JPS56136853A - Thermally color-developing organic material - Google Patents
Thermally color-developing organic materialInfo
- Publication number
- JPS56136853A JPS56136853A JP4044980A JP4044980A JPS56136853A JP S56136853 A JPS56136853 A JP S56136853A JP 4044980 A JP4044980 A JP 4044980A JP 4044980 A JP4044980 A JP 4044980A JP S56136853 A JPS56136853 A JP S56136853A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- pref
- organic material
- coloring
- aromatic
- 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
Landscapes
- Coloring (AREA)
Abstract
PURPOSE: To prepare a novel organic material giving, when heated, a beautiful azomethine dye having excellent fastness to light and washing, and useful for the coloring of synthetic fiber, by the addition reaction of a specific isoindoline compound with an aromatic primary amine.
CONSTITUTION: The addition reaction of (a) a compound of formula I [A is (substituted) aromatic ring; R is H, alkyl, or aromatic group], pref. 3-imino-4,5,6, 7-tetrachloroisoindoline-1-one and (b) and aromatic primary amine (pref. a diamine such as m-phenylenediamine) in an organic solvent affords the objective compound of formula II or III. The pref. molar ratio of the component (a) to (b) is 2 to 1. The compound thus obtained releases ammonia by heating at 100W300°C, and forms an azomethine dye.
USE: Coloring of synthetic fibers and plastics such as polyester, polyamide, etc.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4044980A JPS56136853A (en) | 1980-03-31 | 1980-03-31 | Thermally color-developing organic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4044980A JPS56136853A (en) | 1980-03-31 | 1980-03-31 | Thermally color-developing organic material |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56136853A true JPS56136853A (en) | 1981-10-26 |
JPS6243469B2 JPS6243469B2 (en) | 1987-09-14 |
Family
ID=12580942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4044980A Granted JPS56136853A (en) | 1980-03-31 | 1980-03-31 | Thermally color-developing organic material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56136853A (en) |
-
1980
- 1980-03-31 JP JP4044980A patent/JPS56136853A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6243469B2 (en) | 1987-09-14 |
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