EP2914776A1 - Papier decoratif pour stratifies - Google Patents
Papier decoratif pour stratifiesInfo
- Publication number
- EP2914776A1 EP2914776A1 EP13792759.6A EP13792759A EP2914776A1 EP 2914776 A1 EP2914776 A1 EP 2914776A1 EP 13792759 A EP13792759 A EP 13792759A EP 2914776 A1 EP2914776 A1 EP 2914776A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- particles
- paper
- equal
- decorative
- decorative paper
- 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
- 239000002245 particle Substances 0.000 claims abstract description 132
- 239000000945 filler Substances 0.000 claims abstract description 82
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims description 75
- 239000011347 resin Substances 0.000 claims description 75
- 239000000203 mixture Substances 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 41
- 229920001187 thermosetting polymer Polymers 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 238000005470 impregnation Methods 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 235000010980 cellulose Nutrition 0.000 claims description 20
- 229920002678 cellulose Polymers 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 19
- 239000001913 cellulose Substances 0.000 claims description 16
- 239000006185 dispersion Substances 0.000 claims description 16
- 238000007639 printing Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000004381 surface treatment Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 5
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 4
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 4
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 4
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000005909 Kieselgur Substances 0.000 claims description 2
- 239000010954 inorganic particle Substances 0.000 claims description 2
- 239000011146 organic particle Substances 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 239000000123 paper Substances 0.000 description 230
- 239000000976 ink Substances 0.000 description 27
- 238000007641 inkjet printing Methods 0.000 description 23
- 238000009826 distribution Methods 0.000 description 18
- 239000010410 layer Substances 0.000 description 16
- 239000000835 fiber Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 239000012764 mineral filler Substances 0.000 description 7
- 229920000877 Melamine resin Polymers 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000002655 kraft paper Substances 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- 229920006317 cationic polymer Polymers 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229920000620 organic polymer Polymers 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000011859 microparticle Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000011236 particulate material Substances 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 244000166124 Eucalyptus globulus Species 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 2
- MSYLJRIXVZCQHW-UHFFFAOYSA-N formaldehyde;6-phenyl-1,3,5-triazine-2,4-diamine Chemical compound O=C.NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 MSYLJRIXVZCQHW-UHFFFAOYSA-N 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-UHFFFAOYSA-N 2-(hydroxymethyl)-6-[4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol Chemical compound OCC1OC(OC2C(O)C(O)C(O)OC2CO)C(O)C(O)C1O GUBGYTABKSRVRQ-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 244000215068 Acacia senegal Species 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- 108010076119 Caseins Proteins 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 108010073771 Soybean Proteins Proteins 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- JYIMWRSJCRRYNK-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4] JYIMWRSJCRRYNK-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000000451 gelidium spp. gum Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 229940001941 soy protein Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- 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
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- 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
-
- 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
- D21H21/22—Agents rendering paper porous, absorbent or bulky
-
- 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
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
- D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
-
- 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
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
- D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
- D21H27/28—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather
Definitions
- the present invention relates to the field of decorative papers.
- the invention relates to a decorative paper, also called decor paper or decorative sheet, suitable for inkjet printing, a method of manufacturing such a paper, and a laminate comprising such a paper.
- laminated decorative panels or profiles have been used as materials in homes, commercial and industrial premises.
- Typical applications of such laminates are floor coverings, particularly those imitating parquet, furniture coverings, tabletops or chairs, among others.
- HPL high-pressure laminates
- LPL low-pressure laminates
- the high pressure decorative laminates are produced from a body of resin impregnated sheets. These sheets are generally made of kraft paper and have been impregnated with a thermosetting resin, most often a phenolic resin.
- a decorative paper is then placed, which is generally a sheet of paper bearing a printed or colored pattern or comprising decorative particles, impregnated with a thermosetting resin, chosen from among the resins of melamine-formaldehyde, urea-formaldehyde, benzoguanamine-formaldehyde or unsaturated polyester paper.
- a protective sheet devoid of patterns and transparent appearance in the final laminate, to improve the abrasion resistance of the laminate.
- the stack of impregnated sheets is then placed in a laminating press whose trays are provided with a sheet that confers the desired surface finish on the laminate. Then, the cell is densified by heating, at a temperature of the order of 110 ° C. to 170 ° C., and by pressing, at a pressure of the order of 5.5 MPa to 11 MPa, for approximately 25 to 60 minutes. minutes, to obtain a unitary structure.
- This is then fixed on a base support; for example, it is glued on a panel of agglomerated particles, especially agglomerated wood particles.
- thermosetting usually sandwiched between a resin impregnated barrier paper positioned underneath, and an overlay protective sheet also impregnated with resin and positioned above.
- overlay sheet is not placed above but below.
- the impregnation of the decorative paper with the resin occurs when pressure is exerted on the stack of the different sheets, by diffusion of the resin out of the sheets of the barrier paper and overlay with which the decorative paper is in contact or close.
- CPL continuous laminates
- the so-called low-pressure decorative laminates are produced using only a decorative sheet impregnated with thermosetting resin, and possibly an overlay sheet, which is laminated directly on the base support during a short cycle, the temperature being of the order of 160 to 175 ° C and the pressure of 1.25 MPa to 3 MPa.
- the decorative paper used for the manufacture of laminates is generally a sheet of paper made on a paper machine.
- a decorative paper is generally used to impart a particular aesthetic appearance to the laminated support on which it is affixed, this aspect being able to result from the printing on paper of a decorative motif.
- this decorative motif which traditionally consisted of imitating the appearance of a natural material, such as wood or marble, took more diversified forms depending on the demand, so as to adapt to the needs and wishes client. This increase in the variety of reasons was accompanied by a contrario of a reduction of the quantities to be produced.
- inkjet printing has proven to be the most suitable technique for decorating papers.
- the inkjet printing also allows to obtain better quality prints, including a very good image definition and a high color density with low ink consumption.
- the decorative paper is first printed, then impregnated with resin and finally hot pressed with its support at high or low pressure.
- the impregnation step requires the provision of a decorative paper having a high resistance in the wet state, so as to maintain a sufficient resistance after its total immersion in the resin, which resin is preferably aqueous, as well as a resin absorption capacity as large as possible in the shortest possible time.
- the inkjet printing technique is based today on the principle of fixing ink on the surface of the substrate to be printed; the latter must therefore, to obtain a clean and high quality print, have a controlled ink absorption.
- papers usually used for inkjet printing outside the field of laminate manufacture for producing color prints, graphics or photographic quality prints have a closed surface produced by a synthetic resin coating or a coating. layer.
- Such papers can not therefore be suitable for the preparation of laminates since they can not be satisfactorily impregnated with a thermosetting resin.
- these papers not falling under the category of decorative papers can not be suitable for the process of stratification without impregnation ("dry process"), because of the delamination of the various layers which occurs during the tests of resistance to the vapor of water and immersion in water.
- EP 1 044 822 discloses the use of conventional coating techniques which can lead to substantially reduce the impregnating properties of paper by a resin due to the penetration of the layer into the paper.
- Patent EP 1 749 134 claims a coating process for obtaining a printable decor paper inkjet without significant reduction of its impregnation properties.
- a paper is not entirely satisfactory for the production of a high-pressure laminate by the non-impregnated lamination process because of the delamination that occurs during the water vapor and water resistance tests. immersion in water carried out on high-pressure laminates.
- WO 02/081228 discloses a decorative paper sheet for high or low pressure laminate, comprising in its thickness silica particles in order to improve the abrasion resistance of the paper.
- the silica particles used have a relatively large diameter, which is too coarse to improve the printability properties of the paper.
- the object of the invention is to remedy the problems encountered in the prior art by decorative laminate papers by proposing a decorative paper having both good printability in inkjet printing and suitable for the industrial production of all types of laminates. laminates, with or without prior impregnation of the decorative paper, in particular by the implementation of high-pressure, low-pressure or non-impregnation processes.
- the subject of the invention is a decorative paper for high-pressure (HPL) decorative laminate, low-pressure (LPL), or continuous laminate (CPL), comprising, distributed in the thickness of said paper, particles of a filler having a relatively high oil absorption, preferably greater than or equal to 80%. These filler particles can still be called “pigment” particles, even if they do not necessarily bring color to the paper.
- HPL high-pressure
- LPL low-pressure
- CPL continuous laminate
- the decorative papers according to the invention have good printability by inkjet printing whatever the nature of the ink, aqueous, crosslinkable under UV, or in solution in an organic solvent or an eco solvent. Moreover, this good printability is achieved without the need to first deposit on paper an ink-fixing layer, which simplifies the manufacture of decorative paper.
- the decorative paper according to the invention becomes compatible with printing on one and / or the other of its faces, which is not the case of a decorative paper according to the prior art, lying on a face. Finally, such a paper can quite suit the preparation of laminate without impregnation.
- the invention also relates to a decorative paper comprising, before its impregnation with a thermosetting resin, at least one pattern printed on at least one of its faces.
- a pattern may be printed by inkjet printing, preferably with an aqueous ink, a UV curable ink, a solvent or eco solvent ink.
- the invention relates to a process for preparing a decorative paper, comprising the steps of:
- the invention relates to a high laminate, low pressure or continuous laminate, comprising at least one decorative paper according to the invention.
- the invention relates to a use of particles of a filler according to the invention in a decorative paper for decorative laminate high-pressure, low-pressure or continuous laminate, to improve ⁇ printability by jet printing ink of said decorative paper.
- charge particles or “charge” means particles of a single type of particulate material or a mixture of particles of different types of particulate materials.
- the filler consists of a single particulate material.
- the particles of a filler suitable for the invention have an oil absorption greater than or equal to 80%, better still greater than or equal to 100%, preferably greater than or equal to 150%, preferably greater than or equal to 200%, and more preferably greater than or equal to 300%.
- the particles of the filler of the invention can have an absorption of oil at most equal to 400%, or even at most equal to 360%.
- the oil absorption property of the load according to the invention is measured according to DIN ISO 787 part 5.
- the particles of the filler suitable for the invention preferably have a specific surface greater than or equal to 10 m 2 / g, preferably greater than or equal to 20 m 2 / g, preferably greater than or equal to 50 m 2 / g, preferably greater than or equal to 80 m 2 / g, preferably greater than or equal to 100 m 2 / g, more preferably greater than or equal to 200 m 2 / g, and more preferably still greater than or equal to 300 m 2 / g.
- the particles of the filler according to the invention may have a specific surface at most equal to 1000 m 2 / g, preferably at most equal to 800 m 2 / g.
- the specific surface area of the particles of a filler suitable for the invention is measured by the BET method according to DIN 66132.
- the particles of a filler suitable for the invention may have a diameter ranging from 0.5 to 10 ⁇ , preferably ranging from 2 to 8 ⁇ , and more preferably ranging from 3 to 5 ⁇ .
- diameter is meant the diameter of the circumscribed circle.
- the particles of a filler suitable for the invention preferably have a median diameter D 50 ranging from 0.5 to 10 ⁇ , preferably from 2 to 8 ⁇ , and more preferably varying from 3 to 5 ⁇ .
- charge particles that are suitable for the invention may have a median diameter D50 ranging from 1 to 3 ⁇ .
- the particles of a filler suitable for the invention may have a form chosen from a lamellar form, a globular form, a spherical form, or any intermediate form between the previously defined forms.
- the shape of the particles is substantially spherical.
- the particles of a filler suitable for the invention have a refractive index n less than 1, 9, and preferably ranging from 1.2 to 1.8, and more preferably varying from 1.4 to 1. , 7, and more preferably still ranging from 1.5 to 1.6.
- the particles of a filler suitable for the invention have a refractive index n of about 1.55.
- the refractive index is measured using a refractometer, the best known of which is that of Abbe.
- the particles of a filler of the invention will be chosen so as to have a refractive index equal to, or substantially close to, the refractive index of the thermosetting resin intended to impregnate the decorative paper of the invention.
- the difference ⁇ ⁇ between the refractive indices may advantageously be less than or equal to 0.5, better still less than or equal to 0.3, more preferably less than or equal to 0 , 2, or even less than or equal to 0.1.
- the identity, or the proximity, of the values of the refractive index of the charge and of the refractive index of the thermosetting resin may make it possible to confer an increased transparency on the decorative paper after it has been impregnated with the resin.
- the particles of a filler according to the invention may be chosen from inorganic particles, organic particles, and mixtures thereof.
- the particles of the filler are selected from mineral particles, or mixtures thereof.
- the mineral particles of a filler according to the invention have a specific surface area greater than or equal to 50 m 2 / g and an oil absorption greater than or equal to 80%, preferably a higher specific surface area or equal to 100 m 2 / g and an oil absorption greater than or equal to 80%, more preferably a specific surface area greater than or equal to 200 m 2 / g and an oil absorption greater than or equal to 80%, preferably a specific surface greater than or equal to 200 m 2 / g and an oil absorption greater than or equal to 150%, and even more preferably a specific surface greater than or equal to 300 m 2 / g and an oil absorption greater than or equal to at 200%.
- the mineral particles of a pigmented filler of the invention may be selected from amorphous silica particles, precipitated silica particles, diatomaceous earth particles, silico-aluminate particles, and mixtures thereof. .
- such particles are selected from amorphous silica particles, precipitated silica particles, silico-aluminate particles, and mixtures thereof. More preferably, such particles are selected from amorphous silica particles, precipitated silica particles, and mixtures thereof, and more more preferably, they are selected from amorphous silica particles, and mixtures thereof.
- inorganic filler particles suitable for the invention may be selected from particles of amorphous silica or precipitated types of Syloid ® sold by the company GRACE, soil particles Celite ® diatomaceous type marketed by World Minerals, or particles Zeolex ® type silico-aluminates marketed by Huber Engineered Materials.
- the particles of a filler according to the invention are present in an amount ranging from 3 to 40% by weight relative to the total dry weight of the paper, preferably ranging from 5 to 35% by weight, more preferably from 8 to 35% by weight. 30%, preferably ranging from 10 to 30%, more preferably varying from 10 to 25%, more preferably still varying from 15 to 25%, and more preferably ranging from 15 to 20% by weight relative to the total dry weight. paper.
- the charge weight, for a mineral filler, of a paper of the invention is determined by measuring the ash content of the paper according to ISO 2144: 1997, corrected by the loss on ignition of the load used which must be known. .
- a decorative paper according to the invention may comprise a single type of particles of a filler suitable for the invention, or a mixture of different types of filler particles, for example at least two or even at least three, or at least four types of charge particles.
- the term "different types of charge particles” means particles of charges which differ from each other by their characteristic of oil absorption and / or specific surface area.
- a decorative paper according to the invention comprises more than one type of particles of a filler according to the invention, in particular at least two or even at least three, or at least four distinct types of particles. according to the invention, that is to say, in terms of oil absorption, the amounts indicated above must be understood as referring to the mixture of these particles, and not to each type of particles taken individually .
- a decorative paper of the invention advantageously comprises mineral filler particles selected from amorphous silica particles, particles of precipitated silicas , silico-aluminate particles, and mixtures thereof.
- mineral filler particles selected from amorphous silica particles, particles of precipitated silicas , silico-aluminate particles, and mixtures thereof.
- amorphous silica particles, precipitated silica particles, or mixtures thereof are used in such an embodiment.
- these particles are used in a content ranging from 15 to 25%, and more preferably in a content of about 20% by weight relative to the total dry weight of the paper.
- a decorative paper of the invention advantageously comprises mineral filler particles selected from amorphous silica particles, particles of precipitated silicas, and mixtures thereof.
- these particles are used in a content ranging from 15 to 25% by weight relative to the total dry weight of the paper
- the above filler particle contents are given for dry paper, before printing and before impregnation thereof with a thermosetting resin.
- the fillers in particular the mineral fillers, used in the invention preferably have a neutrality in terms of acidity or alkalinity with respect to the thermosetting resins.
- neutrality in terms of acidity or alkalinity of the fillers according to the invention with respect to thermosetting resins is meant that the fillers behave neither as acids nor as bases vis-à-vis -vis thermosetting resins.
- a decorative paper according to the invention can have a basis weight ranging from 20 to
- the basis weight of the sheets is determined according to ISO 536 after conditioning according to ISO 187. This is the grammage of the sheet before impregnation with a thermosetting resin.
- a decorative paper according to the invention comprises, distributed in the thickness of the paper, particles of a filler, as defined above.
- a paper according to the invention comprises filler particles according to the invention in its heart.
- a decorative paper coated according to the prior art only has charge particles in the layer deposited on the surface.
- the profile of the particle distribution in the paper thickness may depend on how the particles are introduced into the paper.
- the distribution profile of the filler particles in a paper of the invention shows that they are present in the paperboard substrate.
- the distribution profile of the load in the decorative papers of the invention can pass through a maximum substantially between 1/4 and 3/4 of the total thickness e of the paper.
- the distribution of the filler particles in the paper thickness may have a pattern of increasing distribution between one side of the paper to half the thickness of said paper.
- the distribution profile of the filler particles may have a maximum between one side and half the thickness of the paper.
- the distribution of the filler particles can be anisotropic within the paper.
- the distribution profile is unsymmetrical with respect to a median plane cutting the paper at mid-thickness.
- the distribution pattern of the filler particles in the paper thickness of the invention has a minimum on the face side of the paper in contact with the web or forming surface, and a maximum on the side of the opposite side.
- the determination of a mean distribution profile of the charge particles in a paper can be carried out by analysis of electron microscopy images taken in backscattered electron detection mode or elementary mappings acquired in microanalysis X in a SEM (scanning microscope electronic). Paper cups are prepared in such a way that several centimeters of sample can be observed. Several dozens of images are acquired along these sections, about thirty are in general sufficient, and are then processed by image analysis. The edges of the paper are first identified to extract the paper area. The latter is then automatically divided into twenty layers of equal thickness in any abscissa along the paper area extracted: thus obtaining slices each corresponding to a given depth within the paper. Mineral fillers present in the paper area are then extracted in turn and assigned to the depth range in which they are located. It is then sufficient to count the proportion of charges in each slice to obtain a relative distribution of the mineral charges from one side to the other of the paper. The relative distributions obtained for each image are averaged and finally produce the average relative distribution curve of the mineral charges for the paper analyzed.
- FIG. 1 shows the profile of the average relative distribution of the silica particles of example 4 of patent EP 1749 134 in the thickness of the paper. It can be seen that the silica particles remain confined to the surface in the coating coating R and are absent from the papermaking substrate P.
- FIGS. 2A and 2B show, respectively, two examples of average relative distribution profiles of the filler particles in the thickness of decorative papers according to the invention obtained by mass introduction (FIG. 2A), that is to say mixing filler particles with the fibrous cellulose composition prior to deposition on the forming surface, or by spraying a solution containing the filler onto the fibrous cellulose composition on a wet-forming table of a paper machine (FIG. 2B).
- a paper of the invention obtained by mixing the filler with a fibrous cellulose composition prior to deposition on a forming surface (FIG. 2A)
- the maximum of the distribution profile of the fillers is at substantially mid-thickness of the paper.
- a decorative paper according to the invention has, in particular, the characteristic of being printable, in particular by inkjet printing, while maintaining thermosetting resin absorption properties identical or similar to those of known decorative papers.
- a paper of the invention Because of the distribution of the load in its thickness, a paper of the invention has the advantage of being able to be printed indifferently on one or the other of its faces, even on its two faces, which can make it possible to create optical depth effects due to the transparency of the paper on the laminate.
- thermosetting resin is advantageously after an inkjet printing step of this paper.
- a decorative paper according to the invention may have a speed of impregnation with a thermosetting resin, as defined below, less than or equal to 20 seconds, preferably less than or equal to 10 seconds, preferably ranging from 2 to 20 seconds. , more preferably varying from 3 to 10 seconds, and more preferably varying from 3 to 6 seconds, in particular on each of its faces.
- a thermosetting resin as defined below
- the rate of impregnation is characterized by determining the penetration time of the thermosetting resin through the sheet; this time is determined as follows: a 56% by weight resin solution is prepared by dissolving KAURAMIN 773 melamine-formaldehyde resin powder in distilled water heated to 45 ° C. It adjusts its viscosity such that it is of the order of 100 mPas (cps) at 20 ° C on a Brookfield viscometer measured at 100 revolutions / min - Tree No. 2, it is determined as follows the impregnation time of a sheet of paper: two square samples (10 x 10 cm) are cut per test; to test each face, we find the face,
- the square of paper is deposited on the surface of the resin, the face to be tested in contact therewith, and the chronometer is started at the same time, the time of the total piercing which gives the penetration time of the resin is noted.
- a decorative paper according to the invention can have a Gurley porosity of 5 to 50 seconds, ideally 10 to 20 seconds.
- Gurley porosity is determined according to ISO 5636-5R (1990).
- a decorative paper of the invention can be smoothed or non-smoothed.
- a decorative paper according to the invention can be smoothed by any method known to those skilled in the art.
- a decorative paper of the invention has, on at least one of its faces, a Bekk smoothness of 20 to 140 seconds.
- a decorative paper according to the invention may be devoid of filler particles other than those defined above.
- the decorative paper of the invention can comprise only as particulate filler filler particles according to the invention, that is to say a decorative paper according to the invention can be free of mineral fillers or organic other than those with an oil absorption greater than or equal to 80%.
- a paper according to the invention can be devoid of TiO 2 particles.
- a decorative paper of the invention may comprise in its matrix a filler other than according to the invention, such as kaolin particles.
- a filler other than according to the invention such as kaolin particles.
- the amount of such a substitute filler can range from 0 to 35% by weight, based on the dry weight of the paper.
- the decorative paper according to the invention does not require the removal of an ink-fixing layer by coating, as in the prior art, fixing layer which comprises a binder.
- a decorative paper of the invention is advantageously devoid of ink-fixing surface layer, and associated compounds, typically an acrylic binder, polyvinyl alcohol, polyvinyl acetate, and titanium dioxide. .
- the opacity of a decorative paper according to the invention is preferably relatively low.
- a decorative paper of the invention may advantageously be, before or after impregnation with a thermosetting resin, and preferably after impregnation, transparent.
- the opacity of the papers is measured according to ISO 2471.
- the luminance of the paper sample (L 0 ) is measured under a black background, the luminance at infinity (L ⁇ ) is measured on a stack of the same paper.
- the opacity is calculated according to the formula: L 0 / L ⁇ * 100.
- a decorative paper according to the invention may have, prior to impregnation with the thermosetting resin and before inkjet printing, opacity L 0 / L ⁇ * 100 greater than 60%, in particular ranging from 60 to 90%, or even 70 to 90%.
- a high pressure or low pressure laminate obtained with a decorative paper according to the invention may comprise one or more layers having a certain transparency.
- Opacity measurement on high-pressure (HP) or low-pressure laminates (BP) is performed in a manner similar to that performed on decor paper.
- the measurement of the luminance Lo of the laminate is made kraft side, the measurement of the luminance of the laminate to infinity (L ⁇ ) is made on a white background.
- the opacity is calculated according to the formula: L 0 / L ⁇ * 100. The lower the value obtained, the less opaque the paper, or the more transparent it is.
- a high pressure or low pressure laminate obtained with a decorative paper according to the invention may have an opacity Lo / L ⁇ * 100 less than 20%, in particular ranging from 7 to 15%.
- a paper according to the invention may have the advantage of not providing little or no opacity, and may be used with a white or colored background sheet to which it is superimposed. This offers additional decorative possibilities, namely to allow to use the same decorative paper printed and laminated on different colored backgrounds.
- a decorative paper of the invention is used in combination with a colored decorative paper.
- a decorative colored paper is for example disposed between the decorative paper of the invention (placed above) and the body of the laminate considered (placed below).
- colored paper is meant any decorative paper having a non-white shade other than a white shade.
- a colored decorative paper is a paper of red, blue, green or even black tint.
- a decorative paper according to the invention may comprise a pattern printed on at least one of its faces. The printing of this pattern is advantageously carried out by means of inkjet printing. The pattern is printed after the drying step and prior to its impregnation with the thermosetting resin.
- a decorative paper of the invention may furthermore comprise the usual components used in the formulation of decorative papers.
- a decorative paper of the invention naturally comprises cellulosic fibers.
- the cellulosic fibers can be a mixture of short celluloses and long celluloses
- a decorative paper of the invention comprises a mixture of cellulosic fibers comprising from 40 to 100%, preferably 70 to 90%, or even about 80% of short cellulose fibers, and from 0 to 60%, preferably from 10 to 30%, even about 20% of long celluloses in dry weight
- the short celluloses fibers are eucalyptus fibers.
- a decorative paper of the invention is devoid of synthetic fibers.
- a decorative paper of the invention may comprise at least one additional agent selected from the group consisting of a wet strength agent, a retention agent, decorative particles, fillers, a cationic polymer, an absorbent organic polymer.
- a decorative paper of the invention may comprise at least one wet strength agent.
- wet strength agent any agent capable of giving the paper in the wet state a tensile strength. Such agents are known to those skilled in the art.
- an agent may be a polyamine epichlorohydrin resin, a resin polyamide / polyamine-epichlorohydrin, a cationic polyacrylate, a modified melamine-formaldehyde resin or a cationic starch.
- a wet strength agent may be present in a proportion of 0.2 to 2.5% by weight relative to the dry weight of the sheet, and more preferably from 0.4 to 0.8%.
- a decorative paper of the invention may comprise in its composition at least one retention agent.
- retention agent any agent capable of allowing the fixing of mineral fillers on the fibers.
- agents are known to those skilled in the art.
- an agent may be selected from the group consisting of a system of inorganic microparticles, for example anionic silicas, and a polyacrylamide of low ionicity.
- low ionicity with respect to a polyacrylamide that is suitable for the invention, is meant a polyacrylamide containing few quaternary ammonium type cationic comonomers and / or few anionic acrylate groups.
- a decorative paper may comprise the optional agents used to put the fillers of the invention in aqueous dispersion, as described below.
- a decorative paper of the invention after drying and before printing, in particular by inkjet, may be subject to a surface treatment, for example to improve its smoothness or deposit an agent to improve the fixing of inks.
- surface treatment is meant to subject a paper of the invention to a process that affects the one in the superficial part of its thickness.
- a surface treatment of a paper according to the invention with a chemical agent leads to the penetration of the latter into the thickness of the paper.
- penetrating coating Such a method is distinct from the surface coating which leads to depositing a layer on the surface of the paper, without it being intended to penetrate into the thickness of the latter.
- a paper of the invention may be surface-treated with at least one agent intended to improve or promote the fixing of the inks.
- a decorative paper of the invention may be devoid of ink-fixing layer.
- Agents that can be used in a surface treatment of a paper of the invention are not intended to fix the inks, but are only intended to promote their fixation.
- the primary fixing effect of the inks is obtained by means of the load according to the invention distributed in the matrix thereof.
- An agent to be put in a surface treatment of a paper of the invention may be devoid of particles in accordance with the invention, and / or other inorganic or organic particulate fillers
- a decorative paper of the invention may be surface-treated (penetrating coating) with at least one cationic polymer.
- Such polymers are known to those skilled in the art, and may advantageously be used to prevent water inks, and in particular aqueous inks, from being disgorged in water.
- a polymer may be selected from the group consisting of a polyamine, a copolymer of epichlorohydrin and dimethylamine, and a polydiallyldimethylammonium clhorure. More preferably, such a polymer may be a polydiallyldimethylammonium chloride.
- a decorative paper of the invention can be surface treated (penetrating coating) with at least one absorbent organic polymer.
- Such polymers are known to those skilled in the art, and may be advantageously used to fix the inks on the surface.
- a polymer may be selected from the group consisting of polyvinylpyrrolidone, polyvinyl alcohol, carboxymethylcellulose, and microcrystalline cellulose. More preferably, such a polymer may be a microcrystalline cellulose.
- the decorative paper is generally first printed, then impregnated with a thermally stable thermosetting resin, and finally heat pressed with its support at high or low pressure.
- the printed decorative paper is stacked, non-impregnated, between two papers impregnated with thermosetting resin, and the impregnation of the decorative paper is performed during the pressure exerted on the whole pile.
- a decorative paper of the invention can be used with or without thermosetting resin.
- thermosetting resin may be chosen from melamine-formaldehyde resins, urea-formaldehyde resins, benzoguanamine-formaldehyde resins, unsaturated polyester resins, dicyandiamide-formaldehyde resins, epoxy resins, polyurethane resins, resins acrylics, and mixtures thereof.
- a decorative paper impregnated with partially crosslinked resin is called, in terms of trade, "decorative film” or “decorative film or” melamine film "This melamine film contains a resin content preferably ranging from 50 to 55% but may range from 45 to 65%.
- This step is generally carried out by carrying the decorative paper at temperatures of about 110 to 140 ° C and is controlled, so that the resin, during the final lamination of the decorative film, flows correctly into the sheet, by the measurement of the remaining volatiles in the film décor.
- this decor film then comprises a certain percentage, of the order of 5 to 8%, of volatile products (solvent water of the resin, water resulting from the chemical condensation of the resin, residual formaldehyde, the other residual products, ). These volatiles represent the compounds that will be removed during the total crosslinking of the resin, during the lamination of the decor film.
- the resin once fully cross-linked, after lamination, will provide surface resistance to the final laminate (abrasion resistance, soil resistance, water vapor and chemical agents such as solvents, acids and alkalis). bases, ).
- a decorative paper of the invention is impregnated with a thermosetting resin, and then the resin is partially crosslinked in an acid medium, the content of volatile compounds being between 5 and 8% by weight of the sheet.
- the invention also relates to a laminated decorative panel or profile comprising at least one decorative paper of the invention.
- a laminate according to the invention may comprise a superposition, by contact, of at least two, preferably at least three, and more preferably at least four, decorative papers according to the invention.
- a decorative paper comprising at least one pattern printed on two sides, or the superposition of a plurality of decorative papers of the invention each comprising at least one pattern printed on at least one face may advantageously make it possible to create an optical effect of relief.
- the sheets of decorative paper of the invention are printed, with at least one pattern, on one or both sides, impregnated with thermosetting resin, then stacked on one another, and placed on a support, according to the case of sheets of kraft paper impregnated with thermosetting resin or a panel of agglomerated particles, and possibly covered with an overlay also impregnated with resin, before being pressed. Between the support and the stack of decorative paper sheets, it is advantageous to have a colored sheet of decorative paper, also impregnated with the resin.
- the fibrous base of a decorative paper of the invention comprising cellulose fibers, may be prepared by any method known to those skilled in the art.
- the filler particles of the invention can be introduced into the fibrous wet cellulose composition, if necessary supplemented with the agents indicated above, during the continuous manufacture of the pulp, in the wet part of the machine. paper.
- wet part with respect to a paper machine, any part of the paper machine in the papermaking process positioned before the dryer, and in particular before the section of presses.
- the filler particles may be introduced in the form of a powder or in the form of a dispersion, preferably aqueous.
- the particles are introduced in the form of a dispersion, in particular an aqueous dispersion, which may comprise any agent capable of promoting the stability of this dispersion.
- the aqueous dispersion comprises, in addition to the filler particles of the invention, an agent for preventing settling or flocculation of the particles or a surfactant, or a viscosity agent.
- an agent for preventing settling or flocculation of the particles or a surfactant or a viscosity agent.
- Polycarboxylates may also be mentioned; cellulosic thickeners, such as methyl, ethyl, hydroxyethyl and hydroxypropyl cellulose, natural gums, in particular guar gum, gum arabic, agar gum, pectins; proteins, including casein, soy protein, gelatin.
- cellulosic thickeners such as methyl, ethyl, hydroxyethyl and hydroxypropyl cellulose
- natural gums in particular guar gum, gum arabic, agar gum, pectins
- proteins including casein, soy protein, gelatin.
- the aqueous dispersion of filler particles consists, substantially, of a mixture of water and of said filler particles. "Substantially” is intended to indicate that the dispersion is obtained by mixing only water and filler particles, but it is not possible to rule out the presence of contaminants or impurities naturally present in the water and / or the charge particles, but which do not affect the properties of the aqueous dispersion or decorative paper of the invention.
- the dispersion can contain from 5 to 40% by weight of filler particles.
- the filler particles are mixed with the fibrous cellulose composition before it is deposited on the forming surface.
- This mixing can be achieved, for example, at the level of the pulp chamber, the headbox, a storage tank, at the level of the refiners, or the mixing pump.
- the introduction of the filler particles into the fibrous cellulose composition may be carried out by mixing, especially continuously, with the fibrous composition, before the headbox.
- such a mixture can be carried out in a pulp box.
- the filler particles according to the invention are introduced into the fibrous composition after deposition of said composition on a forming surface.
- a training surface suitable for the invention may be a Fourdrinier table.
- the pigment particles may be introduced into the fibrous cellulose composition by means of application devices such as a second headbox, a slit device, or a spraying device.
- the filler particles may be introduced into a fibrous cellulose composition, arranged in the form of a mattress on the forming surface, by means of a secondary headbox or by means of a slit coater, and more particularly by means of a curtain coating head.
- the term "slit coater or slit orifice” refers to coating heads in which the dispersion to be deposited passes through an orifice and forms a curtain which falls on the fibrous cellulose composition. , or paper pulp, before the section of wet presses.
- the filler particles may be sprayed into a fibrous wet cellulose composition at any location prior to the wet press section.
- the filler particles are preferably sprayed at a pressure and / or velocity sufficient to allow them to penetrate the paper pulp.
- the filler particles of the invention are introduced into the paper pulp by means of a combination of the various application devices above, before the section of wet presses.
- a process for preparing a decorative paper of the invention may comprise a step of adding a wet strength agent and / or a retention agent as defined above.
- the wet strength agent is a polyamine epichlorohydrin resin
- the retention agent may be a system of inorganic microparticles, for example anionic silicas, or a polyacrylamide of low ionicity.
- the fibrous cellulose composition, or paper pulp, incorporating filler particles of the invention, and any additional agents, may then be subjected to any drying step usually carried out in the paper industry to obtain a sheet of paper. decorative.
- a process for preparing a paper according to the invention comprises a drying step which can be carried out by any method known to those skilled in the art, and usually implemented in the field. Such methods therefore do not need to be described further here.
- a process for preparing a decorative paper of the invention may further comprise an additional step of surface treatment of the paper.
- Such a treatment may be a physical treatment, for example to improve the smoothness of the paper, or be a chemical treatment, for example a penetrating coating.
- a penetrating coating may for example consist in treating the surface of a paper with an agent for promoting the retention of the ink as described above. This step can in particular be carried out by "size-press" or "film press”.
- a method according to the invention may comprise a surface treatment step, in particular by penetrating coating.
- a surface treatment may consist in carrying out a penetrating coating of any agent usually used in the field.
- the deposited layer may comprise at least one agent selected from the group consisting of a cationic polymer and an absorbent organic polymer.
- the cationic and organic polymers may, in particular, be as defined above.
- a surface treatment step in particular by penetrating coating, can advantageously be carried out with at least one cationic polymer or at least one absorbent organic polymer, as described above, and preferably with polydiallyldimethylammonium, or a cellulose microcrystalline.
- a paper of the invention may advantageously be used to prepare a high or low pressure laminate, or a continuous laminate.
- the basic components of the laminate are kraft sheets impregnated with thermosetting resin and the decorative paper of the invention whether or not impregnated with a thermosetting resin.
- the basic components of the laminate are the support panel, such as a chipboard, and a decorative paper of the invention whether or not impregnated with a thermosetting resin.
- FIG. 3A shows in section the constituents of a low-pressure laminate, placed between the plates W of a press, comprising a decorative paper 22 according to the invention, impregnated with a thermosetting resin, and possibly printed with a pattern by ink jet on at least one of its faces, and a particle board 23.
- FIG. 3B shows in section the constituents of a high pressure laminate.
- the laminate comprises an overlay 26, a stack of decorative papers 22 according to the invention, optionally comprising at least one inkjet printed pattern on at least one of their faces.
- a stack of several decorative papers 22 each carrying at least one printed pattern on at least one of their faces is advantageous in that it can be used to create a 3D optical effect.
- the stack of decorative papers 22 is deposited on a stack 28 of sheets of craft paper, itself deposited on a so-called "counterbalancing" sheet.
- the different leaves are each impregnated with a thermosetting resin. According to a non-illustrated embodiment ⁇ overlay 26 and / or sheet 29 are absent.
- FIG. 3C illustrates the sizing of a laminate 31 of the invention, for example as described in FIG. 3B, on a support 23 by means of an adhesive 32.
- a mixture of cellulose fibers comprising 20% by weight of long staple fibers derived from softwood kraft pulp of the spruce type and 80% by weight of short fibers from bleached Kraft pulp of Eucalyptus is suspended in an aqueous phase. .
- the suspension is subjected to a refining step to obtain a Gurley porosity of 15 sec.
- fillers To this suspension are added separately the various fillers according to the nature and the contents indicated (expressed in%> ash at 800 ° C) below.
- the fillers are introduced in the form of an aqueous dispersion at 15% by weight.
- a polyamide epichlorohydrin wet strength agent At the rate of 0.6% dry.
- a retention agent of silica microparticle type At a rate of 0.5% dry.
- the paper (C) is obtained according to the method described in patent EP 1 749 134, and corresponds to example 4 of this patent.
- a smooth, plain white decorative paper having a basis weight of 80 g / m, a Gurley porosity of 20 s, a Bekk satin of 20 s, and containing 38% of ash, is produced on a machine.
- Fourdrinier type paper This support thus constituted is a standard paper (A).
- This paper is then coated by the coating process on one of its faces with 10 g / m 2 dry weight of an inkjet printing layer composed of 28.6 parts of the binder made of a mixing a hydrophilic aqueous solution of polyvinyl alcohol (PVA) and a polyvinyl acetate in stabilized aqueous dispersion (said latex), respectively in proportions 85/15 by dry weight and 100 parts of a silica coating (amorphous) having an average particle size of 5.3-6.3 ⁇ and a specific surface area (BET) of 160m 2 / g.
- PVA polyvinyl alcohol
- said latex said latex
- the color density of the printed papers was measured using an X rite 500 densitometer in yellow, black, magenta and cyan.
- the visual analysis of the printed papers was carried out using an observer panel that performed a good or bad ranking according to the fineness of the ink dots.
- Example 2 In this example are measured on the papers prepared in Example 1, the opacity before impregnation with a thermosetting resin, and the time of impregnation of these papers with a thermosetting resin.
- high-pressure laminates are prepared by a usual method.
- the high-pressure laminates prepared include 10 sheets of craft paper and 10 sheets of decorative papers.
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13792759T PL2914776T3 (pl) | 2012-10-30 | 2013-10-30 | Papier dekoracyjny do laminatów |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1260341A FR2997421B1 (fr) | 2012-10-30 | 2012-10-30 | Papier decoratif pour stratifies. |
PCT/IB2013/059796 WO2014068502A1 (fr) | 2012-10-30 | 2013-10-30 | Papier decoratif pour stratifies |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2914776A1 true EP2914776A1 (fr) | 2015-09-09 |
EP2914776B1 EP2914776B1 (fr) | 2017-02-01 |
Family
ID=48224846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13792759.6A Active EP2914776B1 (fr) | 2012-10-30 | 2013-10-30 | Papier decoratif pour stratifies |
Country Status (10)
Country | Link |
---|---|
US (1) | US9873987B2 (fr) |
EP (1) | EP2914776B1 (fr) |
JP (1) | JP6549036B2 (fr) |
CN (1) | CN104937168B (fr) |
CA (1) | CA2890275C (fr) |
ES (1) | ES2623712T3 (fr) |
FR (1) | FR2997421B1 (fr) |
PL (1) | PL2914776T3 (fr) |
RU (1) | RU2648099C2 (fr) |
WO (1) | WO2014068502A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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ES2926133T3 (es) * | 2016-01-26 | 2022-10-24 | Flooring Ind Ltd Sarl | Método para la fabricación de papel imprimible con inyección de tinta para su uso como papel decorativo |
CN106087533B (zh) * | 2016-06-13 | 2018-02-16 | 山东鲁南新材料股份有限公司 | 一种生态板修复纸及其制备方法 |
FR3062660B1 (fr) | 2017-02-03 | 2019-06-07 | Ahlstrom-Munksjö Oyj | Papier decor pour stratifies |
FR3087795B1 (fr) * | 2018-10-26 | 2021-04-09 | Ahlstrom Munksjo Oyj | Papier decor filigrane |
EP4202117A1 (fr) * | 2021-12-23 | 2023-06-28 | Schoeller Technocell GmbH & Co. KG | Papier décoratif à deux couches destiné à l'amélioration de la qualité d'impression |
WO2023196073A2 (fr) * | 2022-04-06 | 2023-10-12 | Interlam Corporation | Stratifié à surface décorative et procédé de fabrication d'un stratifié à surface décorative |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US1989709A (en) * | 1932-04-27 | 1935-02-05 | Johns Manville | Paper and method of making same |
JPS60200821A (ja) * | 1984-03-26 | 1985-10-11 | Mizusawa Ind Chem Ltd | 製紙用無機填料及びその製法 |
US4713138A (en) * | 1984-12-26 | 1987-12-15 | Nevamar Corporation | Method of producing abrasion-resistant decorative laminate |
JPS62292476A (ja) * | 1986-06-13 | 1987-12-19 | Mizusawa Ind Chem Ltd | インクジエツト記録紙用填料 |
US5595717A (en) * | 1989-03-23 | 1997-01-21 | Tasman Pulp & Paper Co., Limited | Controlled precipitation of amorphous silica from geothermal fluids or other aqueous media containing silicic acid |
EP0681559A4 (fr) * | 1993-02-01 | 1996-06-05 | Tasman Pulp & Paper Co Ltd | Silice amorphe, sa preparation et ses utilisations. |
US5591256A (en) * | 1994-08-10 | 1997-01-07 | J. M. Huber Corporation | High performance synthetic alkali metal alumino-silicate, methods and uses, compositions and high solids reaction methods of their preparation |
JP2908253B2 (ja) * | 1994-09-26 | 1999-06-21 | 日本化学工業株式会社 | 水和珪酸とその製造方法 |
JP3026933B2 (ja) * | 1995-12-27 | 2000-03-27 | 日本製紙株式会社 | 填料内添紙 |
DE19916546C2 (de) | 1999-04-13 | 2001-05-03 | Technocell Dekor Gmbh & Co Kg | Tintenstrahl-Aufnahmeschicht |
DE10057294C5 (de) * | 2000-11-17 | 2005-06-30 | Technocell Dekor Gmbh & Co. Kg | Dekorrohpapier mit hoher Opazität, sowie Dekorpapier oder Dekorfolie |
DE10115570B4 (de) * | 2001-03-28 | 2005-09-08 | Technocell Dekor Gmbh & Co. Kg | Dekorrohpapier mit verbesserter Opazität |
US7026038B2 (en) * | 2001-04-04 | 2006-04-11 | Nevamar Company, Llc | Wear resistant laminates |
DE10134302C1 (de) * | 2001-07-14 | 2002-12-12 | Technocell Dekor Gmbh & Co Kg | Vorimprägnat, Verfahren zu dessen Herstellung sowie daraus erhältliche Dekorimprägnate oder dekorative Beschichtungswerkstoffe |
JP4796282B2 (ja) * | 2004-03-30 | 2011-10-19 | 日本製紙株式会社 | 低密度印刷用紙 |
FR2870265B1 (fr) | 2004-05-13 | 2006-07-14 | Arjowiggins Soc Par Actions Si | Papier decoratif et stratifie decoratif le comportant |
US20090131573A1 (en) * | 2006-06-21 | 2009-05-21 | Martinswerk Gmbh | Process for the production of aluminum hydroxide |
RU2496936C2 (ru) | 2007-05-23 | 2013-10-27 | Акцо Нобель Н.В. | Способ получения целлюлозного продукта |
DE102007029540A1 (de) * | 2007-06-25 | 2009-01-08 | Technocell Dekor Gmbh & Co. Kg | Durch Ink-Jet bedruckbares Dekorpapier |
CA2709822C (fr) * | 2007-12-17 | 2014-10-07 | Technocell Dekor Gmbh & Co. Kg | Produit d'impregnation pour papier decoratif compressible, imprimable par le procede a jet d'encre |
US8221895B2 (en) * | 2007-12-21 | 2012-07-17 | Technocell Dekor Gmbh & Co. Kg | Base paper for decorative coating materials |
US9834684B2 (en) * | 2009-03-11 | 2017-12-05 | Imerys Filtration Minerals, Inc. | Natural amorphous silica filler products |
SG183827A1 (en) * | 2010-03-25 | 2012-10-30 | Japan Tobacco Inc | Cigarette filter and capsule filter cigarette using same |
-
2012
- 2012-10-30 FR FR1260341A patent/FR2997421B1/fr active Active
-
2013
- 2013-10-30 EP EP13792759.6A patent/EP2914776B1/fr active Active
- 2013-10-30 CA CA2890275A patent/CA2890275C/fr active Active
- 2013-10-30 JP JP2015540252A patent/JP6549036B2/ja active Active
- 2013-10-30 US US14/439,396 patent/US9873987B2/en active Active
- 2013-10-30 WO PCT/IB2013/059796 patent/WO2014068502A1/fr active Application Filing
- 2013-10-30 CN CN201380069003.4A patent/CN104937168B/zh active Active
- 2013-10-30 PL PL13792759T patent/PL2914776T3/pl unknown
- 2013-10-30 RU RU2015119830A patent/RU2648099C2/ru active
- 2013-10-30 ES ES13792759.6T patent/ES2623712T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
CA2890275A1 (fr) | 2014-05-08 |
EP2914776B1 (fr) | 2017-02-01 |
CN104937168A (zh) | 2015-09-23 |
FR2997421A1 (fr) | 2014-05-02 |
US9873987B2 (en) | 2018-01-23 |
RU2648099C2 (ru) | 2018-03-22 |
CA2890275C (fr) | 2021-09-14 |
US20150299962A1 (en) | 2015-10-22 |
JP6549036B2 (ja) | 2019-07-24 |
PL2914776T3 (pl) | 2017-08-31 |
ES2623712T3 (es) | 2017-07-12 |
FR2997421B1 (fr) | 2015-04-17 |
RU2015119830A (ru) | 2016-12-20 |
WO2014068502A1 (fr) | 2014-05-08 |
JP2016500771A (ja) | 2016-01-14 |
CN104937168B (zh) | 2017-10-27 |
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