-
公开(公告)号：US07479243B2
公开(公告)日：2009-01-20
申请号：US10649732
申请日：2003-08-28
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/12 , B01D2325/023 , B01D2325/34 , B29C47/0021 , B29C47/822 , B29C47/862 , B29C47/8845 , Y10T428/24942
摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.
摘要翻译： 本发明提供一种高渗透性和新颖结构的微孔聚烯烃膜，并且还提供一种其制造方法，其平均孔径从至少一个膜表面向其中心逐渐减小。 制造微孔聚烯烃膜的方法包括以下步骤：挤出由10〜50重量％的（A）重均分子量为5×10 5以上的（A）聚烯烃或（B）含有该聚烯烃的组合物构成的溶液， 50〜90重量％的溶剂，加入到凝胶状的成型制品中并从中除去溶剂，其中加入热溶剂的处理步骤。
-
公开(公告)号：US06824865B1
公开(公告)日：2004-11-30
申请号：US09806309
申请日：2001-07-06
IPC分类号： B32B300
CPC分类号： H01M2/1653 , B01D67/0009 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/08 , B01D2323/12 , B29D7/01 , B29K2023/00 , B29K2023/0683 , B29K2105/04 , H01M2/162 , H01M10/0525 , Y10T428/249978 , Y10T428/249979 , Y10T428/24998 , Y10T428/249991
摘要： A microporous polyolefin membrane is formed by fine fibrils, comprising (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing component (A), connected to each other, and has micropores of 0.05 to 5 &mgr;m in average pore size and crystal lamellas of component (A) or (B) being in a specific orientation state. The membrane is produced by extruding a solution of component (A) or (B) in a solvent, into a gel-like formed article; thermally setting the article, with or without stretching, at least at the crystal dispersion temperature of component (A) or (B), but at melting point of component (A) or (B) plus 30° C. or lower; and removing the solvent.
摘要翻译： 微孔聚烯烃膜由细纤维形成，其包含（A）重均分子量为5×10 5以上的聚烯烃或（B）含有组分（A）的组合物，其彼此连接并具有微孔 平均孔径为0.05〜5μm，成分（A）或（B）的晶体薄片处于特定取向状态。 通过将组分（A）或（B）的溶液在溶剂中挤出成凝胶状成型制品来生产膜; 至少在组分（A）或（B）的晶体分散温度下，但是在组分（A）或（B）的熔点加上30℃或更低的温度下，有或没有拉伸制品的热定型; 并除去溶剂。
-
公开(公告)号：US07815825B2
公开(公告)日：2010-10-19
申请号：US12314602
申请日：2008-12-12
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/12 , B01D2325/023 , B01D2325/34 , B29C47/0021 , B29C47/822 , B29C47/862 , B29C47/8845 , Y10T428/24942
摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.
摘要翻译： 本发明提供一种高渗透性和新颖结构的微孔聚烯烃膜，并提供其制造方法，其平均孔径从至少一个膜表面向其中心逐渐减小。 制造微孔聚烯烃膜的方法包括以下步骤：将10重量％至50重量％的（A）重均分子量为5×10 5以上的聚烯烃或（B）含有该微孔聚烯烃的组合物 聚烯烃和50〜90重量％的溶剂进入凝胶状成型制品并从其中除去溶剂，其中加入具有热溶剂的处理步骤。
-
公开(公告)号：US20050058823A1
公开(公告)日：2005-03-17
申请号：US10973392
申请日：2004-10-27
CPC分类号： H01M2/1653 , B01D67/0009 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/08 , B01D2323/12 , B29D7/01 , B29K2023/00 , B29K2023/0683 , B29K2105/04 , H01M2/162 , H01M10/0525 , Y10T428/249978 , Y10T428/249979 , Y10T428/24998 , Y10T428/249991
摘要： A method for producing a microporous polyolefin membrane formed by fine fibrils, the membrane comprising (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing Component (A), connected to each other, and having micropores of 0.05 to 5 μm in average pore size and crystal lamellas of Component (A) or (B) being in a specific alignment state. The method includes extruding a solution of Component (A) or (B) in a solvent into a gel-like formed article; thermally setting the article, with or without stretching, at least at the crystal dispersion temperature of Component (A) or (B), but at melting point of Component (A) or (B) plus 30° C. or lower; and removing the solvent.
摘要翻译： 一种由细纤维形成的微孔聚烯烃膜的制造方法，所述膜包含（A）重均分子量为5×10 5以上的聚烯烃或（B）含有组分（A）的组合物，其与各自连接 另外，具有平均孔径为0.05〜5μm的微孔和成分（A）或（B）的晶体薄片处于特定取向状态。 该方法包括将组分（A）或（B）的溶液在溶剂中挤出成凝胶状成型制品; 至少在组分（A）或（B）的晶体分散温度下，在组分（A）或（B）的熔点加上30℃或更低的温度下，使得或不具有拉伸的物品热定型; 并除去溶剂。
-
公开(公告)号：US06566012B1
公开(公告)日：2003-05-20
申请号：US09673455
申请日：2000-12-01
IPC分类号： H01M216
CPC分类号： B01D71/26 , H01M2/1653
摘要： It is an object of the present invention to provide a microporous polyolefin membrane, high in pin puncture strength, adequate in pore diameter and high in porosity, comprising (A) an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5×105 or more, or (B) a composition containing an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5×105 or more, and having a porosity of 30 to 95%, bubble point exceeding 980 KPa and pin puncture strength of 4,900 mN/25 &mgr;m or more. The membrane can be used as a filter or as a separator for a battery.
摘要翻译： 本发明的目的是提供一种具有高的孔径和孔隙率高的针穿刺强度的微孔聚烯烃膜，其包含（A）具有重均分子量的超高分子量聚烯烃 为5×10 5以上，或者（B）含有重均分子量为5×10 5以上，孔隙率为30〜95％，泡点超过980KPa的超高分子量聚烯烃的组合物， 穿刺强度为4900mN / 25mum以上。 膜可以用作电池的过滤器或隔膜。
-
公开(公告)号：US08075818B2
公开(公告)日：2011-12-13
申请号：US10973392
申请日：2004-10-27
IPC分类号： B29C47/88
CPC分类号： H01M2/1653 , B01D67/0009 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/08 , B01D2323/12 , B29D7/01 , B29K2023/00 , B29K2023/0683 , B29K2105/04 , H01M2/162 , H01M10/0525 , Y10T428/249978 , Y10T428/249979 , Y10T428/24998 , Y10T428/249991
摘要： A method for producing a microporous polyolefin membrane formed by fine fibrils, the membrane comprising (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing Component (A), connected to each other, and having micropores of 0.05 to 5 μm in average pore size and crystal lamellas of Component (A) or (B) being in a specific alignment state. The method includes extruding a solution of Component (A) or (B) in a solvent into a gel-like formed article; thermally setting the article, with or without stretching, at least at the crystal dispersion temperature of Component (A) or (B), but at melting point of Component (A) or (B) plus 30° C. or lower; and removing the solvent.
摘要翻译： 一种由细纤维形成的微孔聚烯烃膜的制造方法，所述膜包含（A）重均分子量为5×10 5以上的聚烯烃或（B）含有组分（A）的组合物，彼此连接 ，平均孔径为0.05〜5μm的微孔，成分（A）或（B）的晶体层为特定取向状态。 该方法包括将组分（A）或（B）的溶液在溶剂中挤出成凝胶状成型制品; 至少在组分（A）或（B）的晶体分散温度下，在组分（A）或（B）的熔点加上30℃或更低的温度下，使得或不具有拉伸热定型该制品; 并除去溶剂。
-
公开(公告)号：US20090098449A1
公开(公告)日：2009-04-16
申请号：US12314602
申请日：2008-12-12
IPC分类号： H01M2/16
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/12 , B01D2325/023 , B01D2325/34 , B29C47/0021 , B29C47/822 , B29C47/862 , B29C47/8845 , Y10T428/24942
摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.
-
公开(公告)号：US20050098913A1
公开(公告)日：2005-05-12
申请号：US10649732
申请日：2003-08-28
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/12 , B01D2325/023 , B01D2325/34 , B29C47/0021 , B29C47/822 , B29C47/862 , B29C47/8845 , Y10T428/24942
摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.
摘要翻译： 本发明提供一种高渗透性和新颖结构的微孔聚烯烃膜，并提供其制造方法，其平均孔径从至少一个膜表面向其中心逐渐减小。 制造微孔聚烯烃膜的方法包括以下步骤：挤出由10〜50重量％的（A）重均分子量为5×10 5以上的（A）聚烯烃或（B）含有该聚烯烃的组合物构成的溶液， 50〜90重量％的溶剂，加入到凝胶状的成型制品中并从中除去溶剂，其中加入热溶剂的处理步骤。
-
公开(公告)号：US06666969B1
公开(公告)日：2003-12-23
申请号：US09806308
申请日：2001-08-20
IPC分类号： B01D7126
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/003 , B01D69/02 , B01D71/26 , B01D2323/12 , B01D2325/023 , B01D2325/34 , B29C47/0021 , B29C47/822 , B29C47/862 , B29C47/8845 , Y10T428/24942
摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.
摘要翻译： 本发明提供一种高渗透性和新颖结构的微孔聚烯烃膜，并提供其制造方法，其平均孔径从至少一个膜表面向其中心逐渐减小。 制造微孔聚烯烃膜的方法包括以下步骤：挤出由10〜50重量％的（A）重均分子量为5×10 5以上的（A）聚烯烃或（B）含有该聚烯烃的组合物构成的溶液， 50〜90重量％的溶剂，加入到凝胶状的成型制品中并从中除去溶剂，其中加入热溶剂的处理步骤。
-
公开(公告)号：US06245272B1
公开(公告)日：2001-06-12
申请号：US09673456
申请日：2000-12-01
IPC分类号： D06H1300
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/0086 , B01D69/02 , B01D71/26 , B01D2323/08 , B01D2325/02 , B01D2325/20 , B01D2325/34
摘要： It is an object of the present invention to provide a microporous polyolefin membrane, high in elongation and porosity, low in shrinkage, and capable of improving battery characteristics, safety and productivity, when used for battery separators. The microporous polyolefin membrane of the present invention comprises (A) an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5×105 or more, or (B) a composition containing an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5×105 or more, and having a porosity of 45 to 95%, elongation at break of 300% or more, bubble point exceeding 980 KPa and thermal shrinkage in the TD direction of 3% or less. The present invention also provides a method for producing the above microporous polyolefin membrane.
摘要翻译： 本发明的目的是提供一种当用于电池隔板时，伸长率和孔隙率高，收缩率低，能够提高电池特性，安全性和生产率的微孔聚烯烃膜。 本发明的微孔聚烯烃膜包含（A）重均分子量为5×10 5以上的超高分子量聚烯烃，或（B）含有超高分子量聚烯烃的组合物，其具有 重均分子量为5×10 5以上，孔隙率为45〜95％，断裂伸长率为300％以上，起泡点超过980KPa，TD方向的热收缩率为3％以下。 本发明还提供了一种制备上述微孔聚烯烃膜的方法。
-
-
-
-
-
-
-
-
-
搜索结果
84 条记录 (耗时 0.026 秒)
