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11. 发明专利

JP2010061974A Laminated porous film for separator and method for manufacturing the same 有权
标题翻译：用于分离器的层压多孔膜及其制造方法
公开(公告)号：JP2010061974A
公开(公告)日：2010-03-18
申请号：JP2008226120
申请日：2008-09-03
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： ARAI HIDETAKA , KATSUHARA KAZUNARI , YAMADA TAKEMIKI , HIRUMA TAKASHI
IPC分类号： H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminated porous film for separator which has shutdown property important in respect of acquiring security while having superior electric resistance contributing to battery performance, and to provide a method for manufacturing the same.
SOLUTION: In the laminated porous film for separator wherein at least two porous layers are laminated, one of the porous layers is a base material layer containing polypropylene-based resin as a main component, and another one is a shutdown layer containing polyethylene-based resin as a main component. Further, the laminated porous film has β-activity, wherein the air permeability at 25°C is 1,000 s/100 ml or less, and further the air permeability after heating at 135°C for 5 seconds is 10,000 s/100 ml or more.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有关于在获得安全性方面具有重要意义的停机特性的分离器层压多孔膜，同时具有有助于电池性能的优异电阻，并提供其制造方法。解决方案：在其中层压有至少两个多孔层的隔膜用叠层多孔膜中，其中一个多孔层是含有聚丙烯基树脂作为主要成分的基材层，另一个是含有聚乙烯的封闭层基树脂为主要成分。此外，层压多孔膜具有β活性，其中25℃下的透气度为1000秒/ 100ml以下，135℃下加热5秒后的透气度为10,000秒/ 100毫升以上。版权所有（C）2010，JPO＆INPIT

12. 发明专利

JP2009045771A Porous laminated film, battery separator using it, and battery 有权
标题翻译：多孔层压膜，使用它的电池分离器和电池
公开(公告)号：JP2009045771A
公开(公告)日：2009-03-05
申请号：JP2007211895
申请日：2007-08-15
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , TAKAGI JUN
IPC分类号： B32B27/32 , B32B5/32 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a porous laminated film which has a porous structure securing enough communication properties while holding strength and can demonstrate breakdown characteristics superior to those of a conventional porous polypropylene film and shutdown characteristics for securing the safety of a battery. SOLUTION: The porous laminated film has a porous layer of at least first-third layers. The first layer is made of a composition containing a polypropylene resin, the second layer is made of a composition having a crystal fusion temperature peak value higher than that of the composition of the first layer, and the third layer is made of a composition having a crystal fusion temperature peak value lower than that of the composition of the first layer. The laminated film has β activity and/or β crystal formation power. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种多孔层压膜，其具有确保足够的连通性同时保持强度的多孔结构，并且可以证明比常规多孔聚丙烯膜优异的击穿特性和用于确保电池安全性的关闭特性。解决方案：多孔层压膜具有至少第三层的多孔层。第一层由含有聚丙烯树脂的组合物制成，第二层由具有高于第一层组成的晶体熔融温度峰值的组合物制成，第三层由具有晶体熔融温度峰值低于第一层的组成。层压膜具有β活性和/或β晶体形成能力。版权所有（C）2009，JPO＆INPIT

13. 发明专利

JP2009039910A Laminate porous film and separator for cell 有权
标题翻译：层压多孔膜和细胞分离器
公开(公告)号：JP2009039910A
公开(公告)日：2009-02-26
申请号：JP2007205797
申请日：2007-08-07
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , TAKAGI JUN
IPC分类号： B32B27/32 , B32B5/32 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminate porous film which has a porous structure securing sufficient communicating properties while retaining strength and can exert breakdown characteristics superior to those of conventional polypropylene porous films. SOLUTION: The laminate porous film comprises at least two porous layers laminated. One of the porous layers contains a polypropylene type resin, and the other is a heat-resistant layer composed of a resin composition having a crystal melting peak temperature higher than that of the resin composition of the layer containing the polypropylene type resin. The film has a β activity and/or β crystal forming properties. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种层压多孔膜，其具有确保足够的连通性的多孔结构，同时保持强度并且可以施加优于常规聚丙烯多孔膜的击穿特性。解决方案：层压多孔膜包括层压的至少两个多孔层。多孔层中的一层含有聚丙烯类树脂，另一方面是由具有比含有聚丙烯类树脂的层的树脂组合物的结晶熔融峰值温度高的树脂组合物构成的耐热层。该膜具有β活性和/或β晶形成性质。版权所有（C）2009，JPO＆INPIT

14. 发明专利

JP2009026499A Separator for lithium ion battery and its manufacturing method 有权
标题翻译：锂离子电池分离器及其制造方法
公开(公告)号：JP2009026499A
公开(公告)日：2009-02-05
申请号：JP2007186014
申请日：2007-07-17
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： YAMADA TAKEMIKI , USAMI YASUSHI , TAKAGI JUN
IPC分类号： H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a separator for lithium ion battery having excellent air permeation characteristics and shut-down characteristics.
SOLUTION: The separator for lithium ion battery includes a mixed resin of a polypropylene system resin (A) and a thermoplastic resin (B) having a crystal melting peak temperature of 100°C or more and 150°C or less, and has a porous layer having β activity or/and β crystal formation force, and the shut-down temperature in which the holes of the porous layer is closed is 100°C or more and 160°C or less.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的透气特性和关闭特性的锂离子电池用隔膜。解决方案：锂离子电池用隔膜包括聚丙烯系树脂（A）和结晶熔融峰值温度为100℃以上且150℃以下的热塑性树脂（B）的混合树脂，具有β活性或β晶形成力的多孔层，多孔层的孔闭合的停止温度为100℃以上且160℃以下。版权所有（C）2009，JPO＆INPIT

15. 发明专利

JP2014223812A 積層多孔性フィルム、電池用セパレータおよび電池有权
标题翻译：层压多孔膜，电池分离器和电池
公开(公告)号：JP2014223812A
公开(公告)日：2014-12-04
申请号：JP2014172706
申请日：2014-08-27
申请人：三菱樹脂株式会社 , Mitsubishi Plastics Inc
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , TAKAGI JUN
IPC分类号： B32B27/32 , B32B5/32 , H01M2/16
摘要：【課題】ポリプロピレン系樹脂のブレイクダウン(BD)特性をもちつつ、電池の安全性を確保するためにシャットダウン(SD)特性をも併せ持つ多孔性フィルムを提供する。【解決手段】少なくとも2層の多孔質層を積層した積層多孔性フィルムであって、前記多孔質層の1層がポリプロピレン系樹脂を含む層であり、他の1層が前記ポリプロピレン系樹脂を含む層の樹脂組成物の結晶融解ピーク温度より低い結晶融解ピーク温度を持つ組成物からなるシャットダウン層であり、かつ&bgr;活性および/又は&bgr;晶生成力を有し、熱収縮率の値が縦方向及び横方向共に15%以下である。【選択図】なし
摘要翻译：要解决的问题：提供具有关闭（SD）特性的多孔膜，其具有用于确保电池安全性，同时具有聚丙烯类树脂的击穿（BD）特性。解决方案：提供一种叠层多孔膜，其通过层压至少两个多孔层，其中一个多孔层是含有聚丙烯类树脂的层，另一层是由具有比层的树脂组合物的结晶熔融峰值温度低的结晶熔融峰值温度的组合物构成的停堆层含有聚丙烯类树脂，活动和/或＆bgr 晶体形成能力和纵向和横向的热收缩值为15％以下。

16. 发明专利

JP2013032017A Method of forming laminated porous film 有权
标题翻译：形成层压多孔膜的方法
公开(公告)号：JP2013032017A
公开(公告)日：2013-02-14
申请号：JP2012228310
申请日：2012-10-15
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , TAKAGI JUN
IPC分类号： B32B27/32 , C08J9/00 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a method of forming a porous film having not only a breakdown property (BD) of a polypropylene-based resin but a shutdown property (SD) to secure the safety of a battery.SOLUTION: A laminated non-porous film-like substance comprises at least two layers including a layer (PP layer) of a thermoplastic resin composition containing a polypropylene-based resin having β-activity and/or β-crystal generation power and a layer (SD layer) that is shut down at a lower temperature than the PP layer and prepared by using a thermoplastic resin composition containing the thermoplastic resin whose peak value of a crystalline melting temperature is lower than that of the polypropylene-based resin. A large number of fine pores each having communication in a thickness direction are formed by stretching the laminated non-porous film-like substance.
摘要翻译：要解决的问题：提供一种形成多孔膜的方法，其不仅具有聚丙烯类树脂的击穿特性（BD），而且具有关闭特性（SD）以确保电池的安全性。解决方案：层压的无孔膜状物质包括至少两层，包括含有具有β-活性和/或β-晶体产生能力的聚丙烯基树脂的热塑性树脂组合物的层（PP层）和在比PP层低的温度下关闭的层（SD层），并且通过使用含有结晶熔融温度的峰值低于聚丙烯类树脂的峰值的热塑性树脂的热塑性树脂组合物来制备。通过拉伸层叠的无孔膜状物质，形成大量的厚度方向连通的细孔。版权所有（C）2013，JPO＆INPIT

17. 发明专利

JP2010171005A Separator for cell and nonaqueous lithium secondary battery 有权
标题翻译：电池和非电解锂二次电池分离器
公开(公告)号：JP2010171005A
公开(公告)日：2010-08-05
申请号：JP2009293497
申请日：2009-12-24
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , YASUKAWA SHIGEKI , NAKAJIMA TAKAYUKI
IPC分类号： H01M2/16 , C08J9/00 , C08L23/00
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To enhance a battery output while retaining battery safety through enhancement of heat resistance by improving a separator for a cell.
SOLUTION: Of the separator for a cell, at least one side of surfaces includes a layer mainly composed of polypropylene base resin, its thickness is 5 to 50 μm, its Gurley value is 10 to 1,000 seconds/100 ml, a sticking intensity is 1.5N or more, and a 10-point mean roughness (Rz) of the layer mainly composed of the polypropylene base resin is 5 μm or more.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过改进电池隔板来增强电池输出，同时通过提高耐热性来保持电池的安全性。解决方案：在电池隔板中，表面的至少一侧包括主要由聚丙烯基树脂组成的层，其厚度为5至50μm，其Gurley值为10至1,000秒/ 100毫升，粘附强度为1.5N以上，主要由聚丙烯基树脂构成的层的10点平均粗糙度（Rz）为5μm以上。版权所有（C）2010，JPO＆INPIT

18. 发明专利

JP2010171004A Separator for cell and nonaqueous lithium secondary battery 有权
标题翻译：电池和非电解锂二次电池的分离器
公开(公告)号：JP2010171004A
公开(公告)日：2010-08-05
申请号：JP2009293467
申请日：2009-12-24
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , YASUKAWA SHIGEKI , NAKAJIMA TAKAYUKI
IPC分类号： H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To improve safety and battery characteristics by reforming them through enhancing of heat resistance and cycle characteristics of a separator for a cell.
SOLUTION: Of the separator for a cell, mainly composed of polyolefin base resin, an arithmetic mean roughness Ra of at least one side of surfaces of the separator is 0.3 μm or more, and a ratio Ra
1 /Ra
2 of an arithmetic mean roughness Ra
1 in a length direction of the separator and an arithmetic mean roughness Ra
2 in a width direction on either side of the separator is set to be 0.80 to 1.20.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过提高电池隔板的耐热性和循环特性，通过重整来提高安全性和电池特性。解决方案：在主要由聚烯烃基树脂构成的电池用隔膜中，隔板的至少一面的算术平均粗糙度Ra为0.3μm以上，Ra 1 < 在分离器的长度方向上的算术平均粗糙度Ra 1 的SB> / Ra 2 和宽度方面的算术平均粗糙度Ra 2 分离器两侧的方向设定为0.80〜1.20。版权所有（C）2010，JPO＆INPIT

19. 发明专利

JP2010171003A Separator for cell and nonaqueous lithium secondary battery 有权
标题翻译：电池和非电解锂二次电池分离器
公开(公告)号：JP2010171003A
公开(公告)日：2010-08-05
申请号：JP2009293355
申请日：2009-12-24
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , YAMADA TAKEMIKI , YASUKAWA SHIGEKI , NAKAJIMA TAKAYUKI
IPC分类号： H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To improve battery characteristics by enhancing heat resistance and cycle characteristics of a separator for a cell. SOLUTION: The separator for a cell having a porous layer mainly composed of polyolefin base resin, includes β-activeness, an arithmetic mean roughness Ra on at least one side of surfaces is 0.3 μm or more, a Gurley value is 10 to 1,000 seconds/100 ml, a thickness is 5 to 50 μm, and a sticking intensity is 1.5N or more. COPYRIGHT: (C)2010,JPO&INPIT

20. 发明专利

JP2010111095A Laminated porous film and separator for lithium cell and battery using the same 有权
标题翻译：层压多孔膜和锂电池的分离器和使用它的电池
公开(公告)号：JP2010111095A
公开(公告)日：2010-05-20
申请号：JP2008287852
申请日：2008-11-10
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： YAMAMOTO MIHO , USAMI YASUSHI , YAMADA TAKEMIKI
IPC分类号： B32B27/32 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminated porous film having excellent shut down characteristics while securing dimension stability.
SOLUTION: The laminated porous film includes an A layer mainly composed of polypropylene resin and a B layer containing polyethylene resin and has β activity. In the direction vertical to the flowing direction of the laminated porous film, shrinkage percentage after heating for one hour at 105°C is set to be 10% or less, and a ratio between shrinkage percentage after heating for one hour at 105°C in the flowing direction of the laminated porous film and that in the direction vertical to the flowing direction is set to be 0.1-3.0.
COPYRIGHT: (C)2010,JPO&INPIT

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