发明名称 |
Laminated porous film and separator for battery |
摘要 |
A laminated porous film having at least two porous layers layered one upon another. One porous layer consists of a resin layer containing a polypropylene resin. The other layer is a heat-resistant layer consisting of a resin composition whose crystal fusion peak temperature is higher than that of the resin composition of the layer containing the polypropylene resin. The laminated porous film has a beta activity and/or a beta crystal generation power.
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申请公布号 |
US8592071(B2) |
申请公布日期 |
2013.11.26 |
申请号 |
US20100713654 |
申请日期 |
2010.02.26 |
申请人 |
USAMI YASUSHI;YAMADA TAKEYOSHI;TAKAGI JUN;MITSUBISHI PLASTICS, INC. |
发明人 |
USAMI YASUSHI;YAMADA TAKEYOSHI;TAKAGI JUN |
分类号 |
H01M2/16;B32B3/00 |
主分类号 |
H01M2/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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