Wettable polyolefin battery separator

Details Wettable polyolefin battery separator Wettable polyolefin battery separator

1974-11-18

1976-10-12

Walton, Donald L.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Projecting particles in a moving gas stream

156306, 264211, H01M 214

Patent

active

039855805

ABSTRACT:
A process for preparing a wettable battery separator comprising contacting a self supporting nonwoven mat of polyolefin fibers with a mixture of water, a surfactant, and colloidal silica, drying the mat, and compressing it.

REFERENCES:
patent: 2653985 (1953-09-01), Philipps
patent: 3351495 (1967-11-01), Larsen
patent: 3696061 (1972-10-01), Selsor et al.
patent: 3702267 (1972-11-01), Grot
patent: 3847676 (1974-11-01), Palmer et al.

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