JPS5571754A - Monoazo compound and its preparation - Google Patents
Monoazo compound and its preparationInfo
- Publication number
- JPS5571754A JPS5571754A JP14634178A JP14634178A JPS5571754A JP S5571754 A JPS5571754 A JP S5571754A JP 14634178 A JP14634178 A JP 14634178A JP 14634178 A JP14634178 A JP 14634178A JP S5571754 A JPS5571754 A JP S5571754A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- monoazo compound
- pref
- modification
- polyester fibers
- 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
NEW MATERIAL:A monoazo compound of formula I, having an α-modification crystal structure.
USE: A dye having excellent color fastness to light, and capable of dying polyester fibers or mixed fabric of natural fibers such as cotton, silk and wool and polyester fibers, in bright blueish red color.
PROCESS: The β-modification of a monoazo compound obtained by the ethylation of the compound II with diethylsulfuric acid, is converted to the objective compound having strong X-ray diffraction peaks at (2θ=) 6.9°, 8.8°, 9.4°, 11.1°, 13.5°, 19°, 20.4°, and 23.7°, and moderately strong peaks at 16.2°, 18.4°, 21.8°, 22.8°, 25.1°, 27° and 28.9°, by heating at about 80W140°C, pref. 120W135°C for 0.5W4hrs, in an aqueous medium, in the presence of a dispersing agent comprising a concentrate of sulfide pulp waste, pref. containing as main constituents, a condensate of naphthalenesulfonic acid and formaldehyde, and sodium ligninsulfonate.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53146341A JPS5817772B2 (en) | 1978-11-27 | 1978-11-27 | Monoazo compound and its production method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53146341A JPS5817772B2 (en) | 1978-11-27 | 1978-11-27 | Monoazo compound and its production method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5571754A true JPS5571754A (en) | 1980-05-30 |
JPS5817772B2 JPS5817772B2 (en) | 1983-04-09 |
Family
ID=15405499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53146341A Expired JPS5817772B2 (en) | 1978-11-27 | 1978-11-27 | Monoazo compound and its production method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5817772B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743683A (en) * | 1984-07-27 | 1988-05-10 | Ciba-Geigy Ag | Imidazole azo dyes |
KR19980072793A (en) * | 1997-03-07 | 1998-11-05 | 성재갑 | Heteroazo dye composition for dyeing |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50138020A (en) * | 1974-04-03 | 1975-11-04 |
-
1978
- 1978-11-27 JP JP53146341A patent/JPS5817772B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50138020A (en) * | 1974-04-03 | 1975-11-04 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743683A (en) * | 1984-07-27 | 1988-05-10 | Ciba-Geigy Ag | Imidazole azo dyes |
KR19980072793A (en) * | 1997-03-07 | 1998-11-05 | 성재갑 | Heteroazo dye composition for dyeing |
Also Published As
Publication number | Publication date |
---|---|
JPS5817772B2 (en) | 1983-04-09 |
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