JP2008044989A - 重合性液晶組成物 - Google Patents
重合性液晶組成物 Download PDFInfo
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- JP2008044989A JP2008044989A JP2006219692A JP2006219692A JP2008044989A JP 2008044989 A JP2008044989 A JP 2008044989A JP 2006219692 A JP2006219692 A JP 2006219692A JP 2006219692 A JP2006219692 A JP 2006219692A JP 2008044989 A JP2008044989 A JP 2008044989A
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- polymerizable liquid
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- 239000000203 mixture Substances 0.000 title claims abstract description 82
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 23
- 239000011574 phosphorus Substances 0.000 claims abstract description 23
- 125000004432 carbon atom Chemical group C* 0.000 claims description 39
- -1 tetrahydropyran-2,5-diyl group Chemical group 0.000 claims description 34
- 125000000217 alkyl group Chemical group 0.000 claims description 29
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 22
- 125000005843 halogen group Chemical group 0.000 claims description 22
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims description 21
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- 125000002252 acyl group Chemical group 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
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- 101150065749 Churc1 gene Proteins 0.000 claims description 4
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- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
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- 239000003960 organic solvent Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
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- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 2
- 125000005714 2,5- (1,3-dioxanylene) group Chemical group [H]C1([H])OC([H])([*:1])OC([H])([H])C1([H])[*:2] 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 125000004423 acyloxy group Chemical group 0.000 claims description 2
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- 125000003302 alkenyloxy group Chemical group 0.000 claims description 2
- 125000001231 benzoyloxy group Chemical group C(C1=CC=CC=C1)(=O)O* 0.000 claims description 2
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- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000005580 triphenylene group Chemical group 0.000 claims description 2
- YGPLLMPPZRUGTJ-UHFFFAOYSA-N truxene Chemical class C1C2=CC=CC=C2C(C2=C3C4=CC=CC=C4C2)=C1C1=C3CC2=CC=CC=C21 YGPLLMPPZRUGTJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 25
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- 239000000243 solution Substances 0.000 description 13
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- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 7
- 230000001678 irradiating effect Effects 0.000 description 7
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003999 initiator Substances 0.000 description 6
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
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- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
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- 0 *c1c(*)cc2c(cc(*)c(*)c3)c3c3cc(*)c(*)cc3c2c1 Chemical compound *c1c(*)cc2c(cc(*)c(*)c3)c3c3cc(*)c(*)cc3c2c1 0.000 description 1
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- BSYJHYLAMMJNRC-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-ol Chemical compound CC(C)(C)CC(C)(C)O BSYJHYLAMMJNRC-UHFFFAOYSA-N 0.000 description 1
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- ZCGNNESZWJPBLW-UHFFFAOYSA-N dihydroxyphosphanyl dihydrogen phosphite 2-[2-(2-hydroxyphenyl)propan-2-yl]-3,4,5,6-tetra(tridecyl)phenol Chemical compound OP(O)OP(O)O.CCCCCCCCCCCCCC1=C(CCCCCCCCCCCCC)C(CCCCCCCCCCCCC)=C(O)C(C(C)(C)C=2C(=CC=CC=2)O)=C1CCCCCCCCCCCCC ZCGNNESZWJPBLW-UHFFFAOYSA-N 0.000 description 1
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- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
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- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 description 1
- SGKKYCDALBXNCG-UHFFFAOYSA-N tris[2-tert-butyl-4-(3-tert-butyl-4-hydroxy-5-methylphenyl)sulfanyl-5-methylphenyl] phosphite Chemical compound CC(C)(C)C1=C(O)C(C)=CC(SC=2C(=CC(OP(OC=3C(=CC(SC=4C=C(C(O)=C(C)C=4)C(C)(C)C)=C(C)C=3)C(C)(C)C)OC=3C(=CC(SC=4C=C(C(O)=C(C)C=4)C(C)(C)C)=C(C)C=3)C(C)(C)C)=C(C=2)C(C)(C)C)C)=C1 SGKKYCDALBXNCG-UHFFFAOYSA-N 0.000 description 1
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- UIYCHXAGWOYNNA-UHFFFAOYSA-N vinyl sulfide Chemical group C=CSC=C UIYCHXAGWOYNNA-UHFFFAOYSA-N 0.000 description 1
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- Polarising Elements (AREA)
- Liquid Crystal Substances (AREA)
Abstract
【解決手段】 リン系酸化防止剤を含有する重合性液晶組成物及び当該重合性液晶組成物の硬化物である光学異方体を提供する。本願発明の重合性液晶組成物により構成される光学異方体は製造の際に配向欠陥及びハジキが発生することが無いことから優れた品質を有する。当該光学異方体は、位相差フィルム等の用途として種々の液晶ディスプレイに応用することが可能である。
【選択図】 なし
Description
棒状重合性液晶化合物は、一般式(II)
ここで、重合性液晶組成物に含有される化合物として、より具体的には一般式(III)
又、一般式(IV)
又、一般式(V)
一般式(II)で表される化合物の具体例を以下に挙げることができる。
又、一般式(V)で表される化合物の具体例を以下に挙げることができる。
又、円盤状液晶化合物は、ベンゼン誘導体、トリフェニレン誘導体、トルキセン誘導体、フタロシアニン誘導体又はシクロヘキサン誘導体を分子の中心の母核とし、直鎖のアルキル基、直鎖のアルコキシ基又は置換ベンゾイルオキシ基がその側鎖として放射状に置換した構造を有することが好ましく、一般式(VI)
さらに、一般式(VI-a)は具体的には一般式(VI-e)
(実施例1)
式(a)の化合物50質量%
(実施例2)
重合性液晶組成物(A)97.8質量%に光重合開始剤Irgacure-651(チバスペシャリティケミカルズ社製)2.0質量%、式(d)のリン系酸化防止剤Irgafos-38(チバスペシャリティケミカルズ社製)
重合性液晶組成物(A)98質量%に光重合開始剤Irgacure-651(チバスペシャリティケミカルズ社製)2.0質量%を添加した重合性液晶組成物(A5)を調製した。次に重合性液晶組成物(A5)を33質量%含有するキシレン溶液を調製した。このキシレン溶液をポリイミド配向膜付きガラス基板にスピンコート(3000回転/分、30秒)した。スピンコートした基板に窒素雰囲気中で4mW/cm2の紫外線を120秒照射して、重合性液晶組成物(A5)を硬化させた。このようにして得られた光学異方体を偏光顕微鏡(ニコン社製)で観察したところハジキはないが、多数の配向欠陥が認められた。又、得られた光学異方体の加熱前の位相差は141.6nm、230℃で4時間加熱後の位相差は101.2nmであり、位相差の減少率は29%であった。重合性液晶組成物(A3)及び重合性液晶組成物(A4)を硬化して得られた光学異方体と比較して位相差の減少率が大きいことがわかる。又、重合性液晶組成物(A5)を素ガラス基板にスピンコート(3000回転/分、30秒)したところ、はじいて塗れなかった。
重合性液晶組成物(A)97.8質量%に光重合開始剤Irgacure-651(チバスペシャリティケミカルズ社製)2.0質量%、式(e)
実施例及び比較例の比較により、本願発明の重合性液晶組成物は配向欠陥が無く、素ガラス基板に対する塗れ性に優れ、ハジキの点でも従来の重合性液晶組成物より優れていることが分かる。
重合性液晶組成物(A)97.4質量%に光重合開始剤Irgacure-651(チバスペシャリティケミカルズ社製)2.0質量%、リン系酸化防止剤Irgafos-168(チバスペシャリティケミカルズ社製)を0.1質量%、フェノール系酸化防止剤Irganox-1010(チバスペシャリティケミカルズ社製)を0.5質量%添加した本願発明の重合性液晶組成物(A3)を調製した。次に重合性液晶組成物(A3)を33質量%含有するキシレン溶液を調製した。このキシレン溶液をポリイミド配向膜付きガラス基板にスピンコート(3000回転/分、30秒)した。スピンコートした基板に窒素雰囲気中で4mW/cm2の紫外線を120秒照射して、重合性液晶組成物(A3)を硬化させた。このようにして得られた光学異方体の偏光顕微鏡(ニコン社製)で観察したところ、配向欠陥及びハジキがないことが確認できた。又、得られた光学異方体の加熱前の位相差は123.0nm、 230℃で4時間加熱後の位相差は113.8nmであり、位相差の減少率は7%であった。又、重合性液晶組成物(A3)を素ガラス基板にスピンコート(3000回転/分、30秒)したところ、はじくことなく塗れた。
(実施例4)
重合性液晶組成物(A)97.0質量%に光重合開始剤Irgacure-651(チバスペシャリティケミカルズ社製)2.0質量%、リン系酸化防止剤Irgafos-168(チバスペシャリティケミカルズ社製)、フェノール系酸化防止剤Irganox-1010(チバスペシャリティケミカルズ社製)及び式(f)のラクトン系酸化防止剤Irganox-HP136(チバスペシャリティケミカルズ社製)
Claims (13)
- リン系酸化防止剤を含有することを特徴とする重合性液晶組成物。
- リン系酸化防止剤が一般式(I-a)、一般式(I-b)又は一般式(I-c)
- フェノール系酸化防止剤、硫黄系酸化防止剤及びラクトン系酸化防止剤からなる群より選ばれる酸化防止剤を含有する請求項1記載の重合性液晶組成物。
- リン系酸化防止剤の含有量が0.01〜5質量%である請求項1記載の重合性液晶組成物。
- 請求項1記載の重合性液晶組成物及び有機溶媒を含有する重合性組成物。
- 一般式(II)
- 一般式(II)において、Spがアルキレン基を表し、(該アルキレン基は1つ以上のハロゲン原子又はCNにより置換されていても良く、この基中に存在する1つのCH2基又は隣接していない2つ以上のCH2基はそれぞれ相互に独立して、酸素原子が相互に直接結合しない形で、-O-、-S-、-NH-、-N(CH3)-、-CO-、-COO-、-OCO-、-OCOO-、-SCO-、-COS-又は-C≡C-により置き換えられていても良い。)MGが一般式(II-b)
- 一般式(IV)
- 一般式(V)
- ベンゼン誘導体、トリフェニレン誘導体、トルキセン誘導体、フタロシアニン誘導体又はシクロヘキサン誘導体を分子の中心の母核とし、直鎖のアルキル基、直鎖のアルコキシ基又は置換ベンゾイルオキシ基がその側鎖として放射状に置換した構造である円盤状液晶化合物を含有する請求項1記載の重合性液晶組成物。
- 円盤状液晶化合物が一般式(VI)で表される請求項11記載の重合性液晶組成物。
- 請求項1から12の何れかに記載の重合性液晶組成物の重合体を含有する光学異方体。
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