Process for dyeing or printing aromatic polyamide fibres

Details Process for dyeing or printing aromatic polyamide fibres Process for dyeing or printing aromatic polyamide fibres

D - Textiles, Paper

06

P

8/49

D06P 3/04 (2006.01) D06P 1/613 (2006.01) D06P 1/62 (2006.01) D06P 1/651 (2006.01) D06P 1/667 (2006.01) D06P 3/24 (2006.01)

Patent

CA 1070905

Abstract of the Disclosure A process for dyeing or printing aromatic polyamide fibres with cationic dyes in aqueous medium, wherein the medium contains (a) a carrier which contains no ketoneforming carbonyl groups, and (b) an anionic assistant. The process of the invention is especially suitable to obtain wilt cationic dyes dyeings having a colour yield of 2 to 10 times greater than that obtained by using the same dye liquor but without the addition of any anionic assistant.

240713

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