Process for dyeing textile cellulose material which has not...

Details Process for dyeing textile cellulose material which has not... Process for dyeing textile cellulose material which has not...

Category

C - Chemistry, Metallurgy

Subcategory

09

Subsubcategory

B

CPC

8/14, 8/30

IPC codes

C09B 67/00 (2006.01) D06P 1/52 (2006.01)

Type

Patent

Patent number

CA 1151361

Description

Abstract Cellulose fibre material which has not been pre- cleared, in particular raw cotton, is dyed with vat dyes or anionic dyes in the presence of a homopolymer of maleic acid, especially in the presence of hydrolysed polymaleic anhydride. Dyeing is as a rule carried out by the exhaustion process, is desired in the presence of a further assistant, Fibre mixtures, for example poly- ester/cotton, can also be dyed. Level dyeings are obtained and the cellulose material is free from lime deposits and creases and has perfect levelness and a soft handle.

Application Number

343265

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