Bleaching and dyeing; fluid treatment and chemical modification – Forming – shaping – or reshaping with dyeing process or product
Patent
1993-11-18
1995-11-21
Buttner, David
Bleaching and dyeing; fluid treatment and chemical modification
Forming, shaping, or reshaping with dyeing process or product
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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A Focus on Polypropylene Fibers in Upholstery; Paper presented by Floyd Hill Amoco Fabrics & Fibers, Nov. 3-4, 1993.
Kolm Roger R.
Sheth Paresh J.
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