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11. 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。

12. 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

13. 发明专利

JP2012046758A Method for producing porous body and porous body 有权
标题翻译：生产多孔体和多孔体的方法
公开(公告)号：JP2012046758A
公开(公告)日：2012-03-08
申请号：JP2011219664
申请日：2011-10-03
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , NEMOTO TOMOYUKI , TAKAGI JUN
IPC分类号： C08J9/12 , H01M2/16
CPC分类号： Y02P20/544
摘要： PROBLEM TO BE SOLVED: To produce a porous body using a fluid in a supercritical state or a subcritical state.SOLUTION: There is provided a method for producing a porous body in which a large number of micropores opening on the surface and communicating with each other in the thickness direction are present. The method for producing a porous body includes: a step of fabricating a laminate of at least three-layer structure having at least one intermediate layer comprising a thermoplastic resin composition and adhesive layers comprising an adhesive resin-containing resin composition laid respectively on both sides of the intermediate layer; a step of making the resulting laminate porous by impregnating a fluid in a supercritical state or a subcritical state into the laminate and vaporizing the fluid by release from the supercritical state or the subcritical state to thereby form micropores including closed micropores and open micropores; and a stretching step of at least uniaxially stretching the laminate after the step of making the laminate porous, so that the micropores are allowed to further communicate with each other.
摘要翻译：要解决的问题：使用超临界状态或亚临界状态的流体制造多孔体。解决方案：提供一种多孔体的制造方法，其中存在大量在表面上开口并在厚度方向上相互连通的微孔。制造多孔体的方法包括：制备具有至少一层中间层的至少三层结构的层叠体的步骤，所述中间层包含热塑性树脂组合物和粘合剂层，所述粘合剂层包含分别铺在粘合剂树脂组合物的两侧的粘合树脂的树脂组合物中间层; 通过将超临界状态或亚临界状态的流体浸渍到层叠体中并使流体从超临界状态或亚临界状态释放而使流体汽化，从而形成包含闭孔微孔和开放微孔的微孔，使得到的层压体多孔化的工序; 以及在使层压体多孔化的步骤之后至少单层拉伸层压体的拉伸步骤，使得允许微孔进一步连通。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2011110704A Laminated porous film, separator for battery, and battery 有权
标题翻译：层压多孔膜，电池分离器和电池
公开(公告)号：JP2011110704A
公开(公告)日：2011-06-09
申请号：JP2009265927
申请日：2009-11-24
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： TAKAGI YOSHITO , IMANAKA SATOSHI , NEMOTO TOMOYUKI , USAMI YASUSHI
IPC分类号： B32B27/32 , B32B27/20 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminated porous film which is a porous film having air permeation characteristics and heat resistance and has not only good slipperiness and pin extraction properties when used as a separator for a battery but also a heat-resistant layer which can avoid metal contamination in a production process. SOLUTION: In the laminated porous film, the heat-resistant layer containing a filler and a resin binder is laminated on at least one side of a porous polyolefin resin film, and the Mohs hardness of the filler is 6 or below. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了提供具有透气特性和耐热性的多孔膜的层叠多孔膜，并且当用作电池隔板时具有不仅良好的滑动性和引脚提取性能，而且还具有耐热性可避免生产过程中的金属污染。解决方案：在层压多孔膜中，将含有填料和树脂粘合剂的耐热层层合在多孔聚烯烃树脂膜的至少一侧上，并且填料的莫氏硬度为6以下。版权所有（C）2011，JPO＆INPIT

15. 发明专利

JP2011014526A Nonaqueous lithium secondary battery 有权
标题翻译：非标锂二次电池
公开(公告)号：JP2011014526A
公开(公告)日：2011-01-20
申请号：JP2009293515
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 , YASUKAWA SHIGEKI , NAKAJIMA TAKAYUKI
IPC分类号： H01M2/18
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a battery for improving battery characteristics such as room-temperature output and low-temperature output.SOLUTION: In the secondary battery wherein a negative electrode and a positive electrode for occluding and discharging lithium are faced with each other via a separator and a nonaqueous electrolyte including a nonaqueous solvent and lithium salt is prepared, either of arithmetic average roughness Ra, maximum height Ry, and ten-point average roughness Rz on the negative-electrode side surface and the positive-electrode side surface of the separator is different between both surfaces.
摘要翻译：要解决的问题：提供一种用于改善诸如室温输出和低温输出的电池特性的电池。解决方案：在用于阻塞和放电锂的负极和正电极彼此面对的二次电池中，通过制备分离器和包含非水溶剂和锂盐的非水电解质，其中，在负极侧表面和正极侧表面上的算术平均粗糙度Ra，最大高度Ry和十点平均粗糙度Rz 分离器在两个表面之间是不同的。

16. 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

17. 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

18. 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
摘要翻译：要解决的问题：通过提高电池用隔膜的耐热性和循环特性来提高电池特性。解决方案：具有主要由聚烯烃基础树脂构成的多孔层的电池用隔膜包括β活性，表面的至少一面的算术平均粗糙度Ra为0.3μm以上，Gurley值为10〜 1000秒/ 100ml，厚度为5〜50μm，粘着强度为1.5N以上。版权所有（C）2010，JPO＆INPIT

19. 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

20. 发明专利

JP2009045775A 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：JP2009045775A
公开(公告)日：2009-03-05
申请号：JP2007211919
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 both shutdown characteristics and breakdown characteristics. SOLUTION: The porous laminated film in which at least two porous layers are stacked includes: the first layer made of a composition containing a mixed resin comprising a polypropylene resin and a resin having a crystal fusion peak temperature of at least 100°C which is lower than that of the polypropylene resin; and the second layer made of a composition containing a resin having a crystal fusion peal temperature higher than that of the polypropylene resin. 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，并且可以证明关闭特性和击穿特性。解决方案：其中堆叠至少两个多孔层的多孔层压膜包括：由包含聚丙烯树脂和晶体熔融峰温度至少为100℃的树脂的组合物制成的第一层低于聚丙烯树脂; 所述第二层由含有比聚丙烯树脂的结晶熔融温度高的树脂的组合物制成。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

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