Multilayer microporous foil for batteries with shut-off...

Details Multilayer microporous foil for batteries with shut-off... Multilayer microporous foil for batteries with shut-off...

H - Electricity

01

M

H01M 2/16 (2006.01) B32B 27/32 (2006.01)

Patent

CA 2746526

The invention relates to a biaxially oriented, multilayer microporous foil including one layer made from propylene homopolymer, a propylene block copolymer, a polyethylene and .beta.-nucleating agent, and at least one further porous layer.

L'invention concerne une feuille microporeuse multicouche d'orientation biaxiale constituée d'une feuille à fonction d'arrêt à base d'un homopolymère de propylène, d'un copolymère séquencé de propylène, de polyéthylène et d'un agent de nucléation ß, et d'au moins une couche poreuse supplémentaire.

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