Title:
BIS-AZO COMPOUND, AND METHOD FOR DYEING OR PRINTING FIBER MATERIAL USING THE SAME COMPOUND
Document Type and Number:
Japanese Patent JPH1135839
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject compound useful as reactive dyestuffs improved in reproducibility, build-up properties, leveling, wash-off properties and the effective rate of dyeing power, capable of dyeing at lower concentration of salts and giving dyed goods having such a color as orange, scarlet or red excellent in various sorts of fastness. SOLUTION: This compound is expressed by formula I (m) and (n) are each 0 or 1; W is a divalent coupling group such as NH; D<1> and D<2> are each expressed by formula II [A is phenylene, a substitured phenylene or the like; Y is CH=CH2 or the like; * corresponds to the azo group in the formula I, etc.]}. The compound is obtained by diazotization of a compound of formula III, etc., by a conventional method and then by coupling reaction of the resultant diazocompound with a compound, whose free acid is expressed by formula IV, by a conventional method.
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Inventors:
TOISHI KOJI
KUNIMI NOBUTAKA
OTA YOSHITERU
KUNIMI NOBUTAKA
OTA YOSHITERU
Application Number:
JP8353598A
Publication Date:
February 09, 1999
Filing Date:
March 30, 1998
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
C09B62/09; C09B62/25; C09B62/513; (IPC1-7): C09B62/09; C09B62/25; C09B62/513
Attorney, Agent or Firm:
Takashi Kuboyama (1 person outside)