Bleedfast phthalocyanine dyes for paper

Details Bleedfast phthalocyanine dyes for paper Bleedfast phthalocyanine dyes for paper

C - Chemistry, Metallurgy

09

B

8/4, 260/197.1

C09B 47/04 (2006.01) C09B 47/26 (2006.01) D06P 1/14 (2006.01) D21H 21/28 (2006.01)

Patent

CA 1074304

ABSTRACT The novel copper phthalocyanine-based compound Image where n is an average number of 3 to 4, a is 0 to 3 but less than n, and CPC is copper phthalocyanine, and its acid solu- tions are blue dyes particularly for paper and have excellent bleedfastness. The compound is prepared by reacting copper phthalocyanine sulfonyl chloride with the cyanoamino compounds formed from the reaction between acrylonitrile and ethylene- diamine.

284467

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