WO2010095616A1 - チタン酸アルミニウム系セラミックス - Google Patents
チタン酸アルミニウム系セラミックス Download PDFInfo
- Publication number
- WO2010095616A1 WO2010095616A1 PCT/JP2010/052282 JP2010052282W WO2010095616A1 WO 2010095616 A1 WO2010095616 A1 WO 2010095616A1 JP 2010052282 W JP2010052282 W JP 2010052282W WO 2010095616 A1 WO2010095616 A1 WO 2010095616A1
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- WIPO (PCT)
- Prior art keywords
- powder
- aluminum
- raw material
- mass
- source
- Prior art date
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- 239000000919 ceramic Substances 0.000 title claims abstract description 92
- 229910000505 Al2TiO5 Inorganic materials 0.000 title claims abstract description 88
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 title claims abstract description 87
- 239000002994 raw material Substances 0.000 claims abstract description 110
- 239000000203 mixture Substances 0.000 claims abstract description 58
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000010936 titanium Substances 0.000 claims abstract description 42
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000010304 firing Methods 0.000 claims abstract description 35
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 32
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 31
- 239000010937 tungsten Substances 0.000 claims abstract description 31
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 23
- 239000011651 chromium Substances 0.000 claims abstract description 23
- 239000011777 magnesium Substances 0.000 claims description 44
- 229910052749 magnesium Inorganic materials 0.000 claims description 34
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000010703 silicon Substances 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 32
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 11
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 172
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 34
- 229940091250 magnesium supplement Drugs 0.000 description 33
- 238000000034 method Methods 0.000 description 31
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 28
- 239000013078 crystal Substances 0.000 description 27
- -1 titanium alkoxides Chemical class 0.000 description 25
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 22
- 239000000654 additive Substances 0.000 description 17
- 239000012298 atmosphere Substances 0.000 description 15
- 239000011521 glass Substances 0.000 description 15
- 239000000395 magnesium oxide Substances 0.000 description 14
- 238000002156 mixing Methods 0.000 description 14
- 238000010298 pulverizing process Methods 0.000 description 14
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 238000001228 spectrum Methods 0.000 description 10
- 239000011324 bead Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 229920000609 methyl cellulose Polymers 0.000 description 8
- 239000001923 methylcellulose Substances 0.000 description 8
- 235000010981 methylcellulose Nutrition 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 238000000634 powder X-ray diffraction Methods 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 229910052596 spinel Inorganic materials 0.000 description 8
- 239000011029 spinel Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910052593 corundum Inorganic materials 0.000 description 7
- 239000010431 corundum Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000013001 point bending Methods 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 235000010215 titanium dioxide Nutrition 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 4
- 239000005368 silicate glass Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910017053 inorganic salt Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 2
- 229940063655 aluminum stearate Drugs 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 150000002697 manganese compounds Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- RCYJPSGNXVLIBO-UHFFFAOYSA-N sulfanylidenetitanium Chemical compound [S].[Ti] RCYJPSGNXVLIBO-UHFFFAOYSA-N 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 150000003608 titanium Chemical class 0.000 description 2
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 description 1
- QUVMSYUGOKEMPX-UHFFFAOYSA-N 2-methylpropan-1-olate;titanium(4+) Chemical compound [Ti+4].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-] QUVMSYUGOKEMPX-UHFFFAOYSA-N 0.000 description 1
- SDTMFDGELKWGFT-UHFFFAOYSA-N 2-methylpropan-2-olate Chemical compound CC(C)(C)[O-] SDTMFDGELKWGFT-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- RVDLHGSZWAELAU-UHFFFAOYSA-N 5-tert-butylthiophene-2-carbonyl chloride Chemical compound CC(C)(C)C1=CC=C(C(Cl)=O)S1 RVDLHGSZWAELAU-UHFFFAOYSA-N 0.000 description 1
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 206010064031 Limb crushing injury Diseases 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 description 1
- MQHWFIOJQSCFNM-UHFFFAOYSA-L Magnesium salicylate Chemical compound [Mg+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O MQHWFIOJQSCFNM-UHFFFAOYSA-L 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- 229940009827 aluminum acetate Drugs 0.000 description 1
- KMJRBSYFFVNPPK-UHFFFAOYSA-K aluminum;dodecanoate Chemical compound [Al+3].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O KMJRBSYFFVNPPK-UHFFFAOYSA-K 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- IOGARICUVYSYGI-UHFFFAOYSA-K azanium (4-oxo-1,3,2-dioxalumetan-2-yl) carbonate Chemical compound [NH4+].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O IOGARICUVYSYGI-UHFFFAOYSA-K 0.000 description 1
- RAGLTCMTCZHYEJ-UHFFFAOYSA-K azanium;chromium(3+);disulfate Chemical compound [NH4+].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RAGLTCMTCZHYEJ-UHFFFAOYSA-K 0.000 description 1
- 229910001680 bayerite Inorganic materials 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- ZCLVNIZJEKLGFA-UHFFFAOYSA-H bis(4,5-dioxo-1,3,2-dioxalumolan-2-yl) oxalate Chemical compound [Al+3].[Al+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O ZCLVNIZJEKLGFA-UHFFFAOYSA-H 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
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- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- XZTWHWHGBBCSMX-UHFFFAOYSA-J dimagnesium;phosphonato phosphate Chemical compound [Mg+2].[Mg+2].[O-]P([O-])(=O)OP([O-])([O-])=O XZTWHWHGBBCSMX-UHFFFAOYSA-J 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- FZFYOUJTOSBFPQ-UHFFFAOYSA-M dipotassium;hydroxide Chemical compound [OH-].[K+].[K+] FZFYOUJTOSBFPQ-UHFFFAOYSA-M 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
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- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- PJJZFXPJNUVBMR-UHFFFAOYSA-L magnesium benzoate Chemical compound [Mg+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 PJJZFXPJNUVBMR-UHFFFAOYSA-L 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229960001708 magnesium carbonate Drugs 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 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
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000001755 magnesium gluconate Substances 0.000 description 1
- 235000015778 magnesium gluconate Nutrition 0.000 description 1
- 229960003035 magnesium gluconate Drugs 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- OVGXLJDWSLQDRT-UHFFFAOYSA-L magnesium lactate Chemical compound [Mg+2].CC(O)C([O-])=O.CC(O)C([O-])=O OVGXLJDWSLQDRT-UHFFFAOYSA-L 0.000 description 1
- 239000000626 magnesium lactate Substances 0.000 description 1
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- 229960004658 magnesium lactate Drugs 0.000 description 1
- 229940105112 magnesium myristate Drugs 0.000 description 1
- UHNWOJJPXCYKCG-UHFFFAOYSA-L magnesium oxalate Chemical compound [Mg+2].[O-]C(=O)C([O-])=O UHNWOJJPXCYKCG-UHFFFAOYSA-L 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- 229940072082 magnesium salicylate Drugs 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229940057948 magnesium stearate Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 229960003390 magnesium sulfate Drugs 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- IAKLPCRFBAZVRW-XRDLMGPZSA-L magnesium;(2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanoate;hydrate Chemical compound O.[Mg+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O IAKLPCRFBAZVRW-XRDLMGPZSA-L 0.000 description 1
- DZBOAIYHPIPCBP-UHFFFAOYSA-L magnesium;2-methylprop-2-enoate Chemical compound [Mg+2].CC(=C)C([O-])=O.CC(=C)C([O-])=O DZBOAIYHPIPCBP-UHFFFAOYSA-L 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-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
- DMRBHZWQMKSQGR-UHFFFAOYSA-L magnesium;tetradecanoate Chemical compound [Mg+2].CCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCC([O-])=O DMRBHZWQMKSQGR-UHFFFAOYSA-L 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- YQXQWFASZYSARF-UHFFFAOYSA-N methanol;titanium Chemical compound [Ti].OC YQXQWFASZYSARF-UHFFFAOYSA-N 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
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- 229920001451 polypropylene glycol Polymers 0.000 description 1
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- IKNCGYCHMGNBCP-UHFFFAOYSA-N propan-1-olate Chemical compound CCC[O-] IKNCGYCHMGNBCP-UHFFFAOYSA-N 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 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
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- JXJTWJYTKGINRZ-UHFFFAOYSA-J silicon(4+);tetraacetate Chemical compound [Si+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O JXJTWJYTKGINRZ-UHFFFAOYSA-J 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- NVKTUNLPFJHLCG-UHFFFAOYSA-N strontium chromate Chemical compound [Sr+2].[O-][Cr]([O-])(=O)=O NVKTUNLPFJHLCG-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- YXPHMGGSLJFAPL-UHFFFAOYSA-J tetrabromotungsten Chemical compound Br[W](Br)(Br)Br YXPHMGGSLJFAPL-UHFFFAOYSA-J 0.000 description 1
- YOUIDGQAIILFBW-UHFFFAOYSA-J tetrachlorotungsten Chemical compound Cl[W](Cl)(Cl)Cl YOUIDGQAIILFBW-UHFFFAOYSA-J 0.000 description 1
- MMCXETIAXNXKPE-UHFFFAOYSA-J tetraiodotungsten Chemical compound I[W](I)(I)I MMCXETIAXNXKPE-UHFFFAOYSA-J 0.000 description 1
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- CFJRPNFOLVDFMJ-UHFFFAOYSA-N titanium disulfide Chemical compound S=[Ti]=S CFJRPNFOLVDFMJ-UHFFFAOYSA-N 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- GQUJEMVIKWQAEH-UHFFFAOYSA-N titanium(III) oxide Chemical compound O=[Ti]O[Ti]=O GQUJEMVIKWQAEH-UHFFFAOYSA-N 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical compound [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 description 1
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- MDDPTCUZZASZIQ-UHFFFAOYSA-N tris[(2-methylpropan-2-yl)oxy]alumane Chemical compound [Al+3].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-] MDDPTCUZZASZIQ-UHFFFAOYSA-N 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 150000003658 tungsten compounds Chemical class 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/478—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on aluminium titanates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
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- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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Definitions
- the present invention relates to a high-strength aluminum titanate ceramic.
- Aluminum titanate-based ceramics include titanium and aluminum as constituent elements, and have a crystal pattern of aluminum titanate in an X-ray diffraction spectrum, and are known as ceramics having excellent heat resistance (for example, non- Patent Document 1) has been conventionally used as a sintering jig such as a crucible.
- industrial utility value is increasing as a material constituting a ceramic filter for collecting fine carbon particles contained in exhaust gas discharged from an internal combustion engine such as a diesel engine.
- an aluminum titanate ceramic there is known a method of firing a powdery raw material mixture containing a titanium source such as titania and an aluminum source such as alumina (for example, Patent Document 1).
- An object of the present invention is to provide an aluminum titanate ceramic that exhibits good mechanical strength.
- the present invention relates to an aluminum titanate obtained by firing a raw material mixture containing one or more titanium elements, one or more aluminum elements, and further containing one or more chromium elements and / or one or more tungsten elements. Ceramics.
- the content of the chromium source including the chromium element is preferably 0.001 to 5 parts by mass with respect to 100 parts by mass of the raw material mixture, and the content of the tungsten source including the tungsten element is preferably the raw material mixture.
- the amount is preferably 0.001 to 1.0 part by mass with respect to 100 parts by mass.
- the aluminum titanate-based ceramic of the present invention preferably contains a magnesium element and / or a silicon element.
- Aluminum titanate-based ceramics of the present invention the compositional formula [Mg x Al 2 (1- x) Ti (1 + x) O 5]; aluminum magnesium titanate represented by (wherein 0 ⁇ x ⁇ 1)
- the value of x is preferably 0.01 to 0.7.
- the aluminum titanate-based ceramic of the present invention is preferably obtained by firing at a temperature of 1300 to 1650 ° C., and is preferably a molded body.
- a chromium source containing a chromium element 0.001 to 5 parts by mass of a chromium source containing a chromium element and / or 0.001 to 1 of a tungsten source containing a tungsten element with respect to a total mass of 100 parts by mass of a raw material mixture.
- a tungsten source containing a tungsten element By containing 0.0 part by mass, it has good mechanical strength.
- the aluminum titanate-based ceramic of the present invention contains at least a titanium element and an aluminum element, and usually contains 0.001 to 5 parts by mass of a chromium source containing chromium element and / or a tungsten element with respect to 100 parts by mass of the raw material mixture. It contains 0.001 to 1.0 part by weight of the tungsten source. By containing such a range amount of the metal, an aluminum titanate ceramic having excellent mechanical strength can be obtained.
- the content of the chromium source containing chromium element is usually 0.001 to 5 parts by mass, and more preferably 0.005 to 3.0 parts by mass with respect to 100 parts by mass of the total mass of the raw material mixture.
- the content of the tungsten source containing tungsten element is usually 0.001 to 1.0 part by mass, more preferably 0.005 to 0.8 part by mass with respect to 100 parts by mass of the total mass of the raw material mixture.
- the raw material mixture is not only a metal raw material (that is, a raw material containing a titanium element, an aluminum element, a chromium element, a tungsten element, a magnesium element, and a silicon element) but also an additive such as a pore forming agent (in addition to the pore forming agent).
- a mixture of all raw materials including, for example, grinding aids, peptizers, solvents, dispersants, binders, lubricants, plasticizers, and the like.
- the aluminum titanate ceramic of the present invention further contains a magnesium element.
- the aluminum titanate-based ceramic of the present invention is an aluminum titanate represented by a composition formula [Mg x Al 2 (1-x) Ti (1 + x) O 5 ] (where 0 ⁇ x ⁇ 1). It is preferable to contain magnesium. In the formula, the value of x is preferably 0.01 or more, more preferably 0.01 or more and 0.7 or less, and most preferably 0.02 or more and 0.5 or less.
- the aluminum titanate-based ceramic of the present invention preferably further contains silicon.
- the aluminum titanate-based ceramics (powder or molded body) of the present invention includes a crystal pattern of aluminum titanate in the X-ray diffraction spectrum, but also includes a crystal pattern of silica, alumina, titania, etc. Also good.
- the ceramic of the present invention can be obtained by firing raw materials containing a titanium source, an aluminum source, and a chromium source and / or a tungsten source.
- titanium source contains titanium element and is not particularly limited as long as it is a raw material capable of synthesizing an aluminum titanate-based ceramic by being fired together with an aluminum source, but is preferably titanium oxide.
- titanium oxide include titanium (IV) oxide, titanium (III) oxide, and titanium (II) oxide, and titanium (IV) oxide is preferably used.
- Titanium oxide (IV) may be crystalline or amorphous. When titanium (IV) oxide is crystalline, examples of the crystal form include anatase, rutile, and brookite, and more preferred are anatase and rutile.
- titanium source a material that is led to titania (titanium oxide) by firing it in air can also be used.
- examples of such substances include titanium salts, titanium alkoxides, titanium hydroxide, titanium nitride, titanium sulfide, and titanium.
- Specific examples of the titanium salt include titanium trichloride, titanium tetrachloride, titanium (IV) sulfide, titanium sulfide (VI), titanium sulfate (IV), and the like.
- titanium alkoxides include titanium (IV) ethoxide, titanium (IV) methoxide, titanium (IV) t-butoxide, titanium (IV) isobutoxide, titanium (IV) n-propoxide, titanium (IV) tetraiso Examples thereof include propoxide and chelates thereof.
- the titanium source may contain raw materials or inevitable impurities mixed in during the manufacturing process.
- a powdery titanium source powder is usually used as the titanium source.
- the aluminum source is not particularly limited as long as it is a raw material containing an aluminum element and capable of synthesizing an aluminum titanate ceramic by firing together with a titanium source, but is preferably alumina.
- Alumina may be crystalline or amorphous. When alumina is crystalline, examples of the crystal type include ⁇ -type, ⁇ -type, ⁇ -type, ⁇ -type, and the like, preferably ⁇ -type.
- the aluminum source a material that is led to alumina by firing in air can also be used.
- examples of such substances include aluminum salts, aluminum alkoxides, aluminum hydroxides, and aluminum.
- the aluminum salt may be an inorganic salt or an organic salt.
- the inorganic salt include nitrates such as aluminum nitrate and ammonium aluminum nitrate, carbonates such as ammonium aluminum carbonate, and the like.
- the organic salt include aluminum oxalate, aluminum acetate, aluminum stearate, aluminum lactate, and aluminum laurate.
- Examples of the aluminum alkoxide include aluminum isopropoxide, aluminum ethoxide, aluminum sec-butoxide, aluminum tert-butoxide and the like.
- Aluminum hydroxide may be crystalline or amorphous (amorphous).
- amorphous aluminum hydroxide examples include a gibbsite type, a bayerite type, a norosotrandite type, a boehmite type, and a pseudoboehmite type.
- the amorphous aluminum hydroxide include an aluminum hydrolyzate obtained by hydrolyzing an aqueous solution of a water-soluble aluminum compound such as an aluminum salt or an aluminum alkoxide.
- the aluminum source may be derived from raw materials or contain inevitable impurities mixed in during the manufacturing process.
- powdered aluminum source powder is usually used.
- Chrome source a substance containing elemental chromium and not inhibiting the formation of aluminum titanate ceramics by firing can be used.
- chromium iron ore a substance containing elemental chromium and not inhibiting the formation of aluminum titanate ceramics by firing can be used.
- chromium iron ore a substance containing elemental chromium and not inhibiting the formation of aluminum titanate ceramics by firing can be used.
- chromium iron ore, chromium magnesia brick, chromium oxide, chromium salt, chromium complex, or chromium Examples include acid salts.
- Metallic chromium can also be used as a chromium source, and an alloy with iron may be used in addition to a single chromium metal.
- the chromium salt used as the chromium source may be an inorganic salt or an organic salt.
- Inorganic salts include chromium nitrate, ammonium sulfate chromium, potassium chromate, lead chromate, zinc chromate, strontium chromate, and the like.
- the chromium source may be derived from raw materials or contain inevitable impurities mixed in during the manufacturing process.
- a powdered chromium source powder is usually used.
- tungsten source As the tungsten source, a substance that contains tungsten element and does not inhibit the formation of aluminum titanate-based ceramics by firing can be used.
- Tungsten halides such as tungsten chloride, tungsten bromide, and tungsten iodide
- tungstate tungsten trioxide, ammonium paratungstate, tungsten carbide, tungsten nitride, and the like.
- Metallic tungsten can also be used as a tungsten source, and an alloy with iron may be used in addition to a single tungsten metal.
- the tungsten source may be derived from raw materials or contain inevitable impurities mixed in during the manufacturing process.
- a powdery tungsten source powder is usually used.
- the ceramic of the present invention may contain a magnesium element. Such ceramics can be obtained by firing a raw material containing a magnesium source.
- the magnesium source is not particularly limited as long as it contains magnesium and does not inhibit the formation of the aluminum titanate ceramics by firing, and preferably is led to the magnesium aluminum titanate together with the titanium source and the aluminum source.
- Examples of the magnesium source include powder containing a substance that is introduced into magnesia by firing in air, such as magnesia (magnesium oxide), and is preferably magnesia.
- Examples of substances introduced to magnesia by firing in air include magnesium salts, magnesium alkoxides, magnesium hydroxide, magnesium nitride, and magnesium metal.
- Specific examples of magnesium salts include magnesium chloride, magnesium perchlorate, magnesium phosphate, magnesium pyrophosphate, magnesium oxalate, magnesium nitrate, magnesium carbonate, magnesium acetate, magnesium sulfate, magnesium citrate, magnesium lactate, and magnesium stearate.
- Specific examples of the magnesium alkoxide include magnesium methoxide and magnesium ethoxide.
- a raw material that also serves as an aluminum source may be used as the magnesium source.
- An example of such a raw material is magnesia spinel (MgAl 2 O 4 ).
- the magnesium source may be derived from raw materials or contain inevitable impurities mixed in during the manufacturing process.
- a powdery magnesium source powder is usually used.
- the ceramic of the present invention may contain a silicon element. Such ceramics can be obtained by firing a raw material containing a silicon source.
- the silicon source is not particularly limited as long as it is a raw material containing an elemental silicon and does not inhibit the production of aluminum titanate ceramics by firing, but is preferably silicon oxide. Examples of silicon oxide include silicon dioxide and silicon monoxide.
- silicon source a substance that is led to silicon oxide (silica) by firing in air can also be used.
- silicon oxide silicon oxide
- examples of such substances include silicic acid, silicon carbide, silicon nitride, silicon sulfide, silicon tetrachloride, silicon acetate, sodium silicate, sodium orthosilicate, feldspar, and glass frit.
- glass frit or the like is preferably used from the viewpoint of being easily available industrially and having a stable component composition.
- Glass frit refers to flakes or powdered glass obtained by pulverizing glass.
- the glass constituting the glass frit include silicate glass and the like, and silicate glass containing general silicic acid (silicon dioxide, SiO 2 ) as a main component (over 50% by mass in all components) is preferably used. It is done.
- silicate glass similarly to general silicate glass, alumina (Al 2 O 3 ), sodium oxide (Na 2 O), potassium oxide (K 2 O), calcium oxide (CaO), Magnesia (MgO) may be included.
- ZrO 2 is preferably contained, and the addition amount is preferably 0.1% by mass or more and 10% by mass or less.
- a raw material that also serves as an aluminum source can be used as the silicon source.
- examples of such raw materials include feldspar.
- the silicon source may be derived from raw materials or contain inevitable impurities mixed in during the manufacturing process. Usually, a powdery silicon source powder is used as the silicon source.
- a method for obtaining the aluminum titanate-based ceramic of the present invention various known methods can be used. For example, titanic acid obtained by mixing the raw material powders and firing the obtained raw material mixture. A method for obtaining aluminum-based ceramics is mentioned. In this case, various known methods can be used as a method of mixing the raw material powders, a method of mixing in a dry atmosphere (dry mixing method), a method of mixing in a wet atmosphere (wet mixing method). Any of these may be used.
- the above raw material powders may be mixed and stirred in a pulverization container without being dispersed in a liquid medium, and stirred in the pulverization container in the presence of pulverization media.
- the raw material powder may be pulverized simultaneously.
- a container made of a metal material such as stainless steel is usually used, and the inner surface may be coated with a fluorine resin, a silicon resin, a urethane resin, or the like.
- the grinding media include alumina beads and zirconia beads having a diameter of 1 mm to 100 mm, preferably 5 mm to 50 mm.
- the raw material powder is pulverized simultaneously with the mixing, for example, the raw material powder is mixed into the pulverization container together with the pulverization medium, and then the pulverization container is vibrated or rotated to simultaneously mix the raw material powder. It is crushed.
- a normal pulverizer such as a vibration mill, a ball mill, a planetary mill, a high-speed rotary pulverizer (pin mill, etc.) can be used, and the implementation on an industrial scale is easy. Therefore, a vibration mill is preferably used.
- the time required for grinding is usually 1 minute to 6 hours, preferably 1.5 minutes to 2 hours.
- additives such as a pulverizing aid and a peptizer may be added.
- a raw material powder such as a silicon source powder may be mixed with another raw material powder in a state of being dispersed in a solvent.
- a solvent for example, a solvent for a raw material powder.
- a dispersing agent may be added to the solvent during wet mixing.
- the dispersant include inorganic acids such as nitric acid, hydrochloric acid and sulfuric acid, organic acids such as oxalic acid, citric acid, acetic acid, malic acid and lactic acid, alcohols such as methanol, ethanol and propanol, and interfaces such as ammonium polycarboxylate.
- inorganic acids such as nitric acid, hydrochloric acid and sulfuric acid
- organic acids such as oxalic acid, citric acid, acetic acid, malic acid and lactic acid
- alcohols such as methanol, ethanol and propanol
- interfaces such as ammonium polycarboxylate.
- An active agent etc. are mentioned.
- a pulverizer such as a medium stirring mill, a ball mill, or a vibration mill.
- examples of the wet mixing method include a method of performing only a stirring process in a normal liquid solvent.
- the liquid solvent for example, monools (methanol, ethanol, butanol, propanol, etc.), alcohols such as glycols (propylene glycol, polypropylene glycol, ethylene glycol, etc.) or ion-exchanged water can be used. Ion exchange water is preferable.
- the raw material powder may be simultaneously pulverized by stirring in a pulverization container in the presence of pulverization media.
- the grinding may be performed by vibrating or rotating the grinding container.
- additives such as a pulverizing aid and a peptizer may be added separately from the pulverizing media. After mixing in a wet atmosphere as described above, the mixture of raw materials can be obtained by removing the solvent.
- the powdery raw material mixture obtained as described above may be fired as it is in a powder form, and then formed into a molded body, or fired after the raw material mixture is molded. May be.
- a molded body may be obtained after firing the powdery raw material mixture, and the molded body may be further fired.
- Calcination temperature is usually 1300 ° C. or higher, preferably 1400 ° C. or higher, and is usually 1650 ° C. or lower, preferably 1550 ° C. or lower.
- the rate of temperature rise to the firing temperature is not particularly limited, but is usually 1 ° C./hour to 500 ° C./hour. Moreover, you may provide the process hold
- the rate of temperature decrease to room temperature is not particularly limited, but is usually 1 ° C./hour to 500 ° C./hour.
- Firing is usually performed in the atmosphere, but depending on the type and amount ratio of raw material powders used (ie, titanium source powder, aluminum source powder, chromium source powder, tungsten source powder, magnesium source powder, and silicon source powder). May be fired in an inert gas such as nitrogen gas or argon gas, or may be fired in a reducing gas such as carbon monoxide gas or hydrogen gas. Further, the firing may be performed by lowering the water vapor partial pressure in the atmosphere.
- raw material powders used ie, titanium source powder, aluminum source powder, chromium source powder, tungsten source powder, magnesium source powder, and silicon source powder.
- Calcination is usually performed using a normal firing furnace such as a tubular electric furnace, a box-type electric furnace, a tunnel furnace, a far-infrared furnace, a microwave heating furnace, a shaft furnace, a reflection furnace, a rotary furnace, or a roller hearth furnace. Firing may be performed batchwise or continuously. Moreover, you may carry out by a stationary type and may carry out by a fluid type.
- a normal firing furnace such as a tubular electric furnace, a box-type electric furnace, a tunnel furnace, a far-infrared furnace, a microwave heating furnace, a shaft furnace, a reflection furnace, a rotary furnace, or a roller hearth furnace.
- Firing may be performed batchwise or continuously.
- you may carry out by a stationary type and may carry out by a fluid type.
- the time required for firing is sufficient as long as the raw material mixture transitions to the aluminum titanate-based ceramics, and varies depending on the amount of the raw material mixture, the type of firing furnace, firing temperature, firing atmosphere, etc. Min to 24 hours.
- an aluminum titanate ceramic powder can be obtained by further crushing the fired product. Crushing can be performed using a normal crusher such as hand crushing, mortar, ball mill, vibration mill, planetary mill, medium stirring mill, pin mill, jet mill, hammer mill, roll mill, and the like.
- the aluminum titanate ceramic powder obtained by crushing may be classified by a usual method.
- the target aluminum titanate ceramic can be obtained by the above-described method.
- the aluminum titanate-based ceramic of the present invention may be formed into a molded body by a commonly used molding method before firing.
- the molding method include uniaxial molding and extrusion molding.
- the molding machine used for molding include a uniaxial press, an extrusion molding machine, a tableting machine and a granulator.
- the raw material mixture can be molded by adding a pore-forming agent, a binder, a lubricant, a plasticizer, a dispersant, a solvent, and the like.
- a pore-forming agent include carbon materials such as graphite, resins such as polyethylene, polypropylene and polymethyl methacrylate, plant materials such as starch, nut shells, walnut shells and corn, ice or dry ice, and the like.
- Binders include celluloses such as methyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, alcohols such as polyvinyl alcohol, salts such as lignin sulfonate, waxes such as paraffin wax and microcrystalline wax, EVA, polyethylene, polystyrene, liquid crystal polymer And thermoplastic resins such as engineering plastics.
- lubricants and plasticizers include alcohols such as glycerin, caprylic acid, lauric acid, palmitic acid, higher fatty acids such as alginate, oleic acid and stearic acid, and stearic acid metal salts such as aluminum stearate.
- water such as ion-exchanged water is usually used, and it is preferable to use ion-exchanged water whose temperature is adjusted.
- Some substances may serve as both a pore-forming agent and a binder. Examples of such a substance include a substance that can adhere particles to each other at the time of molding to keep the molded body, and can burn itself to form pores at the time of subsequent firing. Examples include polyethylene.
- the shape of the molded body obtained by molding the raw material mixture is not particularly limited, and examples thereof include a honeycomb structure, a spherical structure, a cubic structure, a rectangular block structure, and the like. It is preferable that it is a body.
- metal pieces such as stainless steel may be mixed into the raw material and the molded body from the surface of the extrusion molding device due to metal wear accompanying kneading of the raw material mixture.
- Example 1 The following were used as the raw material powder.
- the “mass part” of each component is a value when the total amount of the raw material powder is 100 parts by mass.
- ⁇ Raw material powder > (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 23 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 39 parts by mass (3) Chromium source powder Chromium nitrate 2 parts by mass (4) Magnesium source Powder Magnesia spinel powder 15 parts by mass (5) Silicon source powder Glass frit (“CK0832” manufactured by Takara Standard) 3 parts by mass (6) Additives Polyethylene powder 9 parts by mass Methylcellulose-based powder 9 parts by mass
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- Example 2 The following were used as the raw material powder.
- the “mass part” of each component is a value when the total amount of the raw material powder is 100 parts by mass.
- ⁇ Raw material powder (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 24 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 40 parts by mass (3) Tungsten source powder Tungsten oxide 0.4 parts by mass (4) Magnesium source powder Magnesia spinel powder 15 parts by mass (5) Silicon source powder Glass frit ("CK0832" manufactured by Takara Standard) 3.2 parts by mass (6) Additives Polyethylene powder 9.1 parts by mass Methylcellulose-based powder 8.9 parts by mass
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- ⁇ Raw material powder (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 23 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 39 parts by mass (3) Cobalt compound Cobalt nitrate 2 parts by mass (4) Magnesium source powder Magnesia spinel powder 15 parts by mass (5) Silicon source powder Glass frit (“CK0832” manufactured by Takara Standard) 3 parts by mass (6) Additives Polyethylene powder 9 parts by mass Methylcellulose-based powder 9 parts by mass
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- ⁇ Raw material powder (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 23 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 39 parts by mass (3) Nickel compound Nickel nitrate 2 parts by mass (4) Magnesium source powder Magnesia spinel powder 15 parts by mass (5) Silicon source powder Glass frit (“CK0832” manufactured by Takara Standard) 3 parts by mass (6) Additives Polyethylene powder 9 parts by mass Methylcellulose-based powder 9 parts by mass
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- 2 g of the raw material mixture obtained in this example was molded with a uniaxial press under a pressure of 0.3 t / cm 2 to obtain a molded body having a length of about 50 mm, a width of about 4 mm, and a thickness of about 3 mm.
- this compact was fired in a box-type electric furnace at a heating rate of 300 ° C./h for 4 hours at 1450 ° C. to obtain an aluminum titanate ceramic compact. Then, it was made to cool to room temperature with the temperature-fall rate of 300 degrees C / h, and the aluminum titanate ceramic compact was taken out from the electric furnace.
- ⁇ Raw material powder > (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 24 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 40 parts by mass (3) Magnesium source powder Magnesia spinel powder 15 parts by mass (4) Silicon Source powder Glass frit ("CK0832" manufactured by Takara Standard) 3.2 parts by mass (5) Additives Polyethylene powder 9.1 parts by mass Methylcellulose-based powder 8.9 parts by mass
- Aluminum source powder, titanium source powder, magnesium source powder and silicon source powder (total amount 100 g) and additive (total amount 120 g) are put into a plastic container [internal volume 1 L] together with 500 g of alumina beads [diameter 15 mm]. did. Then, the raw material in a container was mixed by rotating a container for 4 hours with the rotation speed of 80 rpm with a ball mill, and the raw material mixture was obtained. 5 g of the obtained raw material mixture is put in an alumina crucible and heated to a maximum temperature of 1450 ° C. at a rate of temperature increase of 300 ° C./h over a period of 10 to 250 hours in the atmosphere. It was fired in an electric furnace for 4 hours, and then cooled to room temperature at a temperature drop rate of 300 ° C./h to obtain an aluminum titanate-based ceramic of the present invention.
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- ⁇ Raw material powder > (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 23 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 39 parts by mass (3) Tungsten source powder Tungsten oxide 2 parts by mass (4) Magnesium source Powder Magnesia spinel powder 15 parts by mass (5) Silicon source powder Glass frit (“CK0832” manufactured by Takara Standard) 3 parts by mass (6) Additives Polyethylene powder 9 parts by mass Methylcellulose-based powder 9 parts by mass
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- ⁇ Raw material powder > (1) Aluminum source powder Aluminum oxide powder (corundum type crystal) 23 parts by mass (2) Titanium source powder Titanium oxide powder (rutile type crystal) 39 parts by mass (3) Manganese compound 2 parts by mass of manganese oxide (4) Magnesium source powder Magnesia spinel powder 15 parts by mass (5) Silicon source powder Glass frit (“CK0832” manufactured by Takara Standard) 3 parts by mass (6) Additives Polyethylene powder 9 parts by mass Methylcellulose-based powder 9 parts by mass
- this powder When a diffraction spectrum of this powder was obtained by a powder X-ray diffraction method, this powder showed a crystal peak of aluminum magnesium titanate. The AT conversion rate of this powder was determined to be 100%.
- the aluminum titanate ceramics obtained in Example 1 have higher mechanical strength than Comparative Examples 1 to 3.
- Example 2 The aluminum titanate ceramics obtained in Example 2 have higher mechanical strength than Comparative Examples 4-5.
- the aluminum titanate-based ceramics of the present invention include, for example, firing furnace jigs such as crucibles, setters, mortars, and furnace materials; exhaust gas filters and catalyst carriers used for exhaust gas purification of internal combustion engines such as diesel engines and gasoline engines; A filter used for filtering food and drink such as beer; a ceramic filter such as a selective permeation filter for selectively permeating gas components generated during petroleum refining, such as carbon monoxide, carbon dioxide, nitrogen, and oxygen; a substrate; Used for electronic parts such as capacitors.
- firing furnace jigs such as crucibles, setters, mortars, and furnace materials
- exhaust gas filters and catalyst carriers used for exhaust gas purification of internal combustion engines such as diesel engines and gasoline engines
- a filter used for filtering food and drink such as beer
- a ceramic filter such as a selective permeation filter for selectively permeating gas components generated during petroleum refining, such as carbon monoxide, carbon dioxide, nitrogen, and oxygen
- a substrate Used for electronic parts such as capacitor
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Abstract
Description
チタニウム源はチタン元素を含有し、アルミニウム源と共に焼成されることによりチタン酸アルミニウム系セラミックスを合成できる原材料であれば特に限定されないが、好ましくは酸化チタンである。酸化チタンとしては、例えば、酸化チタン(IV)、酸化チタン(III)、酸化チタン(II)などが挙げられ、酸化チタン(IV)が好ましく用いられる。酸化チタン(IV)は結晶性であってもよく、アモルファスであってもよい。酸化チタン(IV)が結晶性である場合その結晶型としては、アナターゼ型、ルチル型、ブルッカイト型などが挙げられ、より好ましくはアナターゼ型、ルチル型である。
アルミニウム源は、アルミニウム元素を含有しチタニウム源と共に焼成することによりチタン酸アルミニウム系セラミックスを合成できる原材料であれば特に限定されないが、好ましくはアルミナである。アルミナは結晶性であってもよく、アモルファスであってもよい。アルミナが結晶性である場合、その結晶型としては、γ型、δ型、θ型、α型などが挙げられ、好ましくはα型である。
クロム源としては、クロム元素を含有し、焼成によるチタン酸アルミニウム系セラミックスの生成を阻害しない物質を用いることができ、例えば、クロム鉄鉱、クロムマグネシアれんが、酸化クロム、クロム塩、クロム錯体、あるいはクロム酸塩等が挙げられる。
タングステン源としては、タングステン元素を含有し、焼成によるチタン酸アルミニウム系セラミックスの生成を阻害しない物質を用いることができ、例えば、灰重石、鉄マンガン重石等の鉱物、タングステン錯体、タングステン化合物、タングステン塩(塩化タングステン、臭化タングステン、ヨウ化タングステン等のハロゲン化タングステン等)、タングステン酸塩、三酸化タングステン、パラタングステン酸アンモニウム、炭化タングステン、窒化タングステンなどが挙げられる。
本発明のセラミックスはマグネシウム元素を含んでいてもよい。このようなセラミックスは、マグネシウム源を含む原材料を焼成することにより得ることができる。マグネシウム源は、マグネシウムを含有し焼成によるチタン酸アルミニウム系セラミックスの生成を阻害しないもの、好ましくはチタニウム源およびアルミニウム源と共にチタン酸アルミニウムマグネシウムに導かれるものであれば特に限定されない。マグネシウム源としては例えば、マグネシア(酸化マグネシウム)などのような、空気中で焼成することによりマグネシアに導かれる物質を含む粉末が挙げられ、好ましくはマグネシアである。
本発明のセラミックスはケイ素元素を含んでいてもよい。このようなセラミックスは、ケイ素源を含む原材料を焼成することにより得ることができる。ケイ素源は、ケイ素元素を含有し焼成によるチタン酸アルミニウム系セラミックスの生成を阻害しない原材料であれば特に限定されないが、好ましくは酸化ケイ素である。酸化ケイ素としては、二酸化ケイ素、一酸化ケイ素などが挙げられる。
本発明のチタン酸アルミニウム系セラミックスを得るための方法としては、種々公知の方法を用いることができ、例えば、上記各原材料の粉末を混合し、得られた原材料混合物を焼成することにより得るチタン酸アルミニウム系セラミックスを得る方法が挙げられる。この場合、各原材料の粉末を混合する方法としても、種々公知の方法を用いることができ、乾式雰囲気にて混合を行なう方法(乾式混合法)、湿式雰囲気で混合を行なう方法(湿式混合法)のいずれを用いてもよい。
乾式雰囲気で混合する場合は、例えば、上記の各原材料粉末を混合し、液体媒体中に分散させること無く、粉砕容器内で撹拌すればよく、粉砕メディアの共存下に粉砕容器内で撹拌することによって原材料粉末の粉砕を同時に行なってもよい。
本発明の製造方法においては、上述のようにして得られた粉末状の原材料混合物に対して、粉末状のままで焼成を行なってから成形体としてもよく、原材料混合物を成形した後に焼成を行なってもよい。また、粉末状の原材料混合物を焼成した後に成形体を得て、さらに該成形体を焼成してもよい。
本発明のチタン酸アルミニウム系セラミックスは、焼成前に、通常用いられる成形方法により成形体とされていてもよい。成形方法としては、たとえば、一軸成形や押し出し成形などが挙げられる。成形に用いる成形機としては、一軸プレス、押出成形機、打錠機造粒機などが挙げられる。
各実施例、比較例で得られるチタン酸アルミニウム系セラミックス中のチタン酸アルミニウム(マグネシウム)化率(以下「AT化率」という。)は、粉末X線回折スペクトルにおける2θ=27.4°の位置に現れるピーク[チタニア・ルチル相面に帰属される]の積分強度(IT)と、2θ=33.7°の位置に現れるピーク[チタン酸アルミニウム相面およびチタン酸アルミニウムマグネシウム相面に帰属される]の積分強度[IAT]とから、式(3):
AT化率(%)=100×IAT/(IAT+IT) ・・・(3)
により算出した。
各実施例、比較例で得られるチタン酸アルミニウム系セラミックス成形体(原材料混合物の成形体を焼成したもの)の機械的強度(三点曲げ強度)は、JIS R 1601に準じる方法で測定した。
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 23質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 39質量部
(3)クロム源粉末
硝酸クロム 2質量部
(4)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(5)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3質量部
(6)添加剤
ポリエチレン粉末 9質量部
メチルセルロース系粉末 9質量部
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 24質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 40質量部
(3)タングステン源粉末
酸化タングステン 0.4質量部
(4)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(5)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3.2質量部
(6)添加剤
ポリエチレン粉末 9.1質量部
メチルセルロース系粉末 8.9質量部
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 23質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 39質量部
(3)コバルト化合物
硝酸コバルト 2質量部
(4)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(5)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3質量部
(6)添加剤
ポリエチレン粉末 9質量部
メチルセルロース系粉末 9質量部
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 23質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 39質量部
(3)ニッケル化合物
硝酸ニッケル 2質量部
(4)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(5)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3質量部
(6)添加剤
ポリエチレン粉末 9質量部
メチルセルロース系粉末 9質量部
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 24質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 40質量部
(3)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(4)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3.2質量部
(5)添加剤
ポリエチレン粉末 9.1質量部
メチルセルロース系粉末 8.9質量部
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 23質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 39質量部
(3)タングステン源粉末
酸化タングステン 2質量部
(4)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(5)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3質量部
(6)添加剤
ポリエチレン粉末 9質量部
メチルセルロース系粉末 9質量部
原料粉末として以下のものを用いた。各成分の「質量部」は、原料粉末の合計量を100質量部としたときの値である。
(1)アルミニウム源粉末
酸化アルミニウム粉末(コランダム型結晶) 23質量部
(2)チタニウム源粉末
酸化チタン粉末(ルチル型結晶) 39質量部
(3)マンガン化合物
酸化マンガン 2質量部
(4)マグネシウム源粉末
マグネシアスピネル粉末 15質量部
(5)ケイ素源粉末
ガラスフリット(タカラスタンダード社製「CK0832」)
3質量部
(6)添加剤
ポリエチレン粉末 9質量部
メチルセルロース系粉末 9質量部
Claims (9)
- チタニウム元素、アルミニウム元素を含有し、
さらにクロム元素および/またはタングステン元素を含む原材料混合物を焼成して得られるチタン酸アルミニウム系セラミックス。 - 前記クロム元素を含むクロム源の含有量が、前記原材料混合物100質量部に対して0.001~5質量部である、請求項1に記載のチタン酸アルミニウム系セラミックス。
- 前記タングステン元素を含むタングステン源の含有量が、前記原材料混合物100質量部に対して0.001~1.0質量部である、請求項1に記載のチタン酸アルミニウム系セラミックス。
- さらに、マグネシウム元素を含む、請求項1に記載のチタン酸アルミニウム系セラミックス。
- さらに、ケイ素元素を含む、請求項1に記載のチタン酸アルミニウム系セラミックス。
- 組成式[MgxAl2(1-x)Ti(1+x)O5](式中;0<x<1)で表されるチタン酸アルミニウムマグネシウムを含む、請求項4に記載のチタン酸アルミニウム系セラミックス。
- 前記xの値が0.01~0.7である請求項6に記載のチタン酸アルミニウム系セラミックス。
- 1300~1650℃の温度で焼成されることにより得られる、請求項1に記載のチタン酸アルミニウム系セラミックス。
- 成形体である、請求項1に記載のチタン酸アルミニウム系セラミックス。
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EP10743742A EP2399878A4 (en) | 2009-02-17 | 2010-02-16 | CERAMICS ON ALUMINUM TITANATE BASIS |
US13/201,564 US8853114B2 (en) | 2009-02-17 | 2010-02-16 | Aluminum titanate-based ceramics |
CN201080008085.8A CN102317232B (zh) | 2009-02-17 | 2010-02-16 | 钛酸铝系陶瓷 |
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CN103073284A (zh) * | 2011-11-21 | 2013-05-01 | 常熟市创新陶瓷有限公司 | 一种氧化钛陶瓷及其制备方法 |
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JPH01115867A (ja) * | 1987-10-28 | 1989-05-09 | Toshiba Corp | セラミックス焼結体およびその製造方法 |
JPH02137768A (ja) * | 1988-11-17 | 1990-05-28 | Toyota Motor Corp | チタン酸アルミニウム質焼結体の製造方法 |
JPH04317462A (ja) * | 1991-04-16 | 1992-11-09 | Isuzu Motors Ltd | 低熱膨張セラミックス材料及びその製造法 |
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US4556098A (en) | 1978-08-18 | 1985-12-03 | Laboratoire Suisse De Recherches Horlogeres | Hot chamber die casting of aluminum and its alloys |
JP2828986B2 (ja) * | 1988-03-31 | 1998-11-25 | 株式会社東芝 | セラミックス焼結体 |
JPH0226688A (ja) | 1988-07-12 | 1990-01-29 | Hitachi Plant Eng & Constr Co Ltd | 清掃ロボット |
CN1101359C (zh) * | 2000-10-24 | 2003-02-12 | 浙江大学 | 微波介质陶瓷 |
CN1133603C (zh) * | 2001-11-07 | 2004-01-07 | 华中科技大学 | 复合金属陶瓷及其制备方法 |
US7166552B2 (en) * | 2002-11-01 | 2007-01-23 | Ohcera Co. Ltd. | Method for producing aluminum magnesium titanate sintered product |
US20060021308A1 (en) * | 2004-07-29 | 2006-02-02 | Merkel Gregory A | Mullite-aluminum titanate body and method for making same |
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2009
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- 2009-12-25 JP JP2009294751A patent/JP2010215489A/ja active Pending
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- 2010-02-16 KR KR1020117017004A patent/KR20110127128A/ko active IP Right Grant
- 2010-02-16 WO PCT/JP2010/052282 patent/WO2010095616A1/ja active Application Filing
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- 2010-02-16 EP EP10743742A patent/EP2399878A4/en not_active Withdrawn
- 2010-02-22 TW TW99105079A patent/TW201100352A/zh unknown
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JPH01115867A (ja) * | 1987-10-28 | 1989-05-09 | Toshiba Corp | セラミックス焼結体およびその製造方法 |
JPH02137768A (ja) * | 1988-11-17 | 1990-05-28 | Toyota Motor Corp | チタン酸アルミニウム質焼結体の製造方法 |
JPH04317462A (ja) * | 1991-04-16 | 1992-11-09 | Isuzu Motors Ltd | 低熱膨張セラミックス材料及びその製造法 |
WO2005105704A1 (ja) | 2004-04-28 | 2005-11-10 | Ohcera Co., Ltd. | チタン酸アルミニウムマグネシウム結晶構造物及びその製造方法 |
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See also references of EP2399878A4 * |
Cited By (2)
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CN103073283A (zh) * | 2011-11-18 | 2013-05-01 | 常熟市创新陶瓷有限公司 | 一种氧化钛陶瓷及其制备方法 |
CN103073284A (zh) * | 2011-11-21 | 2013-05-01 | 常熟市创新陶瓷有限公司 | 一种氧化钛陶瓷及其制备方法 |
Also Published As
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TW201100352A (en) | 2011-01-01 |
US8853114B2 (en) | 2014-10-07 |
JP2010215489A (ja) | 2010-09-30 |
CN102317232B (zh) | 2014-02-26 |
EP2399878A4 (en) | 2012-08-01 |
EP2399878A1 (en) | 2011-12-28 |
CN102317232A (zh) | 2012-01-11 |
KR20110127128A (ko) | 2011-11-24 |
US20120094824A1 (en) | 2012-04-19 |
JP2010215488A (ja) | 2010-09-30 |
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