Thermoset resin impregnated web and process of making

Details Thermoset resin impregnated web and process of making Thermoset resin impregnated web and process of making

1980-02-06

1981-08-25

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429254, 156335, 162157R, 428302, H01M 216

Patent

active

042860300

ABSTRACT:
Battery separators, filters and other porous semi-rigid products are provided by a thermoset resin impregnated fibrous web containing cellulosic fiber, synthetic wood pulp, paper making staple long fiber and thermoset resin. The temperature for thermosetting can exceed the Vicat softening and even the melting temperature of the synthetic pulp without the loss of the flexibilizing effect of the synthetic pulp. By extension the teaching reaches to non-fibrous and non-porous materials. A process is also revealed.

REFERENCES:
patent: 2687447 (1954-08-01), Merrill
patent: 3328207 (1967-06-01), Beaulieu
patent: 3843484 (1974-10-01), Kamiyoshi et al.
patent: 3893871 (1975-07-01), Jones
patent: 4204054 (1980-05-01), Lesas

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