JPS5742768A - Preparation of copper complex salt-containing reactive azo dye - Google Patents
Preparation of copper complex salt-containing reactive azo dyeInfo
- Publication number
- JPS5742768A JPS5742768A JP11818480A JP11818480A JPS5742768A JP S5742768 A JPS5742768 A JP S5742768A JP 11818480 A JP11818480 A JP 11818480A JP 11818480 A JP11818480 A JP 11818480A JP S5742768 A JPS5742768 A JP S5742768A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- azo dye
- salt
- complex salt
- copper complex
- 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
PURPOSE: To obtain the titled reactive dye in a high yield, by reacting an azo dye having a sulfatoethylsulfonyl or vinylsulfonyl group, a sulfonic group and a copper complex salt-forming group with a copper-complexing agent in the presence of formic acid or a salt thereof at a specified pH.
CONSTITUTION: An aq. soln. of an azo dye such as one of the formula having a sulfatoethylsulfonyl or vinylsulfonyl group, a sulfonic group and a copper complex salt- forming group is adjusted to 3W7 in pH with successive addition of formic acid or a salt thereof, an alkali (or alkaline earth) metal salt, a copper-complexing agent such as copper sulfate, and an inorg. acid or base, and reacted with these added components at 20W105°C. After completion of the reaction, the reaction soln. is salted out with addition of NaCl, to obtain a copper complex salt-contg. reactive azo dye.
EFFECT: A highly soluble reactive dye giving a product dyed in dark color is obtd.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11818480A JPS6039301B2 (en) | 1980-08-26 | 1980-08-26 | Production method of azo-based reactive dye containing copper complex salt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11818480A JPS6039301B2 (en) | 1980-08-26 | 1980-08-26 | Production method of azo-based reactive dye containing copper complex salt |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5742768A true JPS5742768A (en) | 1982-03-10 |
JPS6039301B2 JPS6039301B2 (en) | 1985-09-05 |
Family
ID=14730218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11818480A Expired JPS6039301B2 (en) | 1980-08-26 | 1980-08-26 | Production method of azo-based reactive dye containing copper complex salt |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6039301B2 (en) |
-
1980
- 1980-08-26 JP JP11818480A patent/JPS6039301B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6039301B2 (en) | 1985-09-05 |
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