JP6296984B2 - 沈降炭酸カルシウム粒子及びその使用 - Google Patents
沈降炭酸カルシウム粒子及びその使用 Download PDFInfo
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- JP6296984B2 JP6296984B2 JP2014533908A JP2014533908A JP6296984B2 JP 6296984 B2 JP6296984 B2 JP 6296984B2 JP 2014533908 A JP2014533908 A JP 2014533908A JP 2014533908 A JP2014533908 A JP 2014533908A JP 6296984 B2 JP6296984 B2 JP 6296984B2
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- calcium carbonate
- nanochain
- aggregates
- nanofibers
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims description 115
- 239000002245 particle Substances 0.000 title claims description 66
- 229940088417 precipitated calcium carbonate Drugs 0.000 title claims description 66
- 239000002121 nanofiber Substances 0.000 claims description 65
- 239000003973 paint Substances 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 28
- 239000011164 primary particle Substances 0.000 claims description 28
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 24
- 238000002425 crystallisation Methods 0.000 claims description 20
- 230000008025 crystallization Effects 0.000 claims description 20
- 239000003607 modifier Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 17
- 229920002125 Sokalan® Polymers 0.000 claims description 11
- 239000004584 polyacrylic acid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004606 Fillers/Extenders Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000006223 plastic coating Substances 0.000 claims description 4
- 239000000123 paper Substances 0.000 description 32
- 238000005259 measurement Methods 0.000 description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 8
- 235000011941 Tilia x europaea Nutrition 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 239000004571 lime Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 235000013336 milk Nutrition 0.000 description 8
- 239000008267 milk Substances 0.000 description 8
- 210000004080 milk Anatomy 0.000 description 8
- 239000003605 opacifier Substances 0.000 description 8
- 238000010191 image analysis Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000000635 electron micrograph Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000013538 functional additive Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 235000019557 luminance Nutrition 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Natural products OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- 241000282465 Canis Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-isoascorbic acid Chemical compound OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 description 1
- 229920001944 Plastisol Polymers 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- -1 and In most cases Chemical compound 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 235000010350 erythorbic acid Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229940026239 isoascorbic acid Drugs 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004999 plastisol Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 239000000080 wetting agent 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
- C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
-
- 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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
- C09D5/028—Pigments; Filters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/42—Gloss-reducing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H19/385—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
- 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
- D21H21/50—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 form
- D21H21/52—Additives of definite length or shape
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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
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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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
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/16—Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/45—Aggregated particles or particles with an intergrown morphology
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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
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
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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
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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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
- C01P2006/12—Surface area
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- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Geology (AREA)
- Nanotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
- Paints Or Removers (AREA)
Description
平均一次粒子径(dp)
dpは、BS4359−2由来の方法に従って測定した透過率によって決定した。この方法の原理は、「Blaine」又は「Lea&Nurse法」に類似の、ペレットの透気度の測定である。dpの計算は、Carman&Malherbe式から導かれる。
ここで、
である。
q=PCCペレットを通過した空気の体積流量(cm3/g)
ε=空隙率
W=PCCの重さ
L=ペレットの厚さ
D=PCCの密度(g/cm3)
A=ペレット断面積(cm2)
ds=Carman&Malherbeに基づいた平均粒径(μm)
dp=Solvayに基づいた平均粒径(μm)
ナノファイバー又はナノチェーン状凝集体の平均直径及び平均長さは、走査型電子顕微鏡(SEM)観察によって見積もった。試料は金属化粉末から作製し、Hitachi S−4800 SEMで観察した。試料は直接黒鉛テープ上に置き、次いで10−1Paの減圧下、ビーム強度6mAで、白金で一分間金属化した。
D50は、仏国標準ISO13317−3、「液体中の可変高さ重力による粉末の粒径沈降分析。X線吸収測定法」に基づいて測定した。一般的手順及び装置(Sedigraph)はこの中に記載されている。作製法などの、測定結果に影響を与える試料の準備工程は以下に記載されている。
次の2つの処方が用意された。
試験する塗料試料をコントラスト試験用カード(Leneta社、Form09)に塗布するために、送り速度7.5mm/sで自動塗布装置(Erichsen社、Typ 509MC)を用い、塗料試験カード(層200μm)を作製した。その後、測定の前にフィルムを乾燥させた。
摩耗性はISO11998に基づいて測定した。湿潤摩耗性は、規定サイクル(200サイクル)研磨用布で磨くことによる層厚さの損失(μm)として測定した。
5重量%のCa(OH)2濃度で初期温度14.2℃の石灰乳に、2重量%(製造した最終CaCO3に対するパーセンテージ)の部分的に中和されたポリアクリル酸(分子量2500g/mol、70%の酸基がナトリウムイオンで中和、pH5〜6)を混ぜた。炭酸塩化は、流速12.5m3/hの40%CO2フロー(空気で希釈)下で行われた。炭酸塩化の最終温度は15.5℃であった。得られた沈降炭酸カルシウムは平面フィルターでろ過し、オーブンで95℃で36時間乾燥した後、Alpine 160 Z中で10000rpmで粉砕した。
実施例1で作製したPCCを処方1で試験し、標準グレードのPCC、すなわちSocal(登録商標)P3と比較した。
実施例1で作製したPCCを、それぞれPCCを6重量%、10重量%、及び14重量%含有する処方2で試験し、標準グレードのPCC、すなわちSocal(登録商標)P3と比較した。
14.6重量%のCa(OH)2濃度で初期温度12.7℃の石灰乳に、0.5重量%(製造した最終CaCO3に対するパーセンテージ)の部分的に中和されたポリアクリル酸(分子量2500g/mol)を混ぜた。炭酸塩化は、流速12.5m3/hの40%CO2フロー(空気で希釈)下で行われた。炭酸塩化の最終温度は40.1℃であった。得られた沈降炭酸カルシウムは平面フィルターでろ過し、オーブン中で36時間、95℃で乾燥した。
実施例6で作製したPCCを処方1で試験し、標準グレードのPCC、すなわちSocal(登録商標)P3と比較した。
実施例6で作製したPCCを、それぞれPCCを6重量%、10重量%、及び14重量%含有する処方2で更に試験し、標準グレードのPCC、すなわちSocal(登録商標)P3と比較した。
Claims (12)
- 少なくとも2つの互いに連結した一次粒子によって構成される、少なくとも部分的にナノファイバー又はナノチェーン状凝集体の形態である、沈降炭酸カルシウム粒子の、不透明化剤としての使用であって、
前記ナノファイバー又はナノチェーン状凝集体が、10〜100nmの平均直径を有し、前記ナノファイバー又はナノチェーン状凝集体が、20〜2000nmの平均長さを有している、使用。 - 塗料、紙用増量剤、紙用コーティング及びプラスチック用コーティングでの、請求項1に記載の使用。
- 水性塗料での、請求項1又は2に記載の使用。
- 艶消し水性塗料での、請求項3に記載の使用。
- 塗料、紙、紙用コーティング、又はプラスチック用コーティングの不透明性を向上させるための、請求項1〜4のいずれか1項に記載の使用。
- 前記沈降炭酸カルシウム粒子が、結晶化調整剤を含有する、請求項1〜5のいずれか1項に記載の使用。
- 前記結晶化調整剤が、ポリアクリル酸、その塩、及びこれらの混合物から選択される、請求項6に記載の使用。
- 前記沈降炭酸カルシウム粒子が、炭酸カルシウム重量の0.1〜10重量%の、結晶化調整剤を含有する、請求項6又は7に記載の使用。
- 前記沈降炭酸カルシウム粒子が、炭酸カルシウム重量の0.25〜1重量%の、結晶化調整剤を含有する、請求項8に記載の使用。
- 前記結晶化調整剤が500〜15000g/molの平均分子量を有する、請求項6から9のいずれか一項に記載の使用。
- 前記ナノファイバー又はナノチェーン状凝集体が、少なくとも部分的にマイクロシェル状の凝集体の形態に結びついている、請求項1〜10のいずれか1項に記載の使用。
- 前記マイクロシェル状の凝集体が、0.1〜5μmの凝集体メジアン径(D50)を有している、請求項11に記載の使用。
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |