JP2002275381A5 - - Google Patents
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- JP2002275381A5 JP2002275381A5 JP2001261128A JP2001261128A JP2002275381A5 JP 2002275381 A5 JP2002275381 A5 JP 2002275381A5 JP 2001261128 A JP2001261128 A JP 2001261128A JP 2001261128 A JP2001261128 A JP 2001261128A JP 2002275381 A5 JP2002275381 A5 JP 2002275381A5
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- Prior art keywords
- carbon atoms
- sulfo
- salt
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Description
【特許請求の範囲】
【請求項1】
下式(I)
【化1】
(式中、Aは、1〜3個のスルホを有するナフチルを表すか、或いは、スルホ及びカルボキシルから選ばれる1〜2個の水溶性基を有し、炭素数1〜4の直鎖若しくは分岐状のアルキル又は炭素数1〜4の直鎖若しくは分岐状のアルコキシを有していてもよいフェニルを表し、R1〜R6は、同一又は相異なり、水素、炭素数1〜4の直鎖若しくは分岐状のアルキル又は炭素数1〜4の直鎖若しくは分岐状のアルコキシを表し、R7は水素若しくはスルホを表し、Dは−NHCO−、−N=N−若しくは−NH−を表し、Eはヒドロキシ、アミノ、ニトロ、スルホ、カルボキシル、炭素数1〜4の直鎖若しくは分岐状のアルキル及び炭素数1〜4の直鎖若しくは分岐状のアルコキシから選ばれる1〜3個の基を有していてもよいフェニルを表す。)
で示されるポリアゾ化合物又はその塩。
【請求項2】
Aが、2〜3個のスルホを有する2−ナフチルであるか、又は、スルホ及びカルボキシルから選ばれる1〜2個の水溶性基を有するフェニルである請求項1に記載のポリアゾ化合物又はその塩。
【請求項3】
R1〜R6が、同一又は相異なり、水素若しくはメチルである請求項1〜2に記載のポリアゾ化合物又はその塩。
【請求項4】
Eが、p−ヒドロキシフェニル若しくはp−アミノフェニルである請求項1〜3に記載のアゾ化合物又はその塩。
【請求項5】
請求項1〜4のいずれかに記載のポリアゾ化合物又はその塩を偏光膜基材に含有してなる染料系偏光膜。
【請求項6】
偏光膜基材が、ポリビニルアルコール系の樹脂からなるフィルムである請求項5に記載の染料系偏光膜。
[Claims]
(1)
The following formula (I)
Embedded image
(In the formula, A, or naphthyl having 1 to 3 sulfo, walk has 1-2 water-soluble groups selected from sulfo and carboxyl, straight-chain having 1 to 4 carbon atoms or branched alkyl or represents phenyl which may have a straight-chain or branched alkoxy having 1 to 4 carbon atoms, R 1 to R 6 are the same or different, hydrogen, 1 to 4 carbon atoms linear or branched alkyl or represents straight-chain or branched alkoxy having 1 to 4 carbon atoms, R 7 represents hydrogen or sulfo, D is -NHCO -, - N = N- or -NH- Wherein E is 1 to 3 carbon atoms selected from hydroxy, amino, nitro, sulfo, carboxyl, linear or branched alkyl having 1 to 4 carbons and linear or branched alkoxy having 1 to 4 carbons Represents phenyl optionally having a group )
Or a salt thereof.
(2)
A is 2-naphthyl having 2 to 3 sulfos, or phenyl having 1 to 2 water-soluble groups selected from sulfo and carboxyl, or the polyazo compound or salt thereof according to claim 1. .
(3)
The polyazo compound or a salt thereof according to claim 1, wherein R 1 to R 6 are the same or different and are hydrogen or methyl.
(4)
The azo compound or a salt thereof according to claim 1, wherein E is p-hydroxyphenyl or p-aminophenyl.
Claim 5.
A dye-based polarizing film comprising the polarizing film substrate containing the polyazo compound or a salt thereof according to claim 1.
6.
The dye-based polarizing film according to claim 5, wherein the polarizing film substrate is a film made of a polyvinyl alcohol-based resin.
(式中、Aは、1〜3個のスルホを有するナフチルを表すか、或いは、スルホ及びカルボキシルから選ばれる1〜2個の水溶性基を有し、炭素数1〜4の直鎖若しくは分岐状のアルキル又は炭素数1〜4の直鎖若しくは分岐状のアルコキシを有していてもよいフェニルを表し、R1〜R6は、同一又は相異なり、水素、炭素数1〜4の直鎖若しくは分岐状のアルキル又は炭素数1〜4の直鎖若しくは分岐状のアルコキシを表し、R7は水素若しくはスルホを表し、Dは−NHCO−、−N=N−若しくは−NH−を表し、Eはヒドロキシ、アミノ、ニトロ、スルホ、カルボキシル、炭素数1〜4の直鎖若しくは分岐状のアルキル及び炭素数1〜4の直鎖若しくは分岐状のアルコキシから選ばれる1〜3個の基を有していてもよいフェニルを表す。)
で示されるポリアゾ化合物又はその塩、
並びに、
(ロ)上記(イ)のポリアゾ化合物又はその塩を偏光膜基材に含有してなる染料系偏光膜を提供するものである。
以下、本発明を詳細に説明する。
(In the formula, A, or naphthyl having 1 to 3 sulfo, walk has 1-2 water-soluble groups selected from sulfo and carboxyl, straight-chain having 1 to 4 carbon atoms or branched alkyl or represents phenyl which may have a straight-chain or branched alkoxy having 1 to 4 carbon atoms, R 1 to R 6 are the same or different, hydrogen, 1 to 4 carbon atoms linear or branched alkyl or represents straight-chain or branched alkoxy having 1 to 4 carbon atoms, R 7 represents hydrogen or sulfo, D is -NHCO -, - N = N- or -NH- Wherein E is 1 to 3 carbon atoms selected from hydroxy, amino, nitro, sulfo, carboxyl, linear or branched alkyl having 1 to 4 carbons and linear or branched alkoxy having 1 to 4 carbons Represents phenyl optionally having a group )
A polyazo compound represented by or a salt thereof,
And
(B) A dye-based polarizing film comprising the above-mentioned polyazo compound (a) or a salt thereof in a polarizing film substrate.
Hereinafter, the present invention will be described in detail.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001261128A JP4815721B2 (en) | 2001-01-10 | 2001-08-30 | Polyazo compound or salt thereof and dye-based polarizing film containing them |
TW90128658A TW572970B (en) | 2000-11-27 | 2001-11-20 | Polyazo compound or salt thereof and dye-based polarization film containing the same |
KR1020010073425A KR100824343B1 (en) | 2000-11-27 | 2001-11-23 | Polyazo compound or salt thereof and dye-based polarization film containing the same |
US09/990,374 US6399752B1 (en) | 2000-11-27 | 2001-11-23 | Polyazo compound or salt thereof and dye-based polarization film containing the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001002360 | 2001-01-10 | ||
JP2001002360 | 2001-01-10 | ||
JP2001-2360 | 2001-01-10 | ||
JP2001261128A JP4815721B2 (en) | 2001-01-10 | 2001-08-30 | Polyazo compound or salt thereof and dye-based polarizing film containing them |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2002275381A JP2002275381A (en) | 2002-09-25 |
JP2002275381A5 true JP2002275381A5 (en) | 2008-08-14 |
JP4815721B2 JP4815721B2 (en) | 2011-11-16 |
Family
ID=26607455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001261128A Expired - Fee Related JP4815721B2 (en) | 2000-11-27 | 2001-08-30 | Polyazo compound or salt thereof and dye-based polarizing film containing them |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4815721B2 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100419029C (en) | 2003-04-16 | 2008-09-17 | 日本化药株式会社 | Azo compound and salt thereof |
KR101124113B1 (en) | 2004-02-04 | 2012-03-21 | 가부시키가이샤 폴라테크노 | Azo compound and polarizing film and polarizing plate each containing the same |
JP4543878B2 (en) * | 2004-10-26 | 2010-09-15 | 住友化学株式会社 | Dye for polarizing film and dye-based polarizing film containing the dye |
US7445822B2 (en) | 2004-11-24 | 2008-11-04 | Nippon Kayaku Kabushiki Kaisha | Azo compounds and dye-type polarizing films or plates containing the same |
DE602007012864D1 (en) | 2006-06-01 | 2011-04-14 | Nippon Kayaku Kk | AZOVER BINDING AND ITS SALT AND THE COMPOUND OR SALT-CONTAINING COLORING POLARIZATION FILM |
KR101298412B1 (en) | 2006-06-13 | 2013-08-20 | 가부시키가이샤 폴라테크노 | Azo compound and dye polarizing film containing the same |
EP2194102A1 (en) | 2006-06-22 | 2010-06-09 | Nippon Kayaku Kabushiki Kaisha | Dye polarizing film containing a trisazo compound |
TWI406907B (en) | 2007-11-02 | 2013-09-01 | Nippon Kayaku Kk | Azo compounds and dye-containing polarizing films containing the same |
CN102037082B (en) | 2008-05-20 | 2014-05-28 | 日本化药株式会社 | Azo compounds, and dye-based polarizing films and polarizing plates comprising the same |
JP5366947B2 (en) | 2008-06-17 | 2013-12-11 | 日本化薬株式会社 | Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing them |
US9244194B2 (en) | 2011-02-07 | 2016-01-26 | Nippon Kayaku Kabushiki Kaisha | Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same |
WO2012108169A1 (en) * | 2011-02-07 | 2012-08-16 | 日本化薬株式会社 | Azo compound, dye-based polarizing film, and polarizing plate |
KR20160138070A (en) * | 2014-03-31 | 2016-12-02 | 닛뽄 가야쿠 가부시키가이샤 | Azo compound, dye-based polarizing film containing same, and polarizing plate |
US10126468B2 (en) | 2014-06-03 | 2018-11-13 | Nippon Kayaku Kabushiki Kaisha | Achromatic polarizing plate with high-transmissivity and high-degree of polarization |
KR20210057027A (en) | 2018-09-05 | 2021-05-20 | 닛뽄 가야쿠 가부시키가이샤 | Polarizing element and polarizing plate and optical member using the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06122830A (en) * | 1992-08-26 | 1994-05-06 | Mitsui Toatsu Chem Inc | Water-soluble azo compound and polarizing film produced by using the compound |
JP3617540B2 (en) * | 1994-09-08 | 2005-02-09 | 三井化学株式会社 | Azo compound and polarizing film using the compound |
JP3711601B2 (en) * | 1995-02-20 | 2005-11-02 | 住友化学株式会社 | Azo compound and dye-based polarizing film containing the same |
JPH09302250A (en) * | 1996-05-10 | 1997-11-25 | Sumitomo Chem Co Ltd | Azo compound and dye-based polarizing film comprising the same |
JPH09302249A (en) * | 1996-05-14 | 1997-11-25 | Sumitomo Chem Co Ltd | Azo compound and dye-based polarizing film comprising the same |
-
2001
- 2001-08-30 JP JP2001261128A patent/JP4815721B2/en not_active Expired - Fee Related
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