Single-layer microporous foil for batteries having shut-off...

Details Single-layer microporous foil for batteries having shut-off... Single-layer microporous foil for batteries having shut-off...

H - Electricity

01

M

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

Patent

CA 2746529

Single-layer or multilayer, biaxially oriented, microporous foil having a shut- off function, which comprises propylene homopolymer and propylene block copolymer, polyethylene and .beta.-nucleating agent.

L'invention concerne une feuille microporeuse monocouche d'orientation biaxiale à fonction d'arrêt, constituée d'un homopolymère de propylène et d'un copolymère séquencé de propylène, de polyéthylène et d'un agent de nucléation ß. L'invention concerne également son procédé de fabrication et son utilisation dans des batteries ou des accumulateurs.

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