JPS60168743A - Colored polyvinyl alcohol film - Google Patents

Colored polyvinyl alcohol film

Info

Publication number
JPS60168743A
JPS60168743A JP2431284A JP2431284A JPS60168743A JP S60168743 A JPS60168743 A JP S60168743A JP 2431284 A JP2431284 A JP 2431284A JP 2431284 A JP2431284 A JP 2431284A JP S60168743 A JPS60168743 A JP S60168743A
Authority
JP
Japan
Prior art keywords
group
formula
hydrogen atom
acid
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2431284A
Other languages
Japanese (ja)
Other versions
JPH0461893B2 (en
Inventor
Tadashi Matsuo
正 松尾
Junko Inoue
井上 順子
Yutaka Hirasawa
平沢 豊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Priority to JP2431284A priority Critical patent/JPS60168743A/en
Publication of JPS60168743A publication Critical patent/JPS60168743A/en
Publication of JPH0461893B2 publication Critical patent/JPH0461893B2/ja
Granted legal-status Critical Current

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  • Optical Filters (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:A colored PVA film having excellent durability, useful as a polarizing plate exhibiting great polarizing ability and excellent contrast, obtained by coloring a PVA film with, as a free acid, a specified water-soluble azo compound or its copper complex salt. CONSTITUTION:A polyvinyl alcohol (PVA) film colored with, as a free acid, a water-soluble azo compound of formula I or its copper complex salt. In the formula I , A is shown by formula II or III (where R1 is H, OH, etc.; R2 is H, an alkyl of 1-2C, etc.; R3 is H or an alkoxy of 1-2C; n is 0 or 1); B is shown by formula IV or V (where R4 is H, OH, etc.; R5 is H, an amino, etc.; R6 is H, sulfone, etc.; R7 is OH, etc. in the o- or p-position to the azo group; p is 0 or 1; q is 0, 1 or 2); X is nitro, an amino, etc.; K is shown by formula II; and m is 0 or 1. Among the compounds of formula I , the compounds of formula VI (where X is H, etc.; Y is methoxy, etc.; A is H, etc.; B is H, etc.; the position of the group of formula VII is 6 or 7) is excluded.

Description

【発明の詳細な説明】 本発明は水溶性アゾ化合物によって着色されたポリビニ
ルアルコール系フィルムに関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a polyvinyl alcohol film colored with a water-soluble azo compound.

更に詳しくは遊離酸として式 〔式(J)においてAは式(a)又は式(b)で表わさ
れ(式(aJ及び(blにおいてR1は水素原子、水ρ
基、C,〜C2のアルキル基又はCI〜C2のアルコキ
シ基を、■t2は水素原子、C1〜C2のアルキル基、
C0〜C2のアルコキシ基、01〜C2のアシルアミノ
基又はウレイド基を、几、は水素原子又はC1〜C2の
アルコキシ基を、nは0又は1をそれぞれ表わす) I3は式(C1又は式(d+で表わされる基を、(式(
C)及び(d)においてR4は水素原子、水酸基、C1
〜C2のアルキル基、C1〜C2のアルコキシ基、アミ
ノ基、01〜C2のアシルアミノ基又はウレイド基を、
R6は水素原子、水酸基、アミノ基、カルボキシル基、
C1\C2のアルコキシ基又は−Nぐ竹::基(Rho
及びR1□は各々独立にC1〜C2のアルキル基、又は
水酸基で置換されたC2〜C3のアルキル基を表わす9
を、几6は水素原子、C1〜C2のアルコキシ基、カル
ボキシル基又はスルホン酸基を、R7はアゾ基に対して
〇−位又はp−位にある水酸基又はアミン基を、 R8
は水素原子、カルボキシル基又はC1〜C2のアルコキ
シ基を、几9は水素原子、水酸基、アミノ基、メチルア
ミノ基、β−ヒドロキシエチルアミノ基、01〜C2の
アシルアミノ基又はフェニル核がニトロ基、アミン基、
水酸基、C1〜C2のアルキル基、カルボキシル基、ス
ルホン酸基又は塩素原子によって置換されていてもよい
フェニルアミノ基又はベンゾイルアミノ基を、pはO又
は1を、qは0,1又は2をそれぞれ表わす)Xばニト
ロ基、アミノ基又mは0又は1をそれぞれ表わす。但し
次式で表わされる化合物を除く。
More specifically, the free acid is represented by the formula [In formula (J), A is represented by formula (a) or formula (b) (in formulas (aJ and (bl), R1 is a hydrogen atom, water ρ
group, C, -C2 alkyl group or CI -C2 alkoxy group, t2 is a hydrogen atom, C1-C2 alkyl group,
I3 represents the formula (C1 or the formula (d+ The group represented by (formula (
In C) and (d), R4 is a hydrogen atom, a hydroxyl group, C1
-C2 alkyl group, C1-C2 alkoxy group, amino group, 01-C2 acylamino group or ureido group,
R6 is a hydrogen atom, a hydroxyl group, an amino group, a carboxyl group,
C1\C2 alkoxy group or -Ngtake:: group (Rho
and R1□ each independently represent a C1-C2 alkyl group or a C2-C3 alkyl group substituted with a hydroxyl group 9
, 几6 is a hydrogen atom, C1-C2 alkoxy group, carboxyl group or sulfonic acid group, R7 is a hydroxyl group or amine group at the ○-position or p-position with respect to the azo group, R8
is a hydrogen atom, a carboxyl group or a C1-C2 alkoxy group; 几9 is a hydrogen atom, a hydroxyl group, an amino group, a methylamino group, a β-hydroxyethylamino group; amine group,
A hydroxyl group, a C1-C2 alkyl group, a carboxyl group, a sulfonic acid group, or a phenylamino group or benzoylamino group which may be substituted with a chlorine atom, p is O or 1, and q is 0, 1 or 2, respectively. X represents a nitro group, an amino group, or m represents 0 or 1, respectively. However, compounds represented by the following formula are excluded.

(上式においてXは水素原子、メチル基、メトキシ基又
はエトキシ基を、Yはメトキシ基又はエトキシ基を、A
は水素原子又はメチル基を、13は水素原子、メチル基
、 C21(40I−I基、し、−Nり合基の位置は6
又は7位である)で表わされる水溶性アゾ化合物又はそ
の銅錯塩によって着色さ、hたポリビニルアルコール系
フィルムに関する。
(In the above formula, X is a hydrogen atom, methyl group, methoxy group or ethoxy group, Y is a methoxy group or ethoxy group, A
is a hydrogen atom or a methyl group, 13 is a hydrogen atom, a methyl group, C21 (40I-I group, and the position of the -N bonding group is 6)
The present invention relates to a polyvinyl alcohol film colored with a water-soluble azo compound or a copper complex salt thereof represented by (or at position 7).

り゛ 偏光板(膜)は従来よりサングラス、ゴーノル等の光学
器機に使用されていたが、電卓、腕時削等の液晶表示装
置に偏光板が用いられるようになって、その重要性が見
向されている機能性材料の1つである。液晶表示装置に
使用される偏光板としてはその偏光性即ちコントラスト
が優れるが故にもっばらヨウ素で着色されたポリビニル
アルコール(以下’P’V Aと略す〕が使用されてき
た。しかし、電卓、腕時計等の小型物品への応用から始
った液晶表示装置も電子技術の進歩により大型物品への
応用が計られ自動車のインパネ、液晶テレビ、計測器、
マイコンやワープロのディスプレー等高性能大型物品へ
とその使用範囲が拡大され、液晶表示装置の耐久性、と
りわけその一部を構成する偏光板の耐久性が益々要求さ
れるに至っている。
Polarizing plates (films) have traditionally been used in optical equipment such as sunglasses and gonors, but their importance has been recognized since they began to be used in liquid crystal display devices such as calculators and wristwatches. It is one of the functional materials that are widely used in the market. Polyvinyl alcohol colored with iodine (hereinafter abbreviated as 'P'V A) has been commonly used as a polarizing plate for liquid crystal display devices because of its excellent polarization properties, that is, contrast. Liquid crystal display devices were first applied to small items such as cars, but with advances in electronic technology, they have been applied to large items such as automobile instrument panels, LCD televisions, measuring instruments, etc.
The scope of use has expanded to include high-performance large-sized products such as microcomputers and word processor displays, and the durability of liquid crystal display devices, especially the durability of the polarizing plates that constitute a part of them, has become increasingly required.

前記したヨウ素で着色されたPVAからなる偏光板の欠
点はその耐久性の不足にあり、特に耐湿熱、耐熱性が悪
い為、高性能物品用の液晶表示装置にはその使用が制限
されているのが実状である。さらに液晶表示装置の薄型
化設計の要望に従って、偏光板と透明電極を一体加工す
る必要が増大しているがヨウ素で着色されたPVAはそ
の加工時の耐熱性が不十分な為、薄型加工が困難である
The disadvantage of the polarizing plate made of PVA colored with iodine mentioned above is its lack of durability, especially poor moist heat resistance and heat resistance, which limits its use in liquid crystal display devices for high-performance products. This is the actual situation. Furthermore, in accordance with the demand for thinner designs of liquid crystal display devices, there is an increasing need to integrally process polarizing plates and transparent electrodes, but iodine-colored PVA has insufficient heat resistance during processing, making it difficult to process thinner panels. Have difficulty.

一方、耐久性が優れ、かつカラー表示の出来る偏光板素
子として染料を用いた偏光板が知られているが、その偏
光能が小さい為文字等のコントラストが低いが故に、広
範囲に゛使用されるには至っていない。このような情況
において本発明者らは鋭意研究の結果、遊離酸として、
式(1)で表わされる水溶性アゾ化合物またはその銅錯
塩で染色されたP V A糸フィルム、殊にその染色の
前または後または染色と同時に一軸延伸することにより
えられた染色P V A糸フィルムが耐久性に優れ、か
つ偏光能が大きくコントラス例えば液晶テレビ用カラー
フィルター、ビデオ用撮像カラーフィルター等について
も耐久性特に耐光性、耐熱性等の優れたカラー光学フィ
ルターの需要が大きくなって来ているが、この様な分野
にも式(1)の化合物で染色されたPVA系フィルムは
利用出来る。光学フィルターとして用いる時は延伸する
必要はないが、フィルムの強度、耐久性等の点より染色
前、染色後または染色と同時に二軸同率または二軸異率
で延伸してもよい。
On the other hand, polarizing plates using dyes are known as polarizing plate elements that are highly durable and capable of color display, but because their polarizing ability is low and the contrast of characters etc. is low, they are not widely used. This has not yet been achieved. Under these circumstances, the present inventors conducted intensive research and found that, as a free acid,
A PVA yarn film dyed with a water-soluble azo compound represented by formula (1) or a copper complex salt thereof, particularly a dyed PVA yarn obtained by uniaxial stretching before, after, or simultaneously with the dyeing. There is a growing demand for color optical filters with excellent durability, especially light resistance, heat resistance, etc., for example, color filters for LCD TVs, imaging color filters for video, etc. However, PVA films dyed with the compound of formula (1) can also be used in such fields. When used as an optical filter, it is not necessary to stretch the film, but in view of the strength and durability of the film, the film may be stretched at the same or different ratios before, after, or simultaneously with the dyeing.

本発明に使用される遊離酸として式(I)で表わされる
化合物及びその銅錯塩は一般的には、次の方法によって
製造出来る。
The compound represented by formula (I) as a free acid used in the present invention and its copper complex salt can generally be produced by the following method.

即ち式 で表わされる化合物をジアゾ化し、式 几2 (式(Illa)中、R+および几2は前記と同じ意味
を表わす。) で表わされる化合物をカップリングし、式(式(fV)
中、X、、FL、およびR2は前記と同じ意味を表わす
。) で表わされる化合物を製造する。次に式(Illまたは
式(iXりで表わされる化合物をジアゾ化し、式(II
Ja)または式Ullb) [1,。
That is, the compound represented by the formula is diazotized, and the compound represented by the formula 2 (in formula (Illa), R+ and 2 represent the same meanings as above) is coupled, and the compound represented by the formula (formula (fV)
In, X, FL, and R2 have the same meanings as above. ) A compound represented by: Next, the compound represented by the formula (Ill or formula (iX) is diazotized, and the compound represented by the formula (II
Ja) or the formula Ullb) [1,.

(式(11,Ib )中、&および1)は前記と同じ意
味を表わず。) で表わされる化合物とカップリングし、式 (式M中、X、、に、A、および2ηは前記と同じ意味
を表わす。) で表わされる化合物を製造し、このものをさらにジアゾ
化し、式 (式(VTc’)においてR6は前記と同じ意味を、几
4′は前記の几4と又R5’は前記のR5と同じ意味を
表わすがR4′、R15′のうち少なくとも1つ几4′
については水酸基又はアミノ基であるか又はRb2につ
いては水酸基、アミン基又は−N (R+o )2(R
+oは前記と同じ意味ヲ牟わずンであるものとする) または式 (式(Vk+) 中、R7、R8,Rs 、I’) オ
J: U qハ前記ト同じ意味を表わす。) で表わされる化合物とカンブリングし、式(式(■1)
中、X+ 、 K 、 m 、 AおよびBは前記と同
じ意味を表わす。) で表わされる化合物を製造し、必要に応じて硫酸銅等を
用い銅錯塩化する一′事により式(vll)の銅錯塩を
製造する。前記と同様に製造した式(1)のXがニトロ
基である式 (式(vlll、l 中、K、 m、 AオヨU 13
ハMl記ト同U意味を表わす。) で表わされる化合物を硫化ソーダ等で還元して式 (式(fX)中、K、 m、 AおよびBは前記と同じ
意味を表わす。〕 で表わさ」する化合物を製造し、必要に応じてさらに硫
酸銅等による銅錯塩化により式(IX)の銅錯塩を製造
する。又別の方法として式 (式(V)c)において几、、R5及びR,6は前記と
同じ意味を表わす。) で表わされる化合物をジアゾ化し式(IIJa)または
式(Illt))で表わされる化合物とカップリングし
、式へ 1−l2N−A−N=N−B、 (X)(式(3)中、
Aは前記と同じ意味を81は前記の式(C1で表わされ
る基を表わす) で表わされる化合物を製造し、さらに式■を4゜4−ジ
ニトロスチルベン−2,2’ −ジスルホン酸とアルカ
リ性で縮合し、更にグリセロール等により還元し、式 (式(入1)中、Aおよび13.は前記と同じ意味7表
わす。) で表わされる化合物を製造し、必要に応じて、硫酸銅等
にまり銅錯塩化し、式(XJ)の銅錯塩を製造し、さら
に必要に応じて式(XJ)を硫化ソー(式(XID中、
AおよびB1は前記と同じ意味を表わす。) で表わされる化合物を製造し、必要に応じて、硫酸銅等
にまり銅錯塩化し式(XIυの銅錯塩を製造する。
(In formula (11, Ib), & and 1) do not have the same meaning as above. ) to produce a compound represented by the formula (in formula M, X, , , A, and 2η have the same meanings as above), which is further diazotized to form the formula (In the formula (VTc'), R6 has the same meaning as above, R4' has the same meaning as R4, and R5' has the same meaning as R5, but at least one of R4' and R15'
For Rb2, it is a hydroxyl group or an amino group, or for Rb2, it is a hydroxyl group, an amine group, or -N (R+o)2(R
+o has the same meaning as above) or the formula (in the formula (Vk+), R7, R8, Rs, I') OJ: U q represents the same meaning as above. ) and the compound represented by the formula (formula (■1)
In the formula, X+, K, m, A and B have the same meanings as above. ) A copper complex salt of the formula (vll) is produced by preparing a compound represented by formula (vll) and, if necessary, converting the compound into a copper complex salt using copper sulfate or the like. Formula (1) produced in the same manner as above, in which X is a nitro group (formula (vllll, l, K, m, Aoyo U 13
C means the same as Ml. ) is reduced with sodium sulfide etc. to produce a compound represented by the formula (in formula (fX), K, m, A and B have the same meanings as above), and if necessary, Further, the copper complex salt of formula (IX) is produced by copper complex salt formation with copper sulfate or the like.Also, as another method, in formula (formula (V) c), 几, , R5 and R, 6 represent the same meanings as above. ) is diazotized and coupled with a compound represented by formula (IIJa) or formula (Illt)) to give the formula 1-l2N-A-N=N-B, (X) (in formula (3) ,
A has the same meaning as above, and 81 represents a group represented by C1.A compound represented by the above formula (representing a group represented by C1) was prepared, and the formula Condensation and further reduction with glycerol etc. to produce a compound represented by the formula (In formula (1), A and 13. have the same meanings as above), and if necessary, add a compound with copper sulfate etc. Copper complex salt is produced to produce a copper complex salt of formula (XJ), and if necessary, formula (XJ) is converted to a sulfurized salt (in formula (XID),
A and B1 have the same meanings as above. ) is prepared, and if necessary, it is mixed with copper sulfate or the like to form a copper complex salt to produce a copper complex salt of the formula (XIυ).

もちろん、これ辺外の製造ルートによっても式(1)で
表わされる化合物およびその銅錯塩は製造出来る。
Of course, the compound represented by formula (1) and its copper complex salt can also be produced by other production routes.

式(J)の化合物は通常ナトリウム塩として利用するが
、それらは遊離酸として、あるいは、カリウム塩、リチ
ウム塩、アンモニウム塩、アルキルアミン類、エタノー
ルアミン類の塩としても利用する事が出来る。
Compounds of formula (J) are usually used as sodium salts, but they can also be used as free acids, potassium salts, lithium salts, ammonium salts, alkylamines, and ethanolamines.

式UJ、la )で表わされる化合物の具体的例として
は2−メトキシ−5−メチルアニリン、2,5−ジメト
キシアニリン、2.5−ジェトキシアニリン、アニリン
、2.5−ジメチルアニリン、m−トルイジン、3−ア
セチルアミノアニリン、2−メトキシ−5−アセチルア
ミノアニリン、2−メトキシ−5−ウレイドアニリン、
3−ウレイドアニリン、2−エトキシ−5−アセチルア
ミノアニリン、2−エトキシ−5−ウレイドアニリン等
が挙げられ、式Cll1b)で表わされる化合物の具体
的な例としては、2−エトキシ−1−ナフチルアミン−
6−スルホン酸、2−メトキシ−1−ナフチルアミン−
6−スルホン酸、2−エトキシ−1−ナフチルアミン、
1−ナフチルアミン、2−メトキシ−1−ナフチルアミ
ン、1−ナフチルアミン−6−スルホン酸、■−ナフチ
ルアミンー7−スルホン酸等が挙げられ、式(VJC’
) で表わされる化合物の具体的な例としては、2−メ
トキシ−5−メチルアニリン、2,5−ジメトキシアニ
リン、2,5−ジェトキシアニリン、サリチル酸、3−
ウレイドアニIJ 7、m−フェニレンジアミン、m−
アミンフェノール、フェノール、3−アミノアセトアニ
リド、3−ジエチルアミノアセトアニリド、3−ジ(β
−ヒドロキシエチル〕アミノアセトアニリド、2−メト
キシ−5−アセチルアミノアニリン、2−メトキシ−5
−ウレイドアニリン、2−エトキシ−5−アセチルアミ
ノアニリン、2−エトキシ−5−ウレイドアニリン、m
−トルイジン2.5−ジメチルアニリン等が挙げられ、
式(Vlc)で表わされる化合物の具体的な例としては
、5−アミノサリチル酸、p−アニシジン−3−スルホ
ン酸、アニリン−3−スルホン酸、p−アミノ安息香酸
、p−アニシジン、p−エトキシアニリン、p−アニシ
ジン−2−スルホン酸等が挙げられ、式(VJd)で表
わされる化合物の具体的例としては、1−ヒドロキシ−
6−アミノナフタレン−3−スルホン酸(以下J酸、l
f。)N−フェニルJ酸、N−メチルJ酸、N−アセチ
ルJ酸、N−メチル−N−アセチルJ酸、N−ベンゾイ
ルJ酸、N−(3−または4−カルボキシフェニル)J
酸、N−(3−または4−スルホフェニル)J酸、N−
(4−アミノ−3−スルホフェニル)J酸、N−(4−
ヒドロキシ−3−カルボキシフェニル)J酸、N−(4
−アミノベンゾイル)J酸、、N−(4−アミノ−3−
スルホベンゾイル)J酸、N−(4−ヒドロキシ−3−
カルボキシベンゾイル)J酸、N−(4−ニトロフェニ
ル)J酸、ヘー(4−ニトロベンゾイル)J酸、N−(
4−アミノ−3−メチルベンゾイル〕J酸、N−(3ま
たは4−カルボキシベンソイル)J酸、N−(3−また
は4−スルホベンゾイル)J酸、N−(β−ヒドロキシ
エチル)J酸、1−ヒドロキシ−7−アミノナフタレン
−3−スルホン酸(以下γ酸と略す。)、N−メチルγ
酸、N−アセチルγ酸、N−メチル−へ−アセチルγ酸
、N−(3−または4−カルボキシベンゾイル)γ酸、
N−(3−または4−スルホベンゾイル)γ酸、N−(
4−アミノ−3−スルホベンゾイル)γ酸、N−フェニ
ルγ酸、N−(4−メチルベンゾイル)γ酸、N−(3
−または4−カルボキシフェニル)γ酸、N−(4−ニ
トロベンソイル)γ酸、N−(3−または4−スルフェ
ニル)γ酸、N−(4−ニトロフェニル)γ酸、N−(
4−7ミノー3−スルホフェニル)γ酸、N−(β−ヒ
ドロキシエチル)r酸、N−(p−メチルフェニル)γ
酸、N−ベンゾイルγ酸、N−メチル−N−アセチルγ
酸、1−ヒドロキー8−アミノナフタレン−3,6−ジ
スルホン酸(以下H酸と略す。)、N−アセチルH酸、
N−ベンソイルH酸、N−(p−)ルエンスルホ=# 
) H酸、N −(ヘンゼンスル、ホニル)H酸、N−
(p−クロルベンゾイル) Il酸、1−ヒドロキシ−
8−アミノナフタレン−3,5−ジスルホン酸(以下に
酸)、N−アセチルI〈酸、1−ヒドロキシ−8−アミ
ノナフタレン−5,7−ジスルホン酸、J−ヒドロキシ
−7−アミノナフタレン−3,6−ジスルホン酸、N 
−(1)−メチルフェニル)J酸、1−ナフトール−3
,6−ジスルホン酸、2−エトキシナフチルアミン−6
−スルホン酸、2−メトキシナフチルアミン−6−スル
ホン酸、α−又はβ−ナフトエ酸、2−ナフトール−3
,6−ジスルホン酸、2−エトキシナフチルアミン、2
−ナフトール−6−スルホン酸、1−ナフチルアミン、
1−ナフチルアミン−6−スルホン酸、1−ナフチルア
ミン−7−スルホン酸等がそれぞれ挙げられる。
Specific examples of compounds represented by the formula UJ, la) include 2-methoxy-5-methylaniline, 2,5-dimethoxyaniline, 2.5-jethoxyaniline, aniline, 2.5-dimethylaniline, m- Toluidine, 3-acetylaminoaniline, 2-methoxy-5-acetylaminoaniline, 2-methoxy-5-ureidoaniline,
3-ureidoaniline, 2-ethoxy-5-acetylaminoaniline, 2-ethoxy-5-ureidoaniline, etc., and specific examples of the compound represented by the formula Cll1b) include 2-ethoxy-1-naphthylamine. −
6-sulfonic acid, 2-methoxy-1-naphthylamine-
6-sulfonic acid, 2-ethoxy-1-naphthylamine,
Examples include 1-naphthylamine, 2-methoxy-1-naphthylamine, 1-naphthylamine-6-sulfonic acid, ■-naphthylamine-7-sulfonic acid, and the formula (VJC'
) Specific examples of compounds represented by 2-methoxy-5-methylaniline, 2,5-dimethoxyaniline, 2,5-jethoxyaniline, salicylic acid, 3-
Ureidoani IJ 7, m-phenylenediamine, m-
Aminephenol, phenol, 3-aminoacetanilide, 3-diethylaminoacetanilide, 3-di(β
-hydroxyethyl]aminoacetanilide, 2-methoxy-5-acetylaminoaniline, 2-methoxy-5
-ureidoaniline, 2-ethoxy-5-acetylaminoaniline, 2-ethoxy-5-ureidoaniline, m
-Toluidine 2,5-dimethylaniline and the like,
Specific examples of the compound represented by formula (Vlc) include 5-aminosalicylic acid, p-anisidine-3-sulfonic acid, aniline-3-sulfonic acid, p-aminobenzoic acid, p-anisidine, p-ethoxy Examples of the compound represented by the formula (VJd) include aniline, p-anisidine-2-sulfonic acid, and 1-hydroxy-
6-aminonaphthalene-3-sulfonic acid (hereinafter referred to as J acid, l
f. ) N-phenyl J acid, N-methyl J acid, N-acetyl J acid, N-methyl-N-acetyl J acid, N-benzoyl J acid, N-(3- or 4-carboxyphenyl) J
acid, N-(3- or 4-sulfophenyl)J acid, N-
(4-amino-3-sulfophenyl)J acid, N-(4-
hydroxy-3-carboxyphenyl) J acid, N-(4
-aminobenzoyl)J acid, N-(4-amino-3-
sulfobenzoyl) J acid, N-(4-hydroxy-3-
carboxybenzoyl) J acid, N-(4-nitrophenyl) J acid, he(4-nitrobenzoyl) J acid, N-(
4-amino-3-methylbenzoyl]J acid, N-(3- or 4-carboxybenzoyl)J-acid, N-(3- or 4-sulfobenzoyl)J-acid, N-(β-hydroxyethyl)J-acid , 1-hydroxy-7-aminonaphthalene-3-sulfonic acid (hereinafter abbreviated as γ acid), N-methyl γ
acid, N-acetyl γ acid, N-methyl-he-acetyl γ acid, N-(3- or 4-carboxybenzoyl) γ acid,
N-(3- or 4-sulfobenzoyl)γ acid, N-(
4-amino-3-sulfobenzoyl) γ acid, N-phenyl γ acid, N-(4-methylbenzoyl) γ acid, N-(3
- or 4-carboxyphenyl) γ acid, N-(4-nitrobenzoyl) γ acid, N-(3- or 4-sulfenyl) γ acid, N-(4-nitrophenyl) γ acid, N-(
4-7minor 3-sulfophenyl)γ acid, N-(β-hydroxyethyl)r acid, N-(p-methylphenyl)γ
acid, N-benzoyl gamma acid, N-methyl-N-acetyl gamma
acid, 1-hydroxy-8-aminonaphthalene-3,6-disulfonic acid (hereinafter abbreviated as H acid), N-acetyl H acid,
N-benzoyl H acid, N-(p-)luenesulfo=#
) H acid, N-(Hensensul,honyl)H acid, N-
(p-chlorobenzoyl) Il acid, 1-hydroxy-
8-aminonaphthalene-3,5-disulfonic acid (hereinafter referred to as acid), N-acetyl I <acid, 1-hydroxy-8-aminonaphthalene-5,7-disulfonic acid, J-hydroxy-7-aminonaphthalene-3 ,6-disulfonic acid, N
-(1)-methylphenyl)J acid, 1-naphthol-3
, 6-disulfonic acid, 2-ethoxynaphthylamine-6
-sulfonic acid, 2-methoxynaphthylamine-6-sulfonic acid, α- or β-naphthoic acid, 2-naphthol-3
, 6-disulfonic acid, 2-ethoxynaphthylamine, 2
-naphthol-6-sulfonic acid, 1-naphthylamine,
Examples include 1-naphthylamine-6-sulfonic acid and 1-naphthylamine-7-sulfonic acid.

本発明におけるPV、A系基材としては、通常のPVA
の他年飽和カルボン酸又はその誘導体、不飽和スルホン
酸又はその誘導体、炭素数2〜30のα−オレフィン等
で約15モル%未満共重合変性された変性ポリビニルア
ルコール、ポリビニルホルマール、ポリビニルアセトア
セタール、ポリビニルブチラール等のポリビニルアセタ
ール、エチレン含fi−15〜55モル%のエチレン−
酢酸ビニル共重合体ケン化物等が挙げられる。そしてこ
れらは吸収フィルター、偏光板製造の為にはフィルム状
で用いられる。
As the PV and A-based base material in the present invention, ordinary PVA
Modified polyvinyl alcohol, polyvinyl formal, polyvinyl acetoacetal, which has been copolymerized with less than about 15 mol% of other saturated carboxylic acids or derivatives thereof, unsaturated sulfonic acids or derivatives thereof, α-olefins having 2 to 30 carbon atoms, etc. Polyvinyl acetal such as polyvinyl butyral, ethylene containing fi-15 to 55 mol% ethylene-
Examples include saponified vinyl acetate copolymers. These are used in film form for the production of absorption filters and polarizing plates.

染色したPVA系フィルムの製造法としては、成型され
たPVA系フィルムそのものを染色する方法、PVA系
樹脂の溶液に染料を添加し、原液染色後製膜する方法等
を挙げる事が出来る。
Examples of the method for producing a dyed PVA film include a method of dyeing the molded PVA film itself, a method of adding a dye to a solution of a PVA resin, and forming a film after dyeing the undiluted solution.

まずPVA系フィルムの一般的な染色方法及び延伸法に
ついて説明する。
First, a general dyeing method and stretching method for PVA film will be explained.

式(1)のアゾ化合物又はその銅錯塩及び必要に応じて
無機塩、界面活性剤等の染色助剤を含有する染浴中に(
1℃ないし70℃好ましくは30〜45℃でP V A
糸フィルムを浸漬して染色し次いで必要に応じてホウ酸
処理し、乾燥する。
(
P V A at 1°C to 70°C, preferably 30 to 45°C.
The yarn film is dyed by dipping, then treated with boric acid if necessary, and dried.

該フィルムに偏光機能を句与させる場合には、染色前、
染色後または染色中に一軸方向に2倍以上特に好ましく
は265〜4倍延伸する。染色前又は染色後に延伸する
場合には湿式延伸の他に乾式条件(通常常温ないし18
0 ℃の範囲)で行ってもよく、また染色と同時に延伸
する場合には染浴中で0〜70℃好ましくは30〜45
℃で延伸する。
When imparting a polarizing function to the film, before dyeing,
After dyeing or during dyeing, it is uniaxially stretched 2 times or more, preferably 265 to 4 times. When stretching before or after dyeing, in addition to wet stretching, dry conditions (usually room temperature to 18%
In the case of stretching at the same time as dyeing, it may be carried out at 0 to 70 degrees Celsius, preferably 30 to 45 degrees Celsius, in a dye bath.
Stretch at °C.

次に原液染色後製膜する方法は、まずPVA系基拐暴利
脂ンを水、有機溶媒、水−アルコール混合溶媒等の溶媒
に溶解し、染料を添加し、原液染色を行う。この染色原
液を流延法、溶液塗布法、押出法等によって製膜し、染
色フィルムを製造する。このようにしてえられた染色フ
ィルムに偏光機能を付与させる場合には該染色フィルム
を前記同様の湿式または乾式条件で一軸方向に延伸する
。 ゛ ここで−軸延伸とは完全に一軸方向にのみ一う−イール
ム?延伸する(自由幅−軸延伸)他、延伸方向に直角の
方向にも幅方向の収縮を防止する為若干の延伸を行う事
(一定幅一軸延伸)をも意味する。
Next, in the method of forming a film after dyeing with a stock solution, first, PVA-based base resin is dissolved in a solvent such as water, an organic solvent, a water-alcohol mixed solvent, etc., a dye is added, and dyeing with a stock solution is performed. This dye stock solution is formed into a film by a casting method, a solution coating method, an extrusion method, etc. to produce a dyed film. When imparting a polarizing function to the dyed film thus obtained, the dyed film is uniaxially stretched under the same wet or dry conditions as described above.゛Here, ``axial stretching'' means completely uniaxial direction only. In addition to stretching (free width - axial stretching), it also means slightly stretching in the direction perpendicular to the stretching direction to prevent widthwise shrinkage (constant width uniaxial stretching).

またフィルムの染色法と、しては前記したような浸漬に
よる染色又は原液染色による染色法が一般的であるが印
捺糊を訓製しこれをフィルムに捺染し、加熱して内部拡
散により染着させる方法を採用する事も出来る。
The most common methods for dyeing films are immersion dyeing or dope dyeing as described above, but printing paste is prepared, printed on the film, heated, and dyed by internal diffusion. It is also possible to adopt a method of making people wear clothes.

式(Ilで表わされる水溶性アゾ化合物又はその銅錯塩
を単独で使用するほか他の染料と配合することにより種
々の色相に染色されたP V A系フィルムを製造する
事ができる。特に多用されるグレー又はブラック用の配
合成分として式(1)の水溶性アゾ化合物又はその錯塩
を使用した場合すぐれた偏光能又は吸収特性を示す染色
フィルムかえられる。
PVA-based films dyed in various hues can be produced by using the water-soluble azo compound represented by the formula (Il) or its copper complex salt alone or by blending it with other dyes. When the water-soluble azo compound of formula (1) or its complex salt is used as a compounding component for gray or black coloring, a dyed film exhibiting excellent polarizing ability or absorption properties can be obtained.

この様にして製造された染色フィルムはそのまま使用さ
れる他耐久性を要求される分野においてはポリエステル
、塩化ビニール1.酢酸トリアセテート、アクリル樹脂
等の支持フィルムを接着したり特殊アクリル樹脂等を染
色されたPVA系フィルムにコーティングして吸収フィ
ルター又は偏光板として使用に供される。
The dyed film produced in this way can be used as is, and in fields where durability is required, polyester, vinyl chloride, etc. It can be used as an absorption filter or a polarizing plate by adhering a support film such as acetic acid triacetate or acrylic resin, or by coating a dyed PVA film with a special acrylic resin or the like.

本発明の染色されたP V A系フィルムは前記したよ
うに一般の光学フィルターとして利用される他、−軸延
伸処理によって偏光機能を付与されたものは偏光特性の
優れた耐久性のあるカラー偏光膜として大きな利用価値
があるものである。
The dyed PVA-based film of the present invention can be used as a general optical filter as described above, and the one that has been given a polarizing function by an axial stretching process can be used as a durable color polarized light with excellent polarizing properties. It has great utility as a membrane.

以下実施例により本発明をさらに詳しく説明するが、フ
ィルムの透過率は波長380〜740nmの範囲でめた
視感透過率で示し、YIは単板Yuは二枚の偏光フィル
ムを同軸が互いに平行になるように配置した場合、Yl
は二枚の四元フィルムを同軸が互いに直交になるように
配置した場合の値を示し、偏光特性の尺度として次式に
尚実施例において部は重量部を、そして百分率は重量百
分率を表わす。又スルホン酸基、カルボキシル基は遊離
酸の形で表わすものとする。
The present invention will be explained in more detail with reference to Examples below. The transmittance of the film is expressed as the luminous transmittance measured in the wavelength range of 380 to 740 nm. If arranged so that Yl
indicates the value when two quaternary films are arranged so that their coaxes are perpendicular to each other, and as a measure of polarization properties, the following formula is used.In the examples, parts are parts by weight, and percentages are percentages by weight. Furthermore, sulfonic acid groups and carboxyl groups are expressed in the form of free acids.

実施例1゜ 式 で表わされるジスアゾ化合物1部、芒硝25部を水10
00部に溶解し、40℃±1°Cの染浴となし1片面を
酢酸トリアセテートで接着保持した4倍延伸PVAフィ
ルム(大きさ3 Q mm X 5 Q ran )を
との染浴に5分間浸漬染色し、水洗後60″Cで温風乾
燥機で乾燥して青色に染色されたPVAフィルムを得た
。この染色フィルムを日立307型カラーアナライザー
の試料側に、無色の一軸延伸PVA(三酢酸セルロース
接着支持)フィルムを補償側におき、単板、二枚の平行
位フィルム及び二枚の直交位フィルムの透過率を測定し
た。染色フィルムのλmax (吸収最大波長)は61
9nm、視感透過率は単板(YI)で38.5%、二枚
平行位(Yu )で25.1%、二枚直交位(¥1)で
38%でありこの時の平均偏光率ρは上式により85.
8%であり優秀な偏光特性を示した。
Example 1 1 part of a disazo compound represented by the formula 25 parts of Glauber's salt was mixed with 10 parts of water.
A 4-fold stretched PVA film (size: 3 Q mm x 5 Q ran), one side of which was adhered and held with acetic acid triacetate, was placed in a dye bath at 40°C ± 1°C for 5 minutes. A PVA film dyed blue was obtained by immersion dyeing, washing with water, and drying in a warm air dryer at 60"C. The transmittance of a single plate, two parallel films, and two orthogonal films was measured with the cellulose acetate adhesive support film placed on the compensation side.The dyed film's λmax (maximum absorption wavelength) was 61
9nm, the luminous transmittance is 38.5% for a single plate (YI), 25.1% for two parallel plates (Yu), and 38% for two plates orthogonal (¥1), and the average polarization rate at this time is ρ is 85 according to the above formula.
8%, showing excellent polarization characteristics.

実施例2゜ P V Aフィルム(厚さ75μ)を大きさ30 wm
X 70 fiに切断し4()℃の温水中で約35倍に
延伸し、延伸状態を保持した状態で式 で表わされるジスアゾ化合物()8部を含む染浴8 (
+ (1部に浸漬染色し、水洗・ホウ酸水処理・水洗を
行った。膜表面の水滴をp紙で十分除去した後60℃の
温風乾燥器で乾燥する事に」:り緑青色の染色フィルム
をえた。
Example 2 PVA film (thickness 75 μm) with size 30 wm
Dye bath 8 containing 8 parts of a disazo compound (
+ (One part was immersed and dyed, washed with water, treated with boric acid, and washed with water.After thoroughly removing the water droplets on the membrane surface with P paper, it was dried in a hot air dryer at 60℃.) A dyed film was obtained.

このフィルムのλ111aXは6 ] Onmで視感透
過率はY。
The λ111aX of this film is 6] Onm, and the luminous transmittance is Y.

:369%、Yll : 24.6%、Y□:44%で
あり平均偏光率ρ=834%であった。
: 369%, Yll: 24.6%, Y□: 44%, and the average polarization rate ρ=834%.

実施例3〜19 実施例1とほぼ同様な方法で、PVA延伸フィルムを次
表で示される化合物で染色する事により染色フィルムを
製造した。
Examples 3 to 19 In substantially the same manner as in Example 1, dyed films were produced by dyeing a PVA stretched film with the compounds shown in the following table.

表中X 、 A、 、 13 、 m 、 Kは式(I
)における基または数を表わす又「銅化の有無」の欄に
おいてrcuJとかいであるものは銅錯塩であることを
示す。(以下の表において同じン 前記実施例でえられた染色フィルムについて実施例1と
同様な方法でλmax、透過率Y、 、 Y、、 、 
Yよを測定し、y、、、y、よりめた平均偏光率ρを次
表に掲、&fだ。
In the table, X, A, , 13, m, K are represented by the formula (I
) represents a group or number, and in the column "Presence or absence of copperification", "rcuJ" indicates that it is a copper complex salt. (In the table below, λmax, transmittance Y, , Y, ,
The average polarization ratio ρ obtained by measuring y, , y, and y is shown in the following table, &f.

実施例20〜27゜ 実施例2とほぼ同様な方法で、PVAフィルムを延伸し
、次表で示される化合物で染色する事により染色フィル
ムを製造した。表中X 、 A 、 B 、 m 、 
Kは式(1)における基または数を表わす。
Examples 20 to 27 In substantially the same manner as in Example 2, a dyed film was produced by stretching a PVA film and dyeing it with the compounds shown in the following table. In the table, X, A, B, m,
K represents a group or a number in formula (1).

前記実施例でえられた染色フィルムの光学特性値実施例
28 で表わされるジスアゾ化合物0.4部を水400部に溶
解し、芒硝10部を添加し、染浴温度を40℃に保持し
、その中にPVAフィルム(厚さ75μ、大きさ40m
mX30順)をv]L、攪拌下で約2分間染色する。染
色後フィルムを水洗し、40℃の5%ホウ酸水溶液中で
約35倍に一軸延伸する。
Optical properties of the dyed film obtained in the above Examples Example 28 0.4 part of the disazo compound represented by 28 was dissolved in 400 parts of water, 10 parts of Glauber's salt was added, and the dye bath temperature was maintained at 40°C. Inside it is a PVA film (thickness 75μ, size 40m)
mX30 order) v]L for about 2 minutes under stirring. After dyeing, the film is washed with water and uniaxially stretched approximately 35 times in a 5% aqueous boric acid solution at 40°C.

延伸状態を保持したまま水洗した。フィルム表面の水分
をP紙で十分除去した後、60°Cの熱風乾燥器で3分
乾燥し適当な大きさにフィルムをカントし、透過率を測
定した。
It was washed with water while maintaining the stretched state. After sufficiently removing moisture on the surface of the film with P paper, it was dried for 3 minutes in a hot air dryer at 60°C, the film was canted to an appropriate size, and the transmittance was measured.

フィルムは深味青色を呈し、λmaXは627.nmで
視感透過率はY+ : 37.3%、yll: 23.
0%、Y□:37%で平均偏光率ρは849%であった
The film has a deep blue color and λmaX is 627. The luminous transmittance in nm is Y+: 37.3%, yll: 23.
0%, Y□: 37%, and the average polarization ratio ρ was 849%.

実施例29〜36 実施例28とほぼ同様な方法でPVAフィルムを次表の
化合物で染色し、その後延伸する事により偏光フィルム
を製造した。表中X 、 A 、 B 、 m 、 K
は式(J)Kおける基または数を表わす。
Examples 29 to 36 PVA films were dyed with the compounds shown in the following table in substantially the same manner as in Example 28, and then stretched to produce polarizing films. In the table: X, A, B, m, K
represents a group or number in formula (J)K.

前記実施例でえられた染色フィルムの光学特性値は次表
に示す通りである。
The optical property values of the dyed films obtained in the above examples are shown in the following table.

実施例37゜ で表わされるジスアゾ化合物3.0部を水3000部に
溶解させ、染浴を40℃とし、その中にPVAフィルム
(厚さ75μ、大きさ30閣X70a)を浸漬し、攪拌
下で染色しながら約90秒かけて35倍に一軸延伸した
。水洗−ホウ酸処理−水洗後膜表面の水滴を除去し、6
0℃の温風乾燥器で約5分乾燥する。得られたフィルム
は青色を呈しλmax 621 nmで、視感透過率は
yl+、3s、9%、Y+1:260%、Y□:40%
で平均偏光率ρは856%と高い値を示した。
Example 3 3.0 parts of a disazo compound represented by 7° was dissolved in 3000 parts of water, the dye bath was heated to 40°C, a PVA film (thickness 75 μm, size 30 mm x 70 mm) was immersed in the dye bath, and the mixture was stirred. The film was uniaxially stretched 35 times for about 90 seconds while being dyed. Water washing - Boric acid treatment - After water washing, water droplets on the membrane surface are removed, and 6
Dry in a warm air dryer at 0°C for about 5 minutes. The obtained film exhibits a blue color, λmax 621 nm, and luminous transmittance is yl+, 3s, 9%, Y+1: 260%, Y□: 40%.
The average polarization ratio ρ was as high as 856%.

実施例38〜46゜ 実施例37と11 ?Y同様な方法で、PVAフィルム
を次表・で表わされる化合物で延伸しながら染色する事
により染色フィルムを製造した。表中、X。
Examples 38-46゜Examples 37 and 11? In the same manner as Y, a dyed film was produced by dyeing a PVA film with the compounds shown in the following table while stretching it. In the table, X.

A+ B’ + n]+ K は式(1)における基ま
たは数を表わす。
A+ B' + n]+ K represents a group or a number in formula (1).

前記実施例でえられた染色フィルムの光学特性値は次表
に示す通りである。
The optical property values of the dyed films obtained in the above examples are shown in the following table.

実施例47゜ ポリヒニールアルコール(ケン化度99−5モル%) 
1.50部を850部の水に溶解し、これに式で表わさ
れるアゾ化合物06部、ホウ酸01部を含む水溶液10
0部を加えて混合し、この原液をエンドレスベルト状に
流延して温度80 ’Cにて製膜する。このフィルムを
40℃の5%ホウ酸液中で約3.5倍に延伸し、水洗後
、フィルム表面の水滴を十分に除去した後、60℃の熱
風乾燥器で約10分間乾燥する。
Example 47゜Polyhinyl alcohol (saponification degree 99-5 mol%)
1.50 parts was dissolved in 850 parts of water, and 10 parts of an aqueous solution containing 06 parts of an azo compound represented by the formula and 01 parts of boric acid was prepared.
0 parts were added and mixed, and the stock solution was cast into an endless belt to form a film at a temperature of 80'C. This film is stretched approximately 3.5 times in a 5% boric acid solution at 40°C, washed with water, water droplets on the film surface are sufficiently removed, and then dried in a hot air dryer at 60°C for approximately 10 minutes.

得られたフィルムはλmax 598111TTであり
、鮮明青色を呈し、視感透過率はYlが39.7%、Y
Bが280%、Ylが49%であり、平均偏光率ρは8
3.9%であった。
The obtained film has a λmax of 598111TT, exhibits a clear blue color, and has a luminous transmittance of 39.7% for Yl and 39.7% for Yl.
B is 280%, Yl is 49%, and the average polarization rate ρ is 8
It was 3.9%.

実施例48〜53 実施例47とほぼ同様な方法により次表で表わされる化
合物で原液着色し、製膜、延伸し、染色フィルムを製造
した。
Examples 48 to 53 In substantially the same manner as in Example 47, dyed films were produced by coloring with the compounds shown in the following table, forming films, and stretching.

表中、X 、 A 、 B 、 m 、 Kは式(1)
における基または数を表わす。
In the table, X, A, B, m, and K are represented by formula (1)
represents a group or number in

前記実施例でえられた染色フィルムは次表に示す光学特
性を有する。
The dyed films obtained in the above examples have the optical properties shown in the following table.

実施例54 で表わされるジスアゾ化合物10部を水1000部に溶
解し、この染浴にエチレン−酢酸ビニル共重合体ケン化
物(エチレン含i30モル%、酢酸ビニル成分リケン化
度99モル%)のフィルム(厚さ75μ、大きさ70 
mrn X 50 mg )を浸漬し40℃で5分間染
色する。染色後水洗し、膜表面の水滴を十分ふき取り8
0℃の乾燥器で約10分間乾燥する。このフィルムは紫
色を呈し、λl11aXは560 nmであった。尚、
染色後40℃のホウ酸溶液中で一軸方向のみならずそれ
と直交する方向にも延伸すると耐性の優れた紫色のフィ
ルムとなった。
Example 54 10 parts of the disazo compound represented by the following formula was dissolved in 1000 parts of water, and a film of saponified ethylene-vinyl acetate copolymer (ethylene content: 30 mol%, vinyl acetate component resaponification degree: 99 mol%) was added to the dyebath. (thickness 75μ, size 70
mrn x 50 mg) and dyed at 40°C for 5 minutes. After dyeing, wash with water and thoroughly wipe off water droplets on the membrane surface 8
Dry in a dryer at 0°C for about 10 minutes. This film had a purple color and λl11aX was 560 nm. still,
After dyeing, the film was stretched in a boric acid solution at 40° C. not only in the uniaxial direction but also in a direction perpendicular to the uniaxial direction, resulting in a purple film with excellent durability.

実施例55〜61゜ 実施例54とほぼ同様な方法により次表に示す化合物で
PVA系フィルムを染色し、カラーフィルターを製造し
た。表中、X 、 A 、 B 、 m 、 Kは式(
11における基または数を表わす。
Examples 55 to 61 In substantially the same manner as in Example 54, a PVA film was dyed with the compounds shown in the following table to produce color filters. In the table, X, A, B, m, and K are expressed by the formula (
represents the group or number in 11.

*]、PVA:ポリビニルアルコール*], PVA: Polyvinyl alcohol

Claims (1)

【特許請求の範囲】[Claims] (1)遊離酸として式 〔式(月においてAは式(aJ又は式(]))で表わさ
れる基を、 (式に])及び(b)においてI(,1は水素原子、水
酸基、01〜C2のアルキル基又はC1へ02のアルコ
キシ基を、 11,2は水素原子、01〜C2のアルキ
ル基、C1へ02のアルコキシ基、C7〜C2のアシル
アミノ基又はウレイド基を、 R3は水素原子又は01
〜C2のアルコキシ基を、nは0又は1をそれぞれ表わ
す) Bは式(C)又は式(d)で表わされる基を、R24 (式(C)及び(d)においてR4は水素原子、水酸基
、CI〜C2のアルキル基、01〜C2のアルコキシ基
、アミノ基、C1〜C2のアシルアミノ基又はウレイド
基を、[も5は水素原子、水酸基、アミン基、カルボキ
シル基、C1〜C2のは各々独立に01〜C2のアルキ
ル基又は水酸基で置換されたC2〜C3のアルキル基を
表わす)を几6は水素原子、00〜C2のアルコキシ基
、カルボキシル基又はスルホン酸基を、1%7はアゾ基
に対して〇−位又はp−位にある水酸基又はアミノ基を
、几8は水素原子、カルボキシル基又はC1〜C2のア
ルコキシ基’it 、 R,は水素原子、水酸基、アミ
ノ基、メチルアミノ基、β−ヒドロキシエチルアミノ基
、01〜C2のアダルアミノ基又はフェニル核がニトロ
基、アミノ基、水酸基、01〜C2のアルキル基、カル
ボキシル基、スルホン酸基又は塩素原子によって置換さ
れて−てもよいフェニルアミノ基又はベンゾイルアミノ
基を、pは0又は1を、qは0,1又は2をそれぞれ表
わす)Xはニトロ基、ア式fa)の基を、mはO又は1
乞それぞれ表わす。但し次式で表わされる化合物を除く
。 (上式においてXは水素原子、メチル基、メトキシ基又
はエトキシ基を、Yはメトキシ基又はエトキシ基を、A
は水素原子又はメチル基を、Bは水素原子、メチル基、
(−〇3tを表わし、−N<8基の位置は6又は7位で
ある)〕 で表わされる水溶性アゾ化合物又はその銅錯塩によって
着色されたポリビニルアルコール系フィルム。
(1) As a free acid, a group represented by the formula [formula (in the month, A is the formula (aJ or the formula (])), and in (b) I (, 1 is a hydrogen atom, a hydroxyl group, ~C2 alkyl group or 02 alkoxy group to C1, 11,2 is a hydrogen atom, 01 to C2 alkyl group, 02 alkoxy group to C1, C7 to C2 acylamino group or ureido group, R3 is a hydrogen atom or 01
~C2 alkoxy group, n represents 0 or 1, respectively) B represents a group represented by formula (C) or formula (d), R24 (In formulas (C) and (d), R4 is a hydrogen atom, a hydroxyl group , CI to C2 alkyl group, 01 to C2 alkoxy group, amino group, C1 to C2 acylamino group or ureido group, [5 is hydrogen atom, hydroxyl group, amine group, carboxyl group, C1 to C2 are each (independently represents an alkyl group of 01 to C2 or an alkyl group of C2 to C3 substituted with a hydroxyl group), 6 is a hydrogen atom, 00 to C2 is an alkoxy group, a carboxyl group, or a sulfonic acid group, and 1%7 is an azo A hydroxyl group or an amino group in the ○-position or p-position with respect to the group, 几8 is a hydrogen atom, a carboxyl group, or a C1-C2 alkoxy group, group, β-hydroxyethylamino group, 01-C2 adalamino group, or phenyl nucleus is substituted with a nitro group, amino group, hydroxyl group, 01-C2 alkyl group, carboxyl group, sulfonic acid group, or chlorine atom. a good phenylamino group or benzoylamino group, p represents 0 or 1, q represents 0, 1 or 2, respectively) X represents a nitro group, a group of the formula fa), m represents O or 1
Each request is expressed. However, compounds represented by the following formula are excluded. (In the above formula, X is a hydrogen atom, methyl group, methoxy group or ethoxy group, Y is a methoxy group or ethoxy group, A
is a hydrogen atom or a methyl group, B is a hydrogen atom, a methyl group,
(Representing -03t, the position of the -N<8 group is the 6th or 7th position)] A polyvinyl alcohol film colored with a water-soluble azo compound or a copper complex salt thereof.
JP2431284A 1984-02-14 1984-02-14 Colored polyvinyl alcohol film Granted JPS60168743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2431284A JPS60168743A (en) 1984-02-14 1984-02-14 Colored polyvinyl alcohol film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2431284A JPS60168743A (en) 1984-02-14 1984-02-14 Colored polyvinyl alcohol film

Publications (2)

Publication Number Publication Date
JPS60168743A true JPS60168743A (en) 1985-09-02
JPH0461893B2 JPH0461893B2 (en) 1992-10-02

Family

ID=12134658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2431284A Granted JPS60168743A (en) 1984-02-14 1984-02-14 Colored polyvinyl alcohol film

Country Status (1)

Country Link
JP (1) JPS60168743A (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986007639A1 (en) * 1985-06-19 1986-12-31 Sumitomo Bakelite Company Limited Transparent conductive film integrated with polarizing membrane
GB2178439A (en) * 1985-06-11 1987-02-11 Mitsubishi Chem Ind Naphthalene trisazo dyes and recording liquids containing them
JPS63165801A (en) * 1986-12-27 1988-07-09 Toray Ind Inc Optical material for laser
JPS63307402A (en) * 1987-06-10 1988-12-15 Nippon Kayaku Co Ltd Color filter
US5007942A (en) * 1988-12-23 1991-04-16 Bayer Aktiengesellschaft Light-polarizing films or sheets containing stilbene dyestuffs
US5272259A (en) * 1988-12-23 1993-12-21 Bayer Aktiengesellschaft Stilbene dyestuffs and light-polarizing films or sheets containing stilbene
WO1994001501A1 (en) * 1992-07-06 1994-01-20 Gaches Chimie S.A. Corrosion protection material and method, and use thereof for aluminium alloys
US5288294A (en) * 1991-09-26 1994-02-22 Ciba-Geigy Corporation Process for dyeing paper with disazo dyes
US5423100A (en) * 1992-08-26 1995-06-13 Mitsui Toatsu Chemicals, Inc. Water-soluble azo compounds and polarizing films using the compounds
EP0688830A1 (en) 1994-06-22 1995-12-27 MITSUI TOATSU CHEMICALS, Inc. Azo compounds and polarizing films using the compounds
WO2000037973A1 (en) * 1998-12-18 2000-06-29 Nippon Kayaku Kabushiki Kaisha Color polarizer with support for liquid crystal projector and color liquid crystal projector
US6790490B1 (en) 1999-07-14 2004-09-14 Nippon Kayaku Kabushiki Kaisha Dye type polarizing plate
WO2007138980A1 (en) 2006-06-01 2007-12-06 Nippon Kayaku Kabushiki Kaisha Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt
WO2007148757A1 (en) 2006-06-22 2007-12-27 Nippon Kayaku Kabushiki Kaisha Azo compound and dye polarizing film containing the same
JP2009169341A (en) * 2008-01-21 2009-07-30 Nitto Denko Corp Polarizer, coating liquid and method for manufacturing polarizer
JP2010168570A (en) * 2008-12-25 2010-08-05 Mitsubishi Chemicals Corp Azo compound for anisotropic film, composition containing the same, anisotropic film, and polarizing element
US8232375B2 (en) 2007-11-02 2012-07-31 Nippon Kayaku Kabushiki Kaisha Azo compound, and dye-containing polarizing film comprising the same
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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178439A (en) * 1985-06-11 1987-02-11 Mitsubishi Chem Ind Naphthalene trisazo dyes and recording liquids containing them
US4841037A (en) * 1985-06-11 1989-06-20 Canon Kabushiki Kaisha Amino sulfonaphtholtrisazo compounds and recording liquids containing the same
GB2178439B (en) * 1985-06-11 1990-02-21 Mitsubishi Chem Ind Trisazo compound and recording liquid containing the same
WO1986007639A1 (en) * 1985-06-19 1986-12-31 Sumitomo Bakelite Company Limited Transparent conductive film integrated with polarizing membrane
JPS63165801A (en) * 1986-12-27 1988-07-09 Toray Ind Inc Optical material for laser
JPH0664203B2 (en) * 1986-12-27 1994-08-22 東レ株式会社 Optical material for laser
JPS63307402A (en) * 1987-06-10 1988-12-15 Nippon Kayaku Co Ltd Color filter
US5007942A (en) * 1988-12-23 1991-04-16 Bayer Aktiengesellschaft Light-polarizing films or sheets containing stilbene dyestuffs
US5272259A (en) * 1988-12-23 1993-12-21 Bayer Aktiengesellschaft Stilbene dyestuffs and light-polarizing films or sheets containing stilbene
US5288294A (en) * 1991-09-26 1994-02-22 Ciba-Geigy Corporation Process for dyeing paper with disazo dyes
WO1994001501A1 (en) * 1992-07-06 1994-01-20 Gaches Chimie S.A. Corrosion protection material and method, and use thereof for aluminium alloys
FR2693742A1 (en) * 1992-07-06 1994-01-21 Gaches Chimie Sa Corrosion protection process and product and application to aluminum alloys.
US5423100A (en) * 1992-08-26 1995-06-13 Mitsui Toatsu Chemicals, Inc. Water-soluble azo compounds and polarizing films using the compounds
US5548073A (en) * 1992-08-26 1996-08-20 Mitsui Toatsu Chemicals, Inc. Water-soluble azo compounds
US5739298A (en) * 1992-08-26 1998-04-14 Mitsui Toatsu Chemicals, Inc. Water-soluble azo compounds
EP0688830A1 (en) 1994-06-22 1995-12-27 MITSUI TOATSU CHEMICALS, Inc. Azo compounds and polarizing films using the compounds
WO2000037973A1 (en) * 1998-12-18 2000-06-29 Nippon Kayaku Kabushiki Kaisha Color polarizer with support for liquid crystal projector and color liquid crystal projector
US6552849B1 (en) 1998-12-18 2003-04-22 Nippon Kayaku Kabushiki Kaisha Color polarizer with support for liquid crystal projector and color liquid crystal projector
US6790490B1 (en) 1999-07-14 2004-09-14 Nippon Kayaku Kabushiki Kaisha Dye type polarizing plate
US7108897B2 (en) 1999-07-14 2006-09-19 Nippon Kayaku Kabushiki Kaisha Dye type polarizing plate
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US7931702B2 (en) 2006-06-01 2011-04-26 Nippon Kayaku Kabushiki Kaisha Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt
US8643809B2 (en) 2006-06-01 2014-02-04 Nippon Kayaku Kabushiki Kaisha Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt
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US8940059B2 (en) 2006-06-22 2015-01-27 Nippon Kayaku Kabushiki Kaisha Azo compound and dye polarizing film containing the same
US8232375B2 (en) 2007-11-02 2012-07-31 Nippon Kayaku Kabushiki Kaisha Azo compound, and dye-containing polarizing film comprising the same
JP2009169341A (en) * 2008-01-21 2009-07-30 Nitto Denko Corp Polarizer, coating liquid and method for manufacturing polarizer
US9354371B2 (en) 2008-05-20 2016-05-31 Nippon Kayaku Kabushiki Kaisha Azo compounds, and dye-based polarizing films and polarizing plates comprising the same
US8477268B2 (en) 2008-06-17 2013-07-02 Nippon Kayaku Kabushiki Kaisha Azo compound and salts thereof, as well as dye-based polarization films and polarizing plates comprising the same
JP2010168570A (en) * 2008-12-25 2010-08-05 Mitsubishi Chemicals Corp Azo compound for anisotropic film, composition containing the same, anisotropic film, and polarizing element
CN103718074A (en) * 2012-02-28 2014-04-09 日东电工株式会社 Polarizing film, image display device, and method for manufacturing polarizing film
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