Self-crimping acrylic fiber from a melt of two non-compatible po

Details Self-crimping acrylic fiber from a melt of two non-compatible po Self-crimping acrylic fiber from a melt of two non-compatible po

1981-06-02

1983-11-29

Seccuro, Carman J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 5432, 525 59, 525199, 525205, 525212, 525213, 525218, 525221, 525222, 525238, 525931, C08L 2306, C08L 2312, C08L 3320

Patent

active

044181760

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: 3133039 (1964-05-01), Davis et al.
patent: 3823204 (1974-07-01), Okada et al.
patent: 3963790 (1976-06-01), Couchoud
patent: 4081498 (1978-03-01), Maranci
patent: 4255532 (1981-03-01), Daftary

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