JP2008127248A - 無機酸化物又は無機水酸化物の粉末化法 - Google Patents
無機酸化物又は無機水酸化物の粉末化法 Download PDFInfo
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- JP2008127248A JP2008127248A JP2006314904A JP2006314904A JP2008127248A JP 2008127248 A JP2008127248 A JP 2008127248A JP 2006314904 A JP2006314904 A JP 2006314904A JP 2006314904 A JP2006314904 A JP 2006314904A JP 2008127248 A JP2008127248 A JP 2008127248A
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- Prior art keywords
- inorganic
- acid
- hydroxide
- oxide
- solution
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- 229910052809 inorganic oxide Inorganic materials 0.000 title claims abstract description 34
- 229910001853 inorganic hydroxide Inorganic materials 0.000 title claims abstract description 22
- 238000000227 grinding Methods 0.000 title abstract description 5
- 239000002253 acid Substances 0.000 claims abstract description 21
- 239000010409 thin film Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 238000010298 pulverizing process Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxyl anion Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims description 22
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000005712 crystallization Effects 0.000 claims description 13
- 230000001376 precipitating Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 33
- 239000002245 particle Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 38
- -1 inorganic acid salts Chemical class 0.000 description 32
- 239000007789 gas Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 19
- 210000002381 Plasma Anatomy 0.000 description 15
- 150000004703 alkoxides Chemical class 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 15
- 229910010272 inorganic material Inorganic materials 0.000 description 14
- 239000000203 mixture Substances 0.000 description 11
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 150000002484 inorganic compounds Chemical class 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000007921 spray Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000011147 inorganic material Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- WNLRTRBMVRJNCN-UHFFFAOYSA-N Adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N Sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000003301 hydrolyzing Effects 0.000 description 4
- 150000004679 hydroxides Chemical class 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000007522 mineralic acids Chemical class 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- FEWJPZIEWOKRBE-XIXRPRMCSA-N Mesotartaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-XIXRPRMCSA-N 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N Stearic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 230000000996 additive Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 description 3
- 235000015165 citric acid Nutrition 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 235000006408 oxalic acid Nutrition 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical class OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- GXUARMXARIJAFV-UHFFFAOYSA-L Barium oxalate Chemical compound [Ba+2].[O-]C(=O)C([O-])=O GXUARMXARIJAFV-UHFFFAOYSA-L 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N Barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N Isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N Malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N Phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920001213 Polysorbate 20 Polymers 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J Titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N Trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- LUUOIMGRQVOQEG-UHFFFAOYSA-N aluminum;magnesium;hydrate Chemical compound O.[Mg].[Al] LUUOIMGRQVOQEG-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229940094800 barium oxalate Drugs 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atoms Chemical group C* 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 150000001261 hydroxy acids Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910001867 inorganic solvent Inorganic materials 0.000 description 2
- 239000003049 inorganic solvent Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000001630 malic acid Substances 0.000 description 2
- 235000011090 malic acid Nutrition 0.000 description 2
- 229940099690 malic acid Drugs 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- 229960004889 salicylic acid Drugs 0.000 description 2
- 229910052706 scandium Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 235000011044 succinic acid Nutrition 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- 229960001367 tartaric acid Drugs 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- HPCHGGAMBXTKGB-UHFFFAOYSA-N $l^{1}-alumanyloxysilicon Chemical compound [Al]O[Si] HPCHGGAMBXTKGB-UHFFFAOYSA-N 0.000 description 1
- GKQHIYSTBXDYNQ-UHFFFAOYSA-M 1-dodecylpyridin-1-ium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+]1=CC=CC=C1 GKQHIYSTBXDYNQ-UHFFFAOYSA-M 0.000 description 1
- SWSQUVMRFRJPIB-UHFFFAOYSA-H 2,3-dihydroxybutanedioate;lanthanum(3+) Chemical compound [La+3].[La+3].[O-]C(=O)C(O)C(O)C([O-])=O.[O-]C(=O)C(O)C(O)C([O-])=O.[O-]C(=O)C(O)C(O)C([O-])=O SWSQUVMRFRJPIB-UHFFFAOYSA-H 0.000 description 1
- HQWVJPHAUFZXJQ-UHFFFAOYSA-N 2-(dimethylazaniumyl)-2-ethyltetradecanoate Chemical compound CCCCCCCCCCCCC(CC)([NH+](C)C)C([O-])=O HQWVJPHAUFZXJQ-UHFFFAOYSA-N 0.000 description 1
- NPFOYSMITVOQOS-UHFFFAOYSA-K 2-hydroxypropane-1,2,3-tricarboxylate;iron(3+) Chemical compound [Fe+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NPFOYSMITVOQOS-UHFFFAOYSA-K 0.000 description 1
- NCOYDQIWSSMOEW-UHFFFAOYSA-K 2-hydroxypropane-1,2,3-tricarboxylate;lanthanum(3+) Chemical compound [La+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NCOYDQIWSSMOEW-UHFFFAOYSA-K 0.000 description 1
- HSULNFGSJFUXON-UHFFFAOYSA-K 2-hydroxypropane-1,2,3-tricarboxylate;neodymium(3+) Chemical compound [Nd+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HSULNFGSJFUXON-UHFFFAOYSA-K 0.000 description 1
- ZLPZMGRIYAWMNV-UHFFFAOYSA-K 2-hydroxypropane-1,2,3-tricarboxylate;samarium(3+) Chemical compound [Sm+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O ZLPZMGRIYAWMNV-UHFFFAOYSA-K 0.000 description 1
- GZKRCRAGDZVCSJ-UHFFFAOYSA-K 2-hydroxypropane-1,2,3-tricarboxylate;scandium(3+) Chemical compound [Sc+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O GZKRCRAGDZVCSJ-UHFFFAOYSA-K 0.000 description 1
- YCWCJWQILLXGBP-UHFFFAOYSA-K 2-hydroxypropane-1,2,3-tricarboxylate;yttrium(3+) Chemical compound [Y+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YCWCJWQILLXGBP-UHFFFAOYSA-K 0.000 description 1
- AOHMFUYIHARAGR-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;magnesium Chemical compound [Mg].[Mg].[Mg].OC(=O)CC(O)(C(O)=O)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O AOHMFUYIHARAGR-UHFFFAOYSA-N 0.000 description 1
- HMFKFHLTUCJZJO-UHFFFAOYSA-N 2-{2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy}ethyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCCOCC(OCCO)C1OCC(OCCO)C1OCCO HMFKFHLTUCJZJO-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K 2qpq Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- ZUGAOYSWHHGDJY-UHFFFAOYSA-K 5-hydroxy-2,8,9-trioxa-1-aluminabicyclo[3.3.2]decane-3,7,10-trione Chemical compound [Al+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O ZUGAOYSWHHGDJY-UHFFFAOYSA-K 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K Aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N Aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- LCQXXBOSCBRNNT-UHFFFAOYSA-K Ammonium aluminium sulfate Chemical compound [NH4+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LCQXXBOSCBRNNT-UHFFFAOYSA-K 0.000 description 1
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L Barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
- YXFBNSXPHFMYSA-UHFFFAOYSA-H C(=O)([O-])C(O)C(O)C(=O)[O-].[Eu+3].C(=O)([O-])C(O)C(O)C(=O)[O-].C(=O)([O-])C(O)C(O)C(=O)[O-].[Eu+3] Chemical compound C(=O)([O-])C(O)C(O)C(=O)[O-].[Eu+3].C(=O)([O-])C(O)C(O)C(=O)[O-].C(=O)([O-])C(O)C(O)C(=O)[O-].[Eu+3] YXFBNSXPHFMYSA-UHFFFAOYSA-H 0.000 description 1
- PDMDUIKUXLQNLT-UHFFFAOYSA-H C(=O)([O-])C(O)C(O)C(=O)[O-].[Ti+4].[Sr+2].C(=O)([O-])C(O)C(O)C(=O)[O-].C(=O)([O-])C(O)C(O)C(=O)[O-] Chemical compound C(=O)([O-])C(O)C(O)C(=O)[O-].[Ti+4].[Sr+2].C(=O)([O-])C(O)C(O)C(=O)[O-].C(=O)([O-])C(O)C(O)C(=O)[O-] PDMDUIKUXLQNLT-UHFFFAOYSA-H 0.000 description 1
- MKWYLVOXTRHLFT-UHFFFAOYSA-J C(C(=O)[O-])(=O)[O-].[Fe+2].[Mg+2].C(C(=O)[O-])(=O)[O-] Chemical compound C(C(=O)[O-])(=O)[O-].[Fe+2].[Mg+2].C(C(=O)[O-])(=O)[O-] MKWYLVOXTRHLFT-UHFFFAOYSA-J 0.000 description 1
- MPSPUJJWJXVQEZ-UHFFFAOYSA-N CCCO[Eu](OCCC)OCCC Chemical compound CCCO[Eu](OCCC)OCCC MPSPUJJWJXVQEZ-UHFFFAOYSA-N 0.000 description 1
- BKLDQRGUWWFHGK-UHFFFAOYSA-N C[O-].[Ba+2].[Al+3].C[O-].C[O-].C[O-].C[O-] Chemical compound C[O-].[Ba+2].[Al+3].C[O-].C[O-].C[O-].C[O-] BKLDQRGUWWFHGK-UHFFFAOYSA-N 0.000 description 1
- XRPTZPXEDJNXAD-UHFFFAOYSA-N C[O-].[Fe+2].[Mg+2].C[O-].C[O-].C[O-] Chemical compound C[O-].[Fe+2].[Mg+2].C[O-].C[O-].C[O-] XRPTZPXEDJNXAD-UHFFFAOYSA-N 0.000 description 1
- WCSPSIQZUGBOFX-UHFFFAOYSA-N C[O-].[Mg+2].[Al+3].C[O-].C[O-].C[O-].C[O-] Chemical compound C[O-].[Mg+2].[Al+3].C[O-].C[O-].C[O-].C[O-] WCSPSIQZUGBOFX-UHFFFAOYSA-N 0.000 description 1
- OKWVEWDXONNKDU-UHFFFAOYSA-N C[O-].[Si+4].[Al+3].C[O-].C[O-].C[O-].C[O-].C[O-].C[O-] Chemical compound C[O-].[Si+4].[Al+3].C[O-].C[O-].C[O-].C[O-].C[O-].C[O-] OKWVEWDXONNKDU-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- UNJPQTDTZAKTFK-UHFFFAOYSA-K Cerium(III) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 1
- OFJATJUUUCAKMK-UHFFFAOYSA-N Cerium(IV) oxide Chemical compound [O-2]=[Ce+4]=[O-2] OFJATJUUUCAKMK-UHFFFAOYSA-N 0.000 description 1
- 229940001468 Citrate Drugs 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N Dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H Ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
- OHZCFWMJMWFNFP-UHFFFAOYSA-L Ferrous tartrate Chemical compound [Fe+2].[O-]C(=O)C(O)C(O)C([O-])=O OHZCFWMJMWFNFP-UHFFFAOYSA-L 0.000 description 1
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- 229910052689 Holmium Inorganic materials 0.000 description 1
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- 229910000460 iron oxide Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- VAPRHKOWFRYFTF-UHFFFAOYSA-N iron(2+);methanolate Chemical compound [Fe+2].[O-]C.[O-]C VAPRHKOWFRYFTF-UHFFFAOYSA-N 0.000 description 1
- XOEFHXMHZDTYQO-UHFFFAOYSA-N iron(2+);propan-1-olate Chemical compound [Fe+2].CCC[O-].CCC[O-] XOEFHXMHZDTYQO-UHFFFAOYSA-N 0.000 description 1
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910001941 lanthanum oxide Inorganic materials 0.000 description 1
- OXHNIMPTBAKYRS-UHFFFAOYSA-H lanthanum(3+);oxalate Chemical compound [La+3].[La+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O OXHNIMPTBAKYRS-UHFFFAOYSA-H 0.000 description 1
- JLRJWBUSTKIQQH-UHFFFAOYSA-K lanthanum(3+);triacetate Chemical compound [La+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JLRJWBUSTKIQQH-UHFFFAOYSA-K 0.000 description 1
- YXEUGTSPQFTXTR-UHFFFAOYSA-K lanthanum(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[La+3] YXEUGTSPQFTXTR-UHFFFAOYSA-K 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 239000004337 magnesium citrate Substances 0.000 description 1
- 229960005336 magnesium citrate Drugs 0.000 description 1
- 235000002538 magnesium citrate Nutrition 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- WOILOFGHPQFTKQ-UHFFFAOYSA-K magnesium;2-hydroxypropane-1,2,3-tricarboxylate;iron(2+) Chemical compound [Mg+2].[Fe+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O WOILOFGHPQFTKQ-UHFFFAOYSA-K 0.000 description 1
- HFTSQAKJLBPKBD-UHFFFAOYSA-N magnesium;butan-1-olate Chemical compound [Mg+2].CCCC[O-].CCCC[O-] HFTSQAKJLBPKBD-UHFFFAOYSA-N 0.000 description 1
- XDKQUSKHRIUJEO-UHFFFAOYSA-N magnesium;ethanolate Chemical compound [Mg+2].CC[O-].CC[O-] XDKQUSKHRIUJEO-UHFFFAOYSA-N 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 1
- WNJYXPXGUGOGBO-UHFFFAOYSA-N magnesium;propan-1-olate Chemical compound CCCO[Mg]OCCC WNJYXPXGUGOGBO-UHFFFAOYSA-N 0.000 description 1
- 229940049920 malate Drugs 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-L malate(2-) Chemical compound [O-]C(=O)C(O)CC([O-])=O BJEPYKJPYRNKOW-UHFFFAOYSA-L 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M methanoate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- GAZQTPCOHATOHJ-UHFFFAOYSA-N methanolate;scandium(3+) Chemical compound [Sc+3].[O-]C.[O-]C.[O-]C GAZQTPCOHATOHJ-UHFFFAOYSA-N 0.000 description 1
- WVLGTKBIJRAYME-UHFFFAOYSA-N methanolate;yttrium(3+) Chemical compound [Y+3].[O-]C.[O-]C.[O-]C WVLGTKBIJRAYME-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910003444 neodymium oxide Inorganic materials 0.000 description 1
- VKLDOHAGZQSOPP-UHFFFAOYSA-H neodymium(3+);oxalate Chemical compound [Nd+3].[Nd+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VKLDOHAGZQSOPP-UHFFFAOYSA-H 0.000 description 1
- IRGLOWNFSUBRSR-UHFFFAOYSA-N neodymium(3+);propan-1-olate Chemical compound [Nd+3].CCC[O-].CCC[O-].CCC[O-] IRGLOWNFSUBRSR-UHFFFAOYSA-N 0.000 description 1
- KETUDCKOKOGBJB-UHFFFAOYSA-K neodymium(3+);triacetate Chemical compound [Nd+3].CC([O-])=O.CC([O-])=O.CC([O-])=O KETUDCKOKOGBJB-UHFFFAOYSA-K 0.000 description 1
- ZBAQHMBLDSQPHC-UHFFFAOYSA-K neodymium(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[Nd+3] ZBAQHMBLDSQPHC-UHFFFAOYSA-K 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N o-xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- DABIZUXUJGHLMW-UHFFFAOYSA-H oxalate;samarium(3+) Chemical compound [Sm+3].[Sm+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DABIZUXUJGHLMW-UHFFFAOYSA-H 0.000 description 1
- OMMFSGNJZPSNEH-UHFFFAOYSA-H oxalate;scandium(3+) Chemical compound [Sc+3].[Sc+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O OMMFSGNJZPSNEH-UHFFFAOYSA-H 0.000 description 1
- IBSDADOZMZEYKD-UHFFFAOYSA-H oxalate;yttrium(3+) Chemical compound [Y+3].[Y+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O IBSDADOZMZEYKD-UHFFFAOYSA-H 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atoms Chemical group O* 0.000 description 1
- HJGMWXTVGKLUAQ-UHFFFAOYSA-N oxygen(2-);scandium(3+) Chemical compound [O-2].[O-2].[O-2].[Sc+3].[Sc+3] HJGMWXTVGKLUAQ-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052696 pnictogen Inorganic materials 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 description 1
- 239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- IQCIMEXIXLKXNO-UHFFFAOYSA-N propan-1-olate;scandium(3+) Chemical compound [Sc+3].CCC[O-].CCC[O-].CCC[O-] IQCIMEXIXLKXNO-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910001954 samarium oxide Inorganic materials 0.000 description 1
- 229940075630 samarium oxide Drugs 0.000 description 1
- JPDBEEUPLFWHAJ-UHFFFAOYSA-K samarium(3+);triacetate Chemical compound [Sm+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JPDBEEUPLFWHAJ-UHFFFAOYSA-K 0.000 description 1
- BCYBEIXXOVNETJ-UHFFFAOYSA-K samarium(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[Sm+3] BCYBEIXXOVNETJ-UHFFFAOYSA-K 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- DBTMQFKUVICLQN-UHFFFAOYSA-K scandium(3+);triacetate Chemical compound [Sc+3].CC([O-])=O.CC([O-])=O.CC([O-])=O DBTMQFKUVICLQN-UHFFFAOYSA-K 0.000 description 1
- LQPWUWOODZHKKW-UHFFFAOYSA-K scandium(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[Sc+3] LQPWUWOODZHKKW-UHFFFAOYSA-K 0.000 description 1
- 150000003330 sebacic acids Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- XZTJQQLJJCXOLP-UHFFFAOYSA-M sodium;decyl sulfate Chemical compound [Na+].CCCCCCCCCCOS([O-])(=O)=O XZTJQQLJJCXOLP-UHFFFAOYSA-M 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229940086735 succinate Drugs 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910001929 titanium oxide Inorganic materials 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- MYWQGROTKMBNKN-UHFFFAOYSA-N tributoxyalumane Chemical compound [Al+3].CCCC[O-].CCCC[O-].CCCC[O-] MYWQGROTKMBNKN-UHFFFAOYSA-N 0.000 description 1
- UAEJRRZPRZCUBE-UHFFFAOYSA-N trimethoxyalumane Chemical compound [Al+3].[O-]C.[O-]C.[O-]C UAEJRRZPRZCUBE-UHFFFAOYSA-N 0.000 description 1
- OBROYCQXICMORW-UHFFFAOYSA-N tripropoxyalumane Chemical compound [Al+3].CCC[O-].CCC[O-].CCC[O-] OBROYCQXICMORW-UHFFFAOYSA-N 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- JUWHRRAPBUAYTA-UHFFFAOYSA-K yttrium(3+);triacetate Chemical compound [Y+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JUWHRRAPBUAYTA-UHFFFAOYSA-K 0.000 description 1
- DEXZEPDUSNRVTN-UHFFFAOYSA-K yttrium(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[Y+3] DEXZEPDUSNRVTN-UHFFFAOYSA-K 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Abstract
緻密で、粉末の粒度分布が狭い微粒子化の可能な、新しい無機酸化物又は無機水酸化物粉末の製造方法を提供する。
【解決手段】
酸、水酸又はその他の溶媒に溶解した無機物溶液を噴霧して薄膜を遠心盤上に生成させる薄膜生成工程、前記薄膜を遠心盤の高速回転により飛散させて、微細液滴化する細粒化工程、生成された微細液滴を結晶化する結晶化工程を含むことを特徴とする無機酸化物又は無機水酸化物の粉末化法とする。
【選択図】 図1
Description
などが知られている。また、粉体の微粒子化と粒度分布制御のためにガス噴霧法と遠心噴霧法を組み合わせた方法などが提案されている(特許文献2)。これらの方法は噴霧媒体の集中的な力や遠心力により微細液滴を飛散し、その溶滴を冷却することにより容易に粉体が得られる金属粉末製造方法として、有効な手段とされてきた。だが、無機酸化物や無機水酸化物の場合には、これを加熱溶融させることは難しく、溶融させれば、その化学的性質が変化してしまうので、このような方法を取ることは不可能とされていた。
1164103555073_0
にも例示したように、平板状のもの(A)でもよいし、無機物溶液の種類によっては、微細液滴(6)を得るために傘型円錐状のもの(B)等を用いてもよい。
ぬれ性の悪い材質を選択すると遠心盤(4)上で健全な薄膜が形成されず,微細な液滴を生成することができず、粉末の粒子径を制御することもできなくなる。
これら複数の元素を含むものを作成する場合は、これら元素が所望の状態に化合したものを溶液化するか、それぞれ単独で液化してある溶液を混合し、結晶化の段階で化学変化を起こさせるようにすることができる。
たはアルカリ水溶液、さらには水などが使用可能であるが、これのみに限定されるものではない。酸またはアルカリとしては、無機酸、有機酸、有機アミン類、水酸化物など何れでも良く、例えば無機酸としては、硝酸、リン酸、硫酸、塩酸、有機酸としては、蟻酸、シュウ酸、酢酸、プロピオン酸、コハク酸、リンゴ酸、酒石酸、クエン酸、アジピン酸、ムチン酸、安息香酸、サリチル酸、フタル酸、イソフタル酸、テレフタル酸、トリメリト酸、セバシン酸、ピロメリト酸、ステアリン酸、有機アミン類としては、トリメチルアミン、ジメチルアミン、水酸化物としては、水酸化アンモニウム、水酸化ナトリウム、水酸化カリウムなどを挙げることができるが、これのみに限定されるものではない。
界面活性剤としては、アニオン界面活性剤、カチオン界面活性剤、両性界面活性剤または非イオン活性剤などが適宜使用できる。例えばデシル硫酸ナトリウム、ドデシル硫酸ナトリウム、臭化ドデシルトリメチルアンモニウム、塩化ドデシルピリジニウム、ドデシルジメチルアンモニオプロパンカルボキシラート、N−ドデシル−N,N−ジメチルグリシン、ポリオキシエチレンソルビタンモノラウレート(TWEEN 20)、ポリオキシエチレンソルビタンモノパルミテート(TWEEN 40)などを挙げることができるが、これのみに限定されるものではない。
1.溶媒に溶解したもの
2.酸に溶解したもの
3.水酸に溶解したの
上記無機材を溶解する溶媒としては、有機溶媒に限定されるものではなく、無機溶媒でも良く、もちろん溶解すれば水でもよい。
また無機溶媒としては、液体アンモニア、液体二酸化炭素、シリコーンオイルなどが挙げられるが、通常良く使用されるものとしては、水との混合物である酸またはアルカリ水溶液が挙げられる。
酸化・水酸化していない無機物溶液を粉末化処理するのに有用である。
た段階で急速に加熱されて、飛散中に析出結晶し結晶化するものと考えられる。
この場合、結晶化の完成を飛散中に行うことは、ほとんどの場合不可能と思われるので、飛散中には析出結晶して結晶化するものと思われる。
完全な結晶を得られる場合があるが、その場合は、チャンバー(7)内に結晶化後に放置することにより結晶化が完成したものと思われる。
例えばペロブスカイト型あるいはスピネル型などの構造を有する粉末が製造できる。ペロブスカイト型構造を有する例としては、コンデンサー材料である強誘電体の酸化チタンバリウムおよびこれの誘導体が挙げられる。またスピネル型構造を有する例としては、耐摩耗性材料である酸化アルミニウムマグネシウムなどが挙げられる。
四塩化チタン(純度99.9%)に水を加え、四塩化チタンの濃度が1モル/リットルの水溶液を調整した。この水溶液3リットルを還流冷却器及び攪拌装置付きの反応槽に装入し、沸点付近(104℃)まで加熱し、約30分間保持して無機酸化物の溶液を調製した。
1164103555073_1
の装置構成において、前記無機物溶液(1)を試料容器に投入し、下方の2mm径のノズル口(2)から空気ガスジェットをガス圧力0.6MPaで噴出させ、40度角のコニカルジェットを構成させ、この空気ガスジェット内部に試料溶液を自由落下させて微少液滴として遠心盤(4)上に吹き付けた。
1164103555073_2
(A)のような直径50mmφの円盤状のものを用いて、回転速度を40000rpm一定として行った。
1164103555073_3
中のチャンバー(7)内の最高温度帯域を800℃にして粉末を回収した。得られた試料の形態観察は電界放出型走査型電子顕微鏡(HITACHI S−5000)を用い、加速電圧10kVにて行った。結果を図3に示す。さらに前記粒子のX線回折測定の結果99%以上の結晶性酸化チタンであることが確認された。
2:ガス噴霧ノズル
3:ガス噴霧により噴霧された無機溶液
4:遠心盤
5:無機物溶液薄膜
6:微細液滴
7:チャンバー
8A,8B:加熱装置
9:粉末捕集装置
Claims (3)
- 酸、水酸又はその他の溶媒に溶解した無機物溶液を噴霧して薄膜を遠心盤上に生成させる薄膜生成工程、前記薄膜を遠心盤の高速回転により飛散させて、微細液滴化する細粒化工程、生成された微細液滴を結晶化する結晶化工程を含むことを特徴とする無機酸化物又は無機水酸化物の粉末化法。
- 請求項1に記載の粉末化法において、溶媒に溶解した無機物溶液では、結晶化工程において、無機物を酸化又は水酸化することを特徴とする無機酸化物又は無機水酸化物の粉末化法。
- 請求項1に記載の粉末化法において、酸又は水酸に無機物を溶解した無機溶液では、その結晶化工程において、無機酸化物又は無機水酸化物を析出結晶させることで結晶化することを特徴とする無機酸化物又は無機水酸化物の粉末化法。
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Cited By (3)
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---|---|---|---|---|
JP2010099586A (ja) * | 2008-10-23 | 2010-05-06 | National Institute For Materials Science | 固形粒子の製造装置及び製造方法 |
JP2011094837A (ja) * | 2009-10-28 | 2011-05-12 | National Institute For Materials Science | 固形粒子の製造装置と製造方法並びにその方法により得られた固形粒子 |
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US8900953B2 (en) | 2008-09-01 | 2014-12-02 | Hiroshima University | Crystal manufacturing apparatus, semiconductor device manufactured using the same, and method of manufacturing semiconductor device using the same |
JP2010099586A (ja) * | 2008-10-23 | 2010-05-06 | National Institute For Materials Science | 固形粒子の製造装置及び製造方法 |
US8080188B2 (en) | 2008-10-23 | 2011-12-20 | National Institute For Materials Science | Manufacturing apparatus and manufacturing method for solid particle |
JP2011094837A (ja) * | 2009-10-28 | 2011-05-12 | National Institute For Materials Science | 固形粒子の製造装置と製造方法並びにその方法により得られた固形粒子 |
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