Acrylic fibers with high physical properties

Details Acrylic fibers with high physical properties Acrylic fibers with high physical properties

1988-05-27

1990-08-28

Schofer, Joseph L.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428902, 5263292, 526341, 526342, 528487, 528503, 264205, 264206, C08F 2044

Patent

active

049524534

ABSTRACT:
Acrylic fibers with high physical properties particularly suitable as material for cement reinforcement are provided by spinning a spinning solution of an acrylonitrile polymer at a particular linear velocity ratio of extrusion, thereby forming gel fibers; regulating the internal water content of the gel fibers, subjecting the fibers to dry-heat treatment under tension or dry-heat stretching under a particular temperature condition; and cooling the fibers under tension.

REFERENCES:
patent: 4001485 (1977-01-01), Patron et al.
patent: 4140844 (1979-02-01), Lohwasser

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