JP5565312B2 - 酸化亜鉛粒子の製造方法 - Google Patents
酸化亜鉛粒子の製造方法 Download PDFInfo
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- JP5565312B2 JP5565312B2 JP2010535639A JP2010535639A JP5565312B2 JP 5565312 B2 JP5565312 B2 JP 5565312B2 JP 2010535639 A JP2010535639 A JP 2010535639A JP 2010535639 A JP2010535639 A JP 2010535639A JP 5565312 B2 JP5565312 B2 JP 5565312B2
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims description 154
- 239000002245 particle Substances 0.000 title claims description 106
- 239000011787 zinc oxide Substances 0.000 title claims description 77
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000010304 firing Methods 0.000 claims description 22
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- 239000011701 zinc Substances 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims 2
- 230000003068 static effect Effects 0.000 claims 1
- -1 polyethylene Polymers 0.000 description 27
- 239000011342 resin composition Substances 0.000 description 25
- 239000000945 filler Substances 0.000 description 22
- 229920005989 resin Polymers 0.000 description 21
- 239000011347 resin Substances 0.000 description 21
- 238000002156 mixing Methods 0.000 description 19
- 239000000843 powder Substances 0.000 description 19
- 238000009826 distribution Methods 0.000 description 18
- 239000011362 coarse particle Substances 0.000 description 16
- 230000017525 heat dissipation Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 239000004519 grease Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000194 fatty acid Substances 0.000 description 12
- 235000014113 dietary fatty acids Nutrition 0.000 description 11
- 229930195729 fatty acid Natural products 0.000 description 11
- 239000003973 paint Substances 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000004898 kneading Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
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- 239000000976 ink Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
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- 238000004381 surface treatment Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
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- 239000010409 thin film Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 229920001214 Polysorbate 60 Polymers 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical group [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000002199 base oil Substances 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical group [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 101001139126 Homo sapiens Krueppel-like factor 6 Proteins 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- ARCGXLSVLAOJQL-UHFFFAOYSA-N anhydrous trimellitic acid Natural products OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical group [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000010332 dry classification Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 238000010333 wet classification Methods 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- 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
- C09C1/04—Compounds of zinc
- C09C1/043—Zinc oxide
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
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- 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
- C01P2004/51—Particles with a specific particle size distribution
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- 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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Description
しかし、放熱性フィラーとしては、通常はアルミナや窒化アルミニウム等が広く使用されており、酸化亜鉛はこれらに比べるとほとんど実用化されていない。
上記臭化アンモニウムは、上記亜鉛源粒子に対し、0.1〜10質量%の割合で添加され、焼成は600℃〜1200℃の静置焼成によって行われることが好ましい。
本発明の酸化亜鉛粒子は、メジアン径が1〜30μmであり、D90/D10が4以下であることを特徴とするものである。すなわち、従来の酸化亜鉛粒子に比べて粒子径が大きく、かつ、D90とD10との比が小さい(すなわち、粒子径が極端に大きい粗大粒子の量が少ない)ことを特徴とするものである。このような酸化亜鉛粒子は公知ではなく、本発明者らによって初めて製造されたものである。
酸化亜鉛1種(堺化学工業社製、平均粒子径0.7μm)1200gと臭化アンモニウム12gを30秒間乾式混合し、混合粉を内寸法235mm×160mm×56mmHの石英匣鉢に入れ、910℃で3時間焼成した。
実施例1において、焼成温度を700℃、焼成時間を2時間に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は2.03μm、D90/D10は4.00、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを60gに代え、焼成温度を1100℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は19.70μm、D90/D10は3.41、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを塩化アンモニウムに代え、焼成温度を750℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は7.82μm、D90/D10は12.33、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを塩化ナトリウムに代え、焼成温度を900℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は11.00μm、D90/D10は6.85、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを塩化カリウムに代え、焼成温度を930℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は10.16μm、D90/D10は6.45、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを臭化カリウムに代え、焼成温度を900℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は11.20μm、D90/D10は5.79、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを塩化マグネシウムに代え、焼成温度を690℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は7.58μm、D90/D10は13.56、ふるい残分45μmは0.01%以下であった。
実施例1において、臭化アンモニウムを塩化バリウムに代え、焼成温度を950℃に代えた以外は同様にして、白色粉体を得た。この粉体のメジアン径は7.75μm、D90/D10は6.30、ふるい残分45μmは0.01%以下であった。
表1に示す割合でEEA樹脂(日本ポリエチレン社製レクスパールA−1150)及び実施例1,2の酸化亜鉛粒子を160℃に加熱しながら混合した後加圧成型により樹脂組成物を得た。これを50mmφ×2mmの形状の成形体とした。これらの熱伝導性を測定した。結果を表1に示す。なお、熱伝導率は、熱流計法により25℃で行った。
フィラーを添加しないEEA樹脂の同様の成形体について、熱伝導率を測定した。結果を表1に示す。
酸化亜鉛にかえて、アルミナを使用して同様の試験を行った。結果を表1に示す。
表2に示す割合でエポキシ樹脂(ジャパンエポキシレジン社製jER828)、エポキシ樹脂硬化剤(ジャパンエポキシレジン社製jERキュアST12)及び実施例1の酸化亜鉛粒子を混合し、50mmφ×2mmの型に注入後、80℃で3時間熱処理することで成形体を得た。この成形体の熱伝導率を測定した結果を表2に示す。
実施例7において、酸化亜鉛にかえて、アルミナ10μmを使用して同様の試験を行った。結果を表2に示す。
表3に示す割合でシリコーン樹脂(信越化学工業社製KE−103)、シリコーン樹脂硬化剤(信越化学工業社製CAT−103)及び実施例1の酸化亜鉛粒子を混合し、150℃に加熱しながら30分間加圧成形する事で樹脂組成物を得た。これを50mmφ×2mmの形状の成形体とし、熱伝導率を測定した結果を表3に示す。
実施例8において、酸化亜鉛をアルミナ10μmに代え、同様の試験を行った。結果を表3に示す。
表4に示す割合でシリコーンオイル(信越化学工業社製KF−99)及び実施例1の酸化亜鉛粒子を混合することで放熱性グリースを作製した。この放熱性グリースの熱伝導率を測定した結果を表4に示す。
実施例9において、酸化亜鉛にかえて、アルミナ10μmを使用して同様の試験を行った。結果を表4に示す。
表5に示す割合でエポキシ樹脂(ジャパンエポキシレジン社製jER828)、トルエン及び実施例1の酸化亜鉛粒子をディスパー分散することで、放熱性塗料を作製した。この放熱性塗料の熱伝導率を測定した結果を表5に示す。
実施例10において、酸化亜鉛にかえて、アルミナ10μmを使用して同様の試験を行った。結果を表5に示す。
Claims (2)
- 亜鉛源粒子を臭化アンモニウム存在下で焼成する工程を有することを特徴とするメジアン径が1〜30μmであり、D90/D10が4以下である酸化亜鉛粒子の製造方法。
- 臭化アンモニウムは亜鉛源粒子に対し0.1〜10質量%の割合で添加され、焼成は600℃〜1200℃の静置焼成によって行われる請求項1記載の酸化亜鉛粒子の製造方法。
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EP2703351B1 (en) * | 2011-04-28 | 2019-06-12 | Sakai Chemical Industry Co., Ltd. | Hexagonal-cylinder-shaped zinc oxide particles, production method for same, and cosmetic material, heat-dissipating filler, heat-dissipating resin composition, heat-dissipating grease, and heat-dissipating coating composition having same blended therein |
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JP6517086B2 (ja) * | 2015-06-05 | 2019-05-22 | 日立化成株式会社 | 熱放射性塗膜、及びそれを有する発光ダイオード(led)照明、ヒートシンク、太陽電池モジュール用バックシート |
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