Dyeable polyolefin compositions and method

Details Dyeable polyolefin compositions and method Dyeable polyolefin compositions and method

1995-05-16

1996-11-19

Buttner, David

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524317, 524318, 525 64, 525 66, 525166, 525167, 525176, 525177, 81301, 8497, 8922, 8928, D06P 379, D01F 646, C08L 2312

Patent

active

055763669

ABSTRACT:
Compositions of ethylene alkyl acrylate grafted onto polypropylene are dyeable with disperse or cationic dyes. A small amount of polyester may be include, along with a hydrophilic modifier comprising a monoglyceride and a salt of a liner alkyl. The hydrophilic modifier also acts as a compatibilizer to bridge the polyester and the polypropylene. A process for dyeing polypropylene fibers comprises combining the polypropylene with a thermoplastic copolymer of ethylene and alkyl acrylates having 1 to 4 carbon atoms in the alkyl group into fibers, adding the polyester to the polypropylene matrix, spinning the composition into fibers, and exposing the fibers to a dye bath. The sulfonic group may be added to the polyester for exposing the fibers to a cationic dye.

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