Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fi

Details Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fi Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fi

1989-06-05

1991-12-17

Lesmes, George F

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428365, 428373, 428374, 428395, 428902, 428920, 525182, D03D 300, D02G 300, B27N 900, C08F 830

Patent

active

050734407

ABSTRACT:
Fibers are disclosed which consist of a combination of para-aramid and poly(vinyl pyrrolidone). The fibers exhibit improved strength and greatly improved dyeability as well as improvements in several other characteristics.

REFERENCES:
patent: 3036988 (1962-05-01), Knospe
patent: 3564075 (1971-02-01), Hermann et al.
patent: 3869429 (1975-03-01), Blades
patent: 4224271 (1980-09-01), Tse
patent: 4228218 (1980-10-01), Takayanagi et al.
patent: 4278779 (1981-07-01), Nakagawa et al.
patent: 4622265 (1986-11-01), Yoon et al.
patent: 4721755 (1988-01-01), Maatman

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