Invention Grant
- Patent Title: Single-layer polypropylene membrane film for batteries, having a shut-off function
- Patent Title (中): 用于电池的单层聚丙烯膜膜，具有切断功能
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Application No.: US12990232Application Date: 2009-04-23
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Publication No.: US08551610B2Publication Date: 2013-10-08
- Inventor: Thilo Mohr , Detlef Busch , Bertram Schmitz , Christian Peters
- Applicant: Thilo Mohr , Detlef Busch , Bertram Schmitz , Christian Peters
- Applicant Address: DE
- Assignee: Treofan Germany GmbH & Co. KG
- Current Assignee: Treofan Germany GmbH & Co. KG
- Current Assignee Address: DE
- Agency: Novak Druce Connolly Bove + Quigg LLP
- Priority: DE102008021994 20080502
- International Application: PCT/EP2009/002962 WO 20090423
- International Announcement: WO2009/132803 WO 20091105
- Main IPC: B32B27/32
- IPC: B32B27/32 ; B32B27/00 ; C08K5/00 ; C08L53/00 ; C08L23/00
Abstract:
The invention relates to a biaxially oriented, single-layer microporous film which has a shut-off function and is made of propylene homopolymer, propylene block copolymer I and β-nucleation agent. The melting range of the propylene block copolymer I starts at a temperature ranging from 50 to 120° C. The invention also relates to using the film as a separator in primary or secondary battery.
Public/Granted literature
- US20110064934A1 SINGLE-LAYER POLYPROPYLENE MEMBRANE FILM FOR BATTERIES, HAVING A SHUT-OFF FUNCTION Public/Granted day:2011-03-17
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