Process for making oriented, shaped articles of lyotropic polysa

Details Process for making oriented, shaped articles of lyotropic polysa Process for making oriented, shaped articles of lyotropic polysa

1989-04-13

1991-03-19

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264184, 264186, 264200, 264205, 2642103, 2642106, 2642108, 26421116, 26421119, D01D 528

Patent

active

050008986

ABSTRACT:
A process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends by orienting spinnable dopes containing fiber-forming polymers being at least about 55% and less than about 80% lyotropic polysaccharide and at least about 20 percent and less than about 45% thermally-consolidatable polymer and removing the solvent.

REFERENCES:
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patent: 3869429 (1975-04-01), Blades
patent: 4228218 (1980-11-01), Takayanagi
patent: 4340559 (1982-07-01), Yang
patent: 4357389 (1982-11-01), Satoh et al.
patent: 4464323 (1984-08-01), O'Brien
patent: 4631318 (1986-12-01), Hwang et al.
patent: 4725394 (1988-02-01), O'Brien
patent: 4810735 (1989-03-01), Uy
U.S. application Ser. No. 07/315,654 filed 2/27/89.
U.S. application Ser. No. 07/319,492 filed 3/6/89.
U.S. Ser. No. 07/304,461 filed 2/1/89.
Thermoplastic Molecular Composite Development, Copy of slides from presentation Apr. 29, 1988, at DARPA Polymer Program Review, Arlington, Va.

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