=O AQWHMKSIVLSRNY-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- UWHZIFQPPBDJPM-BQYQJAHWSA-N trans-vaccenic acid Chemical compound CCCCCC\C=C\CCCCCCCCCC(O)=O UWHZIFQPPBDJPM-BQYQJAHWSA-N 0.000 description 1
- CUXYLFPMQMFGPL-UYWAGRGNSA-N trichosanic acid Natural products CCCCC=C/C=C/C=CCCCCCCCC(=O)O CUXYLFPMQMFGPL-UYWAGRGNSA-N 0.000 description 1
- 229960002703 undecylenic acid Drugs 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
Images
Classifications
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
- B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
- B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
- B65D85/1036—Containers formed by erecting a rigid or semi-rigid blank
- B65D85/1045—Containers formed by erecting a rigid or semi-rigid blank having a cap-like lid hinged to an edge
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
- B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
- B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
- B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
- B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
- B65D85/1036—Containers formed by erecting a rigid or semi-rigid blank
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/11—Halides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
Definitions
- the present invention relates to a tobacco package which has a cellulosic substrate or a cellulosic substrate.
- Tobacco packaging such as cigarette boxes, inner layer papers of cigarette boxes (so-called “inner bundling” or “inner liner”) or bags for tobacco products are known in various forms and are often based on cellulose substrates such as paper, cardboard or cardboard.
- a disadvantage of the known tobacco packaging is their moisture permeability.
- the cellulose substrate in the case of tobacco packaging according to the invention, provision is made for the cellulose substrate to be coated at least in some areas with a water-repellent layer, the water-repellent layer being a polymeric chromium (III) complex with at least one organic ligand.
- the layer has a water- and moisture-repellent effect.
- the penetration of moisture into the cellulose substrate and the penetration of the cellulose substrate is hereby greatly slowed down or completely or at least largely prevented within a normal period of use of the tobacco packaging.
- the layer consists exclusively of the polymeric chromium (III) complex with at least one organic ligand and does not contain any further compounds.
- a cellulose substrate is understood to mean a substrate which consists partly, predominantly, at least essentially completely or completely of cellulose.
- the cellulose content of the substrate can be 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31% , 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48 %, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 7
- Chromium occurs in various oxidation states from zero to +6, with trivalent and hexavalent chromium (Cr (III) and Cr (VI)) being the most stable forms. In contrast to the toxic Cr (VI), trivalent chromium (Cr (III)) is an essential trace element in the glucose and lipid metabolism. In contrast to Cr (VI), there is neither epidemiological nor animal experimental evidence of a carcinogenic potential of chromium (III) compounds. Accordingly, numerous chromium (III) compounds have been approved by the Food and Drug Administration (FDA) and, in many countries, similar approvals by corresponding national authorities, so that they are even explicitly suitable for direct contact with food, including hot and cold drinks.
- FDA Food and Drug Administration
- Organically substituted chromium (III) compounds can be applied to the cellulose substrate as an aqueous solution, and depending on the ligand or ligands, other solvents or solvent mixtures, for example, containing or consisting of short-chain aliphatic alcohols or polar solvents, can be provided.
- the applied chromium (III) compounds then react with free OH groups of the cellulose material and polymerize. After polymerisation, the chromium (III) complexes formed form a water-insoluble layer which is chemically bound by the chromium to the polar groups on the substrate surface and thereby immobilized.
- the organic ligands are oriented away from the surface of the cellulose substrate and ensure the water-repellent properties of the layer.
- the wet strength of the cellulose substrate is also increased, while the other properties of the cellulose substrate and in particular its appearance are advantageously not impaired.
- the coating solution can be applied in a manner known per se on conventional paper machines, coating machines and / or printing machines as well as at current machine speeds, with even small area-related amounts being sufficient.
- the tobacco packaging according to the invention can generally be free of metal foils such as aluminum foil and / or free of metal-coated paper or metal-coated plastic. Furthermore, it can be provided that the tobacco packaging according to the invention is not packaged in a plastic film, as a result of which better environmental compatibility and recyclability are achieved. Due to the barrier effect of the Cr (III) -containing layer, tobacco products can also be stored in the tobacco packaging according to the invention, which contain strongly non-polar substances such as essential oils, for example clove oil, mint oil and the like, without any undesired diffusion through the tobacco packaging and a associated discoloration of the tobacco packaging.
- strongly non-polar substances such as essential oils, for example clove oil, mint oil and the like
- a / an in the context of this disclosure should be read as an indefinite article, that is, without expressly specifying the contrary, always as “at least one / at least one”. Conversely, “a” can also be understood as “just one”.
- used tobacco products such as used filters, cigarette butts and the like can also be packaged in the tobacco packaging according to the invention.
- non-tobacco goods that is to say tobacco-free goods, can be packaged in the packaging according to the invention.
- the tobacco-free goods do not include chewing gum.
- the at least one organic ligand is selected from a group comprising saturated fatty acids and mono- or polyunsaturated fatty acids.
- a layer that is both water- and moisture-resistant and also grease-resistant can be produced.
- a single fatty acid type or a mixture of different fatty acid types can be used.
- Suitable fatty acids can have any number of carbon atoms and - in the case of unsaturated fatty acids - any number and position of double bonds.
- short-chain fatty acids (1-8 carbon atoms), medium-chain (8 to 12 carbon atoms), long-chain (13 to 21 carbon atoms) or very long-chain (more than 22 carbon atoms) fatty acids
- Suitable fatty acids include, for example, methanoic acid, ethanoic acid, propanoic acid, butanoic acid, pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, tetradecanoic acid, pentadecanoic acid, hexadecanoic acid, docanoic acid, heptadecanoic acid, nonicadecanoic acid, heptadecanoic acid, octadecanoic acid, heptadecanoic acid, octadecanoic acid , Te
- fatty acids with a chain length between C8 and C22 have proven to be advantageous. By using such fatty acids, layers with particularly good moisture and fat resistance properties can be realized.
- the chromium (III) complex additionally has at least one halogen ion, in particular chloride, as Comprises ligand or that the chromium (III) complex is at least substantially free of inorganic ligands. This also allows the properties of the layer to be optimally adapted to the respective application.
- the cellulose substrate has an area-specific weight between 25 g / m 2 and 600 g / m 2 .
- the cellulose substrate can have an areal specific weight of 25 g / m 2 , 30 g / m 2 , 35 g / m 2 , 40 g / m 2 , 45 g / m 2 , 50 g / m 2 , 55 g / m 2 2 , 60 g / m 2 , 65 g / m 2 , 70 g / m 2 , 75 g / m 2 , 80 g / m 2 , 85 g / m 2 , 90 g / m 2 , 95 g / m 2 , 100 g / m 2 , 105 g / m 2 , 110 g / m 2 , 115 g / m 2 , 120 g / m 2 .
- a cellulose substrate with a mass per unit area of up to 150 g / m 2 is also used in the context of the present disclosure in accordance with DIN 6735 as paper, with a mass per unit area of between 150 g / m 2 and 600 g / m 2 as cardboard and with a mass per unit area 600 g / m 2 is referred to as cardboard, whereby cardboard is understood to mean solid cardboard and corrugated cardboard. In this way, the mechanical properties of the tobacco packaging in particular can be optimally adapted to the respective application.
- the amount of the water-repellent layer applied to the cellulose substrate is between 0.01 g / m 2 and 5 g / m 2.
- the application amount can be 0.01 g / m 2 , 0.02 g / m 2 , 0.03 g / m 2 , 0.04 g / m 2 , 0.05 g / m 2 , 0.06 g / m 2 , 0.07 g / m 2 , 0.08 g / m 2 , 0.09 g / m 2 , 0.10 g / m 2 , 0, 11 g / m 2 , 0.12 g / m 2 , 0.13 g / m 2 , 0.14 g / m 2 , 0.15 g / m 2 , 0.16 g / m 2 , 0.17 g / m 2 , 0.18 g / m 2 , 0.19 g / /
- the water-repellent layer comprises at least one further polymer. This allows the properties of the layer to be adapted to different purposes. In addition, the applicability of the layer can be made easier. Furthermore, the storage stability of the chromium-containing composition used to produce the layer can be improved.
- the at least one further polymer is selected from a group comprising hydrophilic polymers, in particular starch, polyvinyl alcohol, polyvinyl acetate and / or partially hydrolyzed polyvinyl acetate as well as any copolymers thereof.
- hydrophilic polymers in particular starch, polyvinyl alcohol, polyvinyl acetate and / or partially hydrolyzed polyvinyl acetate as well as any copolymers thereof.
- the water-repellent layer is applied to the cellulose substrate by at least one application method from the group consisting of gravure printing, flexographic printing, screen printing, spraying, infusion methods, immersion, printing method-free printing methods, contactless printing methods or any combination thereof.
- the layer can be applied particularly flexibly to different cellulose substrates and for different purposes.
- the water-repellent layer is applied to the cellulose substrate over the entire area and / or in areas.
- the layer can cover the entire surface of the cellulose substrate or only one or more discrete surface areas.
- the geometry of the layer can be adapted precisely to the design and intended use of the tobacco packaging.
- the water-repellent layer is applied to one side or to several, in particular two, sides of the cellulose substrate. This, too, represents a simple possibility of optimally adapting the coating of the cellulose substrate to the respective requirements as a function of the design of the tobacco packaging.
- the cellulose substrate is preferably in the form of a web or sheet material.
- the water-repellent layer is applied to the cellulose substrate after it has been shaped. This reliably prevents damage to the layer during the shaping process, for example by cutting, punching, bending, etc.
- the cellulose substrate is therefore already present as a finished or semi-finished product or as a semi-finished product when it is coated.
- the water-repellent layer is applied to the cellulose substrate in the form of a graphic element. As a result, additional information can be provided for a user of the tobacco packaging with the aid of the water-repellent layer.
- the tobacco packaging is designed as a box, inner layer paper, bag and / or sleeve for a tobacco product.
- the advantages according to the invention can be realized for all common tobacco packagings and for any combination thereof.
- the packaging according to the invention can also be used for packaging tobacco-free goods - preferably with the exception of chewing gum.
- the tobacco packaging has at least one further coating in addition to the water-repellent layer.
- the further coating can function as an additional barrier layer, for example as a diffusion barrier against oxygen, as a barrier layer against the migration of hydrophilic or lipophilic compounds and the like.
- the further coating can serve as a cover layer to reduce the tendency to block and / or to increase the flexibility of the water-repellent layer and to protect the water-repellent layer from mechanical damage.
- the further coating is an imprint. In this way, information can advantageously be provided.
- the further coating can be produced by any suitable printing and application process.
- two or more further coatings can be provided, which can generally be identical or different.
- the further coating can have a layer thickness between 1 nm and 3 nm.
- greater layer thicknesses for example above 5 nm and layer thicknesses in the ⁇ m range between 1 ⁇ m to 1000 ⁇ m, can also be provided if required.
- the further coating can generally be produced using all suitable application techniques.
- the further coating can also be a so-called “Over Print Varnish” in order to better protect the underlying layers from external influences and / or to create a specific visual impression.
- the at least one further coating is arranged between the cellulose substrate and the water-repellent layer.
- the further coating forms a kind of Primer on which the water-repellent layer is applied.
- the further coating is arranged on a side of the water-repellent layer facing away from the cellulose substrate.
- the further coating is a cover layer which protects the underlying water-repellent layer from damage.
- the at least one further coating comprises crosslinked and / or uncrosslinked polyvinyl alcohol and / or a crosslinked and / or uncrosslinked polyvinyl alcohol copolymer.
- polyvinyl alcohol is understood to mean a thermoplastic which is at least predominantly composed of head-to-head and / or head-to-tail-linked monomers of the general formula consists.
- polyvinyl alcohol copolymers are to be understood as meaning copolymers which are at least 10 mol% of monomers of the general formula exist and, apart from any non-hydrolyzed vinyl acetate monomers present, comprise at least one further monomer type, for example an acrylate or methacrylate.
- polyvinyl alcohols and polyvinyl alcohol copolymers suitable for carrying out the invention for thermoplastic applications are, for example, Elvanol, Gohsenol, Polyviol, Poval, Mowiol, Selvol, Exceval or Mowiflex.
- different polyvinyl alcohols and / or polyvinyl alcohol copolymers can also be used in the aqueous composition.
- a crosslinking agent is understood to mean compounds which, through reaction with polyvinyl alcohol or polyvinyl alcohol copolymers, contribute to the formation of a three-dimensional network. Basically it can be used as a crosslinking agent a single chemical compound or a mixture of different chemical compounds can be used.
- Suitable crosslinking agents include, in particular, bi-, tri- or multifunctional compounds which can react with the hydroxyl groups of polyvinyl alcohol.
- Crosslinking of the polyvinyl alcohol / polyvinyl alcohol copolymer increases its moisture resistance, while uncrosslinked polyvinyl alcohol or uncrosslinked polyvinyl alcohol copolymer generally has a higher flexibility. It can be provided that a polyvinyl alcohol and / or a polyvinyl alcohol copolymer with a degree of hydrolysis between 75% and 100%, in particular between 80% and 99.9%, is or are used.
- the chemical and physical properties of the barrier layer can be adapted particularly precisely to the intended use of the packaging material and to the respective coating and drying process.
- Suitable saturated and / or unsaturated crosslinking agents are, for example, glyoxal, glutaraldehyde, acrylaldehyde, malonic acid, glutaric acid, adipic acid, citric acid, butanetetracarboxylic acid, acrylic acid, polyacrylic acid, methacrylic acid, maleic acid, methacryl methyl ester or hydroxyethyl methacrylate and any mixtures thereof, as well as polymers and / or.
- polyacrylic acid and / or polymethacrylic acid (summarized below under the term “poly (meth) acrylic acid”), whose acid groups can be esterified with the alcohol groups of the polyvinyl alcohol / polyvinyl alcohol copolymer, can be used as crosslinking agents.
- poly (meth) acrylic acid whose acid groups can be esterified with the alcohol groups of the polyvinyl alcohol / polyvinyl alcohol copolymer
- crosslinking agents can be used as crosslinking agents.
- polyalkylacrylic acids such as polyethylacrylic acid can be used.
- the at least one further coating has at least one metal, in particular aluminum and / or silver, and / or a metal compound, in particular Al 2 O 3 and / or TiO 2 , and / or an inorganic compound , in particular SiO 2 .
- metal is understood here to mean both pure elements and base alloys of the metal in question.
- the metal, the metal compound and / or the inorganic compound can be present, for example, as a pigment.
- the coating consists entirely of a metal, a metal compound and / or an inorganic compound. In this way, an additional barrier effect can be achieved.
- metals such as aluminum or silver can be applied as a coating, for example by chemical or physical vapor deposition (vapor deposition).
- vapor deposition chemical or physical vapor deposition
- the resulting layers have a high barrier effect against oxygen and moisture and can also be designed as (super) high-gloss layers.
- Fig. 1 shows a schematic perspective view of a tobacco package 10 designed as a cigarette box according to a first exemplary embodiment.
- the tobacco packaging 10 comprises a cellulose substrate 12 which is designed as an inner layer paper (so-called “inner bundling” or “inner liner”) and is coated on one or both sides with a water-repellent layer 14 in some areas or completely.
- the layer 14 consists of polymeric chromium (III) complexes which are coordinated with C 12 -C 18 fatty acid ligands. Alternatively, only one of the sides of the cellulose substrate 12 can be provided with the layer 14.
- the cellulose substrate 12 is arranged in a box 16 made of cardboard, the box 16 not being provided with a layer 14 in the exemplary embodiment shown. In principle, however, it is of course also possible to provide the box 16 with a water-repellent Cr (III) layer 14 in addition or as an alternative to the inner layer paper.
- Fig. 2 shows a schematic side view of a tobacco packaging 10 designed as a tobacco pouch, which consists of a cellulose substrate 12 provided with the water-repellent Cr (III) layer 14.
- the layer 14 is applied exclusively to the inside. This ensures that the tobacco (or other packaged goods) located in the packaging 10 does not dry out. In addition, this can advantageously ensure that no essential oils or aromatic substances (e.g. clove oil, mint oil, oil mixtures, added flavors and the like) or other volatile substances migrate out of the packaging 10.
- the cellulose substrate 12 in question is coated with an optionally alcohol-containing aqueous solution of a monomeric chromium (III) complex.
- a monomeric chromium (III) complex The chemical structure of these monomeric chromium (III) complexes has not yet been conclusively determined analytically. It is assumed that the monomers or subunits of the subsequent polymer have the structure shown in formula (I), in which R is the fatty acid radical and R ', R "is the aliphatic or aromatic radical of the alcohol in question or, in the case of an alcohol mixture, the alcohols or water in question.
- the polymerization can be initiated or controlled by increasing the temperature and changing the pH.
- the chromium (III) compound is preferably already in an oligomeric state or is present as a colloidal or sub-colloidal solution. Any deposits should be avoided or removed before application to the cellulose substrate 12 in order to ensure a high layer quality.
- the individual subunits or the oligomers already formed continue to crosslink, the chromium (III) ions reacting with free OH groups of the cellulose and thereby covalently binding the layer 14 to the surface of the cellulose substrate 12 (formula III).
- the coating solution can be applied to the cellulose substrate 12 with the aid of conventional coating machines or printing processes known per se, such as, for example, gravure printing, flexographic printing, screen printing, spraying, infusion processes, dipping, etc.
- the coating can be formed over the entire area as well as in areas.
- the cellulose substrate 12 can be present as a web or sheet material for coating or can already be configured as a finished or semi-finished product. For example, the in FIGS. 1 and 2 shown tobacco packaging 10 are coated and dried only after a corresponding shaping.
- FIGS. 3 to 18 show schematic sections through differently coated cellulose substrates 12 of a tobacco pack 10 according to the invention
- Fig. 3 a cellulose substrate 12 which is coated with the water-repellent layer 14 only on its inside, that is to say the side which is to face the packaged goods in the finished tobacco pack 10.
- Fig. 4 shows a cellulose substrate 12 which is provided on its inside with the water-repellent layer 14 and on the outside with a further coating 15.
- the further coating 15 can be an imprint.
- Fig. 5 shows a cellulose substrate 12 which is provided with the water-repellent layer 14 on its inside and on its outside.
- Fig. 6 shows a cellulose substrate 12 which is provided on its inside with the water-repellent layer 14 and on the outside with the further coating 15.
- the further coating 15 can comprise or consist of crosslinked and / or uncrosslinked polyvinyl alcohol or a polyvinyl copolymer.
- Fig. 7 shows a cellulose substrate 12, which on its inside with the water-repellent layer 14 and on the outside with the further coating 15 and a further water-repellent layer 14 is provided.
- the further coating 15 can comprise or consist of crosslinked and / or uncrosslinked polyvinyl alcohol or a polyvinyl copolymer.
- Fig. 8 shows a cellulose substrate 12 which is directly provided with a further coating 15 on its inside and outside.
- the further coatings 15 can be prints and are in turn coated with a water-repellent layer 14 each, so that the water-repellent layers 14 each form the cover layers of the layer system.
- Fig. 9 shows a cellulose substrate 12, which is coated on its inside with the water-repellent layer 14 and on the outside with two differently designed further coatings 15. Each coating 15 can be an imprint.
- Fig. 10 shows a cellulose substrate 12, which is coated on its inside with a coating 15 and the water-repellent layer 14 as a cover layer. On the outside, the cellulose substrate 12 is coated with two differently designed further coatings 15. Each coating 15 can be printed and / or contain polyvinyl alcohol (crosslinked / uncrosslinked).
- Fig. 11 shows a cellulose substrate 12, which is successively coated on its inside with the water-repellent layer 14, a coating 15 made of a metal or a metal alloy and / or an inorganic oxide and finally with a coating 15 made of polyvinyl alcohol (PVA, crosslinked or uncrosslinked).
- the middle coating 15 can be designed as a (super) high-gloss layer and produced, for example, by vapor deposition. In addition to an additional blocking effect, this also creates an advantageous visual appearance.
- Fig. 12 shows a cellulose substrate 12, which is successively provided on its inside with a water-repellent layer 14, a coating 15 made of a metal or a metal alloy and / or an inorganic oxide and finally with a further coating 15 designed as an imprint.
- a water-repellent layer 14 On the outside of the cellulose substrate 12 is a basically optional water-repellent layer 14 trained.
- at least one further coating 15, for example made of crosslinked or uncrosslinked PVA (PVOH / polyvinyl alcohol), can also be provided on the outside.
- Fig. 13 shows a cellulose substrate 12 which is only coated with a water-repellent layer 14 on its inside. On the outside, the cellulose substrate 12 is successively coated with a coating 15 made of PVA (crosslinked or uncrosslinked), a coating 15 made of a metal, a metal alloy and / or an inorganic compound such as SiO 2 and finally with a further coating 15 designed as a print .
- a coating 15 made of PVA crosslinked or uncrosslinked
- a coating 15 made of a metal, a metal alloy and / or an inorganic compound such as SiO 2 and finally with a further coating 15 designed as a print .
- Fig. 14 shows a cellulose substrate 12, which is coated on its inside first with a coating 15 designed as a print and then with a water-repellent layer 14.
- the cellulose substrate 12 is successively covered with a coating 15 made of PVA (crosslinked or uncrosslinked), a coating 15 made of a metal (e.g. Al or Ag), a metal alloy (e.g. an Al- or Ag-based alloy) and / or an inorganic compound such as SiO 2 and finally coated with a further coating 15 designed as an imprint.
- Fig. 15 shows a cellulose substrate 12, which is provided on its inside with four different coatings 15, namely one after the other with a PVA coating 15, a coating 15 made of a metal (e.g. Al or Ag), a metal alloy (e.g. a Al or Ag-based alloy) and / or an inorganic compound such as SiO 2 , a further coating 15 designed as a print and finally with a coating 15 which is designed as a so-called overprint varnish.
- the tobacco pack 10 can be equipped with a high-quality finish in order to produce a matt, satin or glossy surface. Improved slip and rub resistance properties can also be achieved.
- the cellulose substrate 12 is coated with a water-repellent layer 14 on the outside.
- Fig. 16 shows a cellulose substrate 12 which is provided on its inside with four different coatings 15, namely one after the other water-repellent layer 14, a coating 15 made of a metal (for example Al or Ag), a metal alloy (for example an Al or Ag-based alloy) and / or an inorganic compound such as SiO 2 , one in the form of a print further coating 15 and finally with a coating 15, which is designed as a so-called overprint varnish (Over Print Varnish). Only a single PVA coating 15 is applied to the outside.
- a metal for example Al or Ag
- a metal alloy for example an Al or Ag-based alloy
- SiO 2 an inorganic compound
- a coating 15 which is designed as a so-called overprint varnish (Over Print Varnish). Only a single PVA coating 15 is applied to the outside.
- Fig. 17 shows a cellulose substrate 12, which is provided on its outside with four different coatings 15, namely one after the other with a PVA coating 15, a coating 15 made of a metal (e.g. Al or Ag), a metal alloy (e.g. a Al or Ag-based alloy) and / or an inorganic compound such as SiO 2 , a further coating 15 designed as a print and finally with a coating 15 which is designed as a so-called overprint varnish.
- the cellulose substrate 12 is coated with a water-repellent layer 14 on the inside.
- FIG. 8 shows a cellulose substrate 12 which is coated on its inside with a PVA coating 15 and a water-repellent layer 14 serving as a cover layer.
- the cellulose substrate 12 is provided with four different coatings 15, namely one after the other with a PVA coating 15, a coating 15 made of a metal (e.g. Al or Ag), a metal alloy (e.g. an Al or Ag-based alloy) and / or an inorganic compound such as SiO 2 , a further coating 15 designed as a print and finally with a coating 15 that is designed as an overprint varnish.
- a metal e.g. Al or Ag
- a metal alloy e.g. an Al or Ag-based alloy
- an inorganic compound such as SiO 2
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Abstract
Die Erfindung betrifft eine Tabakverpackung (10), welche ein Cellulosesubstrat (12) aufweist, wobei das Cellulosesubstrat (12) zumindest bereichsweise mit einer wasserabweisenden Schicht (14) beschichtet ist, wobei die wasserabweisende Schicht (14) einen polymeren Chrom(III)-Komplex mit wenigstens einem organischen Liganden (R) umfasst.The invention relates to a tobacco pack (10) which has a cellulose substrate (12), the cellulose substrate (12) being coated at least in some areas with a water-repellent layer (14), the water-repellent layer (14) being a polymeric chromium (III) complex with at least one organic ligand (R).
Description
Die vorliegende Erfindung betrifft eine Tabakverpackung, welche ein Cellulosesubstrat oder ein cellulosehaltiges Substrat aufweist.The present invention relates to a tobacco package which has a cellulosic substrate or a cellulosic substrate.
Tabakverpackungen wie beispielsweise Zigarettenschachteln, Innenlagenpapiere von Zigarettenschachteln (so genannte "inner bundling" oder "inner liner") oder Beutel für Tabakprodukte sind in unterschiedlichen Ausgestaltungsformen bekannt und basieren häufig auf Cellulosesubstraten wie Papier, Karton oder Pappe.Tobacco packaging such as cigarette boxes, inner layer papers of cigarette boxes (so-called "inner bundling" or "inner liner") or bags for tobacco products are known in various forms and are often based on cellulose substrates such as paper, cardboard or cardboard.
Als nachteilig an den bekannten Tabakverpackungen ist ihre Feuchtigkeitsdurchlässigkeit anzusehen.A disadvantage of the known tobacco packaging is their moisture permeability.
Es ist daher Aufgabe der vorliegenden Erfindung, eine Tabakverpackung auf Cellulosebasis bereitzustellen, welche eine verbesserte Feuchtigkeitsdurchlässigkeit aufweist.It is therefore the object of the present invention to provide a cellulose-based tobacco packaging which has improved moisture permeability.
Die Aufgabe wird erfindungsgemäß durch eine Tabakverpackung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen sind in den abhängigen Ansprüchen beschrieben.The object is achieved according to the invention by a tobacco packaging having the features of claim 1. Advantageous configurations are described in the dependent claims.
Bei einer erfindungsgemäßen Tabakverpackung ist es vorgesehen, dass das Cellulosesubstrat zumindest bereichsweise mit einer wasserabweisenden Schicht beschichtet ist, wobei die wasserabweisende Schicht einen polymeren Chrom(III)-Komplex mit wenigstens einem organischen Liganden umfasst. Die Schicht weist dadurch eine wasser- bzw. feuchtigkeitsabweisende Wirkung auf. Das Eindringen von Feuchtigkeit in das Cellulosesubstrat und das Durchdringen des Cellulosesubstrats wird hierdurch stark verlangsamt bzw. innerhalb eines üblichen Benutzungszeitraums der Tabakverpackung vollständig oder zumindest weitgehend unterbunden. In einfachster Ausgestaltung besteht die Schicht ausschließlich aus dem polymeren Chrom(III)-Komplex mit wenigstens einem organischen Liganden und enthält keine weiteren Verbindungen. Unter einem Cellulosesubstrat wird im Rahmen der vorliegenden Offenbarung ein Substrat verstanden, das teilweise, überwiegend, zumindest im Wesentlichen vollständig oder vollständig aus Cellulose besteht. Mit anderen Worten kann der Celluloseanteil am Substrat 1 %, 2 %, 3 %, 4 %, 5 %, 6 %, 7 %, 8 %, 9 %, 10 %, 11 %, 12 %, 13 %, 14 %, 15 %, 16 %, 17 %, 18 %, 19 %, 20 %, 21 %, 22 %, 23 %, 24 %, 25 %, 26 %, 27 %, 28 %, 29 %, 30 %, 31 %, 32 %, 33 %, 34 %, 35 %, 36 %, 37 %, 38 %, 39 %, 40 %, 41 %, 42 %, 43 %, 44 %, 45 %, 46 %, 47 %, 48 %, 49 %, 50 %, 51 %, 52 %, 53 %, 54 %, 55 %, 56 %, 57 %, 58 %, 59 %, 60 %, 61 %, 62 %, 63 %, 64 %, 65 %, 66 %, 67 %, 68 %, 69 %, 70 %, 71 %, 72 %, 73 %, 74 %, 75 %, 76 %, 77 %, 78 %, 79 %, 80 %, 81 %, 82 %, 83 %, 84 %, 85 %, 86 %, 87 %, 88 %, 89 %, 90 %, 91 %, 92 %, 93 %, 94 %, 95 %, 96 %, 97 %, 98 %, 99 % oder 100 % betragen, wobei die prozentualen Angaben Gewichtsprozente angeben. Chrom kommt in verschiedenen Oxidationsstufen von Null bis +6 vor, wobei das dreiwertige und das sechswertige Chrom (Cr(III) und Cr(VI)) die stabilsten Formen darstellen. Dreiwertiges Chrom (Cr(III)) ist im Gegensatz zum toxischen Cr(VI) ein essentielles Spurenelement im Glukose- und Lipid-Metabolismus. Im Gegensatz zu Cr(VI) gibt es weder epidemiologische noch tierexperimentelle Belege für ein kanzerogenes Potential von Chrom(III)-Verbindungen. Dementsprechend besitzen zahlreiche Chrom(III)-Verbindungen eine Zulassung der Food and Drug Administration (FDA) und in vielen Ländern ähnliche Zulassungen durch entsprechende nationale Behörden, so dass sie sogar explizit für den direkten Lebensmittelkontakt geeignet sind, wobei warme und kalte Getränke eingeschlossen sind. Organisch substituierte Chrom(III)-Verbindungen können als wässrige Lösung auf das Cellulosesubstrat aufgetragen werden, wobei in Abhängigkeit des oder der Liganden auch andere Lösungsmittel oder Lösungsmittelgemische, die beispielsweise kurzkettige aliphatische Alkohole oder polare Lösungsmittel enthalten oder aus diesen bestehen, vorgesehen sein können.In the case of tobacco packaging according to the invention, provision is made for the cellulose substrate to be coated at least in some areas with a water-repellent layer, the water-repellent layer being a polymeric chromium (III) complex with at least one organic ligand. As a result, the layer has a water- and moisture-repellent effect. The penetration of moisture into the cellulose substrate and the penetration of the cellulose substrate is hereby greatly slowed down or completely or at least largely prevented within a normal period of use of the tobacco packaging. In the simplest embodiment, the layer consists exclusively of the polymeric chromium (III) complex with at least one organic ligand and does not contain any further compounds. In the context of the present disclosure, a cellulose substrate is understood to mean a substrate which consists partly, predominantly, at least essentially completely or completely of cellulose. In other words, the cellulose content of the substrate can be 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31% , 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48 %, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81% , 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98 %, 99% or 100%, the percentages indicating percentages by weight. Chromium occurs in various oxidation states from zero to +6, with trivalent and hexavalent chromium (Cr (III) and Cr (VI)) being the most stable forms. In contrast to the toxic Cr (VI), trivalent chromium (Cr (III)) is an essential trace element in the glucose and lipid metabolism. In contrast to Cr (VI), there is neither epidemiological nor animal experimental evidence of a carcinogenic potential of chromium (III) compounds. Accordingly, numerous chromium (III) compounds have been approved by the Food and Drug Administration (FDA) and, in many countries, similar approvals by corresponding national authorities, so that they are even explicitly suitable for direct contact with food, including hot and cold drinks. Organically substituted chromium (III) compounds can be applied to the cellulose substrate as an aqueous solution, and depending on the ligand or ligands, other solvents or solvent mixtures, for example, containing or consisting of short-chain aliphatic alcohols or polar solvents, can be provided.
Die aufgetragenen Chrom(III)-Verbindungen reagieren dann mit freien OH-Gruppen des Cellulosematerials und polymerisieren aus. Nach dem Polymerisieren bilden die entstandenen Chrom(III)-Komplexe eine wasserunlösliche Schicht, die durch das Chrom chemisch an die polaren Gruppen auf der Substratoberfläche gebunden und dadurch immobilisiert ist. Die organischen Liganden sind von der Oberfläche des Cellulosesubstrats weg orientiert und sorgen für die wasserabweisenden Eigenschaften der Schicht. Ebenso wird die Nassfestigkeit des Cellulosesubstrats erhöht, während die sonstigen Eigenschaften des Cellulosesubstrats und insbesondere sein Aussehen vorteilhafter Weise nicht beeinträchtigt werden. Die Beschichtungslösung kann auf gängigen Papiermaschinen, Beschichtungsmaschinen und/oder Druckmaschinen sowie bei gängigen Maschinengeschwindigkeiten in an sich bekannter Weise aufgebracht werden, wobei bereits geringe flächenbezogene Mengen ausreichend sind. Aufgrund der Sperrwirkung der Cr(III)-haltigen Schicht kann die erfindungsgemäße Tabakverpackung generell frei von Metallfolien wie beispielsweise Aluminiumfolie und/oder frei von metallbeschichtetem Papier oder metallbeschichtetem Kunststoff ausgebildet sein. Weiterhin kann es vorgesehen sein, dass die erfindungsgemäße Tabakverpackung nicht in einer Kunststofffolie verpackt ist, wodurch eine bessere Umweltverträglichkeit und Recyclingfähigkeit erreicht werden. Durch die Sperrwirkung der Cr(III)-haltigen Schicht können auch Tabakprodukte in der erfindungsgemäßen Tabakverpackung gelagert werden, die stark apolare Stoffe wie ätherische Öle, beispielsweise Nelkenöl, Minzöl und dergleichen, enthalten, ohne dass es zu einer unerwünschten Diffusion durch die Tabakverpackung und einer damit verbundenen Verfärbung der Tabakverpackung kommt. Generell sind "ein/eine" im Rahmen dieser Offenbarung als unbestimmte Artikel zu lesen, also ohne ausdrücklich gegenteilige Angabe immer auch als "mindestens ein/mindestens eine". Umgekehrt können "ein/eine" auch als "nur ein/nur eine" verstanden werden. Alternativ oder zusätzlich zu "frischen" Tabakprodukten können in der erfindungsgemäßen Tabakverpackung auch gebrauchte Tabakprodukte wie beispielsweise gebrauchte Filter, Zigarettenstummel und dergleichen verpackt werden. Ebenso kann es grundsätzlich vorgesehen sein, dass Nicht-Tabakwaren, das heißt tabakfreie Güter, in der erfindungsgemäßen Verpackung verpackt werden können. Vorzugsweise umfassen die tabakfreien Güter nicht Kaugummi.The applied chromium (III) compounds then react with free OH groups of the cellulose material and polymerize. After polymerisation, the chromium (III) complexes formed form a water-insoluble layer which is chemically bound by the chromium to the polar groups on the substrate surface and thereby immobilized. The organic ligands are oriented away from the surface of the cellulose substrate and ensure the water-repellent properties of the layer. The wet strength of the cellulose substrate is also increased, while the other properties of the cellulose substrate and in particular its appearance are advantageously not impaired. The coating solution can be applied in a manner known per se on conventional paper machines, coating machines and / or printing machines as well as at current machine speeds, with even small area-related amounts being sufficient. Due to the blocking effect of the Cr (III) -containing layer, the tobacco packaging according to the invention can generally be free of metal foils such as aluminum foil and / or free of metal-coated paper or metal-coated plastic. Furthermore, it can be provided that the tobacco packaging according to the invention is not packaged in a plastic film, as a result of which better environmental compatibility and recyclability are achieved. Due to the barrier effect of the Cr (III) -containing layer, tobacco products can also be stored in the tobacco packaging according to the invention, which contain strongly non-polar substances such as essential oils, for example clove oil, mint oil and the like, without any undesired diffusion through the tobacco packaging and a associated discoloration of the tobacco packaging. In general, "a / an" in the context of this disclosure should be read as an indefinite article, that is, without expressly specifying the contrary, always as "at least one / at least one". Conversely, “a” can also be understood as “just one”. As an alternative or in addition to "fresh" tobacco products, used tobacco products such as used filters, cigarette butts and the like can also be packaged in the tobacco packaging according to the invention. Likewise, it can basically be provided that non-tobacco goods, that is to say tobacco-free goods, can be packaged in the packaging according to the invention. Preferably the tobacco-free goods do not include chewing gum.
In einer vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass der wenigstens eine organische Ligand ausgewählt ist aus einer Gruppe, die gesättigte Fettsäuren und einfach oder mehrfach ungesättigte Fettsäuren umfasst. Hierdurch kann eine sowohl wasser- bzw. feuchtigkeitsbeständige als auch fettbeständige Schicht hergestellt werden. Im Rahmen der vorliegenden Offenbarung kann ein einzelner Fettsäuretyp oder eine Mischung unterschiedlicher Fettsäuretypen verwendet werden. Geeignete Fettsäuren können dabei eine beliebige Anzahl an C-Atomen und - bei ungesättigten Fettsäuren - eine beliebige Anzahl und Position von Doppelbindungen aufweisen. Beispielsweise können kurzkettige Fettsäuren (1-8 C-Atome), mittelkettige (8 bis 12 C-Atome), langkettige (13 bis 21 C-Atome) oder sehr langkettige (mehr als 22 C-Atome) Fettsäuren verwendet werden. Geeignete Fettsäuren umfassen beispielsweise Methansäure, Ethansäure, Propansäure, Butansäure, Pentansäure, Hexansäure, Heptansäure, Octansäure, Nonansäure, Decansäure, Undecansäure, Dodecansäure, Tridecansäure, Tetradecansäure, Pentadecansäure, Hexadecansäure, Heptadecansäure, Octadecansäure, Nonadecansäure, Eicosan-/Icosansäure, Heneicosansäure, Docosansäure, Tetracosansäure, Hexacosansäure, Octacosansäure, Triacontansäure, Dotriacontansäure, Tetratriacontansäure, Undecylensäure, Myristoleinsäure, Palmitoleinsäure, Margaroleinsäure, Petroselinsäure, Ölsäure, Elaidinsäure, Vaccensäure, Gadoleinsäure, Gondosäure, Cetoleinsäure, Erucasäure, Nervonsäure, Linolsäure, Alpha-Linolensäure, Gamma-Linolensäure, Calendulasäure, Punicinsäure, Alpha-Eleostearinsäure, Beta-Eleostearinsäure, Stearidonsäure, Arachidonsäure, Eicosapentaensäure, Docosadiensäure, Docosatetraensäure, Docosapentaensäure, Docosahexaensäure und Tetracosahexaensäure, wobei diese Aufzählung nicht als abschließend anzusehen ist.In an advantageous embodiment of the invention it is provided that the at least one organic ligand is selected from a group comprising saturated fatty acids and mono- or polyunsaturated fatty acids. In this way, a layer that is both water- and moisture-resistant and also grease-resistant can be produced. In the context of the present disclosure, a single fatty acid type or a mixture of different fatty acid types can be used. Suitable fatty acids can have any number of carbon atoms and - in the case of unsaturated fatty acids - any number and position of double bonds. For example, short-chain fatty acids (1-8 carbon atoms), medium-chain (8 to 12 carbon atoms), long-chain (13 to 21 carbon atoms) or very long-chain (more than 22 carbon atoms) fatty acids can be used. Suitable fatty acids include, for example, methanoic acid, ethanoic acid, propanoic acid, butanoic acid, pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, tetradecanoic acid, pentadecanoic acid, hexadecanoic acid, docanoic acid, heptadecanoic acid, nonicadecanoic acid, heptadecanoic acid, octadecanoic acid, heptadecanoic acid, octadecanoic acid , Tetracosanoic acid, hexacosanoic acid, octacosanoic acid, triacontanoic acid, dotriacontanoic acid, tetratriacontanoic acid, undecylenic acid, myristoleic acid, palmitoleic acid, margaroleic acid, petroselinic acid, oleic acid, elaidic acid, vaccenic acid, gadoleic acid, linoleic acid, gondoic acid, cetoleic acid , Punicic acid, alpha-eleostearic acid, beta-eleostearic acid, stearidonic acid, arachidonic acid, eicosapentaenoic acid, docosadienoic acid, docosatetraenoic acid, docosapentaenoic acid, docosahexaenoic acid and tetracosahexaenoic acid, although this list should not be regarded as exhaustive i st.
Als vorteilhaft haben sich in weiterer Ausgestaltung Fettsäuren mit einer Kettenlänge zwischen C8 und C22 gezeigt. Durch die Verwendung solcher Fettsäuren können Schichten mit besonders guten Feuchtigkeits- und Fettbeständigkeitseigenschaften realisiert werden.In a further embodiment, fatty acids with a chain length between C8 and C22 have proven to be advantageous. By using such fatty acids, layers with particularly good moisture and fat resistance properties can be realized.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass der Chrom(III)-Komplex zusätzlich wenigstens ein Halogenion, insbesondere Chlorid, als Ligand umfasst oder dass der Chrom(III)-Komplex zumindest im Wesentlichen frei von anorganischen Liganden ist. Auch hierdurch können die Eigenschaften der Schicht optimal an den jeweiligen Einsatzzweck angepasst werden.In a further advantageous embodiment of the invention it is provided that the chromium (III) complex additionally has at least one halogen ion, in particular chloride, as Comprises ligand or that the chromium (III) complex is at least substantially free of inorganic ligands. This also allows the properties of the layer to be optimally adapted to the respective application.
Weitere Vorteile ergeben sich dadurch, dass das Cellulosesubstrat ein flächenspezifisches Gewicht zwischen 25 g/m2 und 600 g/m2 besitzt. Mit anderen Worten kann das Cellulosesubstrat ein flächenspezifisches Gewicht von 25 g/m2, 30 g/m2, 35 g/m2, 40 g/m2, 45 g/m2, 50 g/m2, 55 g/m2, 60 g/m2, 65 g/m2, 70 g/m2, 75 g/m2, 80 g/m2, 85 g/m2, 90 g/m2, 95 g/m2, 100 g/m2, 105 g/m2, 110 g/m2, 115 g/m2, 120 g/m2, 125 g/m2, 130 g/m2, 135 g/m2, 140 g/m2, 145 g/m2, 150 g/m2, 155 g/m2, 160 g/m2, 165 g/m2, 170 g/m2, 175 g/m2, 180 g/m2, 185 g/m2, 190 g/m2, 195 g/m2, 200 g/m2, 205 g/m2, 210 g/m2, 215 g/m2, 220 g/m2, 225 g/m2, 230 g/m2, 235 g/m2, 240 g/m2, 245 g/m2, 250 g/m2, 255 g/m2, 260 g/m2, 265 g/m2, 270 g/m2, 275 g/m2, 280 g/m2, 285 g/m2, 290 g/m2, 295 g/m2, 300 g/m2, 305 g/m2, 310 g/m2, 315 g/m2, 320 g/m2, 325 g/m2, 330 g/m2, 335 g/m2, 340 g/m2, 345 g/m2, 350 g/m2, 355 g/m2, 360 g/m2, 365 g/m2, 370 g/m2, 375 g/m2, 380 g/m2, 385 g/m2, 390 g/m2, 395 g/m2, 400 g/m2, 405 g/m2, 410 g/m2, 415 g/m2, 420 g/m2, 425 g/m2, 430 g/m2, 435 g/m2, 440 g/m2, 445 g/m2, 450 g/m2, 455 g/m2, 460 g/m2, 465 g/m2, 470 g/m2, 475 g/m2, 480 g/m2, 485 g/m2, 490 g/m2, 495 g/m2, 500 g/m2, 505 g/m2, 510 g/m2, 515 g/m2, 520 g/m2, 525 g/m2, 530 g/m2, 535 g/m2, 540 g/m2, 545 g/m2, 550 g/m2, 555 g/m2, 560 g/m2, 565 g/m2, 570 g/m2, 575 g/m2, 580 g/m2, 585 g/m2, 590 g/m2, 595 g/m2 oder 600 g/m2 besitzen, wobei entsprechende Zwischenwerte und - bereiche als mitoffenbart anzusehen sind. Ein Cellulosesubstrat mit einer flächenbezogenen Masse bis zu 150 g/m2 wird im Rahmen der vorliegenden Offenbarung gemäß DIN 6735 auch als Papier, mit einer flächenbezogenen Masse zwischen 150 g/m2 und 600 g/m2 als Karton und mit einer flächenbezogenen Masse über 600 g/m2 als Pappe bezeichnet, wobei unter Pappe Vollpappe und Wellpappe verstanden wird. Auf diese Weise können insbesondere die mechanischen Eigenschaften der Tabakverpackung optimal an den jeweiligen Einsatzzweck angepasst werden.Further advantages result from the fact that the cellulose substrate has an area-specific weight between 25 g / m 2 and 600 g / m 2 . In other words, the cellulose substrate can have an areal specific weight of 25 g / m 2 , 30 g / m 2 , 35 g / m 2 , 40 g / m 2 , 45 g / m 2 , 50 g / m 2 , 55 g / m 2 2 , 60 g / m 2 , 65 g / m 2 , 70 g / m 2 , 75 g / m 2 , 80 g / m 2 , 85 g / m 2 , 90 g / m 2 , 95 g / m 2 , 100 g / m 2 , 105 g / m 2 , 110 g / m 2 , 115 g / m 2 , 120 g / m 2 , 125 g / m 2 , 130 g / m 2 , 135 g / m 2 , 140 g / m2 , 145 g / m2 , 150 g / m2 , 155 g / m2 , 160 g / m2 , 165 g / m2 , 170 g / m2 , 175 g / m2 , 180 g / m2 2 , 185 g / m 2 , 190 g / m 2 , 195 g / m 2 , 200 g / m 2 , 205 g / m 2 , 210 g / m 2 , 215 g / m 2 , 220 g / m 2 , 225 g / m 2 , 230 g / m 2 , 235 g / m 2 , 240 g / m 2 , 245 g / m 2 , 250 g / m 2 , 255 g / m 2 , 260 g / m 2 , 265 g / m2 , 270 g / m2 , 275 g / m2 , 280 g / m2 , 285 g / m2 , 290 g / m2 , 295 g / m2 , 300 g / m2 , 305 g / m2 2 , 310 g / m 2 , 315 g / m 2 , 320 g / m 2 , 325 g / m 2 , 330 g / m 2 , 335 g / m 2 , 340 g / m 2 , 345 g / m 2 , 350 g / m 2 , 355 g / m 2 , 360 g / m 2 , 365 g / m 2 , 370 g / m 2 , 375 g / m 2 , 380 g / m 2 , 385 g / m 2 , 390 g / m 2 , 395 g / m 2 , 400 g / m 2 , 405 g / m 2 , 410 g / m 2 , 415 g / m 2 , 420 g / m 2 , 425 g / m 2 , 430 g / m 2 , 435 g / m 2 , 440 g / m 2 , 445 g / m 2 , 450 g / m 2 , 455 g / m 2 , 460 g / m 2 , 465 g / m 2 , 470 g / m 2 , 475 g / m 2 , 480 g / m 2 , 485 g / m 2 , 490 g / m 2 , 495 g / m 2 , 500 g / m 2 , 505 g / m 2 , 510 g / m 2 , 515 g / m 2 , 520 g / m 2 , 525 g / m 2 , 530 g / m 2 , 535 g / m 2 , 540 g / m 2 , 545 g / m 2 , 550 g / m 2 , 555 g / m 2 , 560 g / m 2 , 565 g / m 2 , 570 g / m 2 , 575 g / m 2 , 580 g / m 2 , 585 g / m 2 , 590 g / m 2 , 595 g / m 2 or 600 g / m 2 , whereby corresponding intermediate values and ranges are to be regarded as also disclosed. A cellulose substrate with a mass per unit area of up to 150 g / m 2 is also used in the context of the present disclosure in accordance with DIN 6735 as paper, with a mass per unit area of between 150 g / m 2 and 600 g / m 2 as cardboard and with a mass per unit area 600 g / m 2 is referred to as cardboard, whereby cardboard is understood to mean solid cardboard and corrugated cardboard. In this way, the mechanical properties of the tobacco packaging in particular can be optimally adapted to the respective application.
Weitere Vorteile ergeben sich, indem eine Auftragsmenge der wasserabweisenden Schicht auf dem Cellulosesubstrat zwischen 0,01 g/m2 und 5 g/m2 beträgt. Mit anderen Worten kann die Auftragsmenge 0,01 g/m2, 0,02 g/m2, 0,03 g/m2, 0,04 g/m2, 0,05 g/m2, 0,06 g/m2, 0,07 g/m2, 0,08 g/m2, 0,09 g/m2, 0,10 g/m2, 0,11 g/m2, 0,12 g/m2, 0,13 g/m2, 0,14 g/m2, 0,15 g/m2, 0,16 g/m2, 0,17 g/m2, 0,18 g/m2, 0,19 g/m2, 0,20 g/m2, 0,21 g/m2, 0,22 g/m2, 0,23 g/m2, 0,24 g/m2, 0,25 g/m2, 0,26 g/m2, 0,27 g/m2, 0,28 g/m2, 0,29 g/m2, 0,30 g/m2, 0,31 g/m2, 0,32 g/m2, 0,33 g/m2 0,34 g/m2 0,35 g/m2 0,36 g/m2 0,37 g/m2 0,38 g/m2 0,39 g/m2, 0,40 g/m2, 0,41 g/m2, 0,42 g/m2, 0,43 g/m2, 0,44 g/m2, 0,45 g/m2, 0,46 g/m2, 0,47 g/m2, 0,48 g/m2, 0,49 g/m2, 0,50 g/m2, 0,51 g/m2, 0,52 g/m2, 0,53 g/m2, 0,54 g/m2, 0,55 g/m2, 0,56 g/m2, 0,57 g/m2, 0,58 g/m2, 0,59 g/m2, 0,60 g/m2, 0,61 g/m2, 0,62 g/m2, 0,63 g/m2, 0,64 g/m2, 0,65 g/m2, 0,66 g/m2, 0,67 g/m2, 0,68 g/m2, 0,69 g/m2, 0,70 g/m2, 0,71 g/m2, 0,72 g/m2, 0,73 g/m2, 0,74 g/m2, 0,75 g/m2, 0,76 g/m2, 0,77 g/m2, 0,78 g/m2, 0,79 g/m2, 0,80 g/m2, 0,81 g/m2, 0,82 g/m2, 0,83 g/m2, 0,84 g/m2, 0,85 g/m2, 0,86 g/m2, 0,87 g/m2, 0,88 g/m2, 0,89 g/m2, 0,90 g/m2, 0,91 g/m2, 0,92 g/m2, 0,93 g/m2, 0,94 g/m2, 0,95 g/m2, 0,96 g/m2, 0,97 g/m2, 0,98 g/m2, 0,99 g/m2, 1,0 g/m2, 1,1 g/m2, 1,2 g/m2, 1,3 g/m2, 1,4 g/m2, 1,5 g/m2, 1,6 g/m2, 1,7 g/m2, 1,8 g/m2, 1,9 g/m2, 2,0 g/m2, 2,1 g/m2, 2,2 g/m2, 2,3 g/m2, 2,4 g/m2, 2,5 g/m2, 2,6 g/m2, 2,7 g/m2, 2,8 g/m2, 2,9 g/m2, 3,0 g/m2, 3,1 g/m2, 3,2 g/m2, 3,3 g/m2, 3,4 g/m2, 3,5 g/m2, 3,6 g/m2, 3,7 g/m2, 3,8 g/m2, 3,9 g/m2, 4,0 g/m2, 4,1 g/m2, 4,2 g/m2, 4,3 g/m2, 4,4 g/m2, 4,5 g/m2, 4,6 g/m2, 4,7 g/m2, 4,8 g/m2, 4,9 g/m2 oder 5,0 g/m2 betragen, wobei entsprechende Zwischenwerte und -bereich als mitoffenbart anzusehen sind. Hierdurch kann die Sperrwirkung gegenüber Feuchtigkeit und gegebenenfalls gegenüber Fetten optimal an den jeweiligen Einsatzzweck angepasst werden.Further advantages result in that the amount of the water-repellent layer applied to the cellulose substrate is between 0.01 g / m 2 and 5 g / m 2. In other words, the application amount can be 0.01 g / m 2 , 0.02 g / m 2 , 0.03 g / m 2 , 0.04 g / m 2 , 0.05 g / m 2 , 0.06 g / m 2 , 0.07 g / m 2 , 0.08 g / m 2 , 0.09 g / m 2 , 0.10 g / m 2 , 0, 11 g / m 2 , 0.12 g / m 2 , 0.13 g / m 2 , 0.14 g / m 2 , 0.15 g / m 2 , 0.16 g / m 2 , 0.17 g / m 2 , 0.18 g / m 2 , 0.19 g / m 2 , 0.20 g / m 2 , 0.21 g / m 2 , 0.22 g / m 2 , 0.23 g / m 2 , 0.24 g / m 2 , 0.25 g / m 2 , 0.26 g / m 2 , 0.27 g / m 2 , 0.28 g / m 2 , 0.29 g / m 2 , 0.30 g / m 2 , 0.31 g / m 2 , 0.32 g / m 2 , 0.33 g / m 2 0.34 g / m 2 0.35 g / m 2 0.36 g / m 2 0.37 g / m 2 0.38 g / m 2 0.39 g / m 2 , 0.40 g / m 2 , 0.41 g / m 2 , 0.42 g / m 2 , 0, 43 g / m 2 , 0.44 g / m 2 , 0.45 g / m 2 , 0.46 g / m 2 , 0.47 g / m 2 , 0.48 g / m 2 , 0.49 g / m 2 , 0.50 g / m 2 , 0.51 g / m 2 , 0.52 g / m 2 , 0.53 g / m 2 , 0.54 g / m 2 , 0.55 g / m 2 , 0.56 g / m 2 , 0.57 g / m 2 , 0.58 g / m 2 , 0.59 g / m 2 , 0.60 g / m 2 , 0.61 g / m 2 , 0.62 g / m 2 , 0.63 g / m 2 , 0.64 g / m 2 , 0.65 g / m 2 , 0.66 g / m 2 , 0.67 g / m 2 , 0, 68 g / m 2 , 0.69 g / m 2 , 0.70 g / m 2 , 0.71 g / m 2 , 0.72 g / m 2 , 0.73 g / m 2 , 0.74 g / m 2 , 0.75 g / m 2 , 0.76 g / m 2 , 0.77 g / m 2 , 0.78 g / m 2 , 0.79 g / m 2 , 0.80 g / m 2 , 0.81 g / m 2 , 0.82 g / m 2 , 0.83 g / m 2 , 0.84 g / m 2 , 0.85 g / m 2 , 0.86 g / m 2 , 0.87 g / m 2 , 0.88 g / m 2 , 0 , 89 g / m 2 , 0.90 g / m 2 , 0.91 g / m 2 , 0.92 g / m 2 , 0.93 g / m 2 , 0.94 g / m 2 , 0.95 g / m 2 , 0.96 g / m 2 , 0.97 g / m 2 , 0.98 g / m 2 , 0.99 g / m 2 , 1.0 g / m 2 , 1.1 g / m 2 , 1.2 g / m 2 , 1.3 g / m 2 , 1.4 g / m 2 , 1.5 g / m 2 , 1.6 g / m 2 , 1.7 g / m 2 , 1.8 g / m 2 , 1.9 g / m 2 , 2.0 g / m 2 , 2.1 g / m 2 , 2.2 g / m 2 , 2.3 g / m 2 , 2 , 4 g / m 2 , 2.5 g / m 2 , 2.6 g / m 2 , 2.7 g / m 2 , 2.8 g / m 2 , 2.9 g / m 2 , 3.0 g / m 2 , 3.1 g / m 2 , 3.2 g / m 2 , 3.3 g / m 2 , 3.4 g / m 2 , 3.5 g / m 2 , 3.6 g / m 2 , 3.7 g / m 2 , 3.8 g / m 2 , 3.9 g / m 2 , 4.0 g / m 2 , 4.1 g / m 2 , 4.2 g / m 2 , 4.3 g / m 2 , 4.4 g / m 2 , 4.5 g / m 2 , 4.6 g / m 2 , 4.7 g / m 2 , 4.8 g / m 2 , 4 , 9 g / m 2 or 5.0 g / m 2 , whereby corresponding intermediate values and ranges are to be regarded as also disclosed. As a result, the barrier effect against moisture and possibly against fats can be optimally adapted to the respective application.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass die wasserabweisende Schicht wenigstens ein weiteres Polymer umfasst. Hierdurch können die Eigenschaften der Schicht an unterschiedliche Einsatzzwecke angepasst werden. Darüber hinaus kann die Auftragbarkeit der Schicht erleichtert werden. Weiterhin kann die Lagerstabilität der zum Herstellen der Schicht verwendeten Chrom-haltigen Zusammensetzung verbessert werden.In a further advantageous embodiment of the invention it is provided that the water-repellent layer comprises at least one further polymer. This allows the properties of the layer to be adapted to different purposes. In addition, the applicability of the layer can be made easier. Furthermore, the storage stability of the chromium-containing composition used to produce the layer can be improved.
Dabei hat es sich als vorteilhaft gezeigt, dass das wenigstens eine weitere Polymer ausgewählt ist aus einer Gruppe, die hydrophile Polymere umfasst, insbesondere Stärke, Polyvinylalkohol, Polyvinylacetat und/oder teilhydrolysiertes Polyvinylacetat sowie beliebige Copolymere davon. Hierdurch können insbesondere die Flexibilität und Bedruckbarkeit der Schicht verbessert werden.It has been shown to be advantageous that the at least one further polymer is selected from a group comprising hydrophilic polymers, in particular starch, polyvinyl alcohol, polyvinyl acetate and / or partially hydrolyzed polyvinyl acetate as well as any copolymers thereof. In this way, in particular the flexibility and printability of the layer can be improved.
Weitere Vorteile ergeben sich, indem die wasserabweisende Schicht durch wenigstens ein Auftragsverfahren aus der Gruppe Tiefdruck, Flexodruck, Siebdruck, Sprühen, Aufgussverfahren, Eintauchen, druckformfreie Druckverfahren, berührungslose Druckverfahren oder eine beliebige Kombination hieraus auf das Cellulosesubstrat aufgebracht ist. Auf diese Weise kann die Schicht besonders flexibel auf unterschiedliche Cellulosesubstrate sowie für unterschiedliche Anwendungszwecke aufgebracht werden.Further advantages result in that the water-repellent layer is applied to the cellulose substrate by at least one application method from the group consisting of gravure printing, flexographic printing, screen printing, spraying, infusion methods, immersion, printing method-free printing methods, contactless printing methods or any combination thereof. In this way, the layer can be applied particularly flexibly to different cellulose substrates and for different purposes.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass die wasserabweisende Schicht vollflächig und/oder bereichsweise auf das Cellulosesubstrat aufgebracht ist. Mit anderen Worten kann die Schicht die gesamte Oberfläche des Cellulosesubstrats oder nur einen oder mehrere diskrete Oberflächenbereiche bedecken. Hierdurch kann die Geometrie der Schicht präzise an die Ausgestaltung und den Einsatzzweck der Tabakverpackung angepasst werden. Alternativ oder zusätzlich ist es vorgesehen, dass die wasserabweisende Schicht auf einer Seite oder auf mehreren, insbesondere zwei, Seiten des Cellulosesubstrats aufgebracht ist. Auch dies stellt eine einfache Möglichkeit dar, um die Beschichtung des Cellulosesubstrats in Abhängigkeit der Ausgestaltung der Tabakverpackung optimal an die jeweiligen Anforderungen anzupassen. Vorzugsweise liegt das Cellulosesubstrat hierbei als Bahn oder Bogenmaterial vor. Weiterhin kann vorgesehen sein, dass die wasserabweisende Schicht nach einer Formgebung des Cellulosesubstrats auf dieses aufgebracht ist. Hierdurch wird eine Beschädigung der Schicht während des Formgebungsverfahrens, beispielsweise durch Schneiden, Stanzen, Biegen etc., zuverlässig verhindert. Das Cellulosesubstrat liegt damit beim Beschichten bereits als fertiges bzw. halbfertiges Produkt bzw. als Halbzeug vor. Alternativ oder zusätzlich ist es vorgesehen, dass die wasserabweisende Schicht in Form eines graphischen Elements auf das Cellulosesubstrat aufgebracht ist. Hierdurch können mit Hilfe der wasserabweisenden Schicht zusätzliche Informationen für einen Benutzer der Tabakverpackung bereitgestellt werden.In a further advantageous embodiment of the invention it is provided that the water-repellent layer is applied to the cellulose substrate over the entire area and / or in areas. In other words, the layer can cover the entire surface of the cellulose substrate or only one or more discrete surface areas. In this way, the geometry of the layer can be adapted precisely to the design and intended use of the tobacco packaging. As an alternative or in addition, it is provided that the water-repellent layer is applied to one side or to several, in particular two, sides of the cellulose substrate. This, too, represents a simple possibility of optimally adapting the coating of the cellulose substrate to the respective requirements as a function of the design of the tobacco packaging. The cellulose substrate is preferably in the form of a web or sheet material. Furthermore, it can be provided that the water-repellent layer is applied to the cellulose substrate after it has been shaped. This reliably prevents damage to the layer during the shaping process, for example by cutting, punching, bending, etc. The cellulose substrate is therefore already present as a finished or semi-finished product or as a semi-finished product when it is coated. Alternatively or in addition, it is provided that the water-repellent layer is applied to the cellulose substrate in the form of a graphic element. As a result, additional information can be provided for a user of the tobacco packaging with the aid of the water-repellent layer.
Besondere Vorteile ergeben sich, indem die Tabakverpackung als Schachtel, Innenlagenpapier, Beutel und/oder Hülle für ein Tabakprodukt ausgebildet ist. Hierdurch können für alle gängigen Tabakverpackungen sowie für beliebige Kombinationen hiervon die erfindungsgemäßen Vorteile realisiert werden. Generell kann die erfindungsgemäße Verpackung auch zur Verpackung von tabakfreien Gütern - vorzugsweise mit Ausnahme von Kaugummis - verwendet werden.Particular advantages result in that the tobacco packaging is designed as a box, inner layer paper, bag and / or sleeve for a tobacco product. In this way, the advantages according to the invention can be realized for all common tobacco packagings and for any combination thereof. In general, the packaging according to the invention can also be used for packaging tobacco-free goods - preferably with the exception of chewing gum.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass die Tabakverpackung zusätzlich zur wasserabweisenden Schicht wenigstens eine weitere Beschichtung aufweist. Hierdurch können weitere Eigenschaften der Tabakverpackung bedarfsweise eingestellt werden. Beispielsweise kann die weitere Beschichtung als zusätzliche Sperr- bzw. Barriereschicht fungieren, beispielsweise als Diffusionssperre gegen Sauerstoff, als Sperrschicht gegen die Migration hydrophiler oder lipophiler Verbindungen und dergleichen. Weiterhin kann die weitere Beschichtung als Deckschicht zur Verringerung der Verblockungsneigung und/oder zur Erhöhung der Flexibilität der wasserabweisenden Schicht sowie zum Schutz vor mechanischer Beschädigung der wasserabweisenden Schicht dienen. Alternativ oder zusätzlich ist die weitere Beschichtung ein Aufdruck. Hierdurch können vorteilhaft Informationen bereitgestellt werden. Die weitere Beschichtung kann durch alle geeigneten Druck- und Auftragsverfahren erzeugt werden. Weiterhin können zwei oder mehr weitere Beschichtungen vorgesehen sein, die generell identisch oder unterschiedlich ausgebildet sein können. Die weitere Beschichtung kann in manchen Ausführungsformen eine Schichtdicke zwischen 1 nm und 3 nm besitzen. Aber auch größere Schichtdicken, beispielsweise über 5 nm sowie Schichtdicken im µm-Bereich zwischen 1 µm bis 1000 µm können bedarfsweise vorgesehen sein. Ebenso kann die weitere Beschichtung generell mit allen geeigneten Auftragstechniken hergestellt sein. Die weitere Beschichtung kann auch eine sogenannte Überdruck-Lackierung (engl. "Over Print Varnish") sein, um darunterliegende Schichten besser vor äußeren Einflüssen zu schützen und/oder um einen bestimmten optischen Eindruck zu erzeugen.In a further advantageous embodiment of the invention it is provided that the tobacco packaging has at least one further coating in addition to the water-repellent layer. As a result, further properties of the tobacco packaging can be adjusted as required. For example, the further coating can function as an additional barrier layer, for example as a diffusion barrier against oxygen, as a barrier layer against the migration of hydrophilic or lipophilic compounds and the like. Furthermore, the further coating can serve as a cover layer to reduce the tendency to block and / or to increase the flexibility of the water-repellent layer and to protect the water-repellent layer from mechanical damage. Alternatively or additionally, the further coating is an imprint. In this way, information can advantageously be provided. The further coating can be produced by any suitable printing and application process. Furthermore, two or more further coatings can be provided, which can generally be identical or different. In some embodiments, the further coating can have a layer thickness between 1 nm and 3 nm. However, greater layer thicknesses, for example above 5 nm and layer thicknesses in the μm range between 1 μm to 1000 μm, can also be provided if required. Likewise, the further coating can generally be produced using all suitable application techniques. The further coating can also be a so-called “Over Print Varnish” in order to better protect the underlying layers from external influences and / or to create a specific visual impression.
Weitere Vorteile ergeben sich dadurch, dass die wenigstens eine weitere Beschichtung zwischen dem Cellulosesubstrat und der wasserabweisenden Schicht angeordnet ist. Mit anderen Worten bildet die weitere Beschichtung eine Art Grundierung, auf welcher die wasserabweisende Schicht aufgebracht ist. Hierdurch können Oberflächenunebenheiten des Cellulosesubstrats ausgeglichen und/oder die Haftung der wasserabweisenden Schicht auf dem Cellulosesubstrat verbessert werden. Alternativ oder zusätzlich ist es vorgesehen, dass die weitere Beschichtung auf einer dem Cellulosesubstrat abgewandten Seite der wasserabweisenden Schicht angeordnet ist. Insbesondere ist die weitere Beschichtung eine Deckschicht, welche die darunterliegende wasserabweisenden Schicht vor Beschädigung schützt.Further advantages result from the fact that the at least one further coating is arranged between the cellulose substrate and the water-repellent layer. In other words, the further coating forms a kind of Primer on which the water-repellent layer is applied. In this way, surface unevenness of the cellulose substrate can be leveled out and / or the adhesion of the water-repellent layer to the cellulose substrate can be improved. Alternatively or additionally, it is provided that the further coating is arranged on a side of the water-repellent layer facing away from the cellulose substrate. In particular, the further coating is a cover layer which protects the underlying water-repellent layer from damage.
Weitere Vorteile ergeben sich, indem die wenigstens eine weitere Beschichtung quervernetzten und/oder unvernetzten Polyvinylalkohol und/oder ein quervernetztes und/oder unvernetztes Polyvinylalkohol-Copolymer umfasst. Unter Polyvinylalkohol wird im Rahmen der Erfindung ein thermoplastischer Kunststoff verstanden, welcher zumindest überwiegend aus Kopf-Kopf- und/oder Kopf-Schwanz-verknüpften Monomeren der allgemeinen Formel
Es kann weiterhin vorgesehen sein, dass als Vernetzungsmittel wenigstens eine gesättigte und/oder ungesättigte organische Verbindung mit zumindest einer funktionellen Gruppe ausgewählt aus Aldehyd, Carbonsäure, Säureanhydrid und Aminogruppe, und/oder Eisenchlorid und/oder ein Alkylorthosilikat, insbesondere Tetraethylorthosilikat, und/oder ein Harnstoff-Formaldehyd-Harz und/oder ein physikalischer Vernetzer, insbesondere Carboxymethylcellulose verwendet wird. Hierdurch können die chemischen und physikalischen Eigenschaften der Sperrschicht besonders exakt an den Anwendungszweck des Verpackungsmaterials sowie an das jeweilige Beschichtungs- und Trocknungsverfahren angepasst werden. Geeignete gesättigte und/oder ungesättigte Vernetzungsmittel sind beispielsweise Glyoxal, Glutaraldehyd, Acrylaldehyd, Malonsäure, Glutarsäure, Adipinsäure, Zitronensäure, Butantetracarbonsäure, Acrylsäure, Polyacrylsäure, Methacrylsäure, Maleinsäure, Methacrylmethylester oder Hydroxyethylmethacrylat sowie beliebige Mischungen hieraus sowie Polymerisate und/oder Copolymerisate davon. Beispielsweise kann als Vernetzer Polyacrylsäure und/oder Polymethacrylsäure (im Folgenden unter dem Begriff "Poly(meth)acrylsäure" zusammengefasst) verwendet werden, deren Säuregruppen mit den Alkohol-Gruppen des Polyvinylalkohols /Polyvinylalkohol-Copolymers veresterbar sind. Grundsätzlich können natürlich auch andere Polyalkylacrylsäuren wie beispielsweise Polyethylacrylsäure verwendet werden.It can also be provided that at least one saturated and / or unsaturated organic compound with at least one functional group selected from aldehyde, carboxylic acid, acid anhydride and amino group, and / or iron chloride and / or an alkyl orthosilicate, in particular tetraethyl orthosilicate, and / or a Urea-formaldehyde resin and / or a physical crosslinker, in particular carboxymethyl cellulose, is used. In this way, the chemical and physical properties of the barrier layer can be adapted particularly precisely to the intended use of the packaging material and to the respective coating and drying process. Suitable saturated and / or unsaturated crosslinking agents are, for example, glyoxal, glutaraldehyde, acrylaldehyde, malonic acid, glutaric acid, adipic acid, citric acid, butanetetracarboxylic acid, acrylic acid, polyacrylic acid, methacrylic acid, maleic acid, methacryl methyl ester or hydroxyethyl methacrylate and any mixtures thereof, as well as polymers and / or. For example, polyacrylic acid and / or polymethacrylic acid (summarized below under the term “poly (meth) acrylic acid”), whose acid groups can be esterified with the alcohol groups of the polyvinyl alcohol / polyvinyl alcohol copolymer, can be used as crosslinking agents. In principle, of course, you can too other polyalkylacrylic acids such as polyethylacrylic acid can be used.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass die wenigstens eine weitere Beschichtung wenigstens ein Metall, insbesondere Aluminium und/oder Silber, und/oder eine Metallverbindung, insbesondere Al2O3 und/oder TiO2, und/oder eine anorganische Verbindung, insbesondere SiO2, umfasst. Unter dem Begriff "Metall" werden vorliegend sowohl Reinelemente als auch Basislegierungen des betreffenden Metalls verstanden. Das Metall, die Metallverbindung und/oder die anorganische Verbindung kann dabei beispielsweise als Pigment vorliegen. Ebenso kann vorgesehen sein, dass die Beschichtung vollständig aus einem Metall, einer Metallverbindung und/oder einer anorganischen Verbindung besteht. Hierdurch kann eine zusätzliche Barrierewirkung erzielt werden. Zusätzlich ist es möglich, bestimmte optische Eigenschaften der Verpackung, beispielsweise über farbige anorganische Verbindungen, einzustellen. Metalle wie Aluminium oder Silber können beispielsweise durch chemische oder physikalische Gasphasenabscheidung (Aufdampfen) als Beschichtung aufgebracht werden. Die resultierenden Schichten haben eine hohe Barrierewirkung gegen Sauerstoff und Feuchtigkeit und können zudem als (Super)Hochglanzschichten ausgebildet werden.In a further advantageous embodiment of the invention it is provided that the at least one further coating has at least one metal, in particular aluminum and / or silver, and / or a metal compound, in particular Al 2 O 3 and / or TiO 2 , and / or an inorganic compound , in particular SiO 2 . The term “metal” is understood here to mean both pure elements and base alloys of the metal in question. The metal, the metal compound and / or the inorganic compound can be present, for example, as a pigment. It can also be provided that the coating consists entirely of a metal, a metal compound and / or an inorganic compound. In this way, an additional barrier effect can be achieved. In addition, it is possible to set certain optical properties of the packaging, for example using colored inorganic compounds. Metals such as aluminum or silver can be applied as a coating, for example by chemical or physical vapor deposition (vapor deposition). The resulting layers have a high barrier effect against oxygen and moisture and can also be designed as (super) high-gloss layers.
Weitere Merkmale der Erfindung ergeben sich aus den Ansprüchen, den Figuren und der Figurenbeschreibung. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen, sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen verwendbar, ohne den Rahmen der Erfindung zu verlassen. Es sind somit auch Ausführungen von der Erfindung als umfasst und offenbart anzusehen, die in den Figuren nicht explizit gezeigt und erläutert sind, jedoch durch separierte Merkmalskombinationen aus den erläuterten Ausführungen hervorgehen und erzeugbar sind. Es sind auch Ausführungen und Merkmalskombinationen als offenbart anzusehen, die somit nicht alle Merkmale eines ursprünglich formulierten unabhängigen Anspruchs aufweisen. Es sind darüber hinaus Ausführungen und Merkmalskombinationen, insbesondere durch die oben dargelegten Ausführungen, als offenbart anzusehen, die über die in den Rückbezügen der Ansprüche dargelegten Merkmalskombinationen hinausgehen oder von diesen abweichen. Dabei zeigt:
- Fig. 1
- eine schematische Perspektivansicht einer als Zigarettenschachtel ausgebildeten Tabakverpackung gemäß einem ersten Ausführungsbeispiel;
- Fig. 2
- eine schematische Seitenansicht einer als Tabakbeutel ausgebildeten Tabakverpackung gemäß einem zweiten Ausführungsbeispiel; und
- Fig. 3-18
- schematische Schnitte durch unterschiedlich beschichtete Cellulosesubstrate einer erfindungsgemäßen Tabakverpackung.
- Fig. 1
- a schematic perspective view of a tobacco package designed as a cigarette box according to a first embodiment;
- Fig. 2
- a schematic side view of a tobacco packaging designed as a tobacco pouch according to a second embodiment; and
- Figure 3-18
- schematic sections through differently coated cellulose substrates of a tobacco packaging according to the invention.
Zum Herstellen der wasserabweisenden Schicht 14 wird das betreffende Cellulosesubstrat 12 mit einer gegebenenfalls alkoholhaltigen wässrigen Lösung eines monomeren Chrom(III)-Komplexes beschichtet. Die chemische Struktur dieser monomeren Chrom(III)-Komplexe ist bislang nicht abschließend analytisch aufgeklärt worden. Es wird davon ausgegangen, dass die Monomere bzw. Untereinheiten des späteren Polymers die in Formel (I) gezeigte Struktur besitzen, in welcher R das Fettsäureradikal und R', R" den aliphatischen oder aromatischen Rest des betreffenden Alkohols bzw. im Fall einer Alkoholmischung der betreffenden Alkohole oder Wasser bezeichnet.
Beim Lösen in Wasser kommt es pH-abhängig zur Abspaltung von Chloridionen sowie zur Hydratisierung und zur beginnenden Polymerisierung. Die vermutete chemische Struktur eines resultierenden, über eine OH-Brücke verbundenen Konjugats ist in Formel II dargestellt.
Die Polymerisation kann durch Temperaturerhöhung und pH-Wertänderung initiiert bzw. gesteuert werden. Vorzugsweise ist die Chrom(III)-Verbindung zum Zeitpunkt des Auftrags auf das Cellulosesubstrat 12 bereits in einem oligomeren Zustand bzw. liegt als kolloidale oder sub-kolloidale Lösung vor. Etwaige Niederschläge sollten vermieden oder vor dem Auftragen auf das Cellulosesubstrat 12 entfernt werden, um eine hohe Schichtqualität sicherzustellen. Nach dem Auftrag auf das Cellulosesubstrat 12 vernetzen die einzelnen Untereinheiten bzw. die bereits gebildeten Oligomere weiter, wobei die Chrom(III)-Ionen mit freien OH-Gruppen der Cellulose reagieren und die Schicht 14 dadurch kovalent an die Oberfläche des Cellulosesubstrats 12 binden (Formel III).
Damit können sowohl gestrichene als auch ungestrichene Papiere, Kartons oder Pappen teilweise oder vollständig mit der wasserabweisenden Schicht 14 versehen werden.In this way, both coated and uncoated papers, cardboard boxes or cardboard can be partially or completely provided with the water-
Die Auftragung der Beschichtungslösung auf das Cellulosesubstrat 12 kann mithilfe üblicher Beschichtungsmaschinen bzw. über an sich bekannte Druckverfahren wie beispielsweise Tiefdruck, Flexodruck, Siebdruck, Sprühen, Aufgussverfahren, Eintauchen etc. realisiert werden. Die Beschichtung kann sowohl vollflächig als auch bereichsweise ausgebildet werden. Das Cellulosesubstrat 12 kann zum Beschichten als Bahn oder Bogenmaterial vorliegen oder bereits als fertiges oder halbfertiges Produkt ausgebildet sein. Beispielsweise können die in
Es versteht sich, dass die gezeigten Ausführungsformen nicht abschließend sind. Es können zahlreiche Varianten und Schichtabfolgen vorgesehen sein, solange wenigstens eine der Schichten eine erfindungsgemäße wasserabweisende Schicht 14 ist.It goes without saying that the embodiments shown are not exhaustive. Numerous variants and layer sequences can be provided as long as at least one of the layers is a water-
Die in den Unterlagen angegebenen Parameterwerte zur Definition von Prozess- und Messbedingungen für die Charakterisierung von spezifischen Eigenschaften des Erfindungsgegenstands sind auch im Rahmen von Abweichungen - beispielsweise aufgrund von Messfehlern, Systemfehlern, DIN-Toleranzen und dergleichen - als vom Rahmen der Erfindung mitumfasst anzusehen.The parameter values specified in the documents for the definition of process and measurement conditions for the characterization of specific properties of the subject matter of the invention are also within the scope of deviations - for example due to measurement errors, system errors, DIN tolerances and the like - to be regarded as included within the scope of the invention.
- 1010
- TabakverpackungTobacco packaging
- 1212th
- CellulosesubstratCellulosic substrate
- 1414th
- wasserabweisende Schichtwater-repellent layer
- 1515th
- BeschichtungCoating
- 1616
- Schachtelbox
- RR.
- LigandLigand
Claims (15)
dadurch gekennzeichnet,
dass das Cellulosesubstrat (12) zumindest bereichsweise mit einer wasserabweisenden Schicht (14) beschichtet ist, wobei die wasserabweisende Schicht (14) einen polymeren Chrom(III)-Komplex mit wenigstens einem organischen Liganden (R) umfasst.Tobacco packaging (10) which has a cellulose substrate (12),
characterized,
that the cellulose substrate (12) is at least partially coated with a water-repellent layer (14), the water-repellent layer (14) comprising a polymeric chromium (III) complex with at least one organic ligand (R).
dadurch gekennzeichnet,
dass der wenigstens eine organische Ligand (R) ausgewählt ist aus einer Gruppe, die gesättigte Fettsäuren und einfach oder mehrfach ungesättigte Fettsäuren umfasst.Tobacco packaging (10) according to claim 1,
characterized,
that the at least one organic ligand (R) is selected from a group comprising saturated fatty acids and mono- or polyunsaturated fatty acids.
dadurch gekennzeichnet,
dass die Fettsäure eine Kettenlänge zwischen C8 und C22 besitzt.Tobacco packaging (10) according to claim 2,
characterized,
that the fatty acid has a chain length between C8 and C22.
dadurch gekennzeichnet,
dass der Chrom(III)-Komplex zusätzlich wenigstens ein Halogenion, insbesondere Chlorid, als Ligand umfasst oder dass der Chrom(III)-Komplex zumindest im Wesentlichen frei von anorganischen Liganden ist.Tobacco packaging (10) according to one of Claims 1 to 3,
characterized,
that the chromium (III) complex additionally comprises at least one halogen ion, in particular chloride, as a ligand or that the chromium (III) complex is at least essentially free of inorganic ligands.
dadurch gekennzeichnet,
dass das Cellulosesubstrat (12) ein flächenspezifisches Gewicht zwischen 25 g/m2 und 600 g/m2 besitzt.Tobacco packaging (10) according to one of Claims 1 to 4,
characterized,
that the cellulose substrate (12) has an area-specific weight between 25 g / m 2 and 600 g / m 2 .
dadurch gekennzeichnet,
dass eine Auftragsmenge der wasserabweisenden Schicht (14) auf dem Cellulosesubstrat (12) zwischen 0,01 g/m2 und 5 g/m2 beträgt.Tobacco packaging (10) according to one of Claims 1 to 5,
characterized,
that an application amount of the water-repellent layer (14) on the cellulose substrate (12) is between 0.01 g / m 2 and 5 g / m 2 .
dadurch gekennzeichnet,
dass die wasserabweisende Schicht (14) wenigstens ein weiteres Polymer umfasst.Tobacco packaging (10) according to one of Claims 1 to 6,
characterized,
that the water-repellent layer (14) comprises at least one further polymer.
dadurch gekennzeichnet,
dass das wenigstens eine weitere Polymer ausgewählt ist aus einer Gruppe, die hydrophile Polymere umfasst, insbesondere Stärke, Polyvinylalkohol, Polyvinylacetat und/oder teilhydrolysiertes Polyvinylacetat sowie beliebige Copolymere davon.Tobacco packaging (10) according to claim 7,
characterized,
that the at least one further polymer is selected from a group comprising hydrophilic polymers, in particular starch, polyvinyl alcohol, polyvinyl acetate and / or partially hydrolyzed polyvinyl acetate and any copolymers thereof.
dadurch gekennzeichnet,
dass die wasserabweisende Schicht (14) durch wenigstens ein Auftragsverfahren aus der Gruppe Tiefdruck, Flexodruck, Siebdruck, Sprühen, Aufgussverfahren, Eintauchen, druckformfreie Druckverfahren, berührungslose Druckverfahren oder eine beliebige Kombination hieraus auf das Cellulosesubstrat (12) aufgebracht ist.Tobacco packaging (10) according to one of Claims 1 to 8,
characterized,
that the water-repellent layer (14) is applied to the cellulose substrate (12) by at least one application method from the group consisting of gravure printing, flexographic printing, screen printing, spraying, infusion methods, dipping, printing method-free printing methods, contactless printing methods or any combination thereof.
dadurch gekennzeichnet,
dass die wasserabweisende Schicht (14) vollflächig und/oder bereichsweise auf das Cellulosesubstrat (12) aufgebracht ist und/oder dass die wasserabweisende Schicht auf einer Seite oder auf mehr als einer Seite des Cellulosesubstrats (12) aufgebracht ist und/oder dass die wasserabweisende Schicht nach einer Formgebung des Cellulosesubstrats (12) auf dieses aufgebracht ist und/oder dass die wasserabweisende Schicht in Form eines graphischen Elements auf das Cellulosesubstrat (12) aufgebracht ist.Tobacco packaging (10) according to one of Claims 1 to 9,
characterized,
that the water-repellent layer (14) is applied to the cellulose substrate (12) over the entire area and / or in certain areas and / or that the water-repellent layer is applied to one side or on more than one side of the cellulose substrate (12) and / or that the water-repellent layer is applied to the cellulose substrate (12) after it has been shaped and / or that the water-repellent layer is applied to the cellulose substrate (12) in the form of a graphic element.
dadurch gekennzeichnet,
dass diese als Schachtel (16), Innenlagenpapier, Beutel und/oder Hülle für ein Tabakprodukt ausgebildet ist.Tobacco packaging (10) according to one of Claims 1 to 10,
characterized,
that this is designed as a box (16), inner layer paper, bag and / or sleeve for a tobacco product.
dadurch gekennzeichnet,
dass diese zusätzlich zur wasserabweisenden Schicht (14) wenigstens eine weitere Beschichtung (15) aufweist.Tobacco packaging (10) according to one of Claims 1 to 11,
characterized,
that it has at least one further coating (15) in addition to the water-repellent layer (14).
dadurch gekennzeichnet,
dass die wenigstens eine weitere Beschichtung (15) zwischen dem Cellulosesubstrat (12) und der wasserabweisenden Schicht (14) und/oder auf einer dem Cellulosesubstrat (12) abgewandten Seite der wasserabweisenden Schicht (14) angeordnet ist und/oder dass die wenigstens eine weitere Beschichtung (15) ein Aufdruck ist.Tobacco packaging (10) according to claim 12,
characterized,
that the at least one further coating (15) is arranged between the cellulose substrate (12) and the water-repellent layer (14) and / or on a side of the water-repellent layer (14) facing away from the cellulose substrate (12) and / or that the at least one further Coating (15) is an imprint.
dadurch gekennzeichnet,
die wenigstens eine weitere Beschichtung (15) quervernetzten und/oder unvernetzten Polyvinylalkohol und/oder ein quervernetztes und/oder unvernetztes Polyvinylalkohol-Copolymer umfasst.Tobacco packaging (10) according to claim 12 or 13,
characterized,
which comprises at least one further coating (15) crosslinked and / or uncrosslinked polyvinyl alcohol and / or a crosslinked and / or uncrosslinked polyvinyl alcohol copolymer.
dadurch gekennzeichnet,
die wenigstens eine weitere Beschichtung (15) wenigstens ein Metall, insbesondere Aluminium und/oder Silber, und/oder eine Metallverbindung, insbesondere Al2O3 und/oder TiO2, und/oder eine anorganische Verbindung, insbesondere SiO2, umfasst.Tobacco packaging (10) according to one of Claims 12 to 14,
characterized,
the at least one further coating (15) comprises at least one metal, in particular aluminum and / or silver, and / or a metal compound, in particular Al 2 O 3 and / or TiO 2 , and / or an inorganic compound, in particular SiO 2.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE202020101441.2U DE202020101441U1 (en) | 2020-03-16 | 2020-03-16 | Tobacco packaging |
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EP3882395A1 true EP3882395A1 (en) | 2021-09-22 |
EP3882395B1 EP3882395B1 (en) | 2023-01-04 |
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Application Number | Title | Priority Date | Filing Date |
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EP21161754.3A Active EP3882395B1 (en) | 2020-03-16 | 2021-03-10 | Tobacco packaging |
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Country | Link |
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EP (1) | EP3882395B1 (en) |
DE (1) | DE202020101441U1 (en) |
ES (1) | ES2941809T3 (en) |
PL (1) | PL3882395T3 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793067A (en) * | 1972-06-16 | 1974-02-19 | Lowe Paper Co | Food release coating |
US3923238A (en) * | 1974-05-22 | 1975-12-02 | Deering Milliken Res Corp | Non-wicking container |
WO2013166285A1 (en) * | 2012-05-04 | 2013-11-07 | R. J. Reynolds Tobacco Company | Transparent moisture barrier coatings for containers |
-
2020
- 2020-03-16 DE DE202020101441.2U patent/DE202020101441U1/en active Active
-
2021
- 2021-03-10 ES ES21161754T patent/ES2941809T3/en active Active
- 2021-03-10 PL PL21161754.3T patent/PL3882395T3/en unknown
- 2021-03-10 EP EP21161754.3A patent/EP3882395B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793067A (en) * | 1972-06-16 | 1974-02-19 | Lowe Paper Co | Food release coating |
US3923238A (en) * | 1974-05-22 | 1975-12-02 | Deering Milliken Res Corp | Non-wicking container |
WO2013166285A1 (en) * | 2012-05-04 | 2013-11-07 | R. J. Reynolds Tobacco Company | Transparent moisture barrier coatings for containers |
Also Published As
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EP3882395B1 (en) | 2023-01-04 |
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