Alkali-resistant synthetic fiber

Details Alkali-resistant synthetic fiber Alkali-resistant synthetic fiber

1991-05-28

1993-04-13

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

525189, 1621573, 1621575, 428357, D02G 300

Patent

active

052021831

ABSTRACT:
An alkali resistant synthetic fiber and a sheeting obtained therefrom are disclosed, the fiber being comprised of a polymer mixture consisting of (A) from 15 to 80% by weight of polysulphone, (B) from 20 to 85% by weight of polyvinyl chloride having a degree of polymerization of from 800 to 2,500, and (C) up to 65% by weight of other vinyl polymer, each based on the total weight of the components (A), (B), and (C). The sheeting is excellent in alkali resistant in high temperatures and liquid retention and is therefore useful as industrial filters, battery separators, and industrial wipers.

REFERENCES:
patent: 3920507 (1975-11-01), Yonemori
patent: 4051300 (1977-09-01), Klein et al.
patent: 4197148 (1980-04-01), Shinomura
patent: 4822382 (1989-04-01), Nelson
patent: 4942091 (1990-07-01), Umezawa et al.

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