EP2158358B1 - Ink-jet-printable decorative paper - Google Patents
Ink-jet-printable decorative paper Download PDFInfo
- Publication number
- EP2158358B1 EP2158358B1 EP08774172.4A EP08774172A EP2158358B1 EP 2158358 B1 EP2158358 B1 EP 2158358B1 EP 08774172 A EP08774172 A EP 08774172A EP 2158358 B1 EP2158358 B1 EP 2158358B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- color
- pigment
- decorative
- paper
- weight
- 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.)
- Active
Links
- 239000000049 pigment Substances 0.000 claims description 109
- 238000000576 coating method Methods 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000004040 coloring Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 3
- 229910001593 boehmite Inorganic materials 0.000 claims description 3
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000123 paper Substances 0.000 description 126
- 239000000203 mixture Substances 0.000 description 90
- 239000010410 layer Substances 0.000 description 49
- 239000000976 ink Substances 0.000 description 32
- 239000000975 dye Substances 0.000 description 31
- 239000000725 suspension Substances 0.000 description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000000945 filler Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 8
- 239000004408 titanium dioxide Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- 239000000454 talc Substances 0.000 description 7
- 229910052623 talc Inorganic materials 0.000 description 7
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 6
- 244000166124 Eucalyptus globulus Species 0.000 description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 6
- 239000002518 antifoaming agent Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007646 gravure printing Methods 0.000 description 4
- 238000007641 inkjet printing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000294754 Macroptilium atropurpureum Species 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000008199 coating composition Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- YKMMLFOYDTYAGR-UHFFFAOYSA-N 1-phenyl-2-(propan-2-ylamino)pentan-1-one Chemical compound CCCC(NC(C)C)C(=O)C1=CC=CC=C1 YKMMLFOYDTYAGR-UHFFFAOYSA-N 0.000 description 1
- PUAQLLVFLMYYJJ-UHFFFAOYSA-N 2-aminopropiophenone Chemical compound CC(N)C(=O)C1=CC=CC=C1 PUAQLLVFLMYYJJ-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004904 UV filter Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920006319 cationized starch Polymers 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000005125 dioxazines Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical class O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 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
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000001023 inorganic pigment Substances 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
- 239000002655 kraft paper Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 235000012243 magnesium silicates Nutrition 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002647 polyamide 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
- 150000004053 quinones Chemical class 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 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
- 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
-
- 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
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/42—Coatings with pigments characterised by the pigments at least partly organic
-
- 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
- D21H21/28—Colorants ; Pigments or opacifying 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
- 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
- D21H21/28—Colorants ; Pigments or opacifying agents
- D21H21/285—Colorants ; Pigments or opacifying agents insoluble
-
- 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
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
-
- 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
-
- 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
- B41M5/52—Macromolecular coatings
- B41M5/5236—Macromolecular coatings characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose
-
- 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
- B41M5/52—Macromolecular coatings
- B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
Definitions
- the invention relates to a decorative paper which can be impregnated with thermally curable resins and printed by ink jet method, wherein the decorative paper has the same color as laminate in its untreated shape.
- the decorative laminates are mainly high pressure laminates (HPL) and low pressure laminates (LPL).
- HPL high pressure laminates
- LPL low pressure laminates
- the decorative paper is impregnated in the unprinted or printed state with a resin and with one or more layers of kraft paper sheets, which were soaked in phenolic resin (core papers), in a laminating press at a temperature of about 110 to 170 ° C and a Pressed pressure of about 5.5 to 11 MPa.
- core papers phenolic resin
- the resulting laminate (HPL) is glued or glued with a carrier material such as HDF or chipboard.
- a low pressure laminate is prepared by directly pressing the unprinted or printed decorative paper impregnated with a resin at a temperature of 160 to 200 ° C and a pressure of 1.25 to 3.5 MPa to the backing plate.
- the refinement of material surfaces may be of an optical nature (by appropriate coloring) and / or physical nature (by coating the plate surface with appropriate functionality and structure).
- Decorative papers can be processed with or without a printed pattern.
- the application of the printing pattern is usually done by gravure printing.
- this printing technology has the advantage of printing large quantities of paper at high machine speed. If the patterns are printed on white decorative papers, it comes to a high ink consumption and in complicated patterns often to a poor image sharpness due to missing pixels.
- the conventional decorative patterns which are produced by gravure printing, usually printed on color-matched decorative base paper.
- color-matched decorative base paper For example, an oak replica is printed on a brown or light brown paper.
- This procedure has two advantages. On the one hand, the print image becomes more natural due to more homogeneity and balanced coloring, on the other hand, the consumption of printing inks is reduced.
- the patterns to be applied have taken on more complicated and more individual forms according to the demand of recent years.
- this increase in pattern diversity is accompanied by a decrease in the quantities to be produced.
- the low-pressure process is not profitable for small batches and insufficient in print quality for complicated patterns to evaluate.
- the production of small quantities is especially important in the field of design development.
- the EP 1 044 822 A1 describes a decorative base paper having an ink-jet ink-receiving layer and refers to the composition of the ink-receiving layer EP 0 631 880 A1 , According to the latter, the amount of the pigment in the ink receiving layer may be 10 to 10% by weight, and in the ink receiving layer may be contained white pigments, colored pigments, dyes, especially silica, clay, zeolites and other inorganic pigments.
- the pigment / filler content of the sized base paper may be 5 to 20% by weight.
- the EP 0 947 348 A2 describes a recording material for the ink-jet printing process with a kenaf pulp-containing sized base paper and a receiving layer thereon for the ink-jet printing ink, which preferably contain an alumina hydrate or silica pigment, so a white or a color pigment.
- ink-jet papers are white.
- the ink-jet printing inks must be applied partly in large quantities in order to cover the whiteness of the base paper where the pattern requires it.
- Another object of the invention is to propose a decorative paper which finds application in the proofing area for a quick visual evaluation of a later gravure result.
- the object is achieved by a decorative paper containing a base paper (decorative base paper) and an ink receiving layer, wherein the ink receiving layer is colored so that the decorative paper after impregnation with conventional Impregnating resins and compression laminate has the same color as a laminate of decorative paper, which has no ink-receiving layer.
- the raw papers which can be used according to the invention are those which have undergone neither sizing in the composition nor surface sizing. These consist essentially of celluloses, pigments and fillers and conventional additives. Common additives may be wet strength agents, retention aids and fixatives. Decorative base papers differ from conventional papers due to the much higher filler content or pigment content and the lack of standard paper sizing or surface sizing on paper.
- fillers and / or pigments, color pigments and / or dyes and wet strength agents such as polyamide / polyamine-epichlorohydrin resin, cationic polyacrylates, modified melamine-formaldehyde resin or cationized starches may be used in the production of decorative papers Quantities are added and mixed well with the pulp mixture.
- the fillers and / or pigments can be added in an amount (mass) of up to 55% by weight, in particular 10 to 45% by weight, based on the weight of the pulp.
- Suitable pigments and fillers are, for example, titanium dioxide, talc, zinc sulfide, kaolin, aluminum oxide, calcium carbonate, corundum, aluminum and magnesium silicates or mixtures thereof.
- the thick stock produced in the mixing chest can be diluted to a consistency of about 1%. If necessary, other auxiliaries such as retention aids, defoamers, dyes and other auxiliaries mentioned above or mixtures thereof may be added.
- This thin material is fed to the wire section via the headbox of the paper machine. A non-woven fabric is formed and, after dewatering, the base paper is obtained, which is subsequently dried.
- the basis weights of the papers produced can be 15 to 300 g / m 2 .
- inorganic color pigments such as metal oxides, hydroxides and oxide hydrates, metal sulfides, sulfates, chromates and molybdate or mixtures thereof, as well as organic color pigments and / or dyes such as carbonyl colorants (eg quinones, quinacridones), cyanine colorants, azo colorants , Azomethines and methines, phthalocyanines or dioxazines.
- carbonyl colorants eg quinones, quinacridones
- cyanine colorants eg quinones, quinacridones
- azo colorants e.g azo colorants
- Azomethines and methines phthalocyanines or dioxazines.
- Particular preference is given to mixtures of inorganic color pigments and organic color pigments or substances.
- color pigments and dyes such as iron oxide (EO) yellow (Bayferrox 415), iron oxide (EO) red (Bayferrox 110 M), carbon black Carbofin LC 2900, color pigments blue PB 15, color pigments violet PV 23 and dye yellow PY 97 and their mixtures are used.
- the color pigments and dyes mentioned above can be used in the context of the invention both in the decorative base paper and in the ink-receiving layer.
- color pigment (s) or dye (s) is to be understood as meaning a single color pigment or a color pigment mixture or a single dye or a dye mixture.
- the amount of the color pigment (s) and / or dye (s) in the decorative base paper can be from 0.0001 to 5% by weight, in particular from 0.001 to 4% by weight, depending on the nature of the substance.
- the quantity refers to the mass of the pulp.
- the ink receiving layer all known receiving layers can be used. These are usually hydrophilic coatings containing water-soluble or water-dispersible polymers.
- the ink receiving layer may additionally contain fillers, pigments, dye-fixing substances and other adjuvants conventionally used in such layers.
- the ink receiving layer contains a pigment and a binder in a proportion of from 20:80 to 80:20 (by weight).
- the amount of the pigment in the ink receiving layer is preferably 5 to 80% by weight, but more preferably 10 to 60% by weight, based on the dry weight of the layer.
- the pigment may be any pigment commonly used in the ink-jet recording materials, but especially alumina, aluminum hydroxide, boehmite and silicas (e.g., a precipitated or pyrogenic silica).
- the binder may be a water-soluble and / or water-dispersible polymer, for example polyvinyl alcohol, polyvinylpyrrolidone, polyvinyl acetate, starch, gelatin, Carboxymethylcellulose, ethylene / vinyl acetate, styrene / acrylic acid ester copolymers or mixtures thereof.
- the ink receiving layer with the same color pigment (s) and / or dye (s) is dyed, with which also the raw paper is dyed.
- the amount (concentration) of the color pigment (e) and / or dye (s) in the ink receiving layer based on the mass of the dried ink receiving layer is preferably about 45 to 75%, more preferably 45 to 65% of the amount of the colored pigment (s) and / or dye (s) in the base paper, based on the mass of the pulp (atro).
- the application weight of the ink receiving layer may be 2 to 25 g / m 2 , especially 3 to 20 g / m 2 , but preferably 4 to 15 g / m 2 .
- the ink-receiving layer can be applied by conventional application methods such as roller application, slot nozzle application, engraving or Nipp process, curtain coating, Lucasbürsten- or Rollrakeldostician.
- Suitable impregnating resins are the impregnating resins conventionally used in this technical field, in particular melamine-formaldehyde resin, urea-formaldehyde resin, phenol-formaldehyde resin, polyacrylates, acrylic ester-styrene copolymers and polyvinyl alcohol.
- the amount of resin is 50 to 300%, preferably 95 to 150%, based on the basis weight of the decorative base paper.
- a pulp suspension was prepared by adding a pulp mixture of 80% by weight of eucalyptus pulp and 20% by weight of pine sulphate pulp at a consistency of 5% to a freeness of 33 ° SR with addition of a color pigment / dye mixture (color mixture 1). was ground. Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate.
- the pulp suspension was added to a mixture of 40% by weight of titanium dioxide and 5% by weight of talc, 0.11% by weight of a retention aid and 0.03% by weight of an antifoam and a colored decorative base paper having a basis weight of about 80 g / m 2 and an ash content of about 32% by weight (Reference 1). The weights are based on the pulp.
- a coating composition for the ink receiving layer was prepared with the following composition: water 80% by weight boehmite 10% by weight polyvinyl alcohol 5% by weight polyvinyl acetate 4% by weight Quat. polyammonium 1% by weight
- the same mix of colors was used in the first batch as in the base paper.
- an about 5% color pigment / dye suspension was prepared and added in different dosages of the coating.
- the different color intensive coating compounds were each applied to the decorative base paper with a coating weight of 6 g / m 2 (knife application / 0.2 doctor blade) and dried.
- the uncoated colored decorative base paper (reference 1) was impregnated with melamine-formaldehyde resin.
- the basis weight of the paper after impregnation was 160 g / m 2 .
- the impregnated paper was then pressed with a carrier as a laminate (reference plate 1).
- the coated, differently colored decor papers were also impregnated and pressed into laminates. The pressing of all decor papers was carried out at a temperature of 140 ° C and a pressure of 9 MPa.
- the color space of the differently colored laminated boards (laminates) was measured with the aid of a colorimeter and with the color space of the reference plate 1 compared.
- the color formulation was subsequently adjusted and empirically calculated and the coating tests repeated.
- the process was completed after the deviation of the color values between the reference plate and the laminated board of coated decorative paper, measured as the color difference ⁇ E, is less than 0.50.
- the optimized color pigment / dye mixture for coloring the coating composition (color mixture 1 Opt.I) was determined.
- the decorative base paper was then recoated with the optimally colored ink-receiving layer at two different application weights (3 g / m 2 and 9 g / m 2 ) (decorative papers 1A and 1B), the concentration of the colorant mixture in the ink-receiving layer being 59.2% of the concentration of the Color mixture in the decorative base paper was.
- the coated decorative papers were impregnated as above and pressed into Schichtstöffplatten. Subsequently, the color space of the plates was measured and the color difference ⁇ E was determined (Table 2).
- the color pigment / dye mixture required for coloring the ink receiving layer was determined in accordance with the colored decorative base paper (color mix 2 Opt.I). The procedure for determining the required amount of the color pigment / dye mixture in the ink receiving layer was as in Example 1.
- the decorative base paper was then coated again with the optimally colored ink-receiving layer at a coating weight of 6 g / m 2 (decorative paper 2), the concentration of the color mixture in the ink-receiving layer being 49.3% of the concentration of the color mixture in the decorative base paper.
- the uncoated decorative paper base (reference 2) was impregnated as indicated above and pressed into a laminate plate (reference plate 2). In the same way, the coated decorative paper 2 was processed. Subsequently, the color space of the plates was measured and the color difference ⁇ E was determined (Table 2).
- the color pigment / dye mixture required for coloring the ink receiving layer was determined in accordance with the colored decorative base paper (color mix 3 Opt.I). The procedure for determining the required amount of the color pigment / dye mixture in the ink receiving layer was as in Example 1.
- the uncoated decorative paper was impregnated as indicated above and pressed into a laminate plate (Reference Plate 3) under the same conditions as in Example 1.
- the decorative paper 3 was also impregnated and pressed. Subsequently, the color space of the laminate panels was measured and the color difference ⁇ E determined (Table 2).
- the pulp suspension was admixed with a mixture of 40% by weight of titanium dioxide and 5% by weight of talc, 0.11% by weight of a retention aid and 0.03% by weight of an antifoam, and from this a colored decorative base paper having a basis weight of about 80 g / m 2 and an ash content of about 32 wt.% (Reference 2).
- the weights are based on the pulp.
- the color pigment / dye mixture required for coloring the ink receiving layer was determined in accordance with the colored decorative base paper (color mix 4 Opt.I). The procedure for determining the required amount of the mixture in the ink receiving layer was as in Example 1.
- the decorative base paper was then coated again with the optimally colored ink-receiving layer at an application weight of 18 g / m 2 (decorative paper 4), the concentration of the color mixture in the ink-receiving layer being 62.6% of the concentration of the color mixture in the decorative base paper.
- the reference paper 4 was impregnated as in Example 1 and pressed to reference plate 4.
- the coated decorative paper 4 was likewise impregnated and pressed.
- the color space of the plates was then measured and the color difference ⁇ E was determined (Table 2).
- a pulp suspension was prepared by milling a pulp mixture of 80% by weight of eucalyptus pulp and 20% by weight of pine sulphate pulp at a consistency of 5% to a freeness of 33 ° SR with the addition of a color pigment mixture (color mixture 1). Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate.
- the decorative base paper was then coated with the ink-receiving layer dyed according to Example 1 with the color mix 1 Opt.I.
- the application weight was 6 g / m 2 (decorative paper 5).
- the reference paper 5 was impregnated as in Example 1 and pressed to reference plate 5. Also impregnated and the coated decorative paper 5 was pressed. Subsequently, the color space of the plates was measured and the color difference ⁇ E was determined (Table 2).
- a pulp suspension of 100% by weight of eucalyptus pulp was milled at a stock density of 5% to a freeness of 33 ° SR with the addition of a color pigment mixture (color mix 3). Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate.
- the decorative base paper was then coated with the ink-receiving layer dyed according to Example 3 with the 3 Opt.I color mix.
- the application weight was 6 g / m 2 (decorative paper 6).
- the reference paper 6 was impregnated as in Example 1 and pressed to reference plate 6.
- the coated decorative paper 6 was likewise impregnated and pressed.
- the color space of the plates was then measured and the color difference ⁇ E determined (Table 2).
- Example 1 The decorative base paper of Example 1 (Reference 1) was coated with the ink receiving layer described in Example 1 in an application amount of 3 g / m 2 , but without dyes and / or color pigments (decorative paper V1). The coated decorative paper was impregnated as in the other examples and pressed into a laminate. Subsequently, the color space of the plate was measured and compared with the color space of the reference plate 1. The color difference ⁇ E (Table 2) was determined.
- the decorative base paper of Example 1 (Reference 1) was coated with an ink-receiving layer containing a mixture of color pigment / dyes as used in Decor paper 1B, but at a concentration of 37.7% (Color Mix 1 Opt.II) Amount of the corresponding mixture in the base paper (Table 1).
- the coating weight of the ink receiving layer was 9 g / m 2 .
- the further processing of the decorative paper was carried out as in the other examples. Subsequently, the color space of the plate was measured and compared with the color space of the reference plate 1. The determined color difference ⁇ E is given in Table 2.
- the decorative base paper of Example 3 (Reference 3) was coated with an ink-receiving layer containing a mixture of color pigment / dyes as used in Decor paper 3 but at a concentration of 80.7% (Color Mix 3 Opt.II) Amount of the corresponding Mixture in base paper (Table 1).
- the coating weight of the ink receiving layer was 6 g / m 2 .
- the further processing of the decorative paper was carried out as in the other examples. Subsequently, the color space of the plate was measured and compared with the color space of the reference plate 3. The determined color difference ⁇ E is given in Table 2.
- Table 1 shows the decorative papers dyed according to the invention and the comparative examples.
- the color measurements on the laminate plates produced were carried out using a Colorimeter Model: SF 600 from Datacolor.
- the color difference ⁇ E between the reference plate and the laminate plate with the coated decorative paper was determined.
- the color space of the laminates of Examples 5 and 6 was measured, compared with the color space of the reference plates 1 and 3, and the opacity difference ⁇ Opacity was determined. For the same coloration is the difference between the laminates to be compared ⁇ Opacity ⁇ 1%.
- Table 1 example Pigment raw paper Type / quantity (% by weight, based on pulp (atro)) Pigment ink receiving layer (TAS) kind / amount (% by weight based on dried ink receiving layer) Reference 1 Light gray Ash content: 32% by weight Color Mix 1 EO yellow 0.0610 Pigment blue 0.0033 Pigment violet 0.0078 Pigment black 0.0910 Decorative paper 1A light gray coating application: 3 g / m 2 Color Mix 1 Color Mix 1 Opt.I (after optimization) EO yellow 0.0610 EO yellow 0.0365 Pigment blue 0.0033 Pigment blue 0.0020 Pigment violet 0.0078 Pigment violet 0.0035 Pigment black 0.0910 Pigment black .0545 Decorative paper 1B light gray Color Mix 1 Color Mix 1 Opt.I (after optimization) EO yellow 0.0610 EO yellow 0.0365 Pigment blue 0.0033 Pigment blue 0.0020 9 g / m 2 Pigment violet 0.0078 Pigment violet 0.0035 Pigment black 0.0910
Description
Die Erfindung betrifft ein Dekorpapier, das mit thermisch härtbaren Harzen imprägnierbar und mittels Tintenstrahl-Verfahren bedruckbar ist, wobei das Dekorpapier als Laminat die gleiche Farbe wie in seiner unbehandelten Form aufweist.The invention relates to a decorative paper which can be impregnated with thermally curable resins and printed by ink jet method, wherein the decorative paper has the same color as laminate in its untreated shape.
Dekorpapiere werden zur Herstellung von dekorativen Laminaten benötigt, die als Baustoffe bei der Möbelherstellung und im Innenausbau Anwendung finden. Bei den dekorativen Laminaten handelt es sich hauptsächlich um sogenannte Hochdruck-Laminate (HPL) und Niederdruck-Laminate (LPL). Zur Herstellung eines Hochdruck-Laminats wird das Dekorpapier im unbedruckten oder bedruckten Zustand mit einem Harz imprägniert und mit einer oder mehreren Lagen Kraftpapierbögen, die in Phenolharz getränkt wurden (Kernpapiere), in einer Laminierpresse bei einer Temperatur von etwa 110 bis 170°C und einem Druck von etwa 5,5 bis 11 MPa verpresst. Anschließend wird der so entstandene Schichtstoff (HPL) mit einem Trägermaterial wie HDF-oder Spannplatte verleimt oder verklebt. Ein Niederdruck-Laminat wird hergestellt, indem das unbedruckte oder bedruckte und mit einem Harz imprägnierte Dekorpapier bei einer Temperatur von 160 bis 200°C und einem Druck von 1,25 bis 3,5 MPa direkt mit der Trägerplatte verpresst wird.Decorative papers are needed for the production of decorative laminates, which are used as building materials in furniture production and interior design. The decorative laminates are mainly high pressure laminates (HPL) and low pressure laminates (LPL). To produce a high-pressure laminate, the decorative paper is impregnated in the unprinted or printed state with a resin and with one or more layers of kraft paper sheets, which were soaked in phenolic resin (core papers), in a laminating press at a temperature of about 110 to 170 ° C and a Pressed pressure of about 5.5 to 11 MPa. Subsequently, the resulting laminate (HPL) is glued or glued with a carrier material such as HDF or chipboard. A low pressure laminate is prepared by directly pressing the unprinted or printed decorative paper impregnated with a resin at a temperature of 160 to 200 ° C and a pressure of 1.25 to 3.5 MPa to the backing plate.
Die Veredelung von Werkstoffoberflächen kann optischer Natur (durch entsprechende Farbgebung) und/oder physikalischer Natur sein (durch Beschichtung der Plattenoberfläche mit entsprechender Funktionalität und Struktur). Dekorpapiere können mit oder ohne aufgedrucktes Muster verarbeitet werden.The refinement of material surfaces may be of an optical nature (by appropriate coloring) and / or physical nature (by coating the plate surface with appropriate functionality and structure). Decorative papers can be processed with or without a printed pattern.
Das Aufbringen des Druckmusters erfolgt üblicherweise im Tiefdruckverfahren. Insbesondere bei der Erzeugung markt-üblicher Druckmuster weist diese Drucktechnik den Vorteil auf, große Papiermengen mit hoher Maschinengeschwindigkeit zu bedrucken. Sollten die Muster auf weiße Dekorpapiere gedruckt werden, kommt es zu einem hohen Farbverbrauch und bei komplizierteren Mustern oftmals zu einer mangelhaften Bildschärfe durch fehlende Bildpunkte.The application of the printing pattern is usually done by gravure printing. In particular, in the production of commercially available printing patterns, this printing technology has the advantage of printing large quantities of paper at high machine speed. If the patterns are printed on white decorative papers, it comes to a high ink consumption and in complicated patterns often to a poor image sharpness due to missing pixels.
Daher werden die herkömmlichen Dekormuster, die im Tiefdruckverfahren hergestellt werden, üblicherweise auf farblich angepasstes Dekorrohpapier gedruckt. So wird beispielsweise eine Eichennachbildung auf ein braunes oder hellbraunes Papier gedruckt. Diese Vorgehensweise hat zwei Vorteile. Zum einen wird das Druckbild natürlicher durch mehr Homogenität und ausgewogene Farbgebung, zum anderen wird der Verbrauch von Druckfarben reduziert.Therefore, the conventional decorative patterns, which are produced by gravure printing, usually printed on color-matched decorative base paper. For example, an oak replica is printed on a brown or light brown paper. This procedure has two advantages. On the one hand, the print image becomes more natural due to more homogeneity and balanced coloring, on the other hand, the consumption of printing inks is reduced.
Die aufzubringenden Muster haben entsprechend der Nachfrage der letzten Jahre kompliziertere und individuellere Formen angenommen. Diese Zunahme der Mustervielfalt geht jedoch mit einer Abnahme der herzustellenden Mengen einher. Dies hat zur Folge, dass das Tiefdruck-Verfahren für Kleinserien als nicht rentabel und bezüglich der Druckqualität bei komplizierten Mustern als nicht ausreichend zu bewerten ist. Die Herstellung kleiner Mengen ist aber gerade im Bereich der Designentwicklung von Bedeutung.The patterns to be applied have taken on more complicated and more individual forms according to the demand of recent years. However, this increase in pattern diversity is accompanied by a decrease in the quantities to be produced. As a result, the low-pressure process is not profitable for small batches and insufficient in print quality for complicated patterns to evaluate. However, the production of small quantities is especially important in the field of design development.
Von den Drucktechniken, die den Anforderungen an Flexibilität und Qualität standhalten, gewinnt das Tintenstrahl-Druckverfahren (Ink-Jet) zunehmend an Bedeutung.Of the printing techniques that meet the requirements of flexibility and quality, the inkjet printing process (ink-jet) is becoming increasingly important.
Um Dekorrohpapiere Ink-Jet-bedruckbar zu machen, werden diese mit einer oder mehreren Funktionsschichten zur Aufnahme der Tinten und Fixierung der Farbstoffe beschichtet. Ein solches Ink-Jet-bedruckbares Dekorpapier ist beispielsweise in der
Üblicherweise sind Ink-Jet-Papiere weiß. Die Ink-Jet-Druckfarben müssen teils in großen Mengen aufgetragen werden, um dort, wo es für das Muster erforderlich ist, die Weiße des Basispapiers abzudecken.Usually, ink-jet papers are white. The ink-jet printing inks must be applied partly in large quantities in order to cover the whiteness of the base paper where the pattern requires it.
Es ist die Aufgabe der Erfindung, ein Dekorpapier anzubieten, das die gleichen Vorteile wie ein gefärbtes Dekorpapier beim Tiefdruck aufweist, gleichzeitig aber kostengünstig in kleineren Mengen hergestellt werden kann.It is the object of the invention to provide a decorative paper which has the same advantages as a colored decorative paper in gravure printing, but at the same time can be produced inexpensively in smaller quantities.
Eine weitere Aufgabe der Erfindung ist es, ein Dekorpapier vorzuschlagen, das im Proofing-Bereich zu einer schnellen visuellen Bewertung eines späteren Tiefdruckergebnisses Anwendung findet.Another object of the invention is to propose a decorative paper which finds application in the proofing area for a quick visual evaluation of a later gravure result.
Die Aufgabe wird durch ein Dekorpapier gelöst, das ein Rohpapier (Dekorrohpapier) und eine Tintenaufnahmeschicht enthält, wobei die Tintenaufnahmeschicht so eingefärbt ist, dass das Dekorpapier nach Imprägnierung mit üblichen Imprägnierharzen und Verpressung als Laminat die gleiche Färbung aufweist, wie ein Laminat aus einem Dekorpapier, das keine Tintenaufnahmeschicht aufweist.The object is achieved by a decorative paper containing a base paper (decorative base paper) and an ink receiving layer, wherein the ink receiving layer is colored so that the decorative paper after impregnation with conventional Impregnating resins and compression laminate has the same color as a laminate of decorative paper, which has no ink-receiving layer.
Die erfindungsgemäß einsetzbaren Rohpapiere sind solche, die weder eine Leimung in der Masse noch eine Oberflächenleimung erfahren haben. Diese bestehen im Wesentlichen aus Zellstoffen, Pigmenten und Füllstoffen und üblichen Additiven. Übliche Additive können Nassfestmittel, Retentionsmittel und Fixiermittel sein. Dekorrohpapiere unterscheiden sich von üblichen Papieren durch den sehr viel höheren Füllstoffanteil oder Pigmentgehalt und das Fehlen einer beim Papier üblichen Masseleimung oder Oberflächenleimung.The raw papers which can be used according to the invention are those which have undergone neither sizing in the composition nor surface sizing. These consist essentially of celluloses, pigments and fillers and conventional additives. Common additives may be wet strength agents, retention aids and fixatives. Decorative base papers differ from conventional papers due to the much higher filler content or pigment content and the lack of standard paper sizing or surface sizing on paper.
Zur Herstellung der Dekorrohpapiere können Nadelholz-Zellstoffe, Laubholz-Zellstoffe oder Mischungen beider Zellstoffarten verwendet werden. Bevorzugt wird der Einsatz von 100% Laubholzzellstoff. Aber auch Mischungen aus Nadelholz-/Laubholz-Zellstoffen im Massenverhältnis 5:95 bis 50:50, insbesondere 10:90 bis 30:70 können verwendet werden. Die Rohpapiere können auf einer Fourdrinier-Papiermaschine oder einer Yankee-Papiermaschine hergestellt werden. Dazu kann das Zellstoffgemisch bei einer Stoffdichte von 2 bis 5 Gew.% bis zu einem Mahlgrad von 10 bis 45°SR gemahlen werden. In einer Mischbütte können Füllstoffe und/oder Pigmente, Farbpigmente und/oder Farbstoffe sowie Nassfestmittel wie Polyamid/Polyamin-Epichlorhydrin-Harz, kationische Polyacrylate, modifiziertes Melamin-Formaldehyd-Harz oder kationisierte Stärken in bei der Herstellung von Dekorpapieren üblichen Mengen zugesetzt und mit dem Zellstoffgemisch gut vermischt werden.Softwood pulps, hardwood pulps or mixtures of both pulp types can be used to produce the decorative base papers. Preference is given to the use of 100% hardwood pulp. But mixtures of softwood / hardwood pulps in the mass ratio of 5:95 to 50:50, especially 10:90 to 30:70 can be used. The base papers can be produced on a Fourdrinier paper machine or a Yankee paper machine. For this purpose, the pulp mixture can be ground at a consistency of 2 to 5 wt.% To a freeness of 10 to 45 ° SR. In a mixer, fillers and / or pigments, color pigments and / or dyes and wet strength agents such as polyamide / polyamine-epichlorohydrin resin, cationic polyacrylates, modified melamine-formaldehyde resin or cationized starches may be used in the production of decorative papers Quantities are added and mixed well with the pulp mixture.
Die Füllstoffe und/oder Pigmente können in einer Menge (Masse) bis zu 55 Gew.%, insbesondere 10 bis 45 Gew.%, bezogen auf das Gewicht des Zellstoffs, zugegeben werden. Geeignete Pigmente und Füllstoffe sind beispielsweise Titandioxid, Talkum, Zinksulfid, Kaolin, Aluminiumoxid, Calciumcarbonat, Korund, Aluminium- und Magnesiumsilikate oder deren Gemische.The fillers and / or pigments can be added in an amount (mass) of up to 55% by weight, in particular 10 to 45% by weight, based on the weight of the pulp. Suitable pigments and fillers are, for example, titanium dioxide, talc, zinc sulfide, kaolin, aluminum oxide, calcium carbonate, corundum, aluminum and magnesium silicates or mixtures thereof.
Der in der Mischbütte erzeugte Dickstoff kann bis zu einer Stoffdichte von etwa 1 % verdünnt werden. Soweit erforderlich können weitere Hilfsstoffe wie Retentionshilfsmittel, Entschäumer, Farbstoffe und andere zuvor genannte Hilfsstoffe oder deren Gemische zugesetzt werden. Dieser Dünnstoff wird über den Stoffauflauf der Papiermaschine auf die Siebpartie geführt. Es wird ein Faservlies gebildet und nach Entwässerung das Rohpapier erhalten, welches anschließend noch getrocknet wird. Die Flächengewichte der erzeugten Papiere können 15 bis 300 g/m2 betragen.The thick stock produced in the mixing chest can be diluted to a consistency of about 1%. If necessary, other auxiliaries such as retention aids, defoamers, dyes and other auxiliaries mentioned above or mixtures thereof may be added. This thin material is fed to the wire section via the headbox of the paper machine. A non-woven fabric is formed and, after dewatering, the base paper is obtained, which is subsequently dried. The basis weights of the papers produced can be 15 to 300 g / m 2 .
Abhängig von der Anwendung und den Qualitätsanforderungen können die erfindungsgemäß eingesetzten Dekorrohpapiere wie folgt beschaffen sein:
- glatt, d.h. mit Glätte nach Bekk über 80 s,
- ungeglättet < 80 s,
- mit einem Yankeezylinder oder mit einem Kalander geglättet,
- nicht oder mit einem Kunstharz vorimprägniert,
- sehr luftdurchlässig (Gurley-Werte unter 20 s/hml)(hml=100 ml) oder dicht (Gurley-Werte über 20 s/hml) oder sogar im Falle der Vorimprägnate extrem dicht mit Gurley-Werten über 200 s/hml.
- smooth, ie with Bekk smoothness over 80 s,
- unsmoothed <80 s,
- smoothed with a Yankee cylinder or with a calender,
- not or preimpregnated with a synthetic resin,
- very air-permeable (Gurley values below 20 s / hml) (hml = 100 ml) or dense (Gurley values above 20 s / hml) or even extremely dense in the case of prepregs with Gurley values above 200 s / hml.
Zur Einfärbung des erfindungsgemäßen Dekorpapiers können anorganische Farbpigmente wie Metalloxide, -hydroxide und -oxidhydrate, Metallsulfide, -sulfate, -chromate und - molybdate oder Gemische davon, sowie organische Farbpigmente und/oder Farbstoffe wie Carbonylfarbmittel (z.B. Chinone, Chinacridone), Cyaninfarbmittel, Azofarbmittel, Azomethine und Methine, Phthalocyanine oder Dioxazine eingesetzt werden. Insbesondere bevorzugt sind Gemische aus anorganischen Farbpigmenten und organischen Farbpigmenten oder -stoffen. Es können beispielsweise folgende, im Handel erhältliche Farbpigmente und Farbstoffe wie Eisenoxid (EO)Gelb (Bayferrox 415), Eisenoxid (EO)Rot (Bayferrox 110 M), Ruß Carbofin LC 2900, Farbpigmente Blau PB 15, Farbpigmente Violett PV 23 und Farbstoff Gelb PY 97 und deren Gemische eingesetzt werden. Die oben erwähnten Farbpigmente und Farbstoffe sind im Sinne der Erfindung sowohl im Dekorrohpapier als auch in der Tintenaufnahmeschicht einsetzbar.For coloring the decorative paper according to the invention, inorganic color pigments such as metal oxides, hydroxides and oxide hydrates, metal sulfides, sulfates, chromates and molybdate or mixtures thereof, as well as organic color pigments and / or dyes such as carbonyl colorants (eg quinones, quinacridones), cyanine colorants, azo colorants , Azomethines and methines, phthalocyanines or dioxazines. Particular preference is given to mixtures of inorganic color pigments and organic color pigments or substances. For example, the following commercially available color pigments and dyes such as iron oxide (EO) yellow (Bayferrox 415), iron oxide (EO) red (Bayferrox 110 M), carbon black Carbofin LC 2900, color pigments blue PB 15, color pigments violet PV 23 and dye yellow PY 97 and their mixtures are used. The color pigments and dyes mentioned above can be used in the context of the invention both in the decorative base paper and in the ink-receiving layer.
Unter dem Begriff Farbpigment(e) bzw. Farbstoff(e) ist ein einzelnes Farbpigment oder ein Farbpigmentgemisch bzw. ein einzelner Farbstoff oder ein Farbstoffgemisch zu verstehen.The term color pigment (s) or dye (s) is to be understood as meaning a single color pigment or a color pigment mixture or a single dye or a dye mixture.
Welche Farbpigment(e) oder Farbstoff(e) verwendet werden, hängt von der gewünschten Färbung des Dekorpapiers ab.Which color pigment (s) or dye (s) are used depends on the desired color of the decor paper.
Die Menge der Farbpigment(e)und/oder Farbstoff(e) im Dekorrohpapier kann je nach Art des Stoffes von 0,0001 bis 5 Gew.%, insbesondere 0,001 bis 4 Gew.% betragen. Die Mengenangabe bezieht sich auf die Masse des Zellstoffs.The amount of the color pigment (s) and / or dye (s) in the decorative base paper can be from 0.0001 to 5% by weight, in particular from 0.001 to 4% by weight, depending on the nature of the substance. The quantity refers to the mass of the pulp.
Für die Tintenaufnahmeschicht können alle bekannten Empfangsschichten eingesetzt werden. Hierbei handelt es sich meistens um hydrophile Beschichtungen, die wasserlösliche oder wasserdispergierbare Polymere enthalten.For the ink receiving layer, all known receiving layers can be used. These are usually hydrophilic coatings containing water-soluble or water-dispersible polymers.
Die Tintenaufnahmeschicht kann zusätzlich Füllstoffe, Pigmente, farbstofffixierende Substanzen und weitere, in solchen Schichten üblicherweise verwendete Hilfsstoffe enthalten.The ink receiving layer may additionally contain fillers, pigments, dye-fixing substances and other adjuvants conventionally used in such layers.
In einer bevorzugten Ausgestaltung der Erfindung enthält die Tintenaufnahmeschicht ein Pigment und ein Bindemittel in einem Mengenverhältnis von 20:80 bis 80:20 (Masse). Die Menge des Pigments in der Tintenaufnahmeschicht beträgt vorzugsweise 5 bis 80 Gew.%, insbesondere jedoch 10 bis 60 Gew.%, bezogen auf das Trockengewicht der Schicht.In a preferred embodiment of the invention, the ink receiving layer contains a pigment and a binder in a proportion of from 20:80 to 80:20 (by weight). The amount of the pigment in the ink receiving layer is preferably 5 to 80% by weight, but more preferably 10 to 60% by weight, based on the dry weight of the layer.
Das Pigment kann jedes beliebige, in den Ink-Jet-Aufzeichnungsmaterialien üblicherweise verwendete Pigment sein, insbesondere jedoch Aluminiumoxid, Aluminiumhydroxid, Böhmit und Kieselsäuren (z.B. eine gefällte oder pyrogen erzeugte Kieselsäure).The pigment may be any pigment commonly used in the ink-jet recording materials, but especially alumina, aluminum hydroxide, boehmite and silicas (e.g., a precipitated or pyrogenic silica).
Das Bindemittel kann ein wasserlösliches und/oder wasserdispergierbares Polymer sein, beispielsweise Polyvinylalkohol, Polyvinylpyrrolidon, Polyvinylacetat, Stärke, Gelatine, Carboxymethylcellulose, Ethylen/Vinylacetat, Styrol/Acrylsäureester-Copolymere oder deren Gemische.The binder may be a water-soluble and / or water-dispersible polymer, for example polyvinyl alcohol, polyvinylpyrrolidone, polyvinyl acetate, starch, gelatin, Carboxymethylcellulose, ethylene / vinyl acetate, styrene / acrylic acid ester copolymers or mixtures thereof.
In einer besonderen Ausgestaltung der Erfindung wird die Tintenaufnahmeschicht mit den gleichen Farbpigment(en) und/oder Farbstoff(en) eingefärbt, mit denen auch das Rohpapier eingefärbt wird.In a particular embodiment of the invention, the ink receiving layer with the same color pigment (s) and / or dye (s) is dyed, with which also the raw paper is dyed.
Die Menge (Konzentration) der Farbpigment(e) und/oder Farbstoff(e) in der Tintenaufnahmeschicht, bezogen auf die Masse der getrockneten Tintenaufnahmeschicht, beträgt vorzugsweise etwa 45 bis 75 %, insbesondere 45 bis 65 % der Menge der Farbpigment(e) und/oder Farbstoff(e) im Rohpapier, bezogen auf die Masse des Zellstoffs (atro).The amount (concentration) of the color pigment (e) and / or dye (s) in the ink receiving layer based on the mass of the dried ink receiving layer is preferably about 45 to 75%, more preferably 45 to 65% of the amount of the colored pigment (s) and / or dye (s) in the base paper, based on the mass of the pulp (atro).
Das Auftragsgewicht der Tintenaufnahmeschicht kann 2 bis 25 g/m2 betragen, insbesondere 3 bis 20 g/m2, vorzugsweise jedoch 4 bis 15 g/m2. Die Tintenaufnahmeschicht kann mit üblichen Auftragsverfahren wie Walzenauftrag-, Schlitzdüsenauftrag-, Gravur- oder Nipp-Verfahren, Curtain Coating, Luftbürsten- oder Rollrakeldosierung aufgetragen werden.The application weight of the ink receiving layer may be 2 to 25 g / m 2 , especially 3 to 20 g / m 2 , but preferably 4 to 15 g / m 2 . The ink-receiving layer can be applied by conventional application methods such as roller application, slot nozzle application, engraving or Nipp process, curtain coating, Luftbürsten- or Rollrakeldosierung.
Geeignete Imprägnierharze sind die üblicherweise auf diesem technischen Gebiet verwendeten Tränkharze, insbesondere Melamin-Formaldehyd-Harz, Harnstoff-Formaldehyd-Harz, Phenol-Formaldehyd-Harz, Polyacrylate, Acrylsäureester-Styrol-Copolymere und Polyvinylalkohol. Die Harzmenge beträgt 50 bis 300 %, vorzugsweise 95 bis 150 %, bezogen auf das Flächengewicht des Dekorrohpapiers.Suitable impregnating resins are the impregnating resins conventionally used in this technical field, in particular melamine-formaldehyde resin, urea-formaldehyde resin, phenol-formaldehyde resin, polyacrylates, acrylic ester-styrene copolymers and polyvinyl alcohol. The amount of resin is 50 to 300%, preferably 95 to 150%, based on the basis weight of the decorative base paper.
Es hat sich herausgestellt, dass durch die erfindungsgemäße Vorgehensweise nicht nur Farbunterschiede zwischen der Verpressung eines unbehandelten Dekorpapiers (ohne Tintenaufnahmeschicht) und der Verpressung eines beschichteten Dekorpapiers vermieden werden können, sondern auch die Füllstoff- und Pigmentmenge im Rohpapier reduziert werden kann. Die Deckkraft (Opazität) des daraus gefertigten, mit der Tintenaufnahmeschicht versehenen Dekorpapiers ist im verpressten Zustand die gleiche wie die des entsprechenden unbehandelten Dekorrohpapiers.It has been found that not only color differences between the compression of an untreated decor paper (without ink receptive layer) and the compression of a coated decor paper can be avoided by the procedure according to the invention, but also the amount of filler and pigment can be reduced in the base paper. The opacity of the decor paper made therefrom with the ink receiving layer is the same as that of the corresponding untreated decorative base paper in the pressed state.
Die Erfindung wird durch die folgenden Beispiele weiter erläutert.The invention is further illustrated by the following examples.
Es wurde eine Zellstoffsuspension angesetzt, indem ein Zellstoffgemisch aus 80 Gew.% Eukalyptus-Zellstoff und 20 Gew.% Kiefer-Sulfatzellstoff bei einer Stoffdichte von 5 % bis zu einem Mahlgrad von 33°SR unter Zugabe eines Farbpigment-/Farbstoffgemisches (Farbmix 1) gemahlen wurde. Anschließend erfolgte die Zugabe von 1,8 Gew.% Epichlorhydrinharz als Nassfestmittel. Diese Zellstoffsuspension wurde mit Aluminiumsulfat auf einen pH-Wert von 6,5 bis 7 eingestellt. Danach wurde der Zellstoffsuspension ein Gemisch aus 40 Gew.% Titandioxid und 5 Gew.% Talkum, 0,11 Gew.% eines Retentionshilfsmittels und 0,03 Gew.% eines Entschäumers zugefügt und ein eingefärbtes Dekorrohpapier mit einem Flächengewicht von etwa 80 g/m2 und einem Aschegehalt von etwa 32 Gew.% gefertigt (Referenz 1). Die Gewichtsangaben beziehen sich auf den Zellstoff. Im nächsten Schritt wurde eine Streichmasse für die Tintenaufnahmeschicht mit folgender Zusammensetzung angesetzt:
Zur Einfärbung der Streichfarbe wurde im ersten Ansatz derselbe Farbmix wie im Rohpapier eingesetzt. Hierzu wurde eine etwa 5%ige Farbpigment-/Farbstoffsuspension vorbereitet und in unterschiedlichen Dosierungen der Streichmasse zugegeben. Die unterschiedlich farbintensiven Streichmassen wurden jeweils mit einem Auftragsgewicht von 6 g/m2 auf das Dekorrohpapier aufgetragen (Rakelauftrag/0,2 Rakel) und getrocknet.To color the coating color, the same mix of colors was used in the first batch as in the base paper. For this purpose, an about 5% color pigment / dye suspension was prepared and added in different dosages of the coating. The different color intensive coating compounds were each applied to the decorative base paper with a coating weight of 6 g / m 2 (knife application / 0.2 doctor blade) and dried.
Das unbeschichtete eingefärbte Dekorrohpapier (Referenz 1) wurde mit Melamin-Formaldehydharz imprägniert. Das Flächengewicht des Papiers nach Imprägnierung betrug 160 g/m2. Das imprägnierte Papier wurde anschließend mit einem Träger als Laminat (Referenzplatte 1) verpresst. Ebenfalls imprägniert und verpresst zu Laminaten wurden die beschichteten, unterschiedlich eingefärbten Dekorpapiere. Das Verpressen bei allen Dekorpapieren erfolgte bei einer Temperatur von 140°C und einem Druck von 9 MPa.The uncoated colored decorative base paper (reference 1) was impregnated with melamine-formaldehyde resin. The basis weight of the paper after impregnation was 160 g / m 2 . The impregnated paper was then pressed with a carrier as a laminate (reference plate 1). The coated, differently colored decor papers were also impregnated and pressed into laminates. The pressing of all decor papers was carried out at a temperature of 140 ° C and a pressure of 9 MPa.
Der Farbraum der unterschiedlich eingefärbten Schichtstoffplatten (Laminaten) wurde mit Hilfe eines Colorimeters gemessen und mit dem Farbraum der Referenzplatte 1 verglichen. Wie in der Dekorpapierfertigung üblich wurde anschließend kalkulatorisch und empirisch die Farbrezeptur angepasst und die Streichversuche wiederholt. Der Vorgang wurde abgeschlossen, nachdem die Abweichung der Farbwerte zwischen der Referenzplatte und der Schichtstoffplatte aus beschichtetem Dekorpapier, gemessen als Farbabstand ΔE, kleiner ist als 0,50. Auf diese Weise wurde das optimierte Farbpigment-/Farbstoffgemisch zur Einfärbung der Streichmasse (Farbmix 1 Opt.I ) ermittelt.The color space of the differently colored laminated boards (laminates) was measured with the aid of a colorimeter and with the color space of the reference plate 1 compared. As is customary in decor paper production, the color formulation was subsequently adjusted and empirically calculated and the coating tests repeated. The process was completed after the deviation of the color values between the reference plate and the laminated board of coated decorative paper, measured as the color difference ΔE, is less than 0.50. In this way, the optimized color pigment / dye mixture for coloring the coating composition (color mixture 1 Opt.I) was determined.
Das Dekorrohpapier wurde dann mit der optimiert eingefärbten Tintenaufnahmeschicht mit zwei unterschiedlichen Auftragsgewichten (3 g/m2 und 9 g/m2) nochmals beschichtet (Dekorpapiere 1A und 1B), wobei die Konzentration des Farbgemisches in der Tintenaufnahmeschicht 59,2 % der Konzentration des Farbgemisches im Dekorrohpapier betrug. Die beschichteten Dekorpapiere wurden wie oben imprägniert und zu Schichtstöffplatten verpresst. Anschließend wurde der Farbraum der Platten gemessen und der Farbabstand ΔE ermittelt( Tabelle 2).The decorative base paper was then recoated with the optimally colored ink-receiving layer at two different application weights (3 g / m 2 and 9 g / m 2 ) (decorative papers 1A and 1B), the concentration of the colorant mixture in the ink-receiving layer being 59.2% of the concentration of the Color mixture in the decorative base paper was. The coated decorative papers were impregnated as above and pressed into Schichtstöffplatten. Subsequently, the color space of the plates was measured and the color difference ΔE was determined (Table 2).
Es wurde eine Zellstoffsuspension angesetzt, indem ein Zellstoffgemisch aus 80 Gew.% Eukalyptus-Zellstoff und 20 Gew.% Kiefer-Sulfatzellstoff bei einer Stoffdichte von 5 % bis zu einem Mahlgrad von 33°SR unter Zugabe eines Farbpigmentgemisches (Farbmix 2) gemahlen wurde. Anschließend erfolgte die Zugabe von 1,8 Gew.% Epichlorhydrinharz als Nassfestmittel. Diese Zellstoffsuspension wurde mit Aluminiumsulfat auf einen pH-Wert von 6,5 bis 7 eingestellt. Danach wurde der Zellstoffsuspension ein Gemisch aus 40 Gew.% Titandioxid und 5 Gew.% Talkum, 0,11 Gew.% eines Retentionshilfsmittels und 0,03 Gew.% eines Entschäumers zugefügt und daraus ein eingefärbtes Dekorrohpapier mit einem Flächengewicht von etwa 80 g/m2 und einem Aschegehalt von etwa 32 Gew.% gefertigt (Referenz 2). Die Gewichtsangaben beziehen sich auf den Zellstoff.A pulp suspension was prepared by milling a pulp mixture of 80% by weight of eucalyptus pulp and 20% by weight of pine sulfate pulp at a consistency of 5% to a freeness of 33 ° SR with the addition of a color pigment mixture (color mix 2). Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate. Thereafter, the pulp suspension was a mixture of 40 wt.% Titanium dioxide and 5 wt.% Talc, 0.11 wt.% Of a retention aid and 0.03 wt.% Of a defoamer added and made therefrom a colored decorative base paper with a basis weight of about 80 g / m 2 and an ash content of about 32 wt.% (Reference 2). The weights are based on the pulp.
Entsprechend dem gefärbten Dekorrohpapier wurde das zur Einfärbung der Tintenaufnahmeschicht benötigte Farbpigment-/Farbstoffgemisch ermittelt (Farbmix 2 Opt.I). Die Vorgehensweise bei der Ermittlung der erforderlichen Menge des Farbpigment-/Farbstoffgemisches in der Tintenaufnahmeschicht war wie in Beispiel 1.The color pigment / dye mixture required for coloring the ink receiving layer was determined in accordance with the colored decorative base paper (color mix 2 Opt.I). The procedure for determining the required amount of the color pigment / dye mixture in the ink receiving layer was as in Example 1.
Das Dekorrohpapier wurde dann mit der optimiert eingefärbten Tintenaufnahmeschicht mit einem Auftragsgewicht von 6 g/m2 nochmals beschichtet (Dekorpapier 2), wobei die Konzentration des Farbgemisches in der Tintenaufnahmeschicht 49,3 % der Konzentration des Farbgemisches im Dekorrohpapier betrug.The decorative base paper was then coated again with the optimally colored ink-receiving layer at a coating weight of 6 g / m 2 (decorative paper 2), the concentration of the color mixture in the ink-receiving layer being 49.3% of the concentration of the color mixture in the decorative base paper.
Das unbeschichtete Dekorrohpapier (Referenz 2) wurde wie oben angegeben imprägniert und zu Schichtstoffplatte (Referenzplatte 2) verpresst. Auf gleiche Weise wurde auch das beschichtete Dekorpapier 2 verarbeitet. Anschließend wurde der Farbraum der Platten gemessen und der Farbabstand ΔE ermittelt (Tabelle 2).The uncoated decorative paper base (reference 2) was impregnated as indicated above and pressed into a laminate plate (reference plate 2). In the same way, the coated decorative paper 2 was processed. Subsequently, the color space of the plates was measured and the color difference ΔE was determined (Table 2).
Eine Zellstoffsuspension aus 100 Gew.% Eukalyptus-Zellstoff wurde bei einer Stoffdichte von 5 % bis zu einem Mahlgrad von 33°SR unter Zugabe eines Farbpigmentgemisches (Farbmix 3) gemahlen. Anschließend erfolgte die Zugabe von 1,8 Gew.% Epichlorhydrinharz als Nassfestmittel. Diese Zellstoffsuspension wurde mit Aluminiumsulfat auf einen pH-Wert von 6,5 bis 7 eingestellt. Danach wurde der Zellstoffsuspension ein Gemisch aus 40 Gew.% Titandioxid und 5 Gew.% Talkum, 0,11 Gew.% eines Retentionshilfsmittels und 0,03 Gew. % eines Entschäumers zugefügt und daraus ein eingefärbtes Dekorrohpapier mit einem Flächengewicht von etwa 80 g/m2 und einem Aschegehalt von etwa 32 Gew.% gefertigt (Referenz 3). Die Gewichtsangaben beziehen sich auf den Zellstoff.A pulp suspension of 100 wt.% Eucalyptus pulp was at a consistency of 5% to a freeness of 33 ° SR with the addition of a color pigment mixture (Color mix 3) ground. Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate. Thereafter, the pulp suspension was admixed with a mixture of 40% by weight of titanium dioxide and 5% by weight of talc, 0.11% by weight of a retention aid and 0.03% by weight of an antifoam, and from this a colored decorative base paper having a basis weight of about 80 g / m 2 and an ash content of about 32 wt.% (Reference 3). The weights are based on the pulp.
Entsprechend dem gefärbten Dekorrohpapier wurde das zur Einfärbung der Tintenaufnahmeschicht benötigte Farbpigment-/Farbstoffgemisch ermittelt (Farbmix 3 Opt.I). Die Vorgehensweise bei der Ermittlung der erforderlichen Menge des Farbpigment-/Farbstoffgemisches in der Tintenaufnahmeschicht war wie in Beispiel 1.The color pigment / dye mixture required for coloring the ink receiving layer was determined in accordance with the colored decorative base paper (color mix 3 Opt.I). The procedure for determining the required amount of the color pigment / dye mixture in the ink receiving layer was as in Example 1.
Das Dekorrohpapier wurde dann mit der optimiert eingefärbten Tintenaufnahmeschicht mit einem Auftragsgewicht von 6 g/m2 nochmals beschichtet (Dekorpapier 3), wobei die Konzentration des Farbgemisches in der Tintenaufnahmeschicht 50,7 % der Konzentration des Farbgemisches im Dekorrohpapier betrug.The decorative base paper was then coated again with the optimally colored ink-receiving layer at a coating weight of 6 g / m 2 (decorative paper 3), the concentration of the color mixture in the ink-receiving layer being 50.7% of the concentration of the color mixture in the decorative base paper.
Das unbeschichtete Dekorpapier wurde wie oben angegeben imprägniert und zu Schichtstoffplatte (Referenzplatte 3) unter den gleichen Bedingungen wie in Beispiel 1 verpresst. Ebenfalls imprägniert und verpresst wurde das Dekorpapier 3. Anschließend wurde der Farbraum der Schichtstoffplatten gemessen und der Farbabstand ΔE ermittelt (Tabelle 2).The uncoated decorative paper was impregnated as indicated above and pressed into a laminate plate (Reference Plate 3) under the same conditions as in Example 1. The decorative paper 3 was also impregnated and pressed. Subsequently, the color space of the laminate panels was measured and the color difference ΔE determined (Table 2).
Eine Zellstoffsuspension aus 100 Gew.% Eukalyptus-Zellstoff wurde bei einer Stoffdichte von 5 % bis zu einem Mahlgrad von 33°SR unter Zugabe eines Farbpigment-/Farbstoffgemisches (Farbmix 4) gemahlen. Anschließend erfolgte die Zugabe von 1,8 Gew.% Epichlorhydrinharz als Nassfestmittel. Diese Zellstoffsuspension wurde mit Aluminiumsulfat auf einen pH-Wert von 6,5 bis 7 eingestellt. Danach wurde der Zellstoffsuspension ein Gemisch aus 40 Gew.% Titandioxid und 5 Gew.% Talkum, 0,11 Gew.% eines Retentionshilfsmittels und 0,03 Gew.% eines Entschäumers zugefügt und daraus ein eingefärbtes Dekorrohpapier mit einem Flächengewicht von etwa 80 g/m2 und einem Aschegehalt von etwa 32 Gew.% gefertigt (Referenz 2). Die Gewichtsangaben beziehen sich auf den Zellstoff.A pulp suspension of 100% by weight of eucalyptus pulp was milled at a stock consistency of 5% to a freeness of 33 ° SR with the addition of a color pigment / dye mixture (color mix 4). Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate. Thereafter, the pulp suspension was admixed with a mixture of 40% by weight of titanium dioxide and 5% by weight of talc, 0.11% by weight of a retention aid and 0.03% by weight of an antifoam, and from this a colored decorative base paper having a basis weight of about 80 g / m 2 and an ash content of about 32 wt.% (Reference 2). The weights are based on the pulp.
Entsprechend dem gefärbten Dekorrohpapier wurde das zur Einfärbung der Tintenaufnahmeschicht benötigte Farbpigment-/Farbstoffgemisch ermittelt (Farbmix 4 Opt.I). Die Vorgehensweise bei der Ermittlung der erforderlichen Menge des Gemisches in der Tintenaufnahmeschicht war wie in Beispiel 1.The color pigment / dye mixture required for coloring the ink receiving layer was determined in accordance with the colored decorative base paper (color mix 4 Opt.I). The procedure for determining the required amount of the mixture in the ink receiving layer was as in Example 1.
Das Dekorrohpapier wurde dann mit der optimiert eingefärbten Tintenaufnahmeschicht mit einem Auftragsgewicht von 18 g/m2 nochmals beschichtet (Dekorpapier 4), wobei die Konzentration des Farbgemisches in der Tintenaufnahmeschicht 62,6 % der Konzentration des Farbgemisches im Dekorrohpapier betrug.The decorative base paper was then coated again with the optimally colored ink-receiving layer at an application weight of 18 g / m 2 (decorative paper 4), the concentration of the color mixture in the ink-receiving layer being 62.6% of the concentration of the color mixture in the decorative base paper.
Das Referenzpapier 4 wurde wie im Beispiel 1 imprägniert und zu Referenzplatte 4 verpresst. Ebenfalls imprägniert und verpresst wurde das beschichtete Dekorpapier 4. Anschließend wurde der Farbraum der Platten gemessen und der Farbabstand ΔE ermittelt( Tabelle 2).The reference paper 4 was impregnated as in Example 1 and pressed to reference plate 4. The coated decorative paper 4 was likewise impregnated and pressed. The color space of the plates was then measured and the color difference ΔE was determined (Table 2).
Es wurde eine Zellstoffsuspension angesetzt, indem ein Zellstoffgemisch aus 80 Gew.% Eukalyptus-Zellstoff und 20 Gew.% Kiefer-Sulfatzellstoff bei einer Stoffdichte von 5 % bis zu einem Mahlgrad von 33°SR unter Zugabe eines Farbpigmentgemisches (Farbmix 1) gemahlen wurde. Anschließend erfolgte die Zugabe von 1,8 Gew.% Epichlorhydrinharz als Nassfestmittel. Diese Zellstoffsuspension wurde mit Aluminiumsulfat auf einen pH-Wert von 6,5 bis 7 eingestellt. Danach wurde der Zellstoffsuspension ein Gemisch aus 36 Gew.% Titandioxid und 5 Gew.% Talkum, 0,11 Gew.% eines Retentionshilfsmittels und 0,03 Gew.% eines Entschäumers zugefügt und daraus ein eingefärbtes Dekorrohpapier mit einem Flächengewicht von etwa 80 g/m2 und einem Aschegehalt von etwa 30 Gew.% gefertigt (Referenz 5). Die Gewichtsangaben beziehen sich auf den Zellstoff.A pulp suspension was prepared by milling a pulp mixture of 80% by weight of eucalyptus pulp and 20% by weight of pine sulphate pulp at a consistency of 5% to a freeness of 33 ° SR with the addition of a color pigment mixture (color mixture 1). Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate. Thereafter, a mixture of 36% by weight of titanium dioxide and 5% by weight of talc, 0.11% by weight of a retention aid and 0.03% by weight of an antifoam was added to the pulp suspension, and from this a colored decorative base paper having a basis weight of about 80 g / m 2 and an ash content of about 30 wt.% (reference 5). The weights are based on the pulp.
Das Dekorrohpapier wurde dann mit der gemäß Beispiel 1 mit dem Farbmix 1 Opt.I eingefärbten Tintenaufnahmeschicht beschichtet. Das Auftragsgewicht betrug 6 g/m2 (Dekorpapier 5).The decorative base paper was then coated with the ink-receiving layer dyed according to Example 1 with the color mix 1 Opt.I. The application weight was 6 g / m 2 (decorative paper 5).
Das Referenzpapier 5 wurde wie im Beispiel 1 imprägniert und zu Referenzplatte 5 verpresst. Ebenfalls imprägniert und verpresst wurde das beschichtete Dekorpapier 5. Anschließend wurde der Farbraum der Platten gemessen und der Farbabstand ΔE ermittelt( Tabelle 2).The reference paper 5 was impregnated as in Example 1 and pressed to reference plate 5. Also impregnated and the coated decorative paper 5 was pressed. Subsequently, the color space of the plates was measured and the color difference ΔE was determined (Table 2).
Eine Zellstoffsuspension aus 100 Gew.% Eukalyptus-Zellstoff wurde bei einer Stoffdichte von 5 % bis zu einem Mahlgrad von 33°SR unter Zugabe eines Farbpigmentgemisches (Farbmix 3) gemahlen. Anschließend erfolgte die Zugabe von 1,8 Gew.% Epichlorhydrinharz als Nassfestmittel. Diese Zellstoffsuspension wurde mit Aluminiumsulfat auf einen pH-Wert von 6,5 bis 7 eingestellt. Danach wurde der Zellstoffsuspension ein Gemisch aus 36 Gew.% Titandioxid und 5 Gew. % Talkum, 0,11 Gew.% eines Retentionshilfsmittels und 0,03 Gew.% eines Entschäumers zugefügt und daraus ein eingefärbtes Dekorrohpapier mit einem Flächengewicht von etwa 80 g/m2 und einem Aschegehalt von etwa 30 Gew.% gefertigt (Referenz 6). Die Gewichtsangaben beziehen sich auf den Zellstoff.A pulp suspension of 100% by weight of eucalyptus pulp was milled at a stock density of 5% to a freeness of 33 ° SR with the addition of a color pigment mixture (color mix 3). Subsequently, 1.8% by weight of epichlorohydrin resin was added as a wet strength agent. This pulp suspension was adjusted to a pH of 6.5 to 7 with aluminum sulfate. Thereafter, a mixture of 36% by weight of titanium dioxide and 5% by weight of talc, 0.11% by weight of a retention aid and 0.03% by weight of an antifoam was added to the pulp suspension, and from this a colored decorative base paper having a basis weight of about 80 g / m 2 and an ash content of about 30 wt.% (Reference 6). The weights are based on the pulp.
Das Dekorrohpapier wurde dann mit der gemäß Beispiel 3 mit dem Farbmix 3 Opt.I eingefärbten Tintenaufnahmeschicht beschichtet. Das Auftragsgewicht betrug 6 g/m2 (Dekorpapier 6).The decorative base paper was then coated with the ink-receiving layer dyed according to Example 3 with the 3 Opt.I color mix. The application weight was 6 g / m 2 (decorative paper 6).
Das Referenzpapier 6 wurde wie im Beispiel 1 imprägniert und zu Referenzplatte 6 verpresst. Ebenfalls imprägniert und verpresst wurde das beschichtete Dekorpapier 6. Anschließend wurde der Farbraum der Platten gemessen und der Farbabstand ΔE ermittelt( Tabelle 2).The reference paper 6 was impregnated as in Example 1 and pressed to reference plate 6. The coated decorative paper 6 was likewise impregnated and pressed. The color space of the plates was then measured and the color difference ΔE determined (Table 2).
Das Dekorrohpapier aus Beispiel 1 (Referenz 1) wurde mit der in Beispiel 1 beschriebenen Tintenaufnahmeschicht in einer Auftragsmenge von 3 g/m2 beschichtet, jedoch ohne Farbstoffe und/oder Farbpigmente (Dekorpapier V1). Das beschichtete Dekorpapier wurde wie in den anderen Beispielen imprägniert und zu einem Laminat verpresst. Anschließend wurde der Farbraum der Platte gemessen und mit dem Farbraum der Referenzplatte 1 verglichen. Ermittelt wurde der Farbabstand ΔE (Tabelle 2).The decorative base paper of Example 1 (Reference 1) was coated with the ink receiving layer described in Example 1 in an application amount of 3 g / m 2 , but without dyes and / or color pigments (decorative paper V1). The coated decorative paper was impregnated as in the other examples and pressed into a laminate. Subsequently, the color space of the plate was measured and compared with the color space of the reference plate 1. The color difference ΔE (Table 2) was determined.
Das Dekorrohpapier aus Beispiel 1 (Referenz 1) wurde mit einer Tintenaufnahmeschicht beschichtet, die ein Gemisch von Farbpigment-/Farbstoffen aufwies, wie es im Dekorpapier 1B eingesetzt wurde, jedoch in einer Konzentration von 37,7 % (Farbmix 1 Opt.II) der Menge des entsprechenden Gemisches im Rohpapier (Tabelle 1). Das Auftragsgewicht der Tintenaufnahmeschicht betrug 9 g/m2. Die Weiterverarbeitung des Dekorpapiers (Imprägnierung und Verpressung) erfolgte wie in den anderen Beispielen. Anschließend wurde der Farbraum der Platte gemessen und mit dem Farbraum der Referenzplatte 1 verglichen. Der ermittelte Farbabstand ΔE ist in Tabelle 2 angegeben.The decorative base paper of Example 1 (Reference 1) was coated with an ink-receiving layer containing a mixture of color pigment / dyes as used in Decor paper 1B, but at a concentration of 37.7% (Color Mix 1 Opt.II) Amount of the corresponding mixture in the base paper (Table 1). The coating weight of the ink receiving layer was 9 g / m 2 . The further processing of the decorative paper (impregnation and compression) was carried out as in the other examples. Subsequently, the color space of the plate was measured and compared with the color space of the reference plate 1. The determined color difference ΔE is given in Table 2.
Das Dekorrohpapier aus Beispiel 3 (Referenz 3) wurde mit einer Tintenaufnahmeschicht beschichtet, die ein Gemisch von Farbpigment-/Farbstoffen aufwies, wie es im Dekorpapier 3 eingesetzt wurde, jedoch in einer Konzentration von 80,7 % (Farbmix 3 Opt.II) der Menge des entsprechenden Gemisches im Rohpapier (Tabelle 1). Das Auftragsgewicht der Tintenaufnahmeschicht betrug 6 g/m2. Die Weiterverarbeitung des Dekorpapiers (Imprägnierung und Verpressung) erfolgte wie in den anderen Beispielen. Anschließend wurde der Farbraum der Platte gemessen und mit dem Farbraum der Referenzplatte 3 verglichen. Der ermittelte Farbabstand ΔE ist in Tabelle 2 angegeben.The decorative base paper of Example 3 (Reference 3) was coated with an ink-receiving layer containing a mixture of color pigment / dyes as used in Decor paper 3 but at a concentration of 80.7% (Color Mix 3 Opt.II) Amount of the corresponding Mixture in base paper (Table 1). The coating weight of the ink receiving layer was 6 g / m 2 . The further processing of the decorative paper (impregnation and compression) was carried out as in the other examples. Subsequently, the color space of the plate was measured and compared with the color space of the reference plate 3. The determined color difference ΔE is given in Table 2.
In Tabelle 1 sind die erfindungsgemäß eingefärbten Dekorpapiere sowie die Vergleichsbeispiele zusammengestellt.Table 1 shows the decorative papers dyed according to the invention and the comparative examples.
Die Farbmessungen an den hergestellten Schichtstoffplatten wurden mit Hilfe eines Colorimeters Modell: SF 600 der Fa. Datacolor durchgeführt. Ermittelt wurde der Farbabstand ΔE zwischen der Referenzplatte und der Schichtstoffplatte mit dem beschichteten Dekorpapier.The color measurements on the laminate plates produced were carried out using a Colorimeter Model: SF 600 from Datacolor. The color difference ΔE between the reference plate and the laminate plate with the coated decorative paper was determined.
Der Farbabstand wird gemäß DIN 6174 berechnet. Die Berechnung basiert auf dem CIE L*a*b*-Farbraumsystem. Es werden die L*a*b*-Werte von Probe und Referenz gemessen und der Farbabstand durch folgende Gleichung ermittelt: 
Je kleiner der Farbabstand ΔE ist, desto geringer ist der Unterschied zwischen einem für den Tiefdruck geeigneten Dekorpapier und einem für Kleinserien geeigneten Ink-Jetbedruckbaren Dekorpapier.The smaller the color difference ΔE, the smaller is the difference between a decor paper suitable for gravure printing and an inkjet printable decor paper suitable for small series.
Zur Bewertung der Opazität wurde der Farbraum der Laminate aus Beispiel 5 und 6 gemessen, mit dem Farbraum der Referenzplatten 1 und 3 verglichen und der Opazitätsunterschied ΔOpazität ermittelt. Bei gleicher Färbung beträgt der Unterschied zwischen den zu vergleichenden Laminaten ΔOpazität < 1%.To evaluate the opacity, the color space of the laminates of Examples 5 and 6 was measured, compared with the color space of the reference plates 1 and 3, and the opacity difference ΔOpacity was determined. For the same coloration is the difference between the laminates to be compared ΔOpacity <1%.
Die Messungen erfolgten unter folgenden Messbedingungen:
- Test: CIELab D65 10°, DIN 5033
- Lichtquelle: gepulstes Xenonlicht, UV Filter: 100
- Physikalische Filterung D65 (angenähertes Tageslicht) Spektralbereich 360 nm bis 700 nm
- Test: CIELab D65 10 °, DIN 5033
- Light source: pulsed xenon light, UV filter: 100
- Physical filtering D65 (approximate daylight) Spectral range 360 nm to 700 nm
Die Messergebnisse sind in Tabellen 2 und 3 zusammengestellt.
Eisenoxid (EO)Rot: Bayferrox 110 M, Fa. Lanxess
Farbpigment Schwarz: Ruß Carbofin LC 2900
Farbpigment Blau: C.I. Pigment Blue 15
Farbpigment Violett: C.I. Pigment Violett 23
Farbstoff Gelb: C.I. Pigment Yellow 97
C.I. = Color Index
Iron oxide (EO) Red: Bayferrox 110 M, Fa. Lanxess
Color pigment black: soot Carbofin LC 2900
Color pigment Blue: CI Pigment Blue 15
Color pigment violet: CI Pigment Violet 23
Yellow dye: CI Pigment Yellow 97
CI = Color Index
Wie aus Tabelle 2 ersichtlich weisen alle erfindungsgemäß hergestellten Dekorpapiere einen geringen Farbabstand auf. Die Einsparung von Titandioxid führt nicht zur Verschlechterung der Opazität (Tabelle 3).As can be seen from Table 2, all decor papers produced according to the invention have a small color difference. The saving of titanium dioxide does not lead to the deterioration of the opacity (Table 3).
Claims (5)
- Decorative paper for decorative coating materials comprising a base paper and an ink receiving layer, characterized in that the ink receiving layer is dyed in such a way that the decorative paper has after impregnation with impregnating resins and pressing as laminate the same coloring as the coloring of a laminate of a decorative paper that does not comprise an ink receiving layer, wherein the ink receiving layer comprising color pigment(s) and/or dye(s) in a quantity, based on the mass of the dried ink receiving layer, of 45 to 75 % of the quantity of color pigment(s) and/or dye(s) in the decorative base paper, based on the mass of the pulp (abs. dry).
- Decorative paper according to claim 1, characterized in that the base paper and the ink receiving layer are dyed with identical color pigment(s) and/or dye(s).
- Decorative paper according to at least one of claims 1 and 2, characterized in that the ink receiving layer comprises at least one inorganic color pigment from the group of metal oxides and/or at least one organic color pigment.
- Decorative paper according to at least one of claims 1 to 3, characterized in that the ink receiving layer comprises a pigment and a binder in a quantity ratio of 20:80 to 80:20.
- Decorative paper according to claim 4, characterized in that the pigment can be aluminum oxide, aluminum hydroxide, boehmite and/or silica
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| Application Number | Priority Date | Filing Date | Title |
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| PL08774172T PL2158358T3 (en) | 2007-06-25 | 2008-06-20 | Ink-jet-printable decorative paper |
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| Application Number | Priority Date | Filing Date | Title |
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| DE102007029540A DE102007029540A1 (en) | 2007-06-25 | 2007-06-25 | Inkjet printable decorative paper |
| PCT/EP2008/057869 WO2009000768A1 (en) | 2007-06-25 | 2008-06-20 | Ink-jet-printable decorative paper |
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| EP2158358B1 true EP2158358B1 (en) | 2014-09-24 |
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| US (1) | US8153211B2 (en) |
| EP (1) | EP2158358B1 (en) |
| JP (1) | JP5124018B2 (en) |
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| BR (1) | BRPI0813878A2 (en) |
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| CL (1) | CL2008001877A1 (en) |
| DE (1) | DE102007029540A1 (en) |
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| PL (1) | PL2158358T3 (en) |
| RU (1) | RU2420623C1 (en) |
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Cited By (1)
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|---|---|---|---|---|
| EP4029989A1 (en) | 2021-01-15 | 2022-07-20 | Swiss Krono TEC AG | Method and apparatus for producing a decorative paper and article comprising the same |
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| DE102007029540A1 (en) * | 2007-06-25 | 2009-01-08 | Technocell Dekor Gmbh & Co. Kg | Inkjet printable decorative paper |
| CN101925705B (en) * | 2007-12-17 | 2013-11-06 | 泰克诺赛尔装饰两合公司 | Compressible decorative paper impregnating agent which can be printed by inkjet method |
| DE102010035436A1 (en) * | 2010-08-26 | 2012-03-01 | Interprint Gmbh | Process for the production of decorative paper, and paper scaffolding for the production of decorative paper |
| JP2012205988A (en) * | 2011-03-29 | 2012-10-25 | Jx Nippon Oil & Energy Corp | Method and apparatus for producing modified plant biomass, and method for producing ethanol |
| CN102251432A (en) * | 2011-06-30 | 2011-11-23 | 德州泰鼎新材料科技有限公司 | Method for improving overall performance of decorative base paper |
| DE102011114404A1 (en) * | 2011-09-26 | 2013-03-28 | Dakor Melamin Imprägnierungen Gmbh | Cover layer with reduced tensile properties for use of abrasion-resistant laminate |
| JP5730823B2 (en) * | 2012-07-03 | 2015-06-10 | Ｋｊ特殊紙株式会社 | Decorative board base paper and decorative board |
| FR2997421B1 (en) * | 2012-10-30 | 2015-04-17 | Munksjo Arches | DECORATIVE PAPER FOR LAMINATES. |
| EP2770105A1 (en) * | 2013-02-20 | 2014-08-27 | Schoeller Technocell GmbH & Co. KG | Substrate paper for decorative coating materials |
| EP2816154A1 (en) * | 2013-06-19 | 2014-12-24 | surfactor Germany GmbH | Resin impregnated coated article with improved aesthetic properties |
| EP2979887B1 (en) * | 2013-10-22 | 2019-12-11 | Agfa Nv | Manufacturing of decorative surfaces by inkjet |
| EP2865531B1 (en) * | 2013-10-22 | 2018-08-29 | Agfa Nv | Inkjet printing methods for manufacturing of decorative surfaces |
| EP2865527B1 (en) * | 2013-10-22 | 2018-02-21 | Agfa Nv | Manufacturing of decorative surfaces by inkjet |
| EP2905376B1 (en) * | 2014-02-06 | 2018-09-19 | Agfa Nv | Manufacturing of Decorative Laminates by Inkjet |
| EP3212427B1 (en) * | 2014-10-31 | 2023-09-20 | Agfa Nv | Manufacturing methods of decorative laminates by inkjet |
| JP6405992B2 (en) * | 2014-12-24 | 2018-10-17 | 凸版印刷株式会社 | Titanium paper for ink jet printing and decorative base paper and decorative board using the same |
| JP2016153175A (en) * | 2015-02-20 | 2016-08-25 | 凸版印刷株式会社 | Inkjet printing titanium paper and decorative sheet |
| CN105297532B (en) * | 2015-09-16 | 2019-06-21 | 天津科技大学 | A kind of applied decorative body paper and preparation method thereof based on intaglio printing |
| CN105256645A (en) * | 2015-09-16 | 2016-01-20 | 天津科技大学 | Coated decoration raw paper based on ink jet printing and preparation method thereof |
| FR3062660B1 (en) | 2017-02-03 | 2019-06-07 | Ahlstrom-Munksjö Oyj | DECORATION PAPER FOR LAMINATES |
| EP3647374A4 (en) * | 2017-06-28 | 2021-04-14 | DIC Corporation | Pigment composition and printing ink |
| PL3848422T3 (en) | 2017-08-22 | 2023-04-24 | Agfa Nv | Manufacturing decorative panels |
| CN109468884A (en) * | 2018-12-24 | 2019-03-15 | 淄博欧木特种纸业有限公司 | Digital printing paper and preparation method thereof |
| JP2020164572A (en) * | 2019-03-28 | 2020-10-08 | 大日本塗料株式会社 | Aqueous primer ink, ink set and printing method |
| EP4198705A1 (en) * | 2021-12-16 | 2023-06-21 | Flooring Industries Limited, SARL | Method for manufacturing a décor sheet for decorative panel |
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| DE4322179C2 (en) * | 1993-07-03 | 1997-02-13 | Schoeller Felix Jun Papier | Recording material for ink jet printing processes |
| US6177188B1 (en) * | 1998-03-31 | 2001-01-23 | Canon Kabushiki Kaisha | Recording medium and ink jet recording process using it |
| DE19916546C2 (en) * | 1999-04-13 | 2001-05-03 | Technocell Dekor Gmbh & Co Kg | Inkjet recording layer |
| JP4034488B2 (en) * | 2000-01-27 | 2008-01-16 | 三菱製紙株式会社 | Inkjet recording sheet for calibration |
| JP2002316474A (en) * | 2001-04-23 | 2002-10-29 | Toppan Printing Co Ltd | Proof reading ink jet recording sheet and manufacturing method therefor |
| JP4034597B2 (en) * | 2002-03-06 | 2008-01-16 | 三菱製紙株式会社 | Inkjet recording paper for newspaper printing |
| JP2006239921A (en) * | 2005-03-01 | 2006-09-14 | Mitsubishi Paper Mills Ltd | Inkjet recording material |
| EP1857511B1 (en) * | 2006-05-19 | 2011-09-07 | Agfa Graphics N.V. | Stable non-aqueous inkjet inks |
| DE102007029540A1 (en) * | 2007-06-25 | 2009-01-08 | Technocell Dekor Gmbh & Co. Kg | Inkjet printable decorative paper |
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2007
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4029989A1 (en) | 2021-01-15 | 2022-07-20 | Swiss Krono TEC AG | Method and apparatus for producing a decorative paper and article comprising the same |
| WO2022152814A1 (en) | 2021-01-15 | 2022-07-21 | SWISS KRONO Tec AG | Method and device for producing a decorative paper, and object having such a decorative paper |
Also Published As
| Publication number | Publication date |
|---|---|
| CL2008001877A1 (en) | 2010-02-05 |
| BRPI0813878A2 (en) | 2015-01-13 |
| KR101206842B1 (en) | 2012-11-30 |
| DE102007029540A1 (en) | 2009-01-08 |
| JP2010531251A (en) | 2010-09-24 |
| AU2008267822A1 (en) | 2008-12-31 |
| JP5124018B2 (en) | 2013-01-23 |
| PL2158358T3 (en) | 2015-03-31 |
| CA2691810C (en) | 2012-08-28 |
| RU2420623C1 (en) | 2011-06-10 |
| CN101778977B (en) | 2013-01-02 |
| ES2525234T3 (en) | 2014-12-19 |
| UA97846C2 (en) | 2012-03-26 |
| AR066947A1 (en) | 2009-09-23 |
| CA2691810A1 (en) | 2008-12-31 |
| US8153211B2 (en) | 2012-04-10 |
| AU2008267822B2 (en) | 2012-03-08 |
| WO2009000768A1 (en) | 2008-12-31 |
| CN101778977A (en) | 2010-07-14 |
| KR20100028114A (en) | 2010-03-11 |
| US20100189931A1 (en) | 2010-07-29 |
| EP2158358A1 (en) | 2010-03-03 |
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