JPS57190048A - Color liquid crystal material using anthraquinone dye - Google Patents
Color liquid crystal material using anthraquinone dyeInfo
- Publication number
- JPS57190048A JPS57190048A JP7403581A JP7403581A JPS57190048A JP S57190048 A JPS57190048 A JP S57190048A JP 7403581 A JP7403581 A JP 7403581A JP 7403581 A JP7403581 A JP 7403581A JP S57190048 A JPS57190048 A JP S57190048A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- dye
- color liquid
- crystal material
- anthraquinone dye
- 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
Links
Abstract
NEW MATERIAL:A dye of formulaI(R1WR4 are H, hydroxyl, amino; R5 is alkyl, alkoxy, alkyl-substituted amino; R6 is H, lower alkyl, alkoxy, halogen).
USE: Dichrmic dye for liquid crystal of yellow to purple. A color liquid crystal composition is prepared from the dye and a nematic liquid crystal.
PREPARATION: The condensation reaction between 2-hydroxy-3-aminoanthraquinone derivative of formula II and an acid chloride of formula III is effected by heating them in an inert solvent such as nitrobenzene.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7403581A JPS57190048A (en) | 1981-05-16 | 1981-05-16 | Color liquid crystal material using anthraquinone dye |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7403581A JPS57190048A (en) | 1981-05-16 | 1981-05-16 | Color liquid crystal material using anthraquinone dye |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57190048A true JPS57190048A (en) | 1982-11-22 |
JPS6315959B2 JPS6315959B2 (en) | 1988-04-06 |
Family
ID=13535487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7403581A Granted JPS57190048A (en) | 1981-05-16 | 1981-05-16 | Color liquid crystal material using anthraquinone dye |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57190048A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2542323A1 (en) * | 1983-03-08 | 1984-09-14 | Mitsui Toatsu Chemicals | ANTHRAQUINONIC DICHROIC DYES AND LIQUID CRYSTAL COMPOSITION FOR COLOR DISPLAY CONTAINING SAME |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55123673A (en) * | 1979-03-16 | 1980-09-24 | Mitsui Toatsu Chem Inc | Liquid crystal color display device |
JPS55155083A (en) * | 1979-05-23 | 1980-12-03 | Mitsui Toatsu Chem Inc | Liquid crystal color display composition |
-
1981
- 1981-05-16 JP JP7403581A patent/JPS57190048A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55123673A (en) * | 1979-03-16 | 1980-09-24 | Mitsui Toatsu Chem Inc | Liquid crystal color display device |
JPS55155083A (en) * | 1979-05-23 | 1980-12-03 | Mitsui Toatsu Chem Inc | Liquid crystal color display composition |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2542323A1 (en) * | 1983-03-08 | 1984-09-14 | Mitsui Toatsu Chemicals | ANTHRAQUINONIC DICHROIC DYES AND LIQUID CRYSTAL COMPOSITION FOR COLOR DISPLAY CONTAINING SAME |
Also Published As
Publication number | Publication date |
---|---|
JPS6315959B2 (en) | 1988-04-06 |
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