Method for preparing microporous polyolefin film with improved productivity and easy control of physical properties

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United States of America Patent

PATENT NO 8790559
APP PUB NO 20130116355A1
SERIAL NO

13642072

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Abstract

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Provided is a method of manufacturing a microporous polyolefin film useable as a battery separator, which is easy to control strength, permeability and shrinking properties of the microporous film and embodies excellent quality uniformity and production stability in fabricating the microporous film.

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Patent Owner(s)

  • SK INNOVATION CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jung, In Hwa Cheonan-si, KR 33 103
Kang, Gwi Gwon Daejeon, KR 9 20
Rhee, Jang-Weon Daejeon, KR 26 142

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