Very thin microporous material

Details Very thin microporous material Very thin microporous material

1997-10-02

1999-09-07

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429309, 521 62, 521 64, 361524, 361502, 4283157, H01M 618, H01G 900, C08J 928

Patent

active

059485574

ABSTRACT:
Very thin microporous material comprises a matrix of substantially linear polyolefin, finely divided substantially water-insoluble filler particles distributed throughout the matrix, and a network of interconnecting pores communicating substantially throughout said microporous material. The very thin microporous material can be produced by the blown film process. The material is used as a separator in a battery.

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