Invention Application
WO2009084720A1 MICROPOROUS MULTILAYER MEMBRANE, SYSTEM AND PROCESS FOR PRODUCING SUCH MEMBRANE, AND THE USE OF SUCH MEMBRANE
审中-公开
微孔多层薄膜，用于生产这种膜的系统和方法以及这种膜的使用
- Patent Title: MICROPOROUS MULTILAYER MEMBRANE, SYSTEM AND PROCESS FOR PRODUCING SUCH MEMBRANE, AND THE USE OF SUCH MEMBRANE
- Patent Title (中): 微孔多层薄膜，用于生产这种膜的系统和方法以及这种膜的使用
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Application No.: PCT/JP2008/073937Application Date: 2008-12-25
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Publication No.: WO2009084720A1Publication Date: 2009-07-09
- Inventor: TAKITA, Kotaro , KAIMAI, Norimitsu , MATSUDA, Yoichi
- Applicant: Tonen Chemical Corporation , TAKITA, Kotaro , KAIMAI, Norimitsu , MATSUDA, Yoichi
- Applicant Address: 8-5, Kohnan 1-chome, Minato-ku, Tokyo 1080075 JP
- Assignee: Tonen Chemical Corporation,TAKITA, Kotaro,KAIMAI, Norimitsu,MATSUDA, Yoichi
- Current Assignee: Tonen Chemical Corporation,TAKITA, Kotaro,KAIMAI, Norimitsu,MATSUDA, Yoichi
- Current Assignee Address: 8-5, Kohnan 1-chome, Minato-ku, Tokyo 1080075 JP
- Agency: YAMASAKI, Yukuzo et al.
- Priority: US61/017,969 20071231
- Main IPC: H01M2/16
- IPC: H01M2/16 ; H01M10/40
Abstract:
The invention relates to a multilayer microporous membrane comprising polyethylene and polypropylene and having an improved balance of properties including improved thickness variation in at least one planar direction. The invention also relates to a system and method for producing such a membrane, the use of such a membrane as a battery separator film, and batteries containing such a membrane.
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