Process for the dyeing or printing of polyester fibers

Details Process for the dyeing or printing of polyester fibers Process for the dyeing or printing of polyester fibers

D - Textiles, Paper

06

P

8/27

D06P 1/18 (2006.01) C09B 29/08 (2006.01) D06P 3/04 (2006.01) D06P 3/36 (2006.01)

Patent

CA 1104759

Abstract of the disclosure: In the process for the pad-dyeing of printing of mate- rials consisting of, or containing, polyester or polyamide fibers of filaments, whereat in known manner the said mate- rials are padded or printed with an aqueous liquor or print- ing paste of disperse dyestuffs, and subsequently the dye- stuffs are fixed by means of liquid or gaseous methylene chloride or of both of the said phases of methylenechloride, the improvement that a dyestuff of the formula Image in which R1 represents hydrogen, chlorine, bromine or cyano, R2 represents hydrogen, chlorine of alkyl of 1 to 3 carbon atoms and R3 stands for alkyl of 1 to 5 carbon atoms, -C2H4-OH or alkylene Image , is applied.

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