Process for self-crimping acrylic fiber from a melt of two non-c

Details Process for self-crimping acrylic fiber from a melt of two non-c Process for self-crimping acrylic fiber from a melt of two non-c

1980-03-12

1981-11-17

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With crimping or crinkling of strands of filaments

260 292N, 260 296AN, 260 296R, 264205, 264206, 2642106, 264342RE, 525931, D01D 522

Patent

active

043011047

ABSTRACT:
A self-crimping, melt-spun acrylonitrile polymer fiber comprising as the continuous fiber matrix a first polymer comprising from about 80 to about 99 weight percent acrylonitrile and from about 1 to about 20 weight percent of one or more monomers copolymerizable with acrylonitrile and heterogeneously dispersed within said fiber matrix a second polymer incompatible with said first polymer.

REFERENCES:
patent: 3033813 (1962-05-01), Werner
patent: 4166091 (1979-08-01), Beebe
patent: 4205039 (1980-05-01), Streetman et al.

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