| 发明名称 |
MICROPOROUS FILM, MANUFACTURING METHOD FOR SAID FILM, AND USE FOR SAID FILM AS BATTERY SEPARATOR FILM |
| 摘要 |
The present invention relates to a microporous film, which includes low melting point polypropylene that is a polypropylene homopolymer or copolymer having an MFR of at least 2.0×102, Tm in the range 85.0°C to 130°C, and Te-Tm no more than 10°C, a manufacturing method for the film, and a use for the film as a battery separator film in a lithium ion secondary battery. The present invention can obtain a microporous film having a superior balance of gas permeability, shut-down temperature, and puncture strength. |
| 申请公布号 |
WO2012086629(A1) |
申请公布日期 |
2012.06.28 |
| 申请号 |
WO2011JP79470 |
申请日期 |
2011.12.20 |
| 申请人 |
TORAY BATTERY SEPARATOR FILM GODO KAISHA;BRANT, PATRICK;ISHIHARA, TAKESHI;MIYAOKA, SATOSHI;CROWTHER, DONNA J.;KONO, KOICHI |
发明人 |
BRANT, PATRICK;ISHIHARA, TAKESHI;MIYAOKA, SATOSHI;CROWTHER, DONNA J.;KONO, KOICHI |
| 分类号 |
C08J9/00;B29C55/02;B32B5/18;H01M2/16 |
主分类号 |
C08J9/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
