发明名称 |
MULTILAYER POROUS FILM AND SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY |
摘要 |
<p>Disclosed is a multilayer porous film wherein a heat-resistant resin layer is arranged on a porous film which is formed from a polyolefin resin containing an ethylene/alpha-olefin copolymer composed of a structural unit derived from ethylene and another structural unit derived from one or more monomers selected from alpha-olefins having 4-10 carbon atoms. The multilayer porous film has a shutdown temperature of not more than 125°C and a thermal film-breaking temperature of not less than 155°C.</p> |
申请公布号 |
KR20090066307(A) |
申请公布日期 |
2009.06.23 |
申请号 |
KR20097008360 |
申请日期 |
2007.09.25 |
申请人 |
SUMITOMO CHEMICAL CO., LTD. |
发明人 |
TAKATA ATSUHIRO;KURODA RYUMA;KUMAMOTO SHIN ICHI |
分类号 |
B32B27/32;B32B5/18;C08J9/26;H01M2/16;H01M10/05 |
主分类号 |
B32B27/32 |
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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