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1. 发明专利

JP2013173362A Laminated porous film, separator for battery by use of the same, and battery 有权
标题翻译：层压多孔膜，电池分离器及其电池
公开(公告)号：JP2013173362A
公开(公告)日：2013-09-05
申请号：JP2013035214
申请日：2013-02-25
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： B32B27/32 , B32B5/18 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminated porous film having an excellent air permeability and mechanical strength, and provided with a shutdown characteristic.SOLUTION: In a laminated porous film made by laminating at least two porous layers, the two layers include polypropylene system resin and thermoplastic resin with a crystalline melting peak temperature of 100-150°C. The two layers have different contents of the thermal plastic resin, and have β-active and/or β crystalline production power while the pin stabbing strength is 1.5N or greater. The laminated porous film is suitable for a separator 10 for batteries.
摘要翻译：要解决的问题：提供具有优异的透气性和机械强度并且具有关闭特性的层压多孔膜。解决方案：在通过层压至少两个多孔层制成的层压多孔膜中，两层包括聚丙烯系树脂和结晶熔融峰温度为100-150℃的热塑性树脂。两层具有不同的热塑性树脂含量，并具有活性和/或重量。结晶生产力，而针刺强度为1.5N以上。叠层多孔膜适用于电池用隔膜10。

2. 发明专利

JP2011194650A Polyolefin resin porous film and separator for battery 审中-公开
标题翻译： POLYOLEFIN树脂多孔膜和电池分离器
公开(公告)号：JP2011194650A
公开(公告)日：2011-10-06
申请号：JP2010062202
申请日：2010-03-18
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： TERAKAWA TORU , YAMADA TAKEMIKI , USAMI YASUSHI
IPC分类号： B32B27/32 , B32B5/32 , H01M2/16
CPC分类号： H01M2/1686 , B32B27/08 , B32B27/32 , B32B2307/734 , H01M2/1653 , Y10T428/249981 , Y10T428/263 , Y10T428/264
摘要： PROBLEM TO BE SOLVED: To provide a polyolefin resin porous film having high intercommunicating properties and excellent dimensional stability and fulfilling such a shutdown function that pores are not closed at 120°C or less but are sensitively and completely closed within a temperature range of 120-140°C.SOLUTION: The polyolefin resin porous film includes: at least one layer mainly composed of a polypropylene resin composition (A); and at least one layer mainly composed of a polyethylene resin composition (B) which satisfies the condition (i): the melting point of the polyethylene resin composition (B) is 130°C or higher, and the condition (ii): the melt flow rate (MFR) of the polyethylene resin composition (B) is 2.0-15 g/10 minute.
摘要翻译：要解决的问题：为了提供具有高的相互连通性和优异的尺寸稳定性的聚烯烃树脂多孔膜，并且实现了在120℃或更低温度下孔不会闭合但在120℃或更低的温度范围内敏感和完全封闭的关闭功能， 140℃。解决方案：聚烯烃树脂多孔膜包括：主要由聚丙烯树脂组合物（A）组成的至少一层; 和主要由满足条件（i）的聚乙烯树脂组合物（B）组成的至少一层：聚乙烯树脂组合物（B）的熔点为130℃以上，条件（ii）：熔融聚乙烯树脂组合物（B）的流量（MFR）为2.0-15g / 10分钟。

3. 发明专利

JP2010171006A 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：JP2010171006A
公开(公告)日：2010-08-05
申请号：JP2009293530
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: In the separator for a cell including a layer mainly composed of polyolefin base resin, an arithmetic mean roughness Ra on at least one side of surfaces of the separator is 0.3 μm or more, a mountain-valley average span Sm of roughness on at least one side of surfaces of the separator is 1.3 μm or more, and a bubble point pore diameter dBP is to be from 0.001 to 0.05 μm. 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：在包括主要由聚烯烃基础树脂构成的层的电池用隔板中，隔板的至少一面的算术平均粗糙度Ra为0.3μm以上，山谷平均间隔Sm为隔板表面的至少一侧的粗糙度为1.3μm以上，起泡孔径dBP为0.001〜0.05μm。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2008311220A Laminated porous film, battery separator and battery 审中-公开
标题翻译：层压多孔膜，电池分离器和电池
公开(公告)号：JP2008311220A
公开(公告)日：2008-12-25
申请号：JP2008117578
申请日：2008-04-28
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： H01M2/16 , B32B5/24 , B32B27/32
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a porous film which has maintaining breakdown (BD) characteristics of a polypropylene resin and has shutdown (SD) characteristics for securing battery safety as well. SOLUTION: The laminated porous film has a lamination of at least two layers of porous layers, and the one layer of the porous layers is a layer containing polypropylene resin, and the other layer is a shutdown layer composed of a composition having a crystal melting peak temperature lower than the crystal melting peak temperature of a resin composition of the layer containing the polypropylene resin and moreover has a β-activity and/or β crystallogenicity. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有保持聚丙烯树脂的击穿（BD）特性并具有用于确保电池安全性的关闭（SD）特性的多孔膜。解决方案：层压多孔膜具有至少两层多孔层的层压，并且一层多孔层是含有聚丙烯树脂的层，另一层是由具有晶体熔融峰值温度低于含有聚丙烯树脂的层的树脂组合物的结晶熔融峰值温度，并且还具有β活性和/或β晶形性。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2013063664A Method for producing laminated porous film 有权
标题翻译：生产层压多孔膜的方法
公开(公告)号：JP2013063664A
公开(公告)日：2013-04-11
申请号：JP2012264734
申请日：2012-12-03
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： B32B5/32 , B29C47/06 , B29K23/00 , B29L7/00 , B29L9/00 , B32B27/32 , B32B37/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a laminated porous film that has excellent air permeation characteristics and mechanical strength, and exerts breakdown characteristics superior to that of conventional polypropylene porous films.SOLUTION: There is provided the method for producing a laminated porous film formed by laminating porous layers of at least a first layer and a second layer. The method comprises: laminating the first layer and the second layer thereby producing a laminated non-porous film; and making the laminated non-porous film porous, wherein the first layer comprises a composition formed by mixing a thermoplastic resin having a crystal melting peak temperature of 170°C or higher with a polypropylene resin blended with a β-crystal nucleating agent and has β-activity and/or β-crystal formation power, and wherein the second layer comprises a composition in which the thermoplastic resin having a crystal melting peak temperature of 170°C or higher is not mixed with the polypropylene resin blended with the β-crystal nucleating agent and has β-activity and/or β-crystal formation power.
摘要翻译：待解决的问题：提供一种具有优异的透气特性和机械强度并且具有优于常规聚丙烯多孔膜的击穿特性的层压多孔膜的制造方法。解决方案：提供了通过层叠至少第一层和第二层的多孔层而形成的层压多孔膜的方法。该方法包括：层压第一层和第二层，由此制备层压无孔膜; 并且使所述层压无孔膜多孔，其中所述第一层包含通过将结晶熔融峰值温度为170℃以上的热塑性树脂与与所述β-晶体成核剂混合的聚丙烯树脂混合而形成的组合物，并且具有β 活性和/或β-晶体形成能力，并且其中第二层包括其中结晶熔融峰值温度为170℃或更高的热塑性树脂不与掺有β-晶体成核的聚丙烯树脂混合的组合物具有β活性和/或β晶形成能力。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2013010365A Method for manufacturing laminated porous film 有权
标题翻译：制造层压多孔膜的方法
公开(公告)号：JP2013010365A
公开(公告)日：2013-01-17
申请号：JP2012223989
申请日：2012-10-09
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： B29C67/20 , B29C47/06 , B29K23/00 , B29K27/12 , B29L9/00 , B32B5/32 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a laminated porous film that has a porous structure that sufficiently secures also the communication property, while holding the strength, and can exert a more excellent breakdown characteristic than a conventional polypropylene porous film.SOLUTION: There is provided a method for manufacturing a laminated porous film laminating at least two porous layers and having β activity. In the method, a layer (PP layer) containing polypropylene-based resin is prepared, a heat-resistant layer (HR layer) is prepared from a resin composition having a higher crystal melting peak temperature than that in a resin composition of the PP layer, a laminated non-porous film-like material composed of at least two layers of the PP layer and the HR layer is prepared and the non-porous film-like material is made porous.
摘要翻译：要解决的问题：提供一种多层结构的制造方法，其具有能够充分确保连通性的同时保持强度，并且可以发挥比常规的聚丙烯多孔膜更好的击穿特性。解决方案：提供层压至少两个多孔层并具有β活性的层压多孔膜的制造方法。在该方法中，制备含有聚丙烯类树脂的层（PP层），由具有比PP层的树脂组合物中的结晶熔融峰值温度高的树脂组合物制备耐热层（HR层）制备由PP层和HR层的至少两层构成的层叠无孔膜状材料，并使无孔膜状材料多孔化。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012136035A Laminated porous film, and battery separator and battery which use the same 有权
标题翻译：层压多孔膜，电池分离器和使用其的电池
公开(公告)号：JP2012136035A
公开(公告)日：2012-07-19
申请号：JP2012084160
申请日：2012-04-02
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 , B32B27/20 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminated porous film which has a porous structure having also a communication property secured sufficiently, while holding the strength, and can exert both a shutdown characteristic and a breakdown characteristic.SOLUTION: The laminated porous film is prepared by laying at least two porous layers on each other. The film includes a first layer composed of a composition which contains a mixed resin of polypropylene-series resin and resin having a crystal melting peak temperature lower than that of the polypropylene-series resin and of 100°C or above, and a second layer composed of a composition which contains resin having a crystal melting peak temperature higher than that of the polypropylene-series resin, and has β activity and/or β crystal generating power.
摘要翻译：要解决的问题：为了提供具有充分确保连通性的多孔结构的层叠多孔膜，同时保持强度，并且可以兼顾关闭特性和击穿特性。解决方案：通过将至少两个多孔层彼此铺设来制备层压多孔膜。该膜包括由包含聚丙烯系树脂的混合树脂和结晶熔融峰值温度低于聚丙烯系树脂的树脂和100℃以上的树脂组成的第一层，第二层由含有结晶熔融峰值温度高于聚丙烯系树脂的树脂的组合物，具有β活性和/或β晶体发生能力。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011063808A Porous film 有权
标题翻译：多孔膜
公开(公告)号：JP2011063808A
公开(公告)日：2011-03-31
申请号：JP2010250162
申请日：2010-11-08
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： USAMI YASUSHI , SAKAI AKIHIKO
IPC分类号： C08J9/00 , C08K3/24 , C08L23/02 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a porous film which is hardly elongated, has rigidity and is used suitably for a separator which is wound and housed in a cell. SOLUTION: The porous film is made of a resin composition which includes an amorphous thermoplastic resin having a glass transition temperature Tg of 10°C to 200°C and a filler having an average particle size of 0.1 to 50 μm, wherein voids are formed in the film by stretching, the thickness of the film is 5 μm to 300 μm, the air permeability thereof is 10[sec/100 cc] to 1,000 [sec/100 cc]. The porous film is used as a separator which is interposed between a positive pole and a negative pole and is wound in a spiral shape in a cell can. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供几乎不伸长的多孔膜，具有刚性并且适用于缠绕并容纳在电池中的隔膜。解决方案：多孔膜由包括玻璃化转变温度Tg为10℃至200℃的无定形热塑性树脂和平均粒径为0.1至50μm的填料的树脂组合物制成，其中空隙通过拉伸形成在膜中，膜的厚度为5μm〜300μm，透气度为10 [sec / 100cc]〜1000 [sec / 100cc]。多孔膜用作插入在正极和负极之间的隔膜，并且在电池罐中卷绕成螺旋形状。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010111832A Porous film, separator for lithium battery using the same, and battery 有权
标题翻译：多孔电池，使用该锂离子电池的锂离子电池和电池
公开(公告)号：JP2010111832A
公开(公告)日：2010-05-20
申请号：JP2008287968
申请日：2008-11-10
申请人： Mitsubishi Plastics Inc , 三菱樹脂株式会社
发明人： YAMADA TAKEMIKI , USAMI YASUSHI
IPC分类号： C08J9/00 , B32B27/32 , H01M2/16
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a porous film securing a good communicating structure and excellent in air permeability; and a separator for a lithium ion lithium battery having a shut-down property.
SOLUTION: The porous film includes at least one mixed resin layer comprising a polypropylene-based resin, a polyethylene-based resin and a thermoplastic resin having a crystal melting peak temperature or a glass transition temperature of not higher than the crystal melting peak temperature of the polyethylene-based resin, and has β activity.
COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2008307890A Laminated porous film, separator for battery using it, and battery 有权
标题翻译：层压多孔膜，使用它的电池分离器和电池
公开(公告)号：JP2008307890A
公开(公告)日：2008-12-25
申请号：JP2008117527
申请日：2008-04-28
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： B32B27/32
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a laminated porous film having excellent air permeability and mechanical strength, and having a shut-down characteristic. SOLUTION: In the laminated porous film in which at least two porous layers are laminated, the two layers contain polypropylene resins. One of the two layers contains a thermoplastic resin having a peak crystal melting temperature of 100°C to 150°C, while the other one layer does not include the thermoplastic resin having the peak crystal melting temperature of 100°C to 150°C, and has β activity and/or β crystal formation power. On the other hand, the two layers contain the polypropylene resins, and thermoplastic resins each having the peak crystal melting temperature of 100°C to 150°C, wherein contents of the two thermoplastic resins of these two layers are made to differ from each other, and the laminated porous film has the β activity and/or the β crystal formation power. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的透气性和机械强度并具有关闭特性的层压多孔膜。解决方案：在其中层压至少两个多孔层的层压多孔膜中，两层包含聚丙烯树脂。两层中的一层含有峰值晶体熔融温度为100℃〜150℃的热塑性树脂，另一层不包含峰值结晶熔融温度为100℃〜150℃的热塑性树脂，并具有β活性和/或β晶形成力。另一方面，两层包含聚丙烯树脂和各自具有100℃至150℃的峰值结晶熔融温度的热塑性树脂，其中使这两层的两种热塑性树脂的含量彼此不同，层叠多孔膜具有β活性和/或β晶形成能力。版权所有（C）2009，JPO＆INPIT

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