Modacrylic shrinkable fiber and method for manufacturing the...

Details Modacrylic shrinkable fiber and method for manufacturing the... Modacrylic shrinkable fiber and method for manufacturing the...

2005-07-08

2009-11-03

Torres-Velazquez, Norca L (Department: 1794)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including strand or fiber material which is a monofilament...

C428S364000, C428S373000, C428S374000, C525S191000

Reexamination Certificate

active

07612000

ABSTRACT:
A modacrylic shrinkable fiber according to the present invention is containing a polymer composition obtained by mixing 50 to 99 parts by weight of a polymer (A) containing 40 wt % to 80 wt % of acrylonitrile, 20 wt % to 60 wt % of a halogen-ontaining monomer and 0 wt % to 5 wt % of a sulfonic-acid-containing monomer, and 1 to 50 parts by weight of a polymer (B) containing 5 wt % to 70 wt % of acrylonitrile, 20 wt % to 94 wt % of an acrylic ester and 1 wt % to 40 wt % of a sulfonic-acid-containing monomer containing a methallylsulfonic acid or metal salts thereof or amine salts thereof, in which a total amount of the polymer (A) and the polymer (B) is 100 parts by weight. In this way, a modacrylic shrinkable fiber that has a favorable color development property after dyeing and a high shrinkage ratio even after dyeing is obtained.

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