Flexible, microporous rubber base articles

Details Flexible, microporous rubber base articles Flexible, microporous rubber base articles

1978-06-16

1980-10-07

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429254, 20415915, 521 62, 525305, H01M 216, C08J 928

Patent

active

042269261

ABSTRACT:
As an article of manufacture, a microporous flexible shape or sheet of a sulfur-free, cured polymeric material of a curable rubber, an ethylene-propylene copolymer or mixtures of the curable rubber and ethylene-propylene copolymer; the article possesses an average pore size of less than 2 microns, a predetermined flexibility, and improved toughness, when compared to prior art sulfur cured articles.

REFERENCES:
patent: 3351495 (1967-11-01), Larsen et al.
patent: 3383248 (1968-05-01), Badgley et al.
patent: 3615865 (1971-10-01), Wetherell
patent: 3956020 (1976-05-01), Weininger et al.
patent: 4024323 (1977-05-01), Versteegh
patent: 4049757 (1977-09-01), Kammel et al.

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