WO2012023517A1 - ポリビニルアセタール樹脂、そのスラリー組成物、セラミックグリーンシート及び積層セラミックコンデンサ - Google Patents
ポリビニルアセタール樹脂、そのスラリー組成物、セラミックグリーンシート及び積層セラミックコンデンサ Download PDFInfo
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- WO2012023517A1 WO2012023517A1 PCT/JP2011/068459 JP2011068459W WO2012023517A1 WO 2012023517 A1 WO2012023517 A1 WO 2012023517A1 JP 2011068459 W JP2011068459 W JP 2011068459W WO 2012023517 A1 WO2012023517 A1 WO 2012023517A1
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- WIPO (PCT)
- Prior art keywords
- polyvinyl acetal
- acetal resin
- mol
- content
- degree
- Prior art date
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- 229920002554 vinyl polymer Polymers 0.000 title claims abstract description 129
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 239000011354 acetal resin Substances 0.000 title claims abstract description 123
- 229920006324 polyoxymethylene Polymers 0.000 title claims abstract description 123
- 239000000919 ceramic Substances 0.000 title claims abstract description 86
- 239000000203 mixture Substances 0.000 title claims description 59
- 239000002002 slurry Substances 0.000 title claims description 56
- 239000003985 ceramic capacitor Substances 0.000 title claims description 15
- 238000006359 acetalization reaction Methods 0.000 claims abstract description 43
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 41
- 229920001567 vinyl ester resin Polymers 0.000 claims abstract description 41
- 239000000126 substance Substances 0.000 claims abstract description 23
- 125000004185 ester group Chemical group 0.000 claims abstract 2
- YGHRJJRRZDOVPD-UHFFFAOYSA-N 3-methylbutanal Chemical compound CC(C)CC=O YGHRJJRRZDOVPD-UHFFFAOYSA-N 0.000 claims description 86
- 229920005989 resin Polymers 0.000 claims description 55
- 239000011347 resin Substances 0.000 claims description 55
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 46
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 46
- 150000001299 aldehydes Chemical class 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 27
- 239000003960 organic solvent Substances 0.000 claims description 23
- 230000032798 delamination Effects 0.000 abstract description 16
- 238000003860 storage Methods 0.000 abstract description 12
- 238000005238 degreasing Methods 0.000 abstract description 11
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 53
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 39
- 150000002148 esters Chemical group 0.000 description 35
- -1 polyethylene terephthalate Polymers 0.000 description 32
- 150000003839 salts Chemical class 0.000 description 23
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 22
- 239000011230 binding agent Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 22
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 20
- 238000007127 saponification reaction Methods 0.000 description 17
- 150000003863 ammonium salts Chemical class 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- 229910052751 metal Chemical class 0.000 description 14
- 239000002184 metal Chemical class 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000004014 plasticizer Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 230000009477 glass transition Effects 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000004711 α-olefin Substances 0.000 description 6
- 239000003377 acid catalyst Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N Glycolaldehyde Chemical compound OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 125000003172 aldehyde group Chemical group 0.000 description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
- 239000012461 cellulose resin Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 4
- DTUQWGWMVIHBKE-UHFFFAOYSA-N phenylacetaldehyde Chemical compound O=CCC1=CC=CC=C1 DTUQWGWMVIHBKE-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000001431 2-methylbenzaldehyde Substances 0.000 description 3
- YGCZTXZTJXYWCO-UHFFFAOYSA-N 3-phenylpropanal Chemical compound O=CCCC1=CC=CC=C1 YGCZTXZTJXYWCO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001241 acetals Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- SAOKZLXYCUGLFA-UHFFFAOYSA-N bis(2-ethylhexyl) adipate Chemical compound CCCCC(CC)COC(=O)CCCCC(=O)OCC(CC)CCCC SAOKZLXYCUGLFA-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- BTFQKIATRPGRBS-UHFFFAOYSA-N o-tolualdehyde Chemical compound CC1=CC=CC=C1C=O BTFQKIATRPGRBS-UHFFFAOYSA-N 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical compound CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 2
- FJJYHTVHBVXEEQ-UHFFFAOYSA-N 2,2-dimethylpropanal Chemical compound CC(C)(C)C=O FJJYHTVHBVXEEQ-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- NMPVEAUIHMEAQP-UHFFFAOYSA-N 2-Bromoacetaldehyde Chemical compound BrCC=O NMPVEAUIHMEAQP-UHFFFAOYSA-N 0.000 description 2
- LGYNIFWIKSEESD-UHFFFAOYSA-N 2-ethylhexanal Chemical compound CCCCC(CC)C=O LGYNIFWIKSEESD-UHFFFAOYSA-N 0.000 description 2
- IAVREABSGIHHMO-UHFFFAOYSA-N 3-hydroxybenzaldehyde Chemical compound OC1=CC=CC(C=O)=C1 IAVREABSGIHHMO-UHFFFAOYSA-N 0.000 description 2
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical class OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- RGHHSNMVTDWUBI-UHFFFAOYSA-N 4-hydroxybenzaldehyde Chemical compound OC1=CC=C(C=O)C=C1 RGHHSNMVTDWUBI-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- KCXZNSGUUQJJTR-UHFFFAOYSA-N Di-n-hexyl phthalate Chemical compound CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCC KCXZNSGUUQJJTR-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- UUIQMZJEGPQKFD-UHFFFAOYSA-N Methyl butyrate Chemical compound CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- WTWBUQJHJGUZCY-UHFFFAOYSA-N cuminaldehyde Chemical compound CC(C)C1=CC=C(C=O)C=C1 WTWBUQJHJGUZCY-UHFFFAOYSA-N 0.000 description 2
- KSMVZQYAVGTKIV-UHFFFAOYSA-N decanal Chemical compound CCCCCCCCCC=O KSMVZQYAVGTKIV-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- QWHNJUXXYKPLQM-UHFFFAOYSA-N dimethyl cyclopentane Natural products CC1(C)CCCC1 QWHNJUXXYKPLQM-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- HFJRKMMYBMWEAD-UHFFFAOYSA-N dodecanal Chemical compound CCCCCCCCCCCC=O HFJRKMMYBMWEAD-UHFFFAOYSA-N 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- OBNCKNCVKJNDBV-UHFFFAOYSA-N ethyl butyrate Chemical compound CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 2
- SHZIWNPUGXLXDT-UHFFFAOYSA-N ethyl hexanoate Chemical compound CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical class OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 2
- FXHGMKSSBGDXIY-UHFFFAOYSA-N heptanal Chemical compound CCCCCCC=O FXHGMKSSBGDXIY-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- BSABBBMNWQWLLU-UHFFFAOYSA-N hydroxypropionaldehyde Natural products CC(O)C=O BSABBBMNWQWLLU-UHFFFAOYSA-N 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
- NUKZAGXMHTUAFE-UHFFFAOYSA-N methyl hexanoate Chemical compound CCCCCC(=O)OC NUKZAGXMHTUAFE-UHFFFAOYSA-N 0.000 description 2
- HNBDRPTVWVGKBR-UHFFFAOYSA-N methyl pentanoate Chemical compound CCCCC(=O)OC HNBDRPTVWVGKBR-UHFFFAOYSA-N 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methylcyclopentane Chemical compound CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 2
- GYHFUZHODSMOHU-UHFFFAOYSA-N nonanal Chemical compound CCCCCCCCC=O GYHFUZHODSMOHU-UHFFFAOYSA-N 0.000 description 2
- NUJGJRNETVAIRJ-UHFFFAOYSA-N octanal Chemical compound CCCCCCCC=O NUJGJRNETVAIRJ-UHFFFAOYSA-N 0.000 description 2
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
- 229940100595 phenylacetaldehyde Drugs 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- ISAZDYZOHLBJRO-UHFFFAOYSA-N (4-formylphenyl) dihydrogen phosphate Chemical class OP(O)(=O)OC1=CC=C(C=O)C=C1 ISAZDYZOHLBJRO-UHFFFAOYSA-N 0.000 description 1
- VQROQDIDXQDQLG-UHFFFAOYSA-N (4-formylphenyl) hydrogen sulfate Chemical class OS(=O)(=O)OC1=CC=C(C=O)C=C1 VQROQDIDXQDQLG-UHFFFAOYSA-N 0.000 description 1
- KJPRLNWUNMBNBZ-QPJJXVBHSA-N (E)-cinnamaldehyde Chemical compound O=C\C=C\C1=CC=CC=C1 KJPRLNWUNMBNBZ-QPJJXVBHSA-N 0.000 description 1
- WUOACPNHFRMFPN-SECBINFHSA-N (S)-(-)-alpha-terpineol Chemical compound CC1=CC[C@@H](C(C)(C)O)CC1 WUOACPNHFRMFPN-SECBINFHSA-N 0.000 description 1
- LAYAKLSFVAPMEL-UHFFFAOYSA-N 1-ethenoxydodecane Chemical compound CCCCCCCCCCCCOC=C LAYAKLSFVAPMEL-UHFFFAOYSA-N 0.000 description 1
- QJJDJWUCRAPCOL-UHFFFAOYSA-N 1-ethenoxyoctadecane Chemical compound CCCCCCCCCCCCCCCCCCOC=C QJJDJWUCRAPCOL-UHFFFAOYSA-N 0.000 description 1
- OVGRCEFMXPHEBL-UHFFFAOYSA-N 1-ethenoxypropane Chemical compound CCCOC=C OVGRCEFMXPHEBL-UHFFFAOYSA-N 0.000 description 1
- HFZLSTDPRQSZCQ-UHFFFAOYSA-N 1-pyrrolidin-3-ylpyrrolidine Chemical compound C1CCCN1C1CNCC1 HFZLSTDPRQSZCQ-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- IYEVWHMMOAAJEL-UHFFFAOYSA-N 2,3,4-tribromobenzaldehyde Chemical compound BrC1=CC=C(C=O)C(Br)=C1Br IYEVWHMMOAAJEL-UHFFFAOYSA-N 0.000 description 1
- WMOOOIUXYRHDEZ-UHFFFAOYSA-N 2,3,4-trichlorobenzaldehyde Chemical compound ClC1=CC=C(C=O)C(Cl)=C1Cl WMOOOIUXYRHDEZ-UHFFFAOYSA-N 0.000 description 1
- UQEDGFZRPSAHLC-UHFFFAOYSA-N 2,3,4-trifluorobenzaldehyde Chemical compound FC1=CC=C(C=O)C(F)=C1F UQEDGFZRPSAHLC-UHFFFAOYSA-N 0.000 description 1
- GEICDMWIZIQEEI-UHFFFAOYSA-N 2,3-dibromobenzaldehyde Chemical compound BrC1=CC=CC(C=O)=C1Br GEICDMWIZIQEEI-UHFFFAOYSA-N 0.000 description 1
- LLMLNAVBOAMOEE-UHFFFAOYSA-N 2,3-dichlorobenzaldehyde Chemical compound ClC1=CC=CC(C=O)=C1Cl LLMLNAVBOAMOEE-UHFFFAOYSA-N 0.000 description 1
- WDBAXYQUOZDFOJ-UHFFFAOYSA-N 2,3-difluorobenzaldehyde Chemical compound FC1=CC=CC(C=O)=C1F WDBAXYQUOZDFOJ-UHFFFAOYSA-N 0.000 description 1
- IXWOUPGDGMCKGT-UHFFFAOYSA-N 2,3-dihydroxybenzaldehyde Chemical compound OC1=CC=CC(C=O)=C1O IXWOUPGDGMCKGT-UHFFFAOYSA-N 0.000 description 1
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- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- BGEHHAVMRVXCGR-UHFFFAOYSA-N methylundecylketone Natural products CCCCCCCCCCCCC=O BGEHHAVMRVXCGR-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- WFKDPJRCBCBQNT-UHFFFAOYSA-N n,2-dimethylprop-2-enamide Chemical compound CNC(=O)C(C)=C WFKDPJRCBCBQNT-UHFFFAOYSA-N 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- QQGJWWNPACORPU-UHFFFAOYSA-N n,n-dimethylpropan-1-amine;prop-2-enamide Chemical compound NC(=O)C=C.CCCN(C)C QQGJWWNPACORPU-UHFFFAOYSA-N 0.000 description 1
- OMNKZBIFPJNNIO-UHFFFAOYSA-N n-(2-methyl-4-oxopentan-2-yl)prop-2-enamide Chemical compound CC(=O)CC(C)(C)NC(=O)C=C OMNKZBIFPJNNIO-UHFFFAOYSA-N 0.000 description 1
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical group CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- ZIWDVJPPVMGJGR-UHFFFAOYSA-N n-ethyl-2-methylprop-2-enamide Chemical compound CCNC(=O)C(C)=C ZIWDVJPPVMGJGR-UHFFFAOYSA-N 0.000 description 1
- SWPMNMYLORDLJE-UHFFFAOYSA-N n-ethylprop-2-enamide Chemical compound CCNC(=O)C=C SWPMNMYLORDLJE-UHFFFAOYSA-N 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- LIINGNMKNRSOGW-UHFFFAOYSA-N oct-7-enal Chemical compound C=CCCCCCC=O LIINGNMKNRSOGW-UHFFFAOYSA-N 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- FSAJWMJJORKPKS-UHFFFAOYSA-N octadecyl prop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C=C FSAJWMJJORKPKS-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- SQYNKIJPMDEDEG-UHFFFAOYSA-N paraldehyde Chemical compound CC1OC(C)OC(C)O1 SQYNKIJPMDEDEG-UHFFFAOYSA-N 0.000 description 1
- 229960003868 paraldehyde Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- HVAMZGADVCBITI-UHFFFAOYSA-M pent-4-enoate Chemical compound [O-]C(=O)CCC=C HVAMZGADVCBITI-UHFFFAOYSA-M 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- AAYRWMCIKCRHIN-UHFFFAOYSA-N propane-1-sulfonic acid;prop-2-enamide Chemical compound NC(=O)C=C.CCCS(O)(=O)=O AAYRWMCIKCRHIN-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 238000010992 reflux 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
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- ADPUQRRLAAPXGT-UHFFFAOYSA-M sodium;2-formylbenzenesulfonate Chemical class [Na+].[O-]S(=O)(=O)C1=CC=CC=C1C=O ADPUQRRLAAPXGT-UHFFFAOYSA-M 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- UIUJIQZEACWQSV-UHFFFAOYSA-N succinic semialdehyde Chemical class OC(=O)CCC=O UIUJIQZEACWQSV-UHFFFAOYSA-N 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- AHNWPWARKNOJJM-UHFFFAOYSA-M triethyl-(4-formylphenyl)azanium;iodide Chemical compound [I-].CC[N+](CC)(CC)C1=CC=C(C=O)C=C1 AHNWPWARKNOJJM-UHFFFAOYSA-M 0.000 description 1
- KKDKGWUSNRBBQX-UHFFFAOYSA-M trimethyl(3-oxopropyl)azanium iodide Chemical compound [I-].C[N+](C)(C)CCC=O KKDKGWUSNRBBQX-UHFFFAOYSA-M 0.000 description 1
- KOZCZZVUFDCZGG-UHFFFAOYSA-N vinyl benzoate Chemical compound C=COC(=O)C1=CC=CC=C1 KOZCZZVUFDCZGG-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F16/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F16/38—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an acetal or ketal radical
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/468—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 based on barium titanates
- C04B35/4682—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 based on barium titanates based on BaTiO3 perovskite phase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/6342—Polyvinylacetals, e.g. polyvinylbutyral [PVB]
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F116/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F116/02—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an alcohol radical
- C08F116/04—Acyclic compounds
- C08F116/06—Polyvinyl alcohol ; Vinyl alcohol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/38—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an acetal or ketal radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
- C04B2235/3234—Titanates, not containing zirconia
- C04B2235/3236—Alkaline earth titanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
Definitions
- the present invention relates to a polyvinyl acetal resin suitably used as a binder for a ceramic green sheet, a slurry composition using the polyvinyl acetal resin, a ceramic green sheet, a conductive paste, and a multilayer ceramic capacitor.
- a binder composition such as polyvinyl butyral resin and a plasticizer are added to an organic solvent in which ceramic powder is dispersed, and a slurry composition is prepared by uniformly mixing with a ball mill or the like.
- the prepared slurry composition is cast on a releasable support such as a polyethylene terephthalate film, the solvent is distilled off by heating or the like, and then peeled off from the support to obtain a ceramic green sheet.
- a plurality of sheets obtained by alternately applying a conductive paste serving as an internal electrode on the surface of the ceramic green sheet by screen printing or the like are formed into a laminated body by thermocompression bonding or the like, and then cut into a predetermined shape.
- a process of thermally decomposing and removing the binder component and the like contained in the laminate so-called degreasing process
- a process of sintering an external electrode on the end face of the fired ceramic product obtained by firing can be obtained. Therefore, the ceramic green sheet is required to have a good workability in the preparation of the slurry composition and a further improvement in strength that can withstand the various steps of the processing.
- the ceramic powder used for the ceramic green sheet one having a fine particle diameter of 0.5 ⁇ m or less is used, and the above-mentioned slurry composition is peelable so as to be a thin film of about 5 ⁇ m or less. Attempts have been made to coat the substrate.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2006-089354
- a polyvinyl acetal resin having a polymerization degree exceeding 2400 and not more than 4500, a vinyl ester unit content of 1 to 20 mol%, and an acetalization degree of 55 to 80 mol% It is disclosed that a ceramic green sheet obtained from a slurry composition containing a ceramic powder and an organic solvent is excellent in mechanical strength.
- the sheet attack phenomenon is that when a conductive paste serving as an internal electrode layer is printed on the obtained ceramic green sheet, the binder resin contained in the ceramic green sheet is dissolved by the organic solvent in the conductive paste. This is a phenomenon in which defects such as tearing occur in the ceramic green sheet. When this sheet attack phenomenon occurs, the electrical performance and reliability of the multilayer ceramic capacitor are reduced, and the yield is significantly reduced.
- Patent Document 2 Japanese Patent Application Laid-Open No. 2008-133371 discloses a polyvinyl acetal resin obtained by acetalizing a polyvinyl alcohol resin having a saponification degree of 80 mol% or more and a number average polymerization degree of 1000 to 4000.
- the ratio between the portion acetalized with acetaldehyde and the portion acetalized with butyraldehyde degrees of hydroxyl group lost by acetalization with butyraldehyde / acetalized with acetaldehyde
- Polyvinyl acetal resin characterized in that the number of moles of hydroxyl groups lost in this manner is 0.1 to 2.
- the binder resin absorbs moisture during storage of the ceramic green sheet, causing dimensional changes or laminating thin films in multiple layers, so if the amount of moisture per layer is large, the moisture evaporates all at once during degreasing and delamination May cause delamination. Therefore, it is very important to adjust the humidity during storage of the ceramic green sheet and to adjust the degreasing conditions.
- modified polyvinyl acetal with acetaldehyde can improve mechanical strength because of its high glass transition temperature, but it has high hygroscopicity even in mixed acetalized products with butyraldehyde because of its low hydrophobicity, which satisfies the above-mentioned problems. It was not a thing. In addition, even acetalized products using only butyraldehyde did not satisfy sufficiently low hygroscopicity.
- Patent Document 1 and Patent Document 2 do not disclose a polyvinyl acetal resin that has the property that the dimensional change during storage of the ceramic green sheet is small and delamination hardly occurs during degreasing.
- the present invention provides a ceramic green sheet that has sufficient mechanical strength, little dimensional change during storage, and less delamination during degreasing when used as a binder resin for ceramic green sheets. It aims at providing the polyvinyl acetal resin which can be obtained. Another object of the present invention is to provide a slurry composition, a ceramic green sheet, a conductive paste, and a multilayer ceramic capacitor using the polyvinyl acetal resin.
- the degree of polymerization is 200 or more and 6000 or less, the content of vinyl ester units is 0.01 to 30 mol%, the degree of acetalization is 55 to 83 mol%, It has been found that the polyvinyl acetal resin having the structural unit represented by the chemical formula (1) has a high glass transition temperature and low water absorption.
- this polyvinyl acetal resin is used as a binder resin of a slurry composition used for a ceramic green sheet, the ceramic green sheet having a reduced thickness has sufficient mechanical strength and has dimensions during storage. It was found that there was little change and delamination was less likely to occur during degreasing, and the present invention was completed.
- the present invention has a polymerization degree of 200 to 6000, a vinyl ester unit content of 0.01 to 30 mol%, an acetalization degree of 55 to 83 mol%, and a chemical formula (
- the present invention relates to a polyvinyl acetal resin having a structural unit represented by 1).
- the degree of polymerization of the polyvinyl acetal resin is preferably more than 1500 and 4500 or less.
- the polyvinyl acetal resin is preferably obtained by acetalizing a polyvinyl alcohol resin with an aldehyde containing 3-methylbutanal.
- the polyvinyl acetal resin further has a structural unit represented by the chemical formula (2) and / or the chemical formula (3) in the molecule.
- the structural unit represented by the chemical formula (1) is preferably contained in an amount of 30 mol% or more based on the total molar amount of all acetalized structural units.
- the present invention relates to a slurry composition containing the polyvinyl acetal resin, ceramic powder and an organic solvent.
- the present invention relates to a ceramic green sheet obtained using the slurry composition.
- the present invention relates to a conductive paste containing the polyvinyl acetal resin and conductive powder.
- the present invention relates to a multilayer ceramic capacitor obtained using the ceramic green sheet.
- the present invention relates to a multilayer ceramic capacitor obtained using the conductive paste.
- the present invention when used as a binder resin for a ceramic green sheet, it is possible to obtain a ceramic green sheet having sufficient mechanical strength, little dimensional change during storage, and less prone to delamination during degreasing.
- a possible polyvinyl acetal resin is provided.
- the polyvinyl acetal resin of the present invention can also be used as a binder resin for a conductive paste serving as an internal electrode.
- the polymerization degree of the polyvinyl acetal resin of the present invention is 200 or more and 6000 or less.
- the degree of polymerization of the polyvinyl acetal resin is less than 200, the mechanical strength becomes insufficient when a thin film ceramic green sheet is produced.
- the degree of polymerization exceeds 6000 it may not be sufficiently dissolved in an organic solvent. The solution viscosity becomes too high, and the coatability and dispersibility are lowered.
- the degree of polymerization of the polyvinyl acetal resin is preferably 800 or more, more preferably 1000 or more, further preferably more than 1500, particularly preferably 1700 or more, and most preferably more than 2000.
- the degree of polymerization of the polyvinyl acetal resin is preferably 4500 or less, more preferably 3500 or less.
- the polyvinyl acetal resin can be produced, for example, by acetalizing a polyvinyl alcohol resin having a degree of polymerization of 200 or more and 6000 or less using an aldehyde containing at least 3-methylbutanal.
- the polymerization degree of the polyvinyl alcohol resin is preferably 800 or more, more preferably 1000 or more, further preferably more than 1500, and particularly preferably 1700 or more.
- the degree of polymerization of the polyvinyl alcohol resin is preferably 4500 or less, more preferably 3500 or less.
- the said polymerization degree is calculated
- the viscosity average degree of polymerization of the polyvinyl alcohol resin refers to an average degree of polymerization determined based on JIS K6726: 1994.
- the average viscosity average polymerization degree of the whole polyvinyl alcohol resin after mixing is said.
- the degree of polymerization of the polyvinyl acetal resin refers to the viscosity average degree of polymerization measured based on the method described in JIS K6728: 1977.
- the polyvinyl acetal resin is a mixture of two or more kinds of polyvinyl acetal resins, it means the apparent viscosity average polymerization degree of the whole polyvinyl acetal resin after mixing.
- the lower limit of the vinyl ester unit content of the polyvinyl acetal resin is 0.01 mol%, and the upper limit is 30 mol%.
- the content of the vinyl ester unit of the polyvinyl acetal resin is less than 0.01 mol%, the hydrogen bond in the molecule of the hydroxyl group in the polyvinyl acetal resin and the intermolecular hydrogen bond increase, and the viscosity of the slurry composition becomes too high. Further, the solubility in the organic solvent used in the conductive paste becomes too high, and a sheet attack phenomenon occurs.
- the content of the vinyl ester unit of the polyvinyl acetal resin exceeds 30 mol%, the glass transition temperature of the polyvinyl acetal resin is lowered and the flexibility becomes too strong. Dimensional stability during storage decreases.
- the minimum with preferable content rate of the said vinyl ester unit is 0.5 mol%, a preferable upper limit is 23 mol%, and a more preferable upper limit is 20 mol%.
- the polyvinyl acetal resin having a vinyl ester unit content of 0.01 to 30 mol% is, for example, a polyvinyl alcohol resin having a vinyl ester unit content of 0.01 to 30 mol%, typically having a saponification degree. It can be obtained by acetalizing 70 to 99.99 mol% of a polyvinyl alcohol resin.
- the preferable lower limit of the saponification degree of the polyvinyl alcohol resin is 77 mol%, the more preferable lower limit is 80 mol%, and the preferable upper limit is 99.5 mol%.
- the content rate of the vinyl ester unit in the present specification means the content ratio of the molar amount of the vinyl ester unit to the total value of the molar amount of the vinyl ester unit, the vinyl alcohol unit and the acetalized vinyl alcohol unit. To do.
- the lower limit of the degree of acetalization of the polyvinyl acetal resin is 55 mol%, and the upper limit is 83 mol%. If the degree of acetalization of the polyvinyl acetal resin is less than 55 mol%, the hydrophilicity of the polyvinyl acetal resin is increased and it becomes difficult to dissolve in an organic solvent. Sometimes delamination occurs. On the other hand, when the degree of acetalization of the polyvinyl acetal resin exceeds 83 mol%, not only the toughness of the polyvinyl acetal resin is impaired due to the decrease in residual hydroxyl groups, but also the productivity is lowered.
- the preferable lower limit of the degree of acetalization is 60 mol%, the more preferable lower limit is 65 mol%, and the preferable upper limit is 80 mol%.
- the degree of acetalization in this specification is calculated based on the molar amount of the acetalized vinyl alcohol unit, not the acetalized structural unit. That is, the degree of acetalization means the content ratio of the molar amount of the acetalized vinyl alcohol unit to the total value of the molar amount of the vinyl ester unit, the vinyl alcohol unit and the acetalized vinyl alcohol unit.
- the degree of acetalization of the polyvinyl acetal resin of the present invention to 55 to 83 mol%
- the amount of aldehyde added to the polyvinyl alcohol resin, the reaction time after addition of the aldehyde and the acid catalyst, etc. are appropriately adjusted.
- a method is mentioned.
- the content of vinyl ester units, the content of vinyl alcohol units, and the degree of acetalization of the polyvinyl acetal resin were determined by dissolving 1 H-NMR or 13 C in a polyvinyl acetal resin dissolved in DMSO-d 6 (dimethyl sulfoxide). -NMR spectra can be measured and calculated.
- polyvinyl acetal resin of the present invention one obtained by reacting (acetalizing) an aldehyde described later with a polyvinyl alcohol resin can be used.
- a polyvinyl alcohol resin can be obtained by a conventionally known method, that is, by polymerizing a vinyl ester monomer and saponifying the obtained polymer.
- a method for polymerizing the vinyl ester monomer conventionally known methods such as a solution polymerization method, a bulk polymerization method, a suspension polymerization method, and an emulsion polymerization method can be employed.
- the polymerization initiator an azo initiator, a peroxide initiator, a redox initiator, or the like is appropriately selected depending on the polymerization method.
- a conventionally known alcoholysis or hydrolysis using an alkali catalyst or an acid catalyst can be applied.
- a saponification reaction using methanol as a solvent and a caustic soda (NaOH) catalyst is simple and most preferable.
- vinyl ester monomers examples include vinyl formate, vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl pivalate, vinyl versatate, vinyl caproate, vinyl caprylate, vinyl laurate, palmitic acid.
- vinyl, vinyl stearate, vinyl oleate, vinyl benzoate and the like can be mentioned, with vinyl acetate being particularly preferred.
- the polyvinyl alcohol resin in the present invention is a concept including a polymer composed of vinyl alcohol units and other monomer units.
- Examples of other monomers include, for example, ⁇ -olefins such as ethylene, propylene, n-butene and isobutylene; acrylic acid and its salts; methyl acrylate, ethyl acrylate, n-propyl acrylate, acrylic acid i Acrylic esters such as propyl, n-butyl acrylate, i-butyl acrylate, t-butyl acrylate, 2-ethylhexyl acrylate, dodecyl acrylate, octadecyl acrylate; methacrylic acid and its salts; methyl methacrylate , Ethyl methacrylate, n-propyl methacrylate, i-propyl methacrylate, n-butyl methacrylate, i-butyl methacrylate, t-butyl methacrylate, 2-ethylhexyl methacrylate, dodecyl methacryl
- Methacrylic acid esters Acrylamide, N-methyl acrylamide, N-ethyl acrylamide, N, N-dimethyl acrylamide, diacetone acrylamide, acrylamide propane sulfonic acid and its salt, acrylamide propyl dimethylamine or its acid salt or quaternary salt, N-methylol acrylamide and its Acrylamide derivatives such as derivatives; methacrylamide, N-methylmethacrylamide, N-ethylmethacrylamide, methacrylamidepropanesulfonic acid and its salts, methacrylamidepropyldimethylamine or its acid salts or quaternary salts, N-methylol methacrylamide or Methacrylamide derivatives such as derivatives thereof; methyl vinyl ether, ethyl vinyl ether, n-propyl vinyl ether, i-propyl vinyl ether, n -Vinyl ethers such as butyl vinyl ether, i-butyl vinyl ether, t-
- the acid catalyst used for the acetalization is not particularly limited, and any of organic acids and inorganic acids can be used. Examples thereof include acetic acid, p-toluenesulfonic acid, nitric acid, sulfuric acid, hydrochloric acid and the like. Among these, hydrochloric acid, sulfuric acid, and nitric acid are preferably used, and hydrochloric acid and nitric acid are particularly preferably used.
- the polyvinyl acetal resin of the present invention can be obtained by the following method. First, an aqueous solution of polyvinyl alcohol resin having a concentration of 3 to 15% by mass is adjusted to a temperature range of 80 to 100 ° C., and the temperature is gradually cooled over 10 to 60 minutes. When the temperature falls to ⁇ 10 to 40 ° C., an aldehyde and an acid catalyst are added, and an acetalization reaction is performed for 10 to 300 minutes while keeping the temperature constant. Thereafter, it is preferable to include an aging step in which the temperature of the reaction solution is increased to a temperature of 15 to 80 ° C. over 30 to 200 minutes and the temperature is maintained for 0 to 360 minutes. Next, the reaction solution is preferably cooled to room temperature, washed with water, then added with a neutralizing agent such as alkali, washed and dried to obtain the desired polyvinyl acetal resin.
- a neutralizing agent such as alkali
- polyvinyl acetal resin of the present invention it is important to have a structural unit represented by the chemical formula (1).
- Examples of a method for obtaining such a polyvinyl acetal resin include a method of acetalizing a polyvinyl alcohol resin with an aldehyde containing 3-methylbutanal. As described above, when 3-methylbutanal is used for acetalization, the number of carbon atoms in the molecule is in the range of 2 to 6, so that the productivity of the polyvinyl acetal resin is excellent. Since a structure in which an isopropyl group is further bonded to a carbon atom bonded to two oxygen atoms in the acetal structural unit, a coating film having a good balance of properties and excellent moisture and heat resistance can be obtained.
- aldehyde used for acetalization of the polyvinyl alcohol resin the following aldehydes may be used in combination as long as the gist of the present invention is not impaired. That is, as an aldehyde having an alkyl group or an aryl group as a substituent, for example, acetaldehyde, propionaldehyde, butyraldehyde, isobutyraldehyde, 2-ethylbutyraldehyde, valeraldehyde, pivalaldehyde, hexylaldehyde, 2-ethylhexylaldehyde, Aliphatic aldehydes such as octyl aldehyde, nonyl aldehyde, decyl aldehyde, dodecyl aldehyde and their alkyl acetals, cyclopentane aldehyde, methyl cyclopentane aldehyde, methyl
- An alicyclic aldehyde and its alkyl acetal Cyclic unsaturated aldehydes such as clopentenaldehyde and cyclohexene aldehyde and their alkyl acetals, benzaldehyde, methylbenzaldehyde, dimethylbenzaldehyde, methoxybenzaldehyde, phenylacetaldehyde, phenylpropylaldehyde, cuminaldehyde, naphthylaldehyde, anthraldehyde, cinnamaldehyde, crotonaldehyde , Aromatic or unsaturated bond-containing aldehydes such as acrolein and 7-octen-1-al, and alkyl acetals thereof, heterocyclic aldehydes such as furfural and methyl furfural, and alkyl acetals thereof.
- aldehyde having a hydroxyl group, a carboxyl group, a sulfonic acid group, or a phosphoric acid group as a functional group that can be used in combination for acetalizing a polyvinyl alcohol resin in the present invention
- hydroxyacetaldehyde, hydroxypropionaldehyde, hydroxybutyl Hydroxyl-containing aldehydes such as aldehyde, hydroxypentylaldehyde, salicylaldehyde, dihydroxybenzaldehyde and their alkyl acetals, glyoxylic acid and its metal salt or ammonium salt, 2-formylacetic acid and its metal salt or ammonium salt, 3-formylpropionic acid and its Metal salt or ammonium salt, 5-formylpentanoic acid and its metal salt or ammonium salt, 4-formylphenoxyacetic acid and its metal salt Or ammonium salt, 2-carboxybenzaldehyde and its metal salt or
- aminoacetaldehyde, dimethylaminoacetaldehyde, diethylaminoacetaldehyde, amino which can be used in combination for acetalizing polyvinyl alcohol resin, has an amino group, a cyano group, a nitro group or a quaternary ammonium salt as a functional group.
- aldehyde having a halogen as a functional group that can be used together to acetalize a polyvinyl alcohol resin, chloroacetaldehyde, bromoacetaldehyde, fluoroacetaldehyde, chloropropionaldehyde, bromopropionaldehyde, fluoropropionaldehyde, chlorobutyraldehyde, Bromobutyraldehyde, fluorobutyraldehyde, chloropentylaldehyde, bromopentylaldehyde, fluoropentylaldehyde, chlorobenzaldehyde, dichlorobenzaldehyde, trichlorobenzaldehyde, bromobenzaldehyde, dibromobenzaldehyde, tribromobenzaldehyde, fluorobenzaldehyde, difluorobenzaldehyde, trifluorobenzaldehyde
- formaldehyde including paraformaldehyde
- acetaldehyde including paraacetaldehyde
- propionaldehyde butyraldehyde
- amylaldehyde hexylaldehyde
- heptylaldehyde 2-ethylhexylaldehyde
- cyclohexylaldehyde furfural, glyoxal
- glutaraldehyde benzaldehyde, 2-methylbenzaldehyde, 3-methylbenzaldehyde
- 4-methylbenzaldehyde p-hydroxybenzaldehyde, m-hydroxybenzaldehyde, phenylacetaldehyde, ⁇ -phenylpropionaldehyde and the like may be used in combination.
- acetaldehyde when acetalization of a polyvinyl alcohol resin is performed in combination with an aldehyde other than 3-methylbutanal, acetaldehyde is preferable in terms of excellent mechanical strength of the obtained polyvinyl acetal resin, and excellent in low hygroscopicity. Butyraldehyde is preferred. It is also possible to use three kinds of aldehydes together such as 3-methylbutanal, acetaldehyde and butyraldehyde.
- the structural unit represented by the chemical formula (2) is introduced into the polyvinyl acetal resin by acetalization using acetaldehyde, and the structural unit represented by the chemical formula (3) by acetalization using butyraldehyde. Units are introduced into the polyvinyl acetal resin.
- the structural unit obtained by acetalizing the obtained polyvinyl acetal resin is a structural unit other than the structural unit represented by the above chemical formula (1)
- the ratio of the structural unit represented by the chemical formula (1) corresponding to the structural unit acetalized with 3-methylbutanal is based on the total molar amount of all the acetalized structural units. It is preferably 30 mol% or more.
- chemical formula (4) for example, as a structural unit obtained by acetalizing a polyvinyl acetal resin, chemical formula (4):
- R is a hydrogen atom or a hydrocarbon group having any number of carbon atoms (for example, a methyl group or a propyl group), and hydrogen in the hydrocarbon group is substituted with any atom or any functional group.
- R is a hydrogen atom or a hydrocarbon group having any number of carbon atoms (for example, a methyl group or a propyl group), and hydrogen in the hydrocarbon group is substituted with any atom or any functional group.
- the structural unit represented by the chemical formula (1) is 30 mol% or more.
- the ratio of the structural unit represented by the above chemical formula (1) corresponding to the structural unit acetalized with 3-methylbutanal to the total molar amount of all the acetalized structural units in the polyvinyl acetal resin is 30 moles. When it is lower than%, the hygroscopicity of the polyvinyl acetal resin is increased, and the dimensional change during storage and delamination during degreasing are likely to occur in the ceramic green sheet.
- the ratio of the structural unit represented by the chemical formula (1) corresponding to the structural unit acetalized with 3-methylbutanal is preferably 40 mol% or more, and more preferably 50 mol% or more. The said ratio is calculated
- the aldehyde used for the polyvinyl acetal resin is preferably a monoaldehyde (one aldehyde group per molecule).
- the stress relaxation force of the cross-linked site is different from that of the non-cross-linked site, and thus warpage may occur after peeling from polyethylene terephthalate after drying. Therefore, it is preferable that the aldehyde to be used is only a monoaldehyde, and even when a compound having two or more aldehyde groups is used, two or more aldehyde groups are added to the vinyl alcohol unit of the polyvinyl alcohol resin.
- the amount of the compound to be added is preferably less than 0.005 mol%, and more preferably 0.003 mol% or less.
- the polyvinyl acetal resin of the present invention may contain an ⁇ -olefin unit.
- the preferable lower limit of the content of ⁇ -olefin units is 1 mol%
- the preferable upper limit is 20 mol%. If it is less than 1 mol%, the effect of containing an ⁇ -olefin unit becomes insufficient, and if it exceeds 20 mol%, the hydrophobicity becomes too strong and the dispersibility of the ceramic powder decreases, or polyvinyl alcohol as a raw material Since solubility of resin falls, manufacture of polyvinyl acetal resin may become difficult.
- the content of ⁇ -olefin units in the polyvinyl acetal resin means the content ratio of the molar amount of ⁇ -olefin units to the total molar amount of all structural units constituting the polyvinyl acetal resin.
- the total molar amount is calculated as the molar amount of the acetalized vinyl alcohol unit (usually twice the molar amount of the acetalized structural unit). To do.
- the glass transition temperature of the polyvinyl acetal resin of the present invention is preferably 72 to 100 ° C., and more preferably 75 to 95 ° C.
- the glass transition temperature of the polyvinyl acetal resin is lower than 72 ° C., the mechanical strength becomes insufficient.
- it exceeds 100 ° C. the thermocompression bonding property is deteriorated and delamination tends to occur.
- the slurry composition of the present invention contains the polyvinyl acetal resin, ceramic powder, and organic solvent.
- the polyvinyl acetal resin is usually used as a binder resin.
- the polyvinyl acetal resin of the present invention does not become too high even when dissolved in a 1: 1 mixed solvent of ethanol and toluene generally used in the production process of ceramic green sheets.
- the slurry composition containing an acetal resin has sufficient coatability.
- the ceramic green sheet which is excellent in mechanical strength and has favorable filling property can be obtained efficiently.
- the slurry composition of the present invention may contain an acrylic resin, a cellulose resin, or the like in addition to the polyvinyl acetal resin as a binder resin.
- a preferable lower limit of the content of the polyvinyl acetal resin in the entire binder resin is 30% by mass.
- the content of the polyvinyl acetal resin is less than 30% by mass, the mechanical strength and thermocompression bonding property of the obtained ceramic green sheet may be insufficient.
- the ceramic powder is not particularly limited, and examples thereof include alumina, zirconia, aluminum silicate, titanium oxide, zinc oxide, barium titanate, magnesia, sialon, spinelmullite, silicon carbide, silicon nitride, aluminum nitride, and the like. Can be mentioned. These ceramic powders may be used alone or in combination of two or more.
- the upper limit with the preferable content rate of the ceramic powder with respect to the whole quantity of the slurry composition of this invention is 80 mass%, and a preferable minimum is 30 mass%.
- the content of the ceramic powder is less than 30% by mass, the viscosity of the resulting slurry composition becomes too low, resulting in poor handling when the ceramic green sheet is formed.
- the content exceeds 80% by mass the slurry composition The viscosity of the product tends to be too high and the kneadability tends to decrease.
- the organic solvent is not particularly limited.
- ketones such as acetone, methyl ethyl ketone, dipropyl ketone, and diisobutyl ketone
- alcohols such as methanol, ethanol, isopropanol, and butanol
- aromatic hydrocarbons such as toluene and xylene
- organic solvents may be used independently and 2 or more types may be used together.
- a mixed solvent of toluene and ethanol is preferably used.
- the content of the organic solvent with respect to the total amount of the slurry composition of the present invention is preferably 20% by mass or more and less than 70% by mass. If it is in the said range, moderate kneading
- the content of the organic solvent is 70% by mass or more, the viscosity becomes too low and the handling property when forming the ceramic green sheet is deteriorated.
- the content is less than 20% by mass, the viscosity of the slurry composition is high. It becomes too much and the kneadability tends to decrease.
- the slurry composition of the present invention may contain conventionally known additives such as a plasticizer, a lubricant, a dispersant, an antistatic agent and an antioxidant as long as the effects of the present invention are not impaired.
- the kind of the plasticizer is not particularly limited.
- Phthalic acid plasticizers such as dihexyl adipate, di (2-ethylhexyl) adipate (DOA)
- glycol plasticizers such as ethylene glycol, diethylene glycol and triethylene glycol, triethylene glycol dibuty And glycol ester plasticizers such as triethylene glycol di (2-ethylbutyrate) and triethylene glycol di (2-ethylhexanoate).
- the content of the plasticizer is not particularly limited, but is preferably 0.1 to 10% by mass, and more preferably 1 to 8% by mass with respect to the total amount of the slurry composition.
- DOP, DOA, and triethylene glycol (2-ethylhexanoate) are preferable because they are low in volatility and easily maintain flexibility when a ceramic green sheet is used.
- the method for producing the slurry composition using the polyvinyl acetal resin of the present invention is not particularly limited.
- the binder resin containing the polyvinyl acetal resin, the ceramic powder, the organic solvent, and various additives added as necessary. are mixed using various mixers such as a ball mill, a blender mill, and a three roll.
- the present invention includes a ceramic green sheet obtained using such a slurry composition.
- the method for producing the ceramic green sheet of the present invention is not particularly limited, and can be produced by a conventionally known production method.
- the slurry composition of the present invention is flowed on a peelable support such as a polyethylene terephthalate film.
- a peelable support such as a polyethylene terephthalate film. Examples include a method of extruding and distilling off the solvent by heating and the like, and then peeling off from the support.
- the conductive paste of the present invention contains the polyvinyl acetal resin and conductive powder, and preferably contains the polyvinyl acetal resin, conductive powder, and an organic solvent.
- the conductive paste of the present invention may contain, in addition to the polyvinyl acetal resin, a resin other than the polyvinyl acetal resin such as an acrylic resin and a cellulose resin as a binder resin.
- a resin other than the polyvinyl acetal resin such as an acrylic resin and a cellulose resin as a binder resin.
- an acrylic resin, a cellulose resin, or the like is contained as the binder resin
- a preferable lower limit of the content of the polyvinyl acetal resin in the entire binder resin is 30% by mass.
- the content of the polyvinyl acetal is less than 30% by mass, the adhesion between the layers tends to be lowered.
- the conductive powder used in the conductive paste of the present invention is not particularly limited as long as it has conductivity, and examples thereof include copper, nickel, palladium, platinum, gold, and silver.
- the upper limit with preferable content rate of the electroconductive powder with respect to whole quantity of an electrically conductive paste is 70 mass%, and a preferable minimum is 30 mass%.
- the content of the conductive powder is less than 30% by mass, the conductive component is small and the organic component is large, so that the change in shrinkage rate after firing is large, and the carbon component tends to remain.
- the content rate of electroconductive powder exceeds 70 mass%, the viscosity of an electroconductive paste will become high too much and it exists in the tendency for coating property and printability to fall.
- the organic solvent used in the conductive paste of the present invention is not particularly limited, and the same organic solvent as exemplified above can be used as the organic solvent used in the slurry composition of the present invention. These organic solvents may be used independently and 2 or more types may be used together.
- the upper limit with the preferable content rate of the organic solvent with respect to the whole quantity of the electrically conductive paste of this invention is 70 mass%, and a preferable minimum is 20 mass%.
- the content of the organic solvent is less than 20% by mass, the viscosity tends to be too high and the kneadability tends to be reduced.
- the content is more than 70% by mass, the viscosity is too low to apply the conductive paste. The handling property tends to be poor.
- the conductive paste of the present invention may contain conventionally known additives such as a plasticizer, a lubricant, a dispersant, and an antistatic agent as long as the effects of the present invention are not impaired.
- the method for producing the conductive paste of the present invention is not particularly limited, and examples thereof include a method of mixing the polyvinyl acetal resin and a conductive powder, an organic solvent, a plasticizer, a dispersant, and the like, more specifically. Is a method in which the binder resin containing the polyvinyl acetal resin, the conductive powder, the organic solvent, and various additives added as necessary are mixed using various mixers such as a ball mill, a blender mill, and a three roll. It is done.
- a multilayer ceramic capacitor can be produced by laminating ceramic green sheets with conductive paste applied.
- at least one of the ceramic green sheet and the conductive paste may be the ceramic green sheet of the present invention or the conductive paste of the present invention, and the conductive paste that is not the conductive paste of the present invention is applied to the ceramic green sheet of the present invention. May be laminated, or a ceramic green sheet that is not the ceramic green sheet of the present invention may be laminated with the conductive paste of the present invention laminated, or the conductive paste of the present invention may be laminated on the ceramic green sheet of the present invention. You may laminate what was applied.
- the multilayer ceramic capacitor obtained by using at least one of the ceramic green sheet of the present invention and the conductive paste of the present invention is also included in the present invention.
- the production method of the multilayer ceramic capacitor of the present invention is not particularly limited, and a conventionally known production method can be employed.
- a plurality of sheets of ceramic green sheets (such as the ceramic green sheet of the present invention) coated with a conductive paste serving as an internal electrode by screen printing or the like are alternately stacked and heat-pressed to form a laminated body.
- polyvinyl acetal resin of the present invention is not particularly limited, and examples thereof include paint materials and heat-developable photosensitive materials in addition to ceramic green sheets and binders for internal electrodes.
- the physical properties of the polyvinyl acetal resin were measured according to the following method.
- Glass transition point of polyvinyl acetal resin After using EXTAR6000 (RD220) manufactured by Seiko Instruments Inc. as a DSC (differential scanning calorimeter), the polyvinyl acetal resin was heated from 30 ° C. to 150 ° C. at a heating rate of 10 ° C./min in nitrogen. After cooling to 30 ° C., the temperature was raised again to 150 ° C. at a temperature rising rate of 10 ° C./min. The measured value after re-heating was taken as the glass transition point.
- Example 1 (Preparation of polyvinyl acetal resin)
- a glass container having an internal volume of 2 L equipped with a reflux condenser, a thermometer, and a squid type stirring blade
- 1295 g of ion-exchanged water and 105 g of polyvinyl alcohol PVA-1: polymerization degree 1700, saponification degree 99.0 mol%
- PVA-1 polymerization degree 1700, saponification degree 99.0 mol
- the prepared polyvinyl alcohol aqueous solution was gradually cooled to 13 ° C.
- Acetalization of polyvinyl alcohol was started by adding 100 mL of hydrochloric acid having a concentration of 20% by mass as an acid catalyst as a catalyst. After 15 minutes of acetalization, the whole was heated to 47 ° C. over 120 minutes, held at 47 ° C. for 180 minutes, and then cooled to room temperature.
- the resin precipitated by cooling was filtered, washed 10 times with ion-exchanged water (100 times the amount of ion-exchanged water with respect to the resin), and then added with a 0.3% by mass aqueous sodium hydroxide solution for neutralization. After holding at 100 ° C. for 5 hours, re-washing with 100 times the amount of ion-exchanged water was repeated 10 times, followed by dehydration and drying at 40 ° C. under reduced pressure for 18 hours to obtain a polyvinyl acetal resin (PVIV-1). .
- the obtained polyvinyl acetal resin (PVIV-1) has a content of vinyl alcohol units acetalized with 3-methylbutanal of 69.0 mol% (the degree of acetalization is 69.0 mol%), vinyl ester units was 1.0 mol%, and the content of vinyl alcohol units was 30.0 mol%.
- Example 2 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-2: polymerization degree 800, saponification degree 99.0 mol%) was used instead of PVA-1, and 73.5 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-2) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 71.2 mol% (the degree of acetalization is 71.2 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 27.8 mol%. Next, a slurry composition was obtained using PVIV-2 in the same manner as in Example 1.
- PVIV-2 polymerization degree 800, saponification degree 99.0 mol%
- Example 3 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-3: polymerization degree 2400, saponification degree 99.0 mol%) was used instead of PVA-1, and 70.5 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-3) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 68.4 mol% (the degree of acetalization is 68.4 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 30.6 mol%. Next, a slurry composition was obtained using PVIV-3 in the same manner as in Example 1.
- Example 4 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-4: polymerization degree 4300, saponification degree 99.0 mol%) was used instead of PVA-1, and 75.6 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-4) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 73.8 mol% (the degree of acetalization is 73.8 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 25.2 mol%. Next, a slurry composition was obtained using PVIV-4 in the same manner as in Example 1.
- PVIV-4 polymerization degree 4300, saponification degree 99.0 mol%
- Example 5 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-5: polymerization degree 1700, saponification degree 88.0 mol%) was used instead of PVA-1, and 64.6 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-5) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 71.2 mol% (the degree of acetalization is 71.2 mol%), the content of vinyl ester units is 12.0 mol%, vinyl alcohol units The content of was 16.8 mol%. Next, a slurry composition was obtained using PVIV-5 in the same manner as in Example 1.
- Example 6 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-6: polymerization degree 3500, saponification degree 88.0 mol%) was used instead of PVA-1, and 62.5 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-6) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 69.7 mol% (the degree of acetalization is 69.7 mol%), the content of vinyl ester units is 12.0 mol%, vinyl alcohol units The content of was 18.3 mol%. Next, a slurry composition was obtained using PVIV-6 in the same manner as in Example 1.
- Example 7 A polyvinyl acetal resin (PVIV-7) was obtained in the same manner as in Example 1 except that 81.6 g of 3-methylbutanal was used. The content of vinyl alcohol units acetalized with 3-methylbutanal is 79.0 mol% (the degree of acetalization is 79.0 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 20.0 mol%. Next, a slurry composition was obtained in the same manner as in Example 1 using PVIV-7.
- Example 8 A polyvinyl acetal resin (PVIV-8) was obtained in the same manner as in Example 1 except that 66.6 g of 3-methylbutanal was used. The content of vinyl alcohol units acetalized with 3-methylbutanal is 65.0 mol% (the degree of acetalization is 65.0 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 34.0 mol%. Next, a slurry composition was obtained using PVIV-8 in the same manner as in Example 1.
- Example 9 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-7: polymerization degree 500, saponification degree 99.0 mol%) was used instead of PVA-1, and 70.5 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-9) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 69.0 mol% (the degree of acetalization is 69.0 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 30.0 mol%. Next, a slurry composition was obtained using PVIV-9 in the same manner as in Example 1.
- PVIV-9 polyvinyl alcohol
- Example 10 In the same manner as in Example 1 except that polyvinyl alcohol (PVA-8: polymerization degree 5000, saponification degree 99.0 mol%) was used instead of PVA-1, and 71.5 g of 3-methylbutanal was used. A polyvinyl acetal resin (PVIV-10) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 70.0 mol% (degree of acetalization is 70.0 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 29.0 mol%. Next, a slurry composition was obtained using PVIV-10 in the same manner as in Example 1.
- PVIV-10 polyvinyl alcohol
- Example 11 A polyvinyl acetal resin (PVIV-11) was obtained in the same manner as in Example 1 except that 44.6 g of 3-methylbutanal and 30.5 g of butyraldehyde were used as aldehydes.
- the content of vinyl alcohol units acetalized with 3-methylbutanal was 42.9 mol%, and the content of vinyl alcohol units acetalized with butyraldehyde was 36.1 mol% (the degree of acetalization was 79.0). Mol%), the content of vinyl ester units was 1.0 mol%, and the content of vinyl alcohol units was 20.0 mol%.
- a slurry composition was obtained using PVIV-11 in the same manner as in Example 1.
- Example 12 A polyvinyl acetal resin (PVIV-12) was obtained in the same manner as in Example 1 except that 42.6 g of 3-methylbutanal and 20.2 g of acetaldehyde were used as aldehydes.
- the content of vinyl alcohol units acetalized with 3-methylbutanal was 41.0 mol%
- the content of vinyl alcohol units acetalized with acetaldehyde was 38.0 mol% (the degree of acetalization was 79.0 mol%).
- the vinyl ester unit content was 1.0 mol%
- the vinyl alcohol unit content was 20.0 mol%.
- a slurry composition was obtained using PVIV-12 in the same manner as in Example 1.
- Example 1 A polyvinyl acetal resin (PVB-A) was obtained in the same manner as in Example 1 except that 65.0 g of butyraldehyde was used as the aldehyde.
- the content of vinyl alcohol units acetalized with butyraldehyde is 68.8 mol% (the degree of acetalization is 68.8 mol%), the content of vinyl ester units is 1.0 mol%, the content of vinyl alcohol units Was 30.2 mol%.
- a slurry composition was obtained using PVB-A in the same manner as in Example 1.
- Example 2 Example except that polyvinyl alcohol (PVA-9: polymerization degree 3500, saponification degree 99.0 mol%) was used instead of PVA-1, and 25.1 g of acetaldehyde and 31.0 g of butyraldehyde were used as aldehydes.
- PVA-9 polyvinyl alcohol
- PVB-B polyvinyl acetoacetal resin
- the content of vinyl alcohol units acetalized with butyraldehyde is 36.0 mol%
- the content of vinyl alcohol units acetalized with acetaldehyde is 44.4 mol% (the degree of acetalization is 80.4 mol%)
- the content of vinyl ester units was 1.0 mol%
- the content of vinyl alcohol units was 18.6 mol%.
- a slurry composition was obtained in the same manner as Example 1 using PVB-B.
- Example 3 Example 1 was used except that polyvinyl alcohol (PVA-10: polymerization degree 6500, saponification degree 88.0 mol%) was used instead of PVA-1, and 69.0 g of 3-methylbutanal was used as the aldehyde. Thus, a polyvinyl acetal resin (PVIV-13) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 73.9 mol% (degree of acetalization is 73.9 mol%), the content of vinyl ester units is 12.0 mol%, vinyl alcohol units The content of was 14.1 mol%. Next, an attempt was made to produce a slurry composition using PVIV-13 in the same manner as in Example 1, but the slurry composition could not be obtained due to poor dispersion.
- PVIV-13 polyvinyl alcohol
- Example 1 Example 1 was used except that polyvinyl alcohol (PVA-11: polymerization degree 150, saponification degree 99.0 mol%) was used instead of PVA-1, and 69.0 g of 3-methylbutanal was used as the aldehyde. Thus, a polyvinyl acetal resin (PVIV-14) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 66.8 mol% (the degree of acetalization is 66.8 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 32.2 mol%. Next, a slurry composition was obtained using PVIV-14 in the same manner as in Example 1.
- PVIV-14 polyvinyl alcohol
- Example 1 Example 1 was used except that polyvinyl alcohol (PVA-12: polymerization degree 1700, saponification degree 69.0 mol%) was used instead of PVA-1, and 39.0 g of 3-methylbutanal was used as the aldehyde. Thus, a polyvinyl acetal resin (PVIV-15) was obtained. The content of vinyl alcohol units acetalized with 3-methylbutanal is 50.0 mol% (degree of acetalization is 50.0 mol%), the content of vinyl ester units is 31.0 mol%, vinyl alcohol units The content of was 19.0 mol%. Next, a slurry composition was obtained using PVIV-15 in the same manner as in Example 1.
- PVIV-15 polyvinyl alcohol
- Example 6 A polyvinyl acetal resin (PVIV-16) was obtained in the same manner as in Example 1 except that 54.0 g of 3-methylbutanal was used as the aldehyde. The content of vinyl alcohol units acetalized with 3-methylbutanal is 53.6 mol% (the degree of acetalization is 53.6 mol%), the content of vinyl ester units is 1.0 mol%, vinyl alcohol units The content of was 45.4 mol%. Next, a slurry composition was obtained using PVIV-16 in the same manner as in Example 1.
- Example 7 A polyvinyl acetal resin (PVB-C) was obtained in the same manner as in Example 1 except that 45.0 g of butyraldehyde was used as the aldehyde.
- the content of vinyl alcohol units acetalized with butyraldehyde is 78.0 mol% (the degree of acetalization is 78.0 mol%), the content of vinyl ester units is 1.0 mol%, the content of vinyl alcohol units Was 21.0 mol%.
- a slurry composition was obtained using PVB-C in the same manner as in Example 1.
- the conductive paste obtained above was applied to one side of the ceramic green sheet obtained above by a screen printing method so that the thickness after drying was about 1.0 ⁇ m, and dried to form a conductive layer. .
- the ceramic green sheets having this conductive layer were cut into 5 cm squares, stacked 100, and heated and pressed for 10 minutes at a temperature of 70 ° C. and a pressure of 150 kg / cm 2 to obtain a laminate.
- the obtained laminate was heated to 400 ° C. at a temperature rising rate of 3 ° C./min under a nitrogen atmosphere, held for 5 hours, then heated to 1350 ° C. at a temperature rising rate of 5 ° C./min and held for 10 hours. As a result, a ceramic fired body was obtained.
- the present invention it is possible to obtain a ceramic green sheet having sufficient mechanical strength, to provide a polyvinyl acetal resin that is less likely to cause delamination during degreasing, with little dimensional change during storage of the ceramic green sheet. it can.
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Abstract
Description
ポリビニルアセタール樹脂をDMSO-d6(ジメチルスルホキシド)に溶解させて、1H-NMRスペクトルを測定し、算出した。
DSC(示差走査熱量計)として、セイコーインスツル株式会社製 EXTAR6000(RD220)を用い、ポリビニルアセタール樹脂を、窒素中で30℃から昇温速度10℃/分で150℃まで昇温させた後、30℃まで冷却し、再度、昇温速度10℃/分で150℃まで昇温させた。再昇温後の測定値をガラス転移点とした。
厚さ0.2mm×10cm×10cmの測定用試料を50℃で減圧下に6日間乾燥し、次いで、乾燥後の試料を20℃の純水中に24時間浸漬したときの質量を測定し、下記式にしたがって吸水率を求めた。
(ポリビニルアセタール樹脂の調製)
還流冷却器、温度計及びイカリ型撹拌翼を備えた内容積2Lのガラス製容器に、イオン交換水1295gと、ポリビニルアルコール(PVA-1:重合度1700、けん化度99.0モル%)105gとを仕込み、全体を95℃に昇温してポリビニルアルコールを完全に溶解させ、ポリビニルアルコール水溶液(濃度7.5質量%)を作製した。作製したポリビニルアルコール水溶液を、回転速度120rpmにて撹拌し続けながら、約30分かけて13℃まで徐々に冷却した後、当該水溶液に、3-メチルブタナール70.5gを添加し、さらにアセタール化触媒である酸触媒として濃度20質量%の塩酸100mLを添加して、ポリビニルアルコールのアセタール化を開始した。アセタール化を15分間行った後、120分かけて全体を47℃まで昇温し、47℃にて180分間保持した後に、室温まで冷却した。冷却によって析出した樹脂をろ過後、イオン交換水(樹脂に対して100倍量のイオン交換水)で10回洗浄した後、中和のために0.3質量%水酸化ナトリウム水溶液を加え、50℃で5時間保持した後、さらに100倍量のイオン交換水で再洗浄を10回繰り返し、脱水したのち、40℃、減圧下で18時間乾燥し、ポリビニルアセタール樹脂(PVIV-1)を得た。得られたポリビニルアセタール樹脂(PVIV-1)は、3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率が69.0モル%(アセタール化度は69.0モル%)、ビニルエステル単位の含有率が1.0モル%、ビニルアルコール単位の含有率が30.0モル%であった。
得られたポリビニルアセタール樹脂10質量部を、トルエン20質量部とエタノール20質量部との混合溶剤に加え、撹拌溶解し、更に、可塑剤としてDOP8質量部を加え、撹拌溶解した。得られた樹脂溶液に、セラミック粉末としてチタン酸バリウム(堺化学工業株式会社製、BT-03(平均粒径0.3μm))100質量部を加え、ボールミルで48時間混合することによりスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-2:重合度800、けん化度99.0モル%)を用い、3-メチルブタナールを73.5g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-2)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は71.2モル%(アセタール化度は71.2モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は27.8モル%であった。次いで、PVIV-2を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-3:重合度2400、けん化度99.0モル%)を用い、3-メチルブタナールを70.5g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-3)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は68.4モル%(アセタール化度は68.4モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は30.6モル%であった。次いで、PVIV-3を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-4:重合度4300、けん化度99.0モル%)を用い、3-メチルブタナールを75.6g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-4)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は73.8モル%(アセタール化度は73.8モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は25.2モル%であった。次いで、PVIV-4を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-5:重合度1700、けん化度88.0モル%)を用い、3-メチルブタナールを64.6g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-5)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は71.2モル%(アセタール化度は71.2モル%)、ビニルエステル単位の含有率は12.0モル%、ビニルアルコール単位の含有率は16.8モル%であった。次いで、PVIV-5を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-6:重合度3500、けん化度88.0モル%)を用い、3-メチルブタナールを62.5g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-6)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は69.7モル%(アセタール化度は69.7モル%)、ビニルエステル単位の含有率は12.0モル%、ビニルアルコール単位の含有率は18.3モル%であった。次いで、PVIV-6を用いて実施例1と同様にしてスラリー組成物を得た。
3-メチルブタナールを81.6g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-7)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は79.0モル%(アセタール化度は79.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は20.0モル%であった。次いで、PVIV-7を用いて実施例1と同様にしてスラリー組成物を得た。
3-メチルブタナールを66.6g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-8)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は65.0モル%(アセタール化度は65.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は34.0モル%であった。次いで、PVIV-8を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-7:重合度500、けん化度99.0モル%)を用い、3-メチルブタナールを70.5g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-9)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は69.0モル%(アセタール化度は69.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は30.0モル%であった。次いで、PVIV-9を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-8:重合度5000、けん化度99.0モル%)を用い、3-メチルブタナールを71.5g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-10)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は70.0モル%(アセタール化度は70.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は29.0モル%であった。次いで、PVIV-10を用いて実施例1と同様にしてスラリー組成物を得た。
アルデヒドとして、3-メチルブタナールを44.6g及びブチルアルデヒドを30.5g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-11)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は42.9モル%、ブチルアルデヒドでアセタール化されたビニルアルコール単位の含有率は36.1モル%(アセタール化度は79.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は20.0モル%であった。次いで、PVIV-11を用いて実施例1と同様にしてスラリー組成物を得た。
アルデヒドとして、3-メチルブタナールを42.6g及びアセトアルデヒドを20.2g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-12)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は41.0モル%、アセトアルデヒドでアセタール化されたビニルアルコール単位の含有率は38.0モル%(アセタール化度は79.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は20.0モル%であった。次いで、PVIV-12を用いて実施例1と同様にしてスラリー組成物を得た。
アルデヒドとしてブチルアルデヒドを65.0g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVB-A)を得た。ブチルアルデヒドでアセタール化されたビニルアルコール単位の含有率は68.8モル%(アセタール化度は68.8モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は30.2モル%であった。次いで、PVB-Aを用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-9:重合度3500、けん化度99.0モル%)を用い、アルデヒドとして、アセトアルデヒドを25.1g及びブチルアルデヒドを31.0g用いたこと以外は実施例1と同様にしてポリビニルアセトアセタール樹脂(PVB-B)を得た。ブチルアルデヒドでアセタール化されたビニルアルコール単位の含有率は36.0モル%、アセトアルデヒドでアセタール化されたビニルアルコール単位の含有率は44.4モル%(アセタール化度は80.4モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は18.6モル%であった。次いで、PVB-Bを用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-10:重合度6500、けん化度88.0モル%)を用い、アルデヒドとして3-メチルブタナールを69.0g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-13)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は73.9モル%(アセタール化度は73.9モル%)、ビニルエステル単位の含有率は12.0モル%、ビニルアルコール単位の含有率は14.1モル%であった。次いで、PVIV-13を用いて実施例1と同様にしてスラリー組成物を作製しようとしたが、分散不良のため、スラリー組成物を得ることが出来なかった。
PVA-1に代えてポリビニルアルコール(PVA-11:重合度150、けん化度99.0モル%)を用い、アルデヒドとして3-メチルブタナールを69.0g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-14)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は66.8モル%(アセタール化度は66.8モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は32.2モル%であった。次いで、PVIV-14を用いて実施例1と同様にしてスラリー組成物を得た。
PVA-1に代えてポリビニルアルコール(PVA-12:重合度1700、けん化度69.0モル%)を用い、アルデヒドとして3-メチルブタナールを39.0g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-15)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は50.0モル%(アセタール化度は50.0モル%)、ビニルエステル単位の含有率は31.0モル%、ビニルアルコール単位の含有率は19.0モル%であった。次いで、PVIV-15を用いて実施例1と同様にしてスラリー組成物を得た。
アルデヒドとして3-メチルブタナールを54.0g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVIV-16)を得た。3-メチルブタナールでアセタール化されたビニルアルコール単位の含有率は53.6モル%(アセタール化度は53.6モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は45.4モル%であった。次いで、PVIV-16を用いて実施例1と同様にしてスラリー組成物を得た。
アルデヒドとしてブチルアルデヒドを45.0g用いたこと以外は実施例1と同様にして、ポリビニルアセタール樹脂(PVB-C)を得た。ブチルアルデヒドでアセタール化されたビニルアルコール単位の含有率は78.0モル%(アセタール化度は78.0モル%)、ビニルエステル単位の含有率は1.0モル%、ビニルアルコール単位の含有率は21.0モル%であった。次いで、PVB-Cを用いて実施例1と同様にしてスラリー組成物を得た。
離形処理したポリエステルフィルム上に実施例1~12又は比較例1~7で作製したスラリー組成物を、コーターバーを用いて、乾燥後の厚みが1μmとなるように塗工し、常温で1時間風乾した後、熱風乾燥機にて80℃にて3時間、続いて120℃で2時間乾燥させてセラミックグリーンシートを得た。
導電粉末としてのニッケル粉末(三井金属鉱業株式会社製 2020SS)100質量部、エチルセルロース(ダウケミカルカンパニー社製 STD-100)5質量部、及び溶剤としてテルピネオール-C(日本テルペン株式会社製)60質量部を混合した後、3本ロールで混練して導電ペーストを得た。
上記で得られたセラミックグリーンシートの片面に、上記で得られた導電ペーストを、乾燥後の厚みが約1.0μmとなるようにスクリーン印刷法により塗工し、乾燥させて導電層を形成した。この導電層を有するセラミックグリーンシートを5cm角に切断し、100枚積重ねて、温度70℃、圧力150kg/cm2で10分間加熱及び圧着して、積層体を得た。得られた積層体を、窒素雰囲気下、昇温速度3℃/分で400℃まで昇温し、5時間保持した後、昇温速度5℃/分で1350℃まで昇温し、10時間保持することにより、セラミック焼成体を得た。
(機械的強度の評価)
得られたセラミックグリーンシートをポリエステルフィルムから剥離し、シートの状態を観察し、以下に示す3段階で評価した。結果を表1に示す。
A:セラミックグリーンシートに切れや破れが観察されなかったもの。
B:切れや破れがわずかに観察されたもの。
C:切れや破れが観察されたもの。
30cm×30cmのセラミックグリーンシートを23℃、65%RHの恒温恒湿下に静置し、製膜後と10日後の寸法変化率を測定し、以下に示す2段階で評価した。結果を表1に示す。
A:セラミックグリーンシートの寸法変化率が0.1%未満であって、且つ反りが認められないもの。
B:セラミックグリーンシートの寸法変化率が0.1%以上である、及び/又は反りが認められるもの。
得られたセラミック焼成体(常温まで冷却した後のもの)を半分に割り、電子顕微鏡で観察し、セラミック層と導電層とのデラミネーションの有無を観察し、以下に示す3段階で評価した。結果を表1に示す。
A:デラミネーションなし。
B:デラミネーションが僅かに見られる。
C:デラミネーションあり。
Claims (10)
- 重合度が1500を超え、4500以下である請求項1に記載のポリビニルアセタール樹脂。
- 3-メチルブタナールを含むアルデヒドを用いてポリビニルアルコール樹脂をアセタール化することにより得られる請求項1又は2記載のポリビニルアセタール樹脂。
- 化学式(1)で表される構造単位が、全てのアセタール化された構造単位の総モル量に対して、30モル%以上含まれる請求項1~4のいずれかに記載のポリビニルアセタール樹脂。
- 請求項1~5のいずれかに記載のポリビニルアセタール樹脂、セラミック粉末及び有機溶剤を含有するスラリー組成物。
- 請求項6に記載のスラリー組成物を用いて得られるセラミックグリーンシート。
- 請求項1~5のいずれかに記載のポリビニルアセタール樹脂、及び導電性粉末を含有する導電ペースト。
- 請求項7に記載のセラミックグリーンシートを用いて得られる積層セラミックコンデンサ。
- 請求項8に記載の導電ペーストを用いて得られる積層セラミックコンデンサ。
Priority Applications (6)
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KR1020137006874A KR101829788B1 (ko) | 2010-08-19 | 2011-08-12 | 폴리비닐 아세탈 수지, 그 슬러리 조성물, 세라믹 그린 시트 및 적층 세라믹 콘덴서 |
US13/817,041 US20130148263A1 (en) | 2010-08-19 | 2011-08-12 | Polyvinyl acetal resin, slurry composition prepared therefrom, ceramic green sheet, and multilayer ceramic capacitor |
CN201180040224.XA CN103068859B (zh) | 2010-08-19 | 2011-08-12 | 聚乙烯醇缩醛树脂、其浆料组合物、陶瓷坯片和多层陶瓷电容器 |
EP11818159.3A EP2607390B1 (en) | 2010-08-19 | 2011-08-12 | Polyvinyl acetal resin, slurry composition prepared therefrom, ceramic green sheet, and multilayer ceramic capacitor |
JP2012529589A JP5698750B2 (ja) | 2010-08-19 | 2011-08-12 | ポリビニルアセタール樹脂、そのスラリー組成物、セラミックグリーンシート及び積層セラミックコンデンサ |
US14/881,826 US9550909B2 (en) | 2010-08-19 | 2015-10-13 | Polyvinyl acetal resin, slurry composition prepared therefrom, ceramic green sheet, and multilayer ceramic capacitor |
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JP2010183815 | 2010-08-19 | ||
JP2010-183815 | 2010-08-19 |
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US13/817,041 A-371-Of-International US20130148263A1 (en) | 2010-08-19 | 2011-08-12 | Polyvinyl acetal resin, slurry composition prepared therefrom, ceramic green sheet, and multilayer ceramic capacitor |
US14/881,826 Division US9550909B2 (en) | 2010-08-19 | 2015-10-13 | Polyvinyl acetal resin, slurry composition prepared therefrom, ceramic green sheet, and multilayer ceramic capacitor |
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US (2) | US20130148263A1 (ja) |
EP (1) | EP2607390B1 (ja) |
JP (1) | JP5698750B2 (ja) |
KR (1) | KR101829788B1 (ja) |
CN (2) | CN105175590B (ja) |
TW (1) | TWI504613B (ja) |
WO (1) | WO2012023517A1 (ja) |
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JP2016538349A (ja) * | 2013-09-18 | 2016-12-08 | クラレイ ユーロップ ゲゼルシャフト ミット ベシュレンクテル ハフツングKuraray Europe GmbH | セラミック配合物のためのポリビニルイソアセタールの使用 |
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JP7406373B2 (ja) | 2018-03-30 | 2023-12-27 | 積水化学工業株式会社 | セラミックグリーンシート用変性ポリビニルアセタール樹脂 |
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JP7296836B2 (ja) | 2018-09-27 | 2023-06-23 | 積水化学工業株式会社 | ポリビニルアセタール樹脂、セラミックグリーンシート用組成物、セラミックグリーンシート及び積層セラミックコンデンサ |
WO2020158742A1 (ja) * | 2019-01-29 | 2020-08-06 | 花王株式会社 | セラミック成形体からの有機物成分の除去方法 |
JP7493946B2 (ja) | 2019-01-29 | 2024-06-03 | 花王株式会社 | セラミック成形体からの有機物成分の除去方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2607390A4 (en) | 2014-08-13 |
KR101829788B1 (ko) | 2018-02-19 |
KR20130100132A (ko) | 2013-09-09 |
CN105175590B (zh) | 2017-10-03 |
US9550909B2 (en) | 2017-01-24 |
TW201219419A (en) | 2012-05-16 |
TWI504613B (zh) | 2015-10-21 |
EP2607390B1 (en) | 2016-06-22 |
US20130148263A1 (en) | 2013-06-13 |
CN103068859B (zh) | 2015-11-25 |
JP5698750B2 (ja) | 2015-04-08 |
CN103068859A (zh) | 2013-04-24 |
US20160032131A1 (en) | 2016-02-04 |
JPWO2012023517A1 (ja) | 2013-10-28 |
EP2607390A1 (en) | 2013-06-26 |
CN105175590A (zh) | 2015-12-23 |
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