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Polyolefin microporous membrane, separator for non-aqueous secondary battery, non-aqueous secondary battery and method of producing polyolefin microporous membrane
Polyolefin microporous membrane, separator for non-aqueous secondary battery, non-aqueous secondary battery and method of producing polyolefin microporous membrane
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机译:聚烯烃微多孔膜,非水二次电池用隔板,非水二次电池及聚烯烃微多孔膜的制造方法
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摘要
A polyolefin microporous membrane, the membrane having, when measured by DSC, a degree of crystallinity of from 65 to 85%, a lamellar crystal/crystal ratio of from 30 to 85%, a crystal length of from 5 nm to 50 nm and an amorphous length of from 3 nm to 30 nm, and a polyolefin microporous membrane, the membrane having, when measured by X-ray diffractometry, crystal size of from 12.5 nm to 13.5 nm and a degree of crystallinity of from 64 to 68%.
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