EP1943313A1 - Charges et pigments (ii) anorganiques modifies en surface - Google Patents
Charges et pigments (ii) anorganiques modifies en surfaceInfo
- Publication number
- EP1943313A1 EP1943313A1 EP06807626A EP06807626A EP1943313A1 EP 1943313 A1 EP1943313 A1 EP 1943313A1 EP 06807626 A EP06807626 A EP 06807626A EP 06807626 A EP06807626 A EP 06807626A EP 1943313 A1 EP1943313 A1 EP 1943313A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pigments
- fillers
- pigment
- filler
- particles
- 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.)
- Withdrawn
Links
- 239000011256 inorganic filler Substances 0.000 title claims abstract description 27
- 229910003475 inorganic filler Inorganic materials 0.000 title claims abstract description 26
- 239000001023 inorganic pigment Substances 0.000 title claims abstract description 24
- 239000000049 pigment Substances 0.000 claims abstract description 139
- 239000000945 filler Substances 0.000 claims abstract description 124
- 239000000123 paper Substances 0.000 claims abstract description 85
- 239000002002 slurry Substances 0.000 claims abstract description 72
- 238000000576 coating method Methods 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 60
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- 239000011230 binding agent Substances 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 45
- 239000006185 dispersion Substances 0.000 claims abstract description 37
- 229920000642 polymer Polymers 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 30
- 239000002270 dispersing agent Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 239000000853 adhesive Substances 0.000 claims abstract description 24
- 239000003973 paint Substances 0.000 claims abstract description 14
- 239000011111 cardboard Substances 0.000 claims abstract description 7
- 239000013543 active substance Substances 0.000 claims abstract description 5
- 239000000839 emulsion Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 62
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000007787 solid Substances 0.000 claims description 31
- 239000004815 dispersion polymer Substances 0.000 claims description 28
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- 239000010802 sludge Substances 0.000 claims description 21
- 238000003801 milling Methods 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 10
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 241000196324 Embryophyta Species 0.000 claims description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- -1 aluminum silicates Chemical class 0.000 claims description 7
- 229920000058 polyacrylate Polymers 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000002761 deinking Substances 0.000 claims description 5
- 239000000454 talc Substances 0.000 claims description 5
- 229910052623 talc Inorganic materials 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
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- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 150000004677 hydrates Chemical class 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002671 adjuvant Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000008346 aqueous phase Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 239000008199 coating composition Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 229910052615 phyllosilicate Inorganic materials 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
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- 244000043261 Hevea brasiliensis Species 0.000 claims 1
- 229920003052 natural elastomer Polymers 0.000 claims 1
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- 239000002689 soil Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
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- 238000010008 shearing Methods 0.000 abstract description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 21
- 235000010216 calcium carbonate Nutrition 0.000 description 21
- 238000009472 formulation Methods 0.000 description 19
- 238000005259 measurement Methods 0.000 description 15
- 239000003292 glue Substances 0.000 description 14
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- 238000012360 testing method Methods 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- 229920005596 polymer binder Polymers 0.000 description 6
- 239000002491 polymer binding agent Substances 0.000 description 6
- 229920005789 ACRONAL® acrylic binder Polymers 0.000 description 5
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- 239000000976 ink Substances 0.000 description 5
- 239000011087 paperboard Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 235000012222 talc Nutrition 0.000 description 4
- NJVOHKFLBKQLIZ-UHFFFAOYSA-N (2-ethenylphenyl) prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1C=C NJVOHKFLBKQLIZ-UHFFFAOYSA-N 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
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- 238000006116 polymerization reaction Methods 0.000 description 3
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- 238000004062 sedimentation Methods 0.000 description 3
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- 229920005736 STYRONAL® Polymers 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 239000000986 disperse dye Substances 0.000 description 2
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- 238000004043 dyeing Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
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- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
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- 238000003860 storage Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- JFGQHAHJWJBOPD-UHFFFAOYSA-N 3-hydroxy-n-phenylnaphthalene-2-carboxamide Chemical compound OC1=CC2=CC=CC=C2C=C1C(=O)NC1=CC=CC=C1 JFGQHAHJWJBOPD-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 description 1
- 239000004821 Contact adhesive Substances 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001944 Plastisol Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 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 1
- 229920003180 amino resin Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
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- 239000013065 commercial product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- NLCKLZIHJQEMCU-UHFFFAOYSA-N cyano prop-2-enoate Chemical class C=CC(=O)OC#N NLCKLZIHJQEMCU-UHFFFAOYSA-N 0.000 description 1
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/025—Calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3615—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C1/3623—Grinding
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3676—Treatment with macro-molecular organic compounds
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
- C09C1/407—Aluminium oxides or hydroxides
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
- C09C1/42—Clays
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
- C09C1/64—Aluminium
- C09C1/644—Aluminium treated with organic compounds, e.g. polymers
- C09C1/646—Aluminium treated with organic compounds, e.g. polymers concomitant with mechanical comminution, shaping or abrasion of the particles
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
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- 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
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
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- 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
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- 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
- D21H19/385—Oxides, hydroxides or carbonates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Definitions
- the invention relates to a process for the preparation of surface-modified inorganic fillers and pigments of defined particle size, the fillers and pigments thus obtained and their use.
- inorganic pigments or fillers are bound with binders in the form of polymer dispersions, for example in the production of emulsion paints, adhesives, coatings or paper.
- EP 0 515 928 B1 relates to surface-modified platelet-shaped pigments with improved stirring behavior and to their production process and use.
- the platelet-shaped pigments for example platelet-shaped metals, metal oxides, mica pigments and other platelet-shaped substrates are coated in a mixing vessel with stirring with a polyacrylate or polymethacrylate or their water-soluble salts and optionally a solvent or solvent mixture.
- the filler content in the pulp is usually between 5 and 35 wt .-% and consists of primary pigments or recirculated coating pigments, which may originate from residual coating colors or coated broke.
- grain size plays an important role as it greatly affects filler yield and physical properties of the paper, particularly porosity.
- the amount of filler remaining in the paper is between 20 and 80% by weight of the amount added to the fiber suspension. The yield depends on both the filler type and composition, the freeness, the fixation of the filler particles by resin and aluminum sulfate, the paper weight, the paper machine speed, the type of dehydration and the fineness of the screen.
- kaolin calcium carbonate
- artificial aluminum silicates and oxide hydrates titanium dioxide
- satin white talc
- calcium silicate
- EP 0 595 723 B1 describes a process for the preparation of mineral-based batch pigments, characterized in that a common milling of an aqueous medium is carried out in aqueous medium Kompaktierungsmineral, a layered mineral and / or a plastic pigment in the presence of at least one grinding aid, comprising at least one dispersing agent, performs.
- a common milling of an aqueous medium is carried out in aqueous medium Kompaktismesmineral, a layered mineral and / or a plastic pigment in the presence of at least one grinding aid, comprising at least one dispersing agent, performs.
- WO 98/01621 describes a process for the recycling of fillers and coating pigments of paper, paperboard and cardboard production from the residual water sludge of the Schreichereiab remplisser, deinking plants, in-house sewage treatment plants or separation devices and the use of such a resulting pigment slurry for the production of a coating for the paper industry or for mass use in papermaking.
- An essential element of the invention is a process for the recycling of fillers and coating pigments of paper, paperboard and cardboard production from the residual water sludge of the Schreichereiabciesser, deinking plants, in-house sewage treatment plants or separation devices, which is characterized in that the filler and Streichpigmenthaitigen residual water sludge Mixing and then the grinding to a pigment slurry with fresh pigment or fresh filler as a powder, freshpigment ambience and / or Frisch spallstoff ambience slurry feeds.
- DE 43 12 463 C1 relates to a CaCO B -Talkum coating pigment slurry comprising a CaCO 3 talcum pigment mixture, water and grinding assistant, characterized in that it consists of the following four cover-milled components: a. 24-64% by weight of CaCO 3 - A -
- the grinding aids and dispersants may be water-soluble polymers or copolymers, for example Na-Ca salts of a polyacrylic acid as grinding aid or K salt of a copolymer of acrylate and butyl acrylate as dispersant.
- the patent does not describe the addition of a polymer dispersion as a binder and, in particular, no milling conditions which lead to a polymer coating of the millbase.
- US 5,910,214 discloses a process for the preparation of calcium carbonate pigment having an average particle size of 0.3 ⁇ 0.1 ⁇ m, wherein a calcium carbonate slurry is wet-milled using 0.5-1.0 parts by weight of dispersant.
- the dispersant may contain, for example, sodium polyacrylate as a grinding aid and a sodium salt of a copolymer of acrylic acid and maleic acid.
- the patent does not describe the addition of a polymer dispersion as a binder and, in particular, no milling conditions which lead to a polymer coating of the millbase.
- EP-A-0 855 420 describes a surface modified calcium carbonate for synthetic paper which is prepared by wet milling calcium carbonate particles in an aqueous one Medium in the presence of 0.05 to 2.0 parts by weight of a dispersant and grinding balls and subsequent treatment of the thus ground product in an aqueous medium with a polyethylene ether sulfonate (Production Example 5). The particles are not cover-milled with a polymer dispersion and dispersant.
- DE-A-102 09 448 discloses aqueous slurries of finely divided fillers as additive to the paper stock, which are at least partially coated or impregnated with polymers, characterized in that they are obtainable by treating aqueous slurries of finely divided fillers with at least one binder for paper coating slivers ( Claims 1, 8).
- Example 5 describes above all as an aqueous slurry by stirring (Heiltof stirrer at 1000 rpm) of finely divided CaCO 3 in the presence of a styrene-acrylate dispersion (Acronal - based on styrene / acrylic acid) [process step (a )] will be produced.
- the CaCO 3 used was only in the presence of a dispersant is first ground and added to the polymer dispersion.
- DE-A-198 21 089 relates to a process for the preparation of aqueous slurries of finely divided fillers which are at least partially coated with polymers for the production of filler-containing papers, wherein an aqueous slurry of fillers in the absence of cationic hardeners for paper with 0.05 to 5 wt .-%, based on the fillers, of at least one polymer sizing agent in the form of an aqueous dispersion is mixed (claim 1).
- aqueous dispersions which are obtained by polymerization of (a) styrene, acrylonitrile and / or methacrylonitrile, (b) acrylic acid and / or methacrylic acid esters of C 1 -is alcohols and / or vinyl esters of saturated C 2-4 - Carboxylic acids and optionally (c) other monoethylenically unsaturated monomers in aqueous solution in the presence of cationic and / or amphoteric protective colloids are available (column 2).
- Example 2 an aqueous slurry of already ground marble is dispersed by means of low molecular weight polyacrylic acid. This dispersion was then treated with 0.5% of a polymer sizing agent added to the slurry in the form of a polymer dispersion 1.
- EP-A-0 445 953 claims a process for the preparation of a filler surface-treated with a cationic polymer Papermaking, wherein the cationic polymer according to the formula is added to a filler slurry (claim 4).
- WO 2004/026973 A1 describes a process for the milling of inorganic filler particles, for example calcium carbonate or kaolin, in an aqueous medium, characterized in that the aqueous medium contains a small amount (0.05-0.25% by weight) of dispersant for the Contains filler.
- a dispersant for example, a combination of a polyacrylate as a dispersant and a polymetaphosphate is called as a grinding aid.
- the international patent application does not describe the addition of a polymer dispersion as binder and, in particular, no milling conditions which lead to a polymer coating of the millbase.
- the object of the present invention is to improve the contact of inorganic fillers and pigments and binders (binders) in the form of polymer dispersions and thus a reduction of the necessary amount of binders or an improved binding of the fillers or pigments to each other and to the substrate, for the production of filler or pigment slurries, in particular in the paper industry and other fields of application, such as the paint industry or the adhesives industry.
- inorganic pigments of defined particle size the surface of which is coated with binders, hereinafter referred to as polymer dispersions, during the grinding at elevated temperature, in many areas technology, for example in the paper industry and the paint industry or the adhesives industry, can be used with advantage.
- a first embodiment of the present invention is a process for the preparation of surface-modified inorganic fillers or pigments of desired particle size, characterized in that filler or pigment slurries of inorganic fillers or pigments of given particle size under the action of compressive and shear forces using
- polymer dispersions which should usually have an adhesive effect, are suitable for providing inorganic fillers and pigments in a form which, when using binders with surfaces of. From the fillers and pigments of the same particle size distribution known in the art, have an increased binding capacity inorganic fillers and pigments during the milling of the fillers and pigments to the desired particle size in contact.
- the binders can come from recycled materials, such as residual water sludge or else be added directly.
- the polymer particles do not lead to sticking or agglomeration of the filler particles and pigment particles, but apparently form a fine film on the surface of the fillers or pigments, which have a much better adhesion to each other and to the substrate, for example fibers in the paper industry ,
- Particularly preferred filler or pigment for modification according to the present invention is calcium carbonate, in particular natural and / or precipitated calcium carbonate.
- fillers and pigments known in the art, for example kaolin, artificial and / or natural aluminum silicates and oxide hydrates, titanium dioxide, satin white, dolomite, mica, metal, in particular aluminum flakes, bentonite, rutile, magnesium hydroxide, gypsum, phyllosilicates, talc, calcium silicate and other stones and earths.
- fillers and pigments defined above in an amount of 10 to 90% by weight, in particular 30 to 70% by weight, based on the slurry, in particular water.
- the fillers or pigments for example as a constituent of coating color in papermaking
- usually a high proportion of the binder migrates into the paper surface. A large part of the binder strikes away in the base paper before it comes to filming. The top coat of film depleted of binders and it comes to the so-called plucking.
- the offset resistance prluck resistance
- the loss of binder must be compensated by an increased binder content in the coating color.
- Polymer dispersions according to the present invention include the resin solids per se and their dispersions (latices) of finely divided natural and or synthetic polymers, in particular in a particle size of 0.005 to 6 .mu.m, in particular from 0.05 to 6 microns. Usually these are in the form of aqueous, less common non-aqueous dispersants.
- dispersions of polymers such as natural rubber latex and synthetic rubber (synthetic latex), as well as synthetic resins (synthetic resin dispersions) and plastics (plastic dispersions) such as polymers, polycondensates and polyadditon compounds, in particular based on polyurethane, styrene / butadiene, styrene / Acrylic acid or esters, styrene / butadiene / acrylic acid or esters, and vinyl acetate / acrylic acid or esters and acrylonitrile-containing suspensions.
- polymers such as natural rubber latex and synthetic rubber (synthetic latex)
- synthetic resins synthetic resin dispersions
- plastics plastic dispersions
- plastic dispersions such as polymers, polycondensates and polyadditon compounds, in particular based on polyurethane, styrene / butadiene, styrene / Acrylic acid or esters, styrene / buta
- inorganic fillers or pigments Under the influence of compressive and shearing forces during grinding surface-modified inorganic fillers and pigments are obtained, which have an improved binding effect compared to the prior art.
- white fillers or pigments it is possible to produce a large variation in the whiteness and size distribution of the fillers or pigments, which variation can be controlled, in particular, by the nature and duration of the milling.
- the amount of polymer dispersions contacted with the inorganic fillers or pigments is of some importance. Thus, for the purposes of the present invention, it is particularly preferred to bring the inorganic fillers or pigments into contact with an amount of from 0.1 to 50, in particular from 5 to 15,% by weight of polymer dispersion (solids), based on the amount of pigment.
- the polymer dispersions are usually in aqueous or nonaqueous form with a solids content of 40 to 60 wt .-%, in particular 50 wt .-% before.
- the inorganic fillers or pigments are furthermore brought into contact with per se known dispersants or milling assistants, in particular polyacrylates.
- polyacrylates are described for example in the aforementioned EP 0 515 928 B1, to which reference is made in full extent.
- the fillers or pigments are brought into contact with the aforementioned dispersing agent in an amount of from 0.20 to 0.45, more preferably from 0.25 to 0.40% by weight, based on the solids.
- the fillers and coating pigments are often present in agglomerated form and with less whiteness, which restricts or even prevents direct reuse in the processing of raw materials, especially in the paper coating.
- a defined, concentrated pigment slurry or fuel slurry is also obtained by using residual water sludges, which can be used, for example, in the paper, paperboard and board production or paint and adhesives industry ,
- fillers and coating pigments both as a powder or in the form of a concentrated slurry containing from 50 to 80% by weight of solids.
- These fillers and pigments are commonly provided by manufacturers with the desired whiteness and grain size distribution.
- An essential element of the present invention is now in the use of inorganic fillers and pigments in a kind of "basic grain", preferably as a solid or as highly concentrated slurry, for example having a solids content of 70 wt .-% to 85 wt .-% or more ,
- a mean grain diameter 50% ⁇ 1 micron to 50% ⁇ 15 microns, in particular 50% ⁇ 3 microns to 50% ⁇ 8 microns and grinding in the presence of the polymer dispersion, especially in the aqueous phase to the desired particle size.
- the pigment and filler particles of the residual water sludge which are intended for use as a filler or pigment, act as grinding aids and dispersing aids for the destruction of the agglomerates in the milling process.
- the residual water sludge including the laden particles, acts as a dispersing aid and grinding aid for the fillers and pigments added in the milling process, so that the amounts of binders, dispersing aids and grinding aids customary per se can be reduced according to the invention.
- the residual water sludge having a solids concentration of 0.02 wt .-% to 60 wt .-%, in particular 1 wt .-% to 30 wt .-% for mixing and subsequent grinding with polymer dispersion and fresh pigment or fresh filler as a powder, adjust freshpigment inconvenience and / or Frisch colllstoff ambience slurry. If the concentration is too low, the recycling process becomes uneconomical.
- the ratio of fillers and / or pigments to fibers can vary over a wide range.
- residual water sludges having an optionally enriched concentration of fillers and / or pigments which range from 1% by weight to 80% by weight, in particular from 20% by weight to 60% by weight. -% based on the solids content.
- the fiber content on the one hand or the filler and / or pigment content on the other hand can vary, for example, from 2 to 98% by weight or from 98 to 2% by weight.
- fiber-free residual water sludge can also be used according to the invention in the paper industry.
- the wastewater from the production comprises 0.5 to 5 wt .-%, in particular 2.5 wt .-% loss of material at a specific fresh water requirement of 10 to 100 l / kg, in particular 20 l / kg.
- the concentration of the residual water sludge is preferably 0.02 to 5.0, in particular 1.5 wt .-%.
- Particularly preferred according to the invention is a (weight) ratio of fiber content to filler and / or pigment content of 20 to 80 to 80 to 20, in particular fibers to pigment in the (weight) ratio 40 to 60 of a wastewater from paper production.
- the inventive method is preferably characterized in that coating pigment slurry or a filler and / or coating pigment-containing residual water sludge with a Solid concentration of 0.02 to 80 wt .-%, in particular 20 to 70 wt .-% used for grinding.
- additives such as wetting agents, stabilizers, grinding aids and dispersing aids can be used during the mixing and / or the milling of the inorganic fillers and pigments.
- the pigment slurries obtainable with the aid of the present invention can be used particularly advantageously in the paper industry, in particular for producing a coating color for the paper coating or in the paper pulp. Particularly preferred is the use for the production of a coating pigment slurry for offset paper.
- the slurries according to the invention are also suitable for the production of a coating composition for lightweight, coated papers, in particular also at high application speed, and for the production of roll offset papers, in particular for the production of lightweight, coated roll offset papers, the coating of cardboard and special paper, such as labels, wallpaper, silicone base paper, carbonless paper, Packaging papers, as well as the admixture of gravure papers.
- the coating pigment slurries obtainable according to the invention in particular usable in sheetfed offset, in particular for the sheetfed single stroke, sheetfed double stroke: sheet-offset precoat and sheetfed offset top coat; - in web offset, especially for the LWC web offset single stroke, web offset double stroke: web offset precoat and web offset topcoat; in gravure printing, in particular for the LWC gravure single-stroke, gravure double stroke: gravure primer and gravure cover coat; - in cartonboard, in particular for double-sided cartonboard: carton precoat and carton topcoat, flexographic printing and for specialty papers, in particular for labels and flexible packaging.
- the fillers and pigments according to the invention can also be advantageously used in paper for digital printing processes.
- the process offers the possibility of using the pigment slurries prepared according to the invention without any loss of quality in the base papers, lines and, in particular, the final qualities produced therewith.
- the present invention can be used in particular for the production of adhesives or coatings of all kinds.
- adhesives are non-metallic substances which combine adherends through adhesion (surface adhesion) and internal strength (cohesion).
- Adhesive is a generic term and includes other common terms for types of adhesives chosen according to physical, chemical or processing considerations, such as size, size, dispersion, solvent, reaction, contact adhesives.
- the names of the adhesives often contain additives for the labeling of basic materials (for example starch paste, synthetic resin glue, skin glue),
- Processing conditions for example cold glues, heat-seal or hot melt adhesives, assembly glue
- intended use for example paper glue, wood glues, metal glue, wallpaper paste, rubber glue
- delivery form for example liquid glue, glue solution, glue powder, tablet glue, glue jelly, putty, adhesive tape , Adhesive film.
- Adhesives are mainly based on organic compounds, but also inorganic adhesives are used.
- DIN 16 920 subdivides types of adhesives into physically setting (glues, pastes, solvents, dispersion, plastisol and hot melt adhesives) and chemically setting (for example cyanoacrylate adhesives).
- the chemically setting, one- or multi-component reaction adhesives can be based on all polymerization reactions: two-component systems of epoxy resins and acid anhydrides, or polyamines react after polyaddition, cyanoacrylates or methacrylates according to polymerization and systems based on aminoplast or phenol based on polycondensation Mechanisms.
- the range of monomers or polymers which can be used as adhesive raw materials is widely variable and makes it possible to bond almost all materials. The problem is often the bonding of plastics.
- the fillers or pigments according to the invention are also suitable for the production of paints and varnishes.
- the fillers or pigments are particularly preferably used for the production of emulsion paints and disperse dyes.
- the latter refers to a group of sparingly soluble in water synthetic dyes (in most cases, azo dyes or anthraquinone derivatives, including naphthol AS dyes), which finely ground together with dispersants for dyeing and printing of acetate, polyester, polyamide , Polyacrylonitrile, PVC and polyurethane fibers are used.
- the dye moieties dissolved in the dyebath penetrate the fiber by diffusion, forming a solid solution there, thereby giving true colorations.
- a modern variant is the so-called transfer printing, in which disperse dyes of paper are thermally transferred to fabrics.
- the particle size distribution plays a special role in the use of fillers or pigments.
- fillers or pigments having a particle size distribution of 10 to 99 wt .-% of particles ⁇ 10 .mu.m, in particular 10 to 95 wt .-% of particles ⁇ 1 micron, each based on the Have equivalent diameter.
- fillers or pigments having a particle size distribution of a) 95 to 100% by weight of particles ⁇ 20 ⁇ m and / or b) 50 to 100% by weight of particles ⁇ 2 ⁇ m, in particular 50 to 95% by weight of particles ⁇ 2 ⁇ m and / or c) 27 to 99% by weight of particles ⁇ 1 ⁇ m, in particular 27 to 75% by weight of particles ⁇ 1 ⁇ m and / or d) 0.1 to 55 wt .-% of particles ⁇ 0.2 .mu.m, in particular 0.1 to 35 wt .-% of particles ⁇ 0.2 .mu.m, in each case based on the equivalent diameter.
- the classical formulation of an interior emulsion paint generally contains about 10% of a polymer dispersion based on styrene acrylate.
- a classic facade paint formulation usually has a proportion of 18 to 25% of a polymer dispersion.
- the proportion of the total dispersion or the resin content of the final formulation, with the same strength of the formulation as before, can be reduced or, with the same resin content in the formulations as before, the Strength increases significantly.
- a standard formulation is so equipped that 50% of the binder contained in the recipe are exchanged. Due to the necessity that a coated Calciumcarbonatslurry is taken as the basis for the experiments, the solid content of the Claciumcarbonats is then used in the standard formulation and modified in the comparative formulation so that the previously introduced dry into the dispersion fillers adequately by the same amount Slurry calculated on solid can be used.
- the resin content in the formulation was lowered by 20% by weight compared to the standard formulation.
- the remaining 80% by weight of the resins contained in the formulation were replaced by, in absolute terms, these remaining 80% by weight were used in half by adding normal standard dispersion and in the other half according to the invention coated carbonate slurry according to the new method. Again, the washability was measured in comparison to the standard again.
- the inks produced using the fillers or pigments of the present invention exhibited significantly improved resistance.
- an adhesive formulation contains 35% of a terpolymeric dispersion having a resin content of 50%.
- part of the binder has been replaced with a part based on the present invention, so that the total amount of resin in the formulation remained the same as before, as was the filler content in the formulation compared to the standard. It should be proved that the strength compared to the standard has improved significantly.
- the formulations thus prepared were applied by bonding to a predetermined standard carpet on a firm surface and comparing afterwards what force was necessary to delaminate the layers thus adhered together.
- the adhesives produced using the fillers and pigments of the invention had significantly higher delamination forces.
- coating colors are usually used for the surface coating, which contain about 10% by weight of a polymer dispersion (solid).
- the standard coating color was based on calcium carbonate with 10% by weight of polymer dispersion (solid).
- the same formulation was prepared with equal amounts of carbonate and binder, however, a part of the previous formulation was modified by both binder and calcium carbonate was adequately replaced by coated according to the invention Calciumcarbonatslurry, wherein the same polymer dispersion was used for the coating, which so far only was added as a component in the recipe.
- the pick resistance of the coating was compared, in both cases with the aforementioned formulation a base paper having about 14 to 15 g / m 2 was coated, on the one hand with standard, on the other hand with the alternative.
- the pick resistance provides information about which coating film is better connected to the raw paper.
- the pick resistance of the papers using the invention Fillers and pigments were significantly improved over standard fillers and pigments.
- a particularly preferred application of the present invention relates to the use of residual water sludges, especially in the paper industry.
- reject water usually only small amounts of solids by 1 - have 2% by weight.
- the rejects are mostly - as in this one Case study - collected without separation in a "waste collection container" at pos. B.
- the paper mill can take different routes, e.g.
- the rejects are e.g. flocculated by means of a centrifuge (item C) or sedimentation process (item D) and brought to a maximum solids content (> 55%) and "disposed of" at the landfill in this form High-quality starting materials such as pigments and binders are lost to the production process.
- the present invention is integrated into the production cycle of the paper mill.
- the rejects are flocculated with the addition of cationic products.
- Pigments and coagulated binder are separated from the water.
- Sedimentation equipment (item D) or decanter (item E) can be used for this purpose.
- the centrate of the centrifuge Pos. C can be used;
- the resulting clear water is used as a production water or goes into the sewage treatment plant, without burdening them.
- the positions C and D are usually parts of the paper mill, position E is part of the present invention.
- the concentrated reject comes from the factory-own sedimentation funnel in the grinding plant. This consists of the following elements:
- the slurry is ground with the addition of grinding aid with and without polymer dispersion at a temperature of the ground material of at least 50 0 C (preferably 60 to 90 0 C) to the desired fineness.
- grinding balls are used with an equivalent diameter of up to 5 mm, for example 2 mm.
- This calcium carbonate slurry is used in the • Store container L temporarily and then add the same slurry, after checking particle size, solids, viscosity and pH, with further polymer dispersion in the coating kitchen and apply the coating color to the coating
- the slurry in the mixer H and / or in the storage container I and / or in the vertical ball mill K is admixed with binder polymer dispersion prior to grinding or already contains the binder polymer dispersion in the buffer container F.
- the process according to the invention also provides for recycling of the binder, since the grinding of the pigment with the binder is of crucial importance for the quality of the carbonate pigment produced. It is irrelevant whether the binder is present in its original form as a finely divided polymer dispersion or in flocculated, ie coagulated state as a globule, because as coagulum, the binder has its potential effect. During grinding, the mechanical rubbing between the balls of the binder - whether as a single particle or agglomerate - rubbed on the pigment particles and filmed by the high temperature. The filler or pigment particles are therefore coated with filmed binder.
- This binder content is thus already firmly anchored and can no longer throw away in the absorbent substrate (raw paper or cardboard).
- the breaking away means loss of binder or depletion of the line on the binder, and thus, for example, plucking resistance and printing gloss become lower.
- the knocking off can also take place irregularly, if there are different absorbent zones in the raw paper. This then leads to a spotty printed image (Mottle).
- a filler or pigment is applied to the paper / board, which is already coated with binder, there is no migration of this binder.
- the "yield" of the binder is higher, denser strokes, higher pick resistance and better print gloss are achieved with less binder usage, and if the coating pigment is distributed homogeneously, the binder is evenly distributed, resulting in uniform ink pickup and counteracting the mottle and experiences with different binders both in the form of stabilized polymer dispersion and in the form of destabilized binders, that is, binder agglomerates.
- Silos of any size serve for receiving and storing dry fillers and pigments of a uniform or possibly different basic grain size, for example calcium carbonate.
- a discharge of the filler and / or pigment powder with subsequent transport is ensured, optionally to day silo container (s), optionally with cleaning devices.
- Dosing devices for the powder optionally controlled by programmable logic controllers (PLC) with the electronically integrated recipes that determine gravimetrically and / or volumetrically required for mixing with water, fresh water or water circulation of the paper mill amounts of ingredients to be mixed.
- PLC programmable logic controllers
- a residual water sludge having a solids content of in particular 0.02 to 50 wt .-%, optionally with the addition of water at a higher concentration of the residual water sludge can be partially or completely used instead of the fresh water or the circulating water.
- containers for storing the residual water sludge, dosing devices for the residual water sludge, which determine the amount to be used gravimetrically or volumetrically are required for receiving the mixture of fresh pigment or fresh filler as a powder, fresh pigment-containing and / or Frisch colllstoff ambience slurry and residual water sludge / water, optionally Mahlosstoff and dispersants or other auxiliaries.
- dispersing devices dissolvers
- other agitators are required for dispersion and stability adjustment.
- the production of surface-modified fillers and pigments can be carried out continuously in customary vertical stirred ball mills, for example with a content of 700 to 5000 l or greater.
- Used are grinding balls, in particular with a diameter of 1 to 4 mm.
- Grinding balls in Purpose of the invention are grinding media with basically any, but preferably substantially spherical shape, in particular (approximately) spherical grinding media.
- sieves For the treatment of the residual water sludge usually sieves, preferably curved sieves for the separation of impurities (ball break, release agents, rust, etc.) are used. Laser measuring instruments serve to determine and control the grinding fineness during the grinding process and the computer-aided control of the agitator ball mill system. If necessary, further metering injection devices are required for replenishing dispersants and grinding aids on the vertical stirred ball mill. After the discharge of the pigment slurry, sieves may be required for the repeated separation of pollutants with a size of more than 20 ⁇ m.
- the fresh pigment and / or filler material used in particular calcium carbonate powder in dry form, has a whiteness according to DIN 53163 of more than 90%, in particular a whiteness of more than 95% in a fineness of dg 7 ⁇ 25 ⁇ m, a fineness not greater dg 7 ⁇ 100 microns, a purity of the carbonate> 98%, a proportion of SiO 2 ⁇ 1.0, in particular ⁇ 0.2%.
- Alternating portions of, for example, carbonate mixed with polymer dispersion are ground to a slurry having a solids content that can be adjusted, for example, to a usable coating color.
- the solids content is also higher adjustable if the pigment slurry is to be stored longer. The fineness of the slurry becomes particular determined by the residence time and / or the energy consumption during production in the vertical stirred ball mill.
- the whiteness of the pigment slurry results inter alia from the mixing ratio of fresh pigment to water or residual water sludge and in particular the type of fresh pigment used.
- Capacity of the plant for carrying out the process according to the invention 24 t / day with CaCO 3 (60-fineness *)
- Aim Milling of 20 t fresh pigment with 1 t reject at a solids content of 75% by weight.
- the reject and dispersant were introduced and entered from the silo G dry CaCO 3 (30-quality), up to 75% by weight of solid can be achieved.
- the resulting suspension was pumped into the reservoir I and there 1.8 wt .-% of a commercial polyacrylate, based on pigment added.
- the polyacrylate acts as a grinding aid and / or as a dispersant.
- the 2-stage vertical ball mills K were now fed continuously.
- the CaCO 3 30-quality was ground with substantially spherical SAZ grinding balls of equivalent diameter of 1.6 to 2.5 mm to CaCO 3 60-er quality, the millbase having a temperature above 50 0 C.
- 85 kW had to be used per t.
- the 60% grade slurry thus prepared was stored in the intermediate container L until particle size, viscosity, solids content and pH were detected and then pumped into the precoat pigment reservoir M of the coating kitchen.
- this coated precoating pigment with about 16 wt .-% (commercial product) was a commercially available polymer dispersion (Acronal ®) is mixed, so that to obtain a precoating color.
- the precoating color set in the operation test of 60 wt .-% Standardcarbonat 60- fineness grade plus 40 wt .-% AlphaCarb ® 60 fineness together with the proportion of 40 wt .-% of 15 parts by weight % Reject and 25 Wt .-% CaCO 3 30-fineness was, so that the proportion of the reject on the precoat paint was about 7 wt .-% reject.
- a coating speed of 820 m / min. 10 - 11 g / m 2 / side were applied to the film press in the precoat.
- the running behavior of the coating color on the film press was perfect and the top coat was applied streak-free.
- Examples of the grinding of CaCO ⁇ with coating color To produce a calcium carbonate pigment slurry with a fine fraction of more than 90 wt .-% ⁇ 2 microns was suspended in a vertical ball mill using Calcicell ® 30, an aqueous anionic copolymer dispersion on the basis of N-butyl acrylate, acrylonitrile, and Styrol, free of plasticizers and solvents (Acronal®S360 D) used and conventional grinding aids in an amount of 0.25 wt .-% (active substance) based on the fillers and pigments.
- This polymer dispersion had a solids content of about 50% by weight and a pH of about 8.
- the amount of calcium carbonate Calcicell ® 30 in the slurry was 75% by weight.
- SAZ balls were used with a diameter of 1.6 to 2.5 mm.
- the net capacity of the mill was 3 I.
- the working power 1.3 kW at a speed of 400 to 1500 U / min.
- the temperature of the ground material during grinding was more than about 55 0 C.
- the fineness of the materials used was determined by the laser diffraction method with device Cilas:
- the samples for measuring the grain distribution were taken after 20, 40, 60, 80, 100 and 120 minutes, respectively. During the grinding trial, the mill was cooled with water.
- Viscosity measurement (sample after 120 mini: Temperature: 20 ° C Viscometer: Brookfield HBTD
- the ash content of the DIP was 0.8%.
- the filler used was a commercially available, natural calcium carbonate with a 60-fineness (60% of the particles ⁇ 2 ⁇ m).
- the polymer binder was a commercial styrene acrylate.
- the grinding was carried out between calcium carbonate and polymer binder in a vertical ball mill with grinding balls of zirconium oxide with a diameter of about 2 mm. The table below illustrates the differences between the conventional method and the method according to the invention.
- Dry tear length in m dimension at which length (for example 2691 m) a strip of paper would tear by its own weight (the longer the firmer)
- the paper with the filler which was ground according to the invention with the polymer binder, compared to the paper with not ground with polymer binder filler a significant increase in the strength properties, while reducing the porosity.
- the fillers ground with binders supported the fiber bond on the paper so finished.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paper (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
L'invention concerne un procédé de fabrication de charges et pigments anorganiques modifiés en surface, de granulométrie souhaitée, caractérisé en ce que des suspensions de charges ou de pigments de granulométrie donnée sont broyées sous l'effet de forces de compression et de cisaillement, à l'aide de dispersions polymères, d'auxiliaires de broyage connus et/ou d'agents de dispersion, dans une quantité de 0,1 à 40 % en poids (substance active) par rapport aux charges et pigments, et de billes de broyage présentant un diamètre équivalent de 5 mm max., dans un broyeur vertical à une température d'au moins 50 °C, de manière à atteindre une granulométrie souhaitée des charges ou pigments, et en ce que les liants des dispersions polymères sont appliqués sur les charges ou pigments de manière à pourvoir ceux-ci d'un revêtement polymère. L'invention concerne également les charges ou pigments ainsi obtenus ainsi que leur utilisation pour la fabrication de peintures de dispersion, d'adhésifs, de revêtements ou de pâtes à enduire destinés à l'industrie du papier, notamment de revêtements ou de pâtes à enduire destinés à différentes branches de l'industrie du papier, telles que l'offset à feuilles, l'offset à bobines, l'impression en creux, le carton et les papiers spéciaux.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06807626A EP1943313A1 (fr) | 2005-11-04 | 2006-10-27 | Charges et pigments (ii) anorganiques modifies en surface |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP2005055771 | 2005-11-04 | ||
EP06807626A EP1943313A1 (fr) | 2005-11-04 | 2006-10-27 | Charges et pigments (ii) anorganiques modifies en surface |
PCT/EP2006/067886 WO2007051766A1 (fr) | 2005-11-04 | 2006-10-27 | Charges et pigments (ii) anorganiques modifies en surface |
Publications (1)
Publication Number | Publication Date |
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EP1943313A1 true EP1943313A1 (fr) | 2008-07-16 |
Family
ID=36449838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06807626A Withdrawn EP1943313A1 (fr) | 2005-11-04 | 2006-10-27 | Charges et pigments (ii) anorganiques modifies en surface |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080319115A1 (fr) |
EP (1) | EP1943313A1 (fr) |
JP (1) | JP2009515001A (fr) |
KR (1) | KR20080073703A (fr) |
CN (1) | CN101300311A (fr) |
BR (1) | BRPI0618121A2 (fr) |
CA (1) | CA2627800A1 (fr) |
NO (1) | NO20082455L (fr) |
WO (1) | WO2007051766A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2896171B1 (fr) * | 2006-01-19 | 2010-12-17 | Omya Development Ag | Procede de fabrication de particules a base de carbonate de calcium naturel et de sels d'acide ethylene acrylique, suspensions et pigments secs obtenus, leurs utilisations. |
FI122694B (fi) | 2008-12-18 | 2012-05-31 | Kemira Oyj | Menetelmä vesipitoisen pigmenttilietteen reologisten ominaisuuksien parantamiseksi ja dispergointiaine |
SI2447328T1 (sl) * | 2010-10-29 | 2015-03-31 | Omya International Ag | Postopek za izboljšanje rokovanja s kalcijev karbonat vsebujočimi snovmi |
EP2652048B1 (fr) * | 2010-12-13 | 2017-04-19 | Sun Chemical Corporation | Procédés de solubilisation de milieux de broyage dans des dispersions de particules de pigments |
EP2718497A1 (fr) * | 2011-06-10 | 2014-04-16 | Basf Se | Composition pulvérulente et utilisation de ladite composition pour la production de papier |
US8753481B2 (en) | 2011-06-10 | 2014-06-17 | Basf Se | Powder composition and use thereof for paper production |
EP2756129A4 (fr) * | 2011-09-15 | 2015-01-28 | Imerys Pigments Inc | Compositions comprenant du kaolin traité par un polymère à base de styrène et procédés apparentés |
CN102585567A (zh) * | 2012-01-05 | 2012-07-18 | 四川大学 | 一种超细无机粉体分散液的制备方法 |
JP5809580B2 (ja) * | 2012-02-10 | 2015-11-11 | 三菱製紙株式会社 | 印刷用塗工紙 |
CN102675919B (zh) * | 2012-05-07 | 2013-12-18 | 长沙理工大学 | 一种硫酸钙晶须造纸涂布颜料的制备方法 |
EP2999818A4 (fr) | 2013-05-22 | 2017-01-11 | Dow Global Technologies LLC | Composition de papier et procédé permettant de préparer cette dernière |
JP6149680B2 (ja) * | 2013-10-11 | 2017-06-21 | 王子ホールディングス株式会社 | 塗工白板紙の製造方法 |
CN105839455A (zh) * | 2016-04-08 | 2016-08-10 | 陕西科技大学 | 一种彩色喷墨打印纸用颜料的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4031060A (en) * | 1976-09-17 | 1977-06-21 | E. I. Du Pont De Nemours And Company | Process of pigmenting polyamides |
EP0445953B1 (fr) * | 1990-03-08 | 1995-08-23 | Minerals Technologies Inc. | Matériau de remplissage modifié par un polymère cationique, son procédé de préparation et son utilisation pour la fabrication |
US5204401A (en) * | 1990-07-13 | 1993-04-20 | Basf Corporation | Metallic water borne base coat composition based on acrylic latex resins using acrylic resins derived from vinyl monomers having nonionic and urethane functionality for aluminum storage and a treated hextorie clay for rheology control - water base 9 |
DE4312463C1 (de) * | 1993-04-16 | 1994-07-28 | Pluss Stauffer Ag | CaCO¶3¶ -Talkum-Streichpigmentslurry, Verfahren zu seiner Herstellung und seine Verwendung |
KR100204117B1 (ko) * | 1996-09-11 | 1999-06-15 | 유규재 | 탄산칼슘의 제조법 |
EP0855420B1 (fr) * | 1997-01-23 | 2004-03-31 | Yupo Corporation | Papier synthétique et son utilisation comme papier pour impression par jet d'encre |
DE19821089A1 (de) * | 1998-05-12 | 1999-11-18 | Basf Ag | Verfahren zur Herstellung von wäßrigen Anschlämmungen von feinteiligen Füllstoffen und ihre Verwendung zur Herstellung von füllstoffhaltigen Papieren |
DE10209448A1 (de) * | 2002-03-05 | 2003-09-18 | Basf Ag | Wäßrige Anschlämmungen von feinteiligen Füllstoffen, Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung füllstoffhaltiger Papiere |
-
2006
- 2006-10-27 EP EP06807626A patent/EP1943313A1/fr not_active Withdrawn
- 2006-10-27 WO PCT/EP2006/067886 patent/WO2007051766A1/fr active Application Filing
- 2006-10-27 JP JP2008538344A patent/JP2009515001A/ja active Pending
- 2006-10-27 BR BRPI0618121A patent/BRPI0618121A2/pt not_active IP Right Cessation
- 2006-10-27 CN CNA2006800411318A patent/CN101300311A/zh active Pending
- 2006-10-27 KR KR1020087010894A patent/KR20080073703A/ko not_active Application Discontinuation
- 2006-10-27 US US12/091,530 patent/US20080319115A1/en not_active Abandoned
- 2006-10-27 CA CA002627800A patent/CA2627800A1/fr not_active Abandoned
-
2008
- 2008-05-30 NO NO20082455A patent/NO20082455L/no not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2007051766A1 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0618121A2 (pt) | 2016-11-16 |
US20080319115A1 (en) | 2008-12-25 |
CN101300311A (zh) | 2008-11-05 |
CA2627800A1 (fr) | 2007-05-10 |
JP2009515001A (ja) | 2009-04-09 |
WO2007051766A1 (fr) | 2007-05-10 |
NO20082455L (no) | 2008-07-22 |
KR20080073703A (ko) | 2008-08-11 |
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