Continuous process for producing, by irradiation, a microporous

Details Continuous process for producing, by irradiation, a microporous Continuous process for producing, by irradiation, a microporous

1978-06-16

1980-07-22

Turer, Richard B.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

20415915, 20415916, 20415917, 264 22, 264171, 429252, 429254, C08F 800, B29C 1900

Patent

active

042138159

ABSTRACT:
A continuous process for preparing 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 of a predetermined flexibility ranging from a drapable, conformable shape to a stiff material; electron beam curing of the curable polymeric material at low irradiation levels is one advantage of the continuous process as well as the capability of producing also backed materials using considerably thinner polymeric material layers thereon; the products obtained thereby are suitable as battery separators.

REFERENCES:
patent: 3351495 (1967-11-01), Larsen et al.
patent: 3383248 (1968-05-01), Badgley et al.
patent: 3615865 (1971-10-01), Wethrell
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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