Process for dyeing polyolefin fiber materials

Details Process for dyeing polyolefin fiber materials Process for dyeing polyolefin fiber materials

D - Textiles, Paper

06

P

8/31.04

D06P 3/00 (2006.01) D06P 1/653 (2006.01) D06P 3/79 (2006.01) D06P 3/82 (2006.01) D06P 5/12 (2006.01)

Patent

CA 1169605

ABSTRACT OF THE DISCLOSURE A process for dyeing polyolefin fiber materials, which comprises contacting a polyolefin fiber material obtained by melt-spinning a mixture of crystalline polyolefin and 0.1 to 30% by weight based on the weight of the polyolefin of a copolymer of ethylene and an aminoalkyl acrylate compound represented by the formula, Image wherein Rl represents hydrogen atom or methyl group, R2 and R3 each represents hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and n represents an integer from 1 to 4, or a blend product of the said polyolefin fiber material and a polyamide fiber material, with a dye bath containing an anionic dye and at least one sparingly water-soluble aliphatic or aromatic carboxylic acid.

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