Claims
- 1. A polarizing film comprising a hydrophobic resin and at least one quinophthalone-base dichroic dyestuff, said dyestuff comprising a quinophthalone compound represented by the following formula ( 1): ##STR161## wherein R.sub.1 -R.sub.5 each independently represents a hydrogen or halogen atom or a hydroxy, linear or branched alkyl, unsubstituted cycloalkyl, cycloalkyl substituted by one or more halogen atoms and/or alkyl groups, halogenated alkyl, alkoxyalkyl, alkoxy, nitro, amino, alkylamino, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, alkylcarbonylamino, alkylcarbonyloxy or cyano group; R.sub.6 -R.sub.17 each independently represents a hydrogen or halogen atom or a hydroxyl, alkyl, halogenated alkyl, alkoxy, nitro, amino, alkylamino, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, alkylcarbonyloxy or cyano group; m and n each stands for 0 or 1; and A represents a hydrogen or halogen atom or a hydroxy, linear or branched alkyl, cycloalkyl, halogenated alkyl, alkoxyalkyl, nitro, amino, alkylamino, cyano, --OQ.sub.2, --NHQ.sub.3, --COOQ.sub.4, --NHCOQ.sub.5, --OCOQ.sub.6, --CH.dbd.CH--Q.sub.7, --C.tbd.C--Q.sub.8, or --N.dbd.N--Q.sub.9 group or a group represented by one of the following formulas (2a)-(2d): ##STR162## wherein Q.sub.1 to Q.sub.9 represent a hydrogen atom or a linear or branched alkyl, unsubstituted cycloalkyl, cycloalkyl group substituted by one or more halogen atoms, hydroxy groups, linear or branched alkyl groups, halogenated alkyl groups, or alkoxy groups, unsubstituted aryl, or aryl group substituted by one or more halogen atoms, hydroxy groups, linear or branched alkyl groups, halogenated alkyl groups, alkoxyalkyl groups, cycloalkyl groups, said substituted cycloalkyl groups, alkoxy groups, aryloxy groups, alkylaminocarbonyl groups, arylaminocarbonyl groups or arylazo groups; X.sub.1 and X.sub.2 represent an --O--, --S-- or --NH-- group; Y.sub.1 and Y.sub.2 represent an unsubstituted aromatic, alicyclic or heterocyclic ring, or an aromatic, alicyclic or heterocyclic ring substituted by halogen atoms and hydroxy, alkyl, halogenated alkyl, alkoxy, carboxy, alkoxycarbonyl, aryloxycarbonyl, alkylaminocarbonyl, arylaminocarbonyl, phenyl, biphenyl and cyclohexyl groups, where said heterocyclic ring is selected from the group consisting of pyridyl, pyrazinyl, pyrimidinyl, indolyl, isoindolyl, quinolyl, isoquinolyl, purinyl, acridinyl, pyrrolyl, thienyl, furyl, benzopyrrolyl, benzothienyl, benzofuranyl, benzoxazolyl, benzothiazolyl, benzimidazolyl, benzotriazolyl, piperidyl, piperazinyl, and groups represented by the following formulas: ##STR163## wherein Q.sub.10 represents a hydrogen atom or a linear or branched alkyl, unsubstituted cycloalkyl, cycloalkyl substituted by one or more halogen atoms or hydroxy, linear or branched alkyl, halogenated alkyl or alkoxy groups, unsubstituted aryl group or aryl group substituted by one or more halogen atoms or hydroxy, linear or branched alkyl, unsubstitlted cycloalkyl, said substituted cycloalkyl groups, alkoxy groups, aryl groups, aryloxy groups, alkylaminocarbonyl groups, arylaminocarbonyl groups or arylazo groups; and Z.sub.1 represents a hydrogen atom or a linear or branched alkyl, unsubstituted cycloalkyl, cycloalkyl group substituted by one or more halogen atoms, hydroxy groups, linear or branched alkyl groups, halogenated alkyl groups, or alkoxy groups, unsubstituted aryl, or aryl group substituted by one or more halogen atoms, hydroxy groups, linear or branched alkyl groups, halogenated alkyl groups, alkoxyalkyl groups, cycloalkyl groups, said substituted cycloalkyl groups, alkoxy groups, aryloxy groups, alkylaminocarbonyl groups, arylaminocarbonyl groups or arylazo groups; wherein said dyestuff is oriented in the hydrophobic resin.
- 2. A polarizing film according to claim 1, wherein R.sub.1, R.sub.2 and R.sub.4 -R.sub.17 are individually a hydrogen atom, R.sub.3 is a hydrogen atom or a linear or branched C.sub.1-5 alkyl group, and m+n=1 or 2.
- 3. A polarizing film according to claim 1, wherein the substituent A is a group represented by the formulas (2a), (2b), (2c) or (2d).
- 4. A polarizing film according to claim 2, wherein the substituent A is a group represented by the formulas (2e), (2f) or (2g): ##STR164## wherein R.sub.21 -R.sub.26 individually represent a hydrogen atom or a linear or branched C.sub.1-10 alkyl, phenyl or C.sub.5-6 cycloalkyl group; R.sub.22 and R.sub.23, R.sub.23 and R.sub.24, and R.sub.24 and R.sub.25 may be coupled together to form 6-membered aromatic rings, respectively; p and q stand for 0-3; and X.sub.1 and X.sub.2 represent an --O--, --S-- or --NH-- group.
Priority Claims (1)
Number |
Date |
Country |
Kind |
6-027731 |
Feb 1994 |
JPX |
|
Parent Case Info
This application is a divisional of application Ser. No. 08/393,426, filed Feb. 23, 1995 now U.S. Pat. No. 5,659,039.
US Referenced Citations (5)
Foreign Referenced Citations (3)
Number |
Date |
Country |
198082 |
Oct 1986 |
EPX |
62-270664 |
Nov 1987 |
JPX |
63-49705 |
Mar 1988 |
JPX |
Non-Patent Literature Citations (2)
Entry |
Chemical Abstracts, vol. 116, No. 10, Mar. 9, 1992. |
Database WPI, Week 8815, AN 88-100839�15!, Mar. 2, 1988. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
393426 |
Feb 1995 |
|