POROUS FILM MADE OF POLYETHYLENE RESIN AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To prepare the subject film having a suitable strength as a battery separator and high thermal property by including a specific aliphatic hydrocarbon. SOLUTION: This film is mainly composed of (A) a polyethylene resin having 30×10 -100×10 viscosity-average molecular weight and...

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Hauptverfasser: MOCHIZUKI TATSUYA, NAKADA MAMORU, WATANABE TAKASHI, FUJII TOSHIO, USAMI YASUSHI, NONOBE YASUHEI
Format: Patent
Sprache:eng
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