JP6585592B2 - 高耐熱性ポリシルセスキオキサン系感光性樹脂組成物{highly heat resistant polysilsesquioxane−based photosensitive resin composition} - Google Patents
高耐熱性ポリシルセスキオキサン系感光性樹脂組成物{highly heat resistant polysilsesquioxane−based photosensitive resin composition} Download PDFInfo
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- JP6585592B2 JP6585592B2 JP2016535146A JP2016535146A JP6585592B2 JP 6585592 B2 JP6585592 B2 JP 6585592B2 JP 2016535146 A JP2016535146 A JP 2016535146A JP 2016535146 A JP2016535146 A JP 2016535146A JP 6585592 B2 JP6585592 B2 JP 6585592B2
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- polysilsesquioxane
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- 229920000734 polysilsesquioxane polymer Polymers 0.000 title claims description 28
- 239000011342 resin composition Substances 0.000 title 2
- 239000000203 mixture Substances 0.000 claims description 63
- 125000004432 carbon atom Chemical group C* 0.000 claims description 50
- 239000000126 substance Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 24
- 125000002947 alkylene group Chemical group 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000003504 photosensitizing agent Substances 0.000 claims description 16
- 125000003545 alkoxy group Chemical group 0.000 claims description 15
- 125000003118 aryl group Chemical group 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 15
- -1 glycidyloxy, cyclohexyl Chemical group 0.000 claims description 15
- 125000002723 alicyclic group Chemical group 0.000 claims description 14
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- 125000001424 substituent group Chemical group 0.000 claims description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000012670 alkaline solution Substances 0.000 claims description 8
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 claims description 7
- 125000004956 cyclohexylene group Chemical group 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 229920002120 photoresistant polymer Polymers 0.000 claims description 5
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 4
- CPEXFJVZFNYXGU-UHFFFAOYSA-N 2,4,6-trihydroxybenzophenone Chemical compound OC1=CC(O)=CC(O)=C1C(=O)C1=CC=CC=C1 CPEXFJVZFNYXGU-UHFFFAOYSA-N 0.000 claims description 4
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Natural products CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 claims description 4
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 4
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 claims description 4
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 4
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 3
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 claims description 3
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 3
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 claims description 3
- 229940014800 succinic anhydride Drugs 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- IILHVOBVXGJBRI-UHFFFAOYSA-N (2,4-dihydroxyphenyl)-(2,3,4,5-tetrahydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC(O)=C(O)C(O)=C1O IILHVOBVXGJBRI-UHFFFAOYSA-N 0.000 claims description 2
- GBQZZLQKUYLGFT-UHFFFAOYSA-N (2,4-dihydroxyphenyl)-(2,3,4-trihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=C(O)C(O)=C1O GBQZZLQKUYLGFT-UHFFFAOYSA-N 0.000 claims description 2
- OKJFKPFBSPZTAH-UHFFFAOYSA-N (2,4-dihydroxyphenyl)-(4-hydroxyphenyl)methanone Chemical compound C1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1O OKJFKPFBSPZTAH-UHFFFAOYSA-N 0.000 claims description 2
- XLBGWOVCPLFKCQ-UHFFFAOYSA-N (2-methylphenyl)-(2,3,4-trihydroxyphenyl)methanone Chemical compound CC1=CC=CC=C1C(=O)C1=CC=C(O)C(O)=C1O XLBGWOVCPLFKCQ-UHFFFAOYSA-N 0.000 claims description 2
- ZRDYULMDEGRWRC-UHFFFAOYSA-N (4-hydroxyphenyl)-(2,3,4-trihydroxyphenyl)methanone Chemical compound C1=CC(O)=CC=C1C(=O)C1=CC=C(O)C(O)=C1O ZRDYULMDEGRWRC-UHFFFAOYSA-N 0.000 claims description 2
- BJTXPZYDJTYEBV-UHFFFAOYSA-N 1,13-bis(2,3,4-trihydroxyphenyl)tridecan-7-one Chemical compound OC1=C(O)C(O)=CC=C1CCCCCCC(=O)CCCCCCC1=CC=C(O)C(O)=C1O BJTXPZYDJTYEBV-UHFFFAOYSA-N 0.000 claims description 2
- FENFUOGYJVOCRY-UHFFFAOYSA-N 1-propoxypropan-2-ol Chemical compound CCCOCC(C)O FENFUOGYJVOCRY-UHFFFAOYSA-N 0.000 claims description 2
- XIROXSOOOAZHLL-UHFFFAOYSA-N 2',3',4'-Trihydroxyacetophenone Chemical compound CC(=O)C1=CC=C(O)C(O)=C1O XIROXSOOOAZHLL-UHFFFAOYSA-N 0.000 claims description 2
- HTQNYBBTZSBWKL-UHFFFAOYSA-N 2,3,4-trihydroxbenzophenone Chemical compound OC1=C(O)C(O)=CC=C1C(=O)C1=CC=CC=C1 HTQNYBBTZSBWKL-UHFFFAOYSA-N 0.000 claims description 2
- SGQHDGJJZODGHE-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethanol;methyl acetate Chemical compound COC(C)=O.OCCOCCO SGQHDGJJZODGHE-UHFFFAOYSA-N 0.000 claims description 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 2
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 claims description 2
- WXYSZTISEJBRHW-UHFFFAOYSA-N 4-[2-[4-[1,1-bis(4-hydroxyphenyl)ethyl]phenyl]propan-2-yl]phenol Chemical compound C=1C=C(C(C)(C=2C=CC(O)=CC=2)C=2C=CC(O)=CC=2)C=CC=1C(C)(C)C1=CC=C(O)C=C1 WXYSZTISEJBRHW-UHFFFAOYSA-N 0.000 claims description 2
- AVCFUELKMOEYSK-UHFFFAOYSA-N 4-[4,4-bis(4-hydroxyphenyl)cyclohexyl]phenol Chemical compound C1=CC(O)=CC=C1C1CCC(C=2C=CC(O)=CC=2)(C=2C=CC(O)=CC=2)CC1 AVCFUELKMOEYSK-UHFFFAOYSA-N 0.000 claims description 2
- YWFPGFJLYRKYJZ-UHFFFAOYSA-N 9,9-bis(4-hydroxyphenyl)fluorene Chemical group C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C2=CC=CC=C21 YWFPGFJLYRKYJZ-UHFFFAOYSA-N 0.000 claims description 2
- VOWWYDCFAISREI-UHFFFAOYSA-N Bisphenol AP Chemical compound C=1C=C(O)C=CC=1C(C=1C=CC(O)=CC=1)(C)C1=CC=CC=C1 VOWWYDCFAISREI-UHFFFAOYSA-N 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- WXNRYSGJLQFHBR-UHFFFAOYSA-N bis(2,4-dihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1O WXNRYSGJLQFHBR-UHFFFAOYSA-N 0.000 claims description 2
- 229940106691 bisphenol a Drugs 0.000 claims description 2
- UHKJHMOIRYZSTH-UHFFFAOYSA-N ethyl 2-ethoxypropanoate Chemical compound CCOC(C)C(=O)OCC UHKJHMOIRYZSTH-UHFFFAOYSA-N 0.000 claims description 2
- DBLVXHJTZIDGHE-UHFFFAOYSA-N ethyl acetate;2-(2-hydroxyethoxy)ethanol Chemical compound CCOC(C)=O.OCCOCCO DBLVXHJTZIDGHE-UHFFFAOYSA-N 0.000 claims description 2
- 229940116333 ethyl lactate Drugs 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000007983 Tris buffer Substances 0.000 claims 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 claims 1
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 5
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- 238000007334 copolymerization reaction Methods 0.000 description 1
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- 125000004185 ester group Chemical group 0.000 description 1
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- 239000012761 high-performance material Substances 0.000 description 1
- NOKUWSXLHXMAOM-UHFFFAOYSA-N hydroxy(phenyl)silicon Chemical class O[Si]C1=CC=CC=C1 NOKUWSXLHXMAOM-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 239000011229 interlayer Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- QVEIBLDXZNGPHR-UHFFFAOYSA-N naphthalene-1,4-dione;diazide Chemical group [N-]=[N+]=[N-].[N-]=[N+]=[N-].C1=CC=C2C(=O)C=CC(=O)C2=C1 QVEIBLDXZNGPHR-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000002130 sulfonic acid ester group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
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- G03F7/322—Aqueous alkaline compositions
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
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- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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Description
R1−R2−Si(R3)3
R4−R5−Si(R6)3
(R7)3Si−R8−Si(R7)3
R1−R2−Si(R3)3
R4−R5−Si(R6)3
(R7)3Si−R8−Si(R7)3
漏斗、冷却管、撹拌機を具備した2Lフラスコに3−(トリエトキシシリル)プロピル無水コハク酸(90.39g、0.30モル)、フェニルトリメトキシシラン(58.88g、0.30モル)、[2−(3,4−エポキシシクロヘキシル)エチル]トリメトキシシラン(87.69g、0.36モル)、メチルトリメトキシシラン(16.18g、0.12モル)、4,4’−ビス(トリエトキシシリル)−1,1’−ビフェニル(56.86g、0.12モル)、プロピレングリコールモノメチルエーテルアセテート(200g)をそれぞれ秤量し、混合した後、この溶液を撹拌しながら、ここに35%HCl水溶液(11.9g、0.1モル)と超純水(80g)との混合液をゆっくり滴下した。この時、発熱温度が50℃を超えないように温度を維持する。滴下後、反応温度を90℃に昇温し、12時間撹拌した。反応終了後、蒸留水を添加して相分離により有機相を回収し、残留溶媒及び水分を留去してポリシルセスキオキサン共重合体樹脂150gを得た。得た共重合体樹脂をプロピルレングリコールモノメチルエーテルアセテート450gに溶解させた。GPC測定結果、共重合体樹脂の重量平均分子量は5,000であった。
漏斗、冷却管、撹拌機を具備した2Lフラスコに3−(トリエトキシシリル)プロピル無水コハク酸91.22g(0.30モル)、フェニルトリメトキシシラン59.42g(0.30モル)、[2−(3,4−エポキシシクロヘキシル)エチル]トリメトキシシラン88.49g(0.36モル)、メチルトリメトキシシラン29.33g(0.22モル)、4,4’−ビス(トリエトキシシリル)−1,1’−ビフェニル11.48g(0.02モル)、プロピレングリコールモノメチルエーテルアセテート200gを秤量しこの溶液を撹拌しながら、ここに35%HCl水溶液11.9g(0.1モル)と超純水80gとの混合液をゆっくり滴下した。この時、発熱温度が50℃を超えないように温度を維持する。滴下終了後、反応温度を90℃に昇温し、12時間撹拌した。反応終了後、蒸留水を添加し相分離によって有機相を回収し、残留溶媒及び水分を留去してポリシルセスキオキサン共重合体樹脂150gを得た。得た共重合体樹脂をプロピレングリコールモノメチルエーテルアセテート450gに溶解させた。GPC測定結果、共重合体樹脂の重量平均分子量は2,000であった。
漏斗、冷却管、撹拌機を具備した2Lフラスコに3−(トリエトキシシリル)プロピル無水コハク酸92.36g(0.30モル)、フェニルトリメトキシシラン60.16g(0.30モル)、[2−(3,4−エポキシシクロヘキシル)エチル]トリメトキシシラン89.60g(0.36モル)、メチルトリメトキシシラン3.31g(0.02モル)、4,4’−ビス(トリエトキシシリル)−1,1’−ビフェニル104.58g(0.22モル)、プロピレングリコールモノメチルエーテルアセテート200gを秤量し上記溶液を撹拌しながら、ここに35%HCl水溶液11.9g(0.1モル)と超純水80gとの混合液をゆっくり滴下した。この時、発熱温度が50℃を超えないように温度を維持する。滴下終了後、反応温度を90℃に昇温し、12時間撹拌した。反応終了後、蒸留水を添加し相分離によって有機相を回収し、残留溶媒及び水分を留去してポリシルセスキオキサン共重合体樹脂150gを得た。得た共重合体樹脂をプロピレングリコールモノメチルエーテルアセテート450gに溶解させた。GPC測定結果、共重合体樹脂の重量平均分子量は20,000であった。
紫外線を遮断し、上記合成例1で製造されたポリシルセスキオキサン樹脂溶液を固形分割合で100重量%、2,3,4,4’−テトラヒドロキシフェノン−1,2−ナフトキノンジアジド−5−スルホネート感光剤(PAC)25重量部、シリコーン系界面活性剤0.5重量部、希釈溶媒でプロピレングリコールモノメチルエーテルアセテートを使って組成物の固形分含量が30重量%となるように希釈して溶解させた後、ポアサイズ0.1μmPTFEメンブレンフィルターで濾過して液状のレジスト組成物を得た。
紫外線を遮断し、上記合成体2で製造されたポリシルセスキオキサン樹脂溶液を固形分割合で100重量部、2,3,4,4’−テトラヒドロキシフェノン−1,2−ナフトキノンジアジド−5−スルホネート感光剤(PAC)25重量部、シリコーン系界面活性剤0.5重量部、希釈溶媒としてプロピレングリコールモノメチルエーテルアセテートを使って組成物の固形分含量が30重量%となるように希釈して溶解させた後、ポアサイズ0.1μmPTFEメンブレンフィルターで濾過して液状のレジスト組成物を得た。
紫外線を遮断し、上記合成例3で製造されたポリシルセスキオキサン樹脂溶液を固形分割合で100重量部、2,3,4,4’−テトラヒドロキシフェノン−1,2−ナフトキノンジアジド−5−スルホネート感光剤(PAC)25重量部、シリコーン系界面活性剤0.5重量部、希釈溶媒としてプロピレングリコールモノメチルエーテルアセテートを使って組成物の固形分含量が30重量%となるように希釈して溶解させた後、ポアサイズ0.1μmPTFEメンブレンフィルターで濾過して液状のレジスト組成物を得た。
紫外線を遮断し、本発明の合成樹脂の代りに、ダウコーニング社製のxiameter RSN−0217フェニルシロキサン樹脂を固形分割合で100重量部、2,3,4,4’−テトラヒドロキシフェノン−1,2−ナフトキノンジアジド−5−スルホネート感光剤(PAC)25重量部、シリコーン系界面活性剤0.5重量部、希釈溶媒としてプロピレングリコールモノメチルエーテルアセテートを使って組成物の固形分含量が30重量%となるように希釈して溶解させた後、ポアサイズ0.1μmPTFEメンブレンフィルターで濾過して液状のレジスト組成物を得た。
本発明の合成樹脂の代りに、下記シグマアルドリッチ社製のポリ(tert−ブチルアクリレート−コ−エチルアクリレート−コ−メタクリル酸)、(メタクリル酸23、酸価140〜160mgKOH/g)アクリル共重合体を固形分割合で100重量部、2,3,4,4’−テトラヒドロキシフェノン−1,2−ナフトキノンジアジド−5−スルホネート感光剤(PAC)25重量部、シリコーン系界面活性剤0.5重量部、希釈溶媒としてプロピレングリコールモノメチルエーテルアセテートを使って組成物の固形分含量が30重量%となるように希釈して溶解させた後、ポアサイズ0.1μmPTFEメンブレンフィルターで濾過して液状のレジスト組成物を得た。
シリコンウェーハ又はガラス基板にレジスト組成物を1,000rpmの速度でスピンコートして成膜した後、ソフトベーク工程でホットプレート(Hot plate)100℃、120秒間ベークし、光学式厚さ測定器(製品名:K−MAC社製のST−4000)を使って塗布膜の厚さを測定する。
3μm〜300μmのline & space1:1間隔のフォトマスク及びG,H,I−line紫外線ランプ付きマスクアライナー(製品名:SUSS MA−6)を使って100mJ/cm2(I−line、365nm基準)エネルギーを照射した後、2.38%TMAH薄いアルカリ水溶液に60秒間現像し、超純水で水洗いする。こうして得られたパターン基板を230℃、30分間オーブンで加熱する。パターンを形成したシリコンウェーハまたはガラス基板を電子顕微鏡で観察し、3μmパターンをスカム(scum)無しに形成した場合は“優秀”、3μmパターンが形成できないかスカムが酷い試料については“不良”と判定した。
下の式1で残膜率を算出した。
式1)残膜率(%)=(現像及び硬化工程後の膜厚さ/初期厚さ)×100
硬化後の試料を熱重量分析(機器名TGA、Perkin elmer社製)を行って常温から600℃まで10℃/min速度で昇温し、温度別重量減少率(loss wt%)を測定した。この時、400℃地点で重量減少率が20%未満は“優秀”、20%〜40%は“普通”、40%以上は“不良”と判定した。
塗布膜形成後、硬化工程を経た上でPR剥離液(商品名、LT−360)に40℃で10分間浸漬した後、膜厚さ/膨潤(Swelling)変化率を算出した。5%未満の膨潤を“優秀”とし、5%以上の膨潤の場合は“不良”と判定した。
ITO基板への塗膜の形成及び硬化工程を経た後、直径1.0のアルミニウム電極を蒸着してMetal−Insulator−Metal(MIM)評価セルを製作した。誘電常数を測定するために、上記評価セルをLCR−meter(アジレント社製4284)を使って塗布されたレジスト膜の静電容量Cを測定し、下記式2で誘電常数を求めた。下記式2において、d=レジスト膜の厚さ、A=蒸着した電極の面積、ε0は常数で真空の誘電常数(8.855×10−12F/m)であり、εは求めようとするレジスト膜の誘電常数である。
式2)C=(ε0εA)/d
塗布膜を形成後硬化工程を経た上で蒸留水に常温で72時間浸漬した後、膜さ/膨潤(swelling)変化率を算出した。2%未満の膨潤を“優秀”とし、2%以上の場合は“不良”と判定した。
2 TFT素子
3 ビアホール絶縁膜
4 ITO電極
5 隔壁絶縁膜
6 OLED発光体蒸着層
Claims (9)
- ポリシルセスキオキサン系共重合体5〜50重量%;
ナフトキノン−1,2−ジアジド−4−スルホン酸エステル基またはナフトキノン−1,2−ジアジド−5−スルホン酸エステル基を有する感光剤2〜40重量%;及び
有機溶媒10〜93重量%を含むポジティブフォトレジスト組成物であり、
前記ポリシルセスキオキサン系共重合体は、下記化学式1で表される化合物、メチルトリメトキシシラン、フェニルトリメトキシシラン、下記化学式2で表される化合物、及び下記化学式3で表される化合物を混合して共重合したポリシルセスキオキサン系共重合体:
[化学式1]
R1−R2−Si(R3)3
[化学式2]
R4−R5−Si(R6)3
[化学式3]
(R7)3Si−R8−Si(R7)3
ここで、
R1は、アルカリ溶液で塩(Salt)を形成することができる置換基または親水性基を表し、
該アルカリ溶液で塩(Salt)を形成することができる置換基または親水性基が、無水マレイン酸、無水イタコン酸、無水コハク酸(Succinic anhydride)、または無水フタル酸(Phthalic anhydride)であり、
R2、R5及びR8は、それぞれ独立して炭素数1〜12の線状若しくは分枝状のアルキレン基、炭素数6〜18の芳香族、または炭素数3〜18の脂環族であり、
R3、R6及びR7は、それぞれ独立して炭素数1〜4のアルコキシ基であり、
R 4 は、グリシジルオキシ、シクロヘキシルエポキシ、オキセタン、アクリルオキシ、メタクリルオキシ、ビニールからなる群より選ばれる。 - R2、R5及びR8は、それぞれ独立して炭素数1〜6の線状若しくは分枝状のアルキレン基、炭素数6〜14の芳香族または脂環族であることを特徴とする、請求項1に記載のポジティブフォトレジスト組成物。
- R2、R5及びR8は、それぞれ独立して炭素数1〜4の線状若しくは分枝状のアルキレン基、フェニレン、ビフェニレン、シクロヘキシレン、またはビシクロヘキシレンであることを特徴とする、請求項2に記載のポジティブフォトレジスト組成物。
- 前記ポリシルセスキオキサン系共重合体の重量平均分子量(Mw)が300〜100,000であり、分散度は1.0〜10.0で、酸価は10〜400mgKOH/gであることを特徴とする、請求項1に記載のポジティブレジスト組成物。
- 感光剤が、9,9−ビス(4−ヒドロキシフェニル)フルオレン、
ビスフェノール−A、
4,4’−[1−[4−[1−(4−ヒドロキシフェニル)−1−メチルエチル]フェニル]−エチリデン]ビスフェノール、2,3,4−トリヒドロキシベンゾフェノン、
2,3,4−トリヒドロキシアセトフェノン、
2,3,4−トリヒドロキシフェニルヘキシルケトン、
2,4,4’−トリヒドロキシベンゾフェノン、
2,4,6−トリヒドロキシベンゾフェノン、
2,3,4−トリヒドロキシ−2’−メチルベンゾフェノン、
2,2’,4,4’−テトラヒドロキシベンゾフェノン、
2,3,4,4’−テトラヒドロキシベンゾフェノン、
4,4’,4”−トリヒドロキシフェニルメタン、
4,4’,4”−エチリデントリス(2−メチルフェノール)、
ビス(4−ヒドロキシフェニル)メチルフェニルメタン、
1,1,4−トリス(4−ヒドロキシフェニル)シクロヘキサン、
2,2’,3,4,4’−ペンタヒドロキシベンゾフェノン、
2,2’,3,4,4’,5−ヘキサヒドロキシベンゾフェノン、
2,2’,3,4,4’−ペンタヒドロキシジフェニルプロパン、及び
2,2’,3,4,4’,5−ペンタヒドロキシジフェニルプロパンからなる群より選ばれる化合物において、ナフトキノン−1,2−ジアジド−4−スルホン酸エステル基またはナフトキノン−1,2−ジアジド−5−スルホン酸エステル基が置換されたものであることを特徴とする、請求項1に記載のポジティブレジスト組成物。 - 有機溶媒が、エチルアセテート、ブチルアセテート、ジエチレングリコールジメチルエチルエーテル、メチルメトキシプロピオネート、エチルエトキシプロピオネート、乳酸エチル、
プロピレングリコールメチルエーテルアセテート、
プロピレングリコールメチルエーテル、プロピレングリコールプロピルエーテル、
メチルセロソルブアセテート、エチルセロソルブアセテート、
ジエチレングリコールメチルアセテート、ジエチレングリコールエチルアセテート、アセトン、メチルイソブチルケトン、シクロヘキサノン、
N−メチル−2−ピロリドン(NMP)、エチレングリコールジメチルエーテル、
テトラヒドロフラン、メチルセロソルブ、エチルセロソルブ、
ジエチレングリコールメチルエーテル、ジエチレングリコールエチルエーテル、
ジプロピレングリコールメチルエーテル、トルエン、及びキシレンからなる群より選ばれた1種以上の溶媒であることを特徴とする、請求項1に記載のポジティブレジスト組成物。 - 液晶表示装置や有機EL表示装置のパターン形成方法において、請求項1乃至6のいずれか一項に記載のポリシルセスキオキサン系ポジティブレジスト組成物を用いることを特徴とする、パターン形成方法。
- ポリシルセスキオキサン系ポジティブレジスト組成物を液晶表示装置のビアホール絶縁膜、平坦化膜、またはパッシベーション絶縁膜として用いることを特徴とする、請求項7に記載の液晶表示装置のパターン形成方法。
- ポリシルセスキオキサン系ポジティブレジスト組成物を有機EL表示装置の平坦化膜または画素形成用隔壁として用いることを特徴とする、請求項7に記載の有機EL表示装置のパターン形成方法。
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TWI518460B (zh) * | 2013-08-13 | 2016-01-21 | Chi Mei Corp | Photosensitive polysiloxane compositions and their use |
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