Battery separator composition of mixed ionomers

Details Battery separator composition of mixed ionomers Battery separator composition of mixed ionomers

H - Electricity

01

M

319/63, 400/6565

H01M 2/16 (2006.01) C08L 23/08 (2006.01)

Patent

CA 1228949

Abstract A composition suitable for use as a battery separator comprising a substantially homogeneous mixture of a copolymer of ethylene and acrylic acid having from 10 to 23 mole percent acrylic acid therein and a melt index of from about 0.1 to 5 in combination with a copolymer of ethylene and acrylic acid having at least 25 mole percent acrylic acid therein and having a melt index of at least about 10. The present invention is further directed to a process of forming a sheet product from the subject composition and the use of the formed product as a battery separator.

428045

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