MICROPOROUS POLYOLEFIN FILM WITH IMPROVED MELTDOWN PROPERTY AND PREPARING METHOD THEREOF

摘要

The present invention is related to microporous polyolefin films that may be used for battery separators and the methods of manufacturing the same. These microporous polyolefin films are characterized by consisting of 90 - 98 weight % of polyethylene (Component I) having a weight average molecular weight of 2x10^{5 ~}