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公开(公告)号：US20150005405A1
公开(公告)日：2015-01-01
申请号：US14367342
申请日：2012-12-12
发明人： Takeshi Ishihara , Koichi Kono
CPC分类号： H01M2/1653 , B29C47/0004 , B29C47/0021 , B29C47/0057 , B29C55/12 , B29D99/005 , B29K2023/0683 , B29K2105/0044 , B29K2105/041 , B29K2823/0683 , B29L2031/3468 , B29L2031/755 , C08J5/18 , C08J9/28 , C08J2323/06 , C08J2423/06 , C08J2423/12 , C08L23/06 , C08L2203/20 , C08L2205/025 , C08L2205/03 , C08L2207/062 , C08L2207/068 , H01M2/145
摘要： A polyolefin microporous membrane is produced by forming a gel-like molding using a polyolefin resin containing polypropylene, and stretching the molding in at least one direction, followed by washing, the polyolefin microporous membrane having an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction.
摘要翻译： 聚烯烃微多孔膜通过使用含有聚丙烯的聚烯烃树脂形成凝胶状成型体，并使至少一个方向拉伸成型品，然后进行洗涤，制成电解液注入量为20秒以下的聚烯烃微多孔膜， 均匀的聚丙烯分布在垂直于厚度方向的至少一个平面上。
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公开(公告)号：US09624349B2
公开(公告)日：2017-04-18
申请号：US14367342
申请日：2012-12-12
发明人： Takeshi Ishihara , Koichi Kono
IPC分类号： B01D69/00 , B01D71/00 , C08J9/00 , C08J9/28 , H01M2/16 , B29C47/00 , B29D99/00 , C08L23/06 , H01M2/14 , B29L31/00 , B29C55/12
CPC分类号： H01M2/1653 , B29C47/0004 , B29C47/0021 , B29C47/0057 , B29C55/12 , B29D99/005 , B29K2023/0683 , B29K2105/0044 , B29K2105/041 , B29K2823/0683 , B29L2031/3468 , B29L2031/755 , C08J5/18 , C08J9/28 , C08J2323/06 , C08J2423/06 , C08J2423/12 , C08L23/06 , C08L2203/20 , C08L2205/025 , C08L2205/03 , C08L2207/062 , C08L2207/068 , H01M2/145
摘要： A polyolefin microporous membrane is produced by forming a gel-like molding using a polyolefin resin containing polypropylene, and stretching the molding in at least one direction, followed by washing, the polyolefin microporous membrane having an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction.
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公开(公告)号：US09911956B2
公开(公告)日：2018-03-06
申请号：US15447223
申请日：2017-03-02
发明人： Takeshi Ishihara , Koichi Kono
IPC分类号： B01D71/02 , H01M2/16 , C08J5/18 , H01M2/14 , B29C47/00 , B29K23/00 , B29K105/00 , B29L31/00 , B29L31/34 , B29K105/04
CPC分类号： H01M2/1653 , B29C47/0004 , B29C47/0021 , B29C47/0057 , B29C55/12 , B29D99/005 , B29K2023/0683 , B29K2105/0044 , B29K2105/041 , B29K2823/0683 , B29L2031/3468 , B29L2031/755 , C08J5/18 , C08J9/28 , C08J2323/06 , C08J2423/06 , C08J2423/12 , C08L23/06 , C08L2203/20 , C08L2205/025 , C08L2205/03 , C08L2207/062 , C08L2207/068 , H01M2/145
摘要： A polyolefin microporous membrane includes a polyethylene composition, and 0.5% or more but less than 5% by mass of polypropylene, wherein the polyethylene composition includes polyethylene having a mass average molecular weight of 2.5×105 to 5×105 and ultrahigh molecular weight polyethylene having a mass average molecular weight of 1×106 to 3×106 in an amount of more than 5% by mass and not more than 50% by mass based on 100% by mass of polyethylene composition and has a molecular weight distribution (Mw/Mn) of 5.0 to 300, and the polyolefin microporous membrane has an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction.
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公开(公告)号：US20170179457A1
公开(公告)日：2017-06-22
申请号：US15447223
申请日：2017-03-02
发明人： Takeshi Ishihara , Koichi Kono
CPC分类号： H01M2/1653 , B29C47/0004 , B29C47/0021 , B29C47/0057 , B29C55/12 , B29D99/005 , B29K2023/0683 , B29K2105/0044 , B29K2105/041 , B29K2823/0683 , B29L2031/3468 , B29L2031/755 , C08J5/18 , C08J9/28 , C08J2323/06 , C08J2423/06 , C08J2423/12 , C08L23/06 , C08L2203/20 , C08L2205/025 , C08L2205/03 , C08L2207/062 , C08L2207/068 , H01M2/145
摘要： A polyolefin microporous membrane includes a polyethylene composition, and 0.5% or more but less than 5% by mass of polypropylene, wherein the polyethylene composition includes polyethylene having a mass average molecular weight of 2.5×105 to 5×105 and ultrahigh molecular weight polyethylene having a mass average molecular weight of 1×106 to 3×106 in an amount of more than 5% by mass and not more than 50% by mass based on 100% by mass of polyethylene composition and has a molecular weight distribution (Mw/Mn) of 5.0 to 300, and the polyolefin microporous membrane has an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction.
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