Method of making alkali battery separators

Details Method of making alkali battery separators Method of making alkali battery separators

1974-05-31

1976-05-04

Newsome, J. H.

Coating processes

Electrical product produced

Welding electrode

136143, 20415923, 427 58, 427301, 427322, 427341, 427370, 427400, B05D 306, H01M 216

Patent

active

039550141

ABSTRACT:
A method of obtaining alkaline battery separators. Such method comprises ultraviolet irradiation in the presence of a sensitizer and oxygen contained in the air of low density polyethylene film at ambient temperature and normal pressure to effect cross-linking and subsequently graft polymerizing an ethylenically unsaturated carboxylic acid monomer into the irradiated film under the action of heat and compression of the film.

REFERENCES:
patent: 3014799 (1961-12-01), Oster
patent: 3088791 (1963-05-01), Cline et al.
patent: 3090664 (1963-05-01), Cline et al.
patent: 3322661 (1967-05-01), Yoshikawa et al.
patent: 3427206 (1969-02-01), Scardaville et al.

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