Heat resistant substrates and battery separators made therefrom

Details Heat resistant substrates and battery separators made therefrom Heat resistant substrates and battery separators made therefrom

1973-03-26

1976-04-27

Garvin, Patrick P.

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

136146, H01M 214

Patent

active

039532410

ABSTRACT:
A flexible substrate having a caustic resistant support and at least one membrane comprising a solid polymeric matrix containing a network of interconnected pores and interdispersed inorganic filler particles with a ratio of filler: polymer in the polymeric matrix of between about 1:1 to 5:1, is made by coating at least one side of the support with a filler:coating formulation mixture of inorganic filler particles and a caustic resistant, water insoluble polymer dissolved in an organic solvent, and removing the solvent from the mixture to provide a porous network within the polymeric matrix.

REFERENCES:
patent: 3450571 (1969-06-01), Zenczak
patent: 3542596 (1970-11-01), Arrance

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