JP4265775B2 - 光学フィルム用添加剤、それを含む光学フィルム、それを用いた偏光板及び液晶表示装置 - Google Patents
光学フィルム用添加剤、それを含む光学フィルム、それを用いた偏光板及び液晶表示装置 Download PDFInfo
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- JP4265775B2 JP4265775B2 JP2004036521A JP2004036521A JP4265775B2 JP 4265775 B2 JP4265775 B2 JP 4265775B2 JP 2004036521 A JP2004036521 A JP 2004036521A JP 2004036521 A JP2004036521 A JP 2004036521A JP 4265775 B2 JP4265775 B2 JP 4265775B2
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- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- AOJOEFVRHOZDFN-UHFFFAOYSA-N benzyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CC=C1 AOJOEFVRHOZDFN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical compound CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-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
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- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 description 1
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- 125000001147 pentyl group Chemical group C(CCCC)* 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
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000010558 suspension polymerization method Methods 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
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Description
ジムロート、滴下ロート、温度計、窒素導入管、撹拌装置を備えた1Lのセパラブルフラスコに、表1記載のモノマーおよびその他の原料を入れ、窒素導入管から窒素を吹き込みながら50℃まで昇温する。その後、アゾビスイソブチロニトリルを少量の重合溶剤で溶解させたものを30分かけて滴下し、滴下終了後70℃まで昇温し、8時間反応を行い、ハロゲン含有高分子紫外線吸収剤を調製した。当該ハロゲン含有高分子紫外線吸収剤をゲル分離クロマトグラフィーで分子量を調べたところ、その重量平均分子量は約10,000であった。
カラムとしては、品名「TSKGel GMHXL(東ソー株式会社製)」×2および品名「TSKGel G2000HXL(東ソー株式会社製)」×1を、移動相としてはテトラヒドロフランを、検出器としては示差屈折率計 品名「RI−8000」を用いた。また、測定条件は、サンプル濃度0.5mg/ml、温度40℃、流量0.8ml/分である。
実施例1と同様にして、実施例2〜4に係るハロゲン含有高分子紫外線吸収剤を調製した。実施例2〜4に係るハロゲン含有高分子紫外線吸収剤について、ゲル分離クロマトグラフィーによる重量平均分子量は表1に併記している。なお、表1において、各成分の割合の単位はg(グラム)である。
実施例1と同様にして、表2記載の原料を用いて比較例1〜3に係る高分子紫外線吸収剤を調製した。比較例1〜3に係る高分子紫外線吸収剤について、ゲル分離クロマトグラフィーによる重量平均分子量を表2に併記している。なお、表2において、各成分の割合の単位はg(グラム)である。
ハロゲン含有高分子紫外線吸収剤の代わりに、市販の低分子紫外線吸収剤チヌビン326(チバファインケミカルス社製)を用いた。
ハロゲン含有高分子紫外線吸収剤の代わりに、市販の低分子紫外線吸収剤ユビナール3050(BASF社製)を用いた。
セルローストリアセテート(酢化度61.0%)100質量部、トリフェニルホスフェート10質量部、実施例1〜4および比較例1〜5の紫外線吸収剤(表1、2に示す)10質量部(固形分換算)、メチレンクロライド400質量部、メタノール50質量部からなる組成物を密閉容器に投入し、加圧下で80℃で2時間撹拌して完全に溶解した。次に、この溶液を濾過し、冷却して30℃に保持し、ステンレス板に300μmのアプリケーターにて塗布した。その後、温風循環式乾燥機を用いて40℃で1分間乾燥し、膜厚40μmのフィルムを得た。
各重合物を3倍容のメタノール中に投入し、ホモミキサーで10分間分散させた後、No.2の濾紙を用いて吸引濾過し、濾物を温風循環式乾燥機にて60℃で24時間乾燥し、高分子紫外線吸収剤を得た。高分子紫外線吸収剤をメチレンクロライドに溶解させ、50%メチレンクロライド溶液を調製した。
[試験例1:相溶性]
上記調製例で調製した各実施例及び比較例の高分子紫外線吸収剤を配合したセルロースエステルフィルムを、濁度計NDH−300(日本電色工業製)を用いて濁度(HAZE値)を測定した。数値が小さいほど透明で良好である。
上記調製例で調製した各実施例及び比較例の紫外線吸収剤を配合したセルロースエステルフィルムを、80℃×90%RHの高温・高湿雰囲気下に100時間放置した後、分光光度計U−3300(日立製作所製)を用いて、波長350nmでの透過率%Tを測定した。試験前後にて変化率(△%T)を求め、変化率の少ないものを良好とした。
上記調製例で調製した各実施例及び比較例の紫外線吸収剤を配合したセルロースエステルフィルムを、70℃、10wt%の水酸化ナトリウム水溶液に5分間浸漬した後、セルロースエステルフィルムの外観変化を目視により観察した。
Claims (5)
- 下記式(1)で表されるベンゾフェノン系紫外線吸収モノマー及び下記式(2)で表されるベンゾトリアゾール系紫外線吸収モノマーから選ばれる少なくとも一種の紫外線吸収モノマー(A)10〜50質量%と、下記式(3)及び下記式(4)で表されるハロゲン含有モノマーから選ばれる少なくとも一種のハロゲン含有モノマー(B)5〜50質量%と、それらと共重合可能なビニルモノマー(C)20〜80質量%との共重合体であって、重量平均分子量が5,000以上100,000以下の共重合体であり、セルロースエステルフィルムに添加されることを特徴とする光学フィルム用添加剤。
(式(1)中、R11は水素原子、炭素数1〜6のアルキル基、又は炭素数1〜6のアルコキシル基を示す。R12は炭素数1〜10のアルキレン基、又は炭素数1〜10のオキシアルキレン基を示し、m1は0又は1を示す。R13は水素原子、又は炭素数1〜3のアルキル基を示す。X1はエステル結合、アミド結合、エーテル結合、又はウレタン結合を示す。)
(式(2)中、R21は水素原子、ハロゲン原子、又はメチル基を示す。R22は水素原子、又は炭素数1〜6の炭化水素基を示す。R23は炭素数1〜10のアルキレン基、又は炭素数1〜10のオキシアルキレン基を示し、m21は0又は1を示す。R24は炭素数1〜8のアルキレン基、アミノ基を有する炭素数1〜8のアルキレン基、又はヒドロキシル基を有する炭素数1〜8のアルキレン基を示し、m22は0又は1を示す。R25は水素原子、又は炭素数1〜3のアルキル基を示す。X2はエステル結合、アミド結合、エーテル結合、又はウレタン結合を示す。)
(式(3)中、R31は水素原子、又は炭素数1〜3のアルキル基を示す。R32は炭素数1〜6のアルキレン基を示す。R33は水素原子、又はCF3基を示す。m3は1〜7の整数を示す。)
(式(4)中、R41は水素原子、又は炭素数1〜3のアルキル基を示す。) - 請求項1記載の光学フィルム用添加剤を、固形分換算で5〜50質量%含有することを特徴とする光学フィルム。
- 前記セルロースエステルフィルムが偏光板保護フィルムであることを特徴とする請求項2記載の光学フィルム。
- 請求項3記載の偏光板保護フィルムを用いたことを特徴とする偏光板。
- 請求項4記載の偏光板を、液晶セルの少なくとも片側に配置したことを特徴とする液晶表示装置。
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| CN101253229B (zh) * | 2005-08-30 | 2012-07-04 | 柯尼卡美能达精密光学株式会社 | 纤维素酯薄膜、偏光片及显示装置 |
| CN101490585B (zh) * | 2006-07-21 | 2010-11-10 | 柯尼卡美能达精密光学株式会社 | 光学薄膜、其制造方法、偏光板及液晶显示装置 |
| JP5221980B2 (ja) * | 2007-03-14 | 2013-06-26 | 富士フイルム株式会社 | 液晶組成物、位相差板、液晶表示装置、及び位相差板の製造方法 |
| WO2008111685A1 (en) * | 2007-03-14 | 2008-09-18 | Fujifilm Corporation | Liquid crystal composition, retardation plate, liquid crystal display device, and process for producing retardation plate |
| JPWO2009047982A1 (ja) * | 2007-10-10 | 2011-02-17 | コニカミノルタオプト株式会社 | 光学用アクリル系樹脂フィルム、該光学用アクリル系樹脂フィルムを用いる偏光板及び液晶表示装置 |
| DE102009001775A1 (de) * | 2009-03-24 | 2010-09-30 | Evonik Röhm Gmbh | (Meth)acrylatpolymere und deren Verwendung als polymergebundene UV-Initiatoren oder Zusatz zu UV-härtbaren Harzen |
| KR20140074581A (ko) * | 2012-12-10 | 2014-06-18 | 동우 화인켐 주식회사 | 아크릴계 공중합체, 이를 함유하는 점착제 조성물 및 이를 이용한 편광판 |
| JP6095766B2 (ja) * | 2013-02-26 | 2017-03-15 | 富士フイルム株式会社 | セルロースアシレートフィルム、新規化合物、偏光板および液晶表示装置 |
| TWI776002B (zh) | 2017-12-28 | 2022-09-01 | 日商三菱瓦斯化學股份有限公司 | 色差校正用光學樹脂材料及光學元件 |
| KR101983744B1 (ko) * | 2018-08-31 | 2019-05-29 | 동우 화인켐 주식회사 | 아크릴레이트계 필름 및 이를 이용한 편광판 |
| CN114058142B (zh) * | 2020-08-04 | 2023-05-12 | 浙江省化工研究院有限公司 | 一种透明含氟聚合物薄膜 |
| JPWO2024116987A1 (ja) * | 2022-12-01 | 2024-06-06 |
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