Dyeable polyolefin compositions and dyeing polyolefin compositio

Bleaching and dyeing; fluid treatment and chemical modification – Forming – shaping – or reshaping with dyeing process or product

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Details

8928, 525179, 525194, 525227, D06P 379, D01F 646, D01F 652, C08L 2312

Patent

active

054682592

ABSTRACT:
Disperse dyeable compositions of ethylene alkylacrylate grafted onto polyolefin (isotactic polypropylene) are provided. A process for disperse dyeing polyolefin (isotactic polypropylene) shaped into articles such as fibers is provided. This process comprises (1) extruding the polyolefin with about 2 to 30 percent by weight of a thermoplastic copolymer of ethylene and alkylacrylates having one or four carbons in the alkyl group into fibers, and (2) exposing the fibers to a disperse dye bath containing a disperse dye.

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