Dicyano azo dyes having ether substituted aniline couplers

Details Dicyano azo dyes having ether substituted aniline couplers Dicyano azo dyes having ether substituted aniline couplers

C - Chemistry, Metallurgy

09

B

260/174.3, 260/1

C09B 29/00 (2006.01) C09B 29/08 (2006.01) C09B 43/42 (2006.01)

Patent

CA 1091655

TITLE DICYANO AZO DYES HAVING ETHER SUBSTITUTED ANILINE COUPLERS Abstract of the Disclosure This invention relates to blue dyes containing a 2,6- dicyano-4-nitrophenylazo moiety in combination with an aniline coupler containing m-acylamido groups and polyether groups on the coupler nitrogen atom. The dyes have excellent fastness properties and very desirable blue shades when dyed on polyester and cellulose acetate fibers.

313170

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