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1. 发明授权

US09287542B2 Multi-layer, microporous polyolefin membrane, its production method, battery separator, and battery 有权
标题翻译：多层，微孔聚烯烃膜，其生产方法，电池隔膜和电池
公开(公告)号：US09287542B2
公开(公告)日：2016-03-15
申请号：US13547850
申请日：2012-07-12
申请人： Kotaro Takita , Junko Takita , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/16 , B29C55/06 , B29C55/12 , C08L23/06 , B29K23/00 , B29K105/00 , B29K105/04 , C08L23/10
CPC分类号： H01M2/1653 , B29C47/0021 , B29C47/8805 , B29C47/8845 , B29C47/90 , B29C47/906 , B29C55/065 , B29C55/12 , B29K2023/0683 , B29K2105/0061 , B29K2105/0088 , B29K2105/04 , C08L23/06 , C08L23/10 , C08L2205/02 , Y10T428/249978 , C08L2666/06
摘要： A multi-layer, microporous polyolefin membrane comprising first microporous layers constituting at least both surface layers, and at least one second microporous layer disposed between both surface layers, the first microporous layer comprising a first polyethylene resin containing 8% or more by mass of ultra-high-molecular-weight polyethylene having a weight-average molecular weight of 1×106 or more, the second microporous layer comprising a second polyethylene resin containing 7% or less by mass of the ultra-high-molecular-weight polyethylene, and having a structure in which a pore diameter distribution curve obtained by mercury intrusion porosimetry has at least two peaks, and the total thickness of the first microporous layers being 15-60% per 100% of the total thickness of the first and second microporous layers.
摘要翻译：一种多层微孔聚烯烃膜，其包括构成至少两个表面层的第一微孔层和设置在两个表面层之间的至少一个第二微孔层，所述第一微孔层包含含有8质量％或更多的超微结构的第一聚乙烯树脂重均分子量为1×10 6以上的高分子量聚乙烯，所述第二微孔层包含含有超过所述超高分子量聚乙烯7质量％以下的第二聚乙烯树脂，并且具有其中通过水银侵入孔隙率法获得的孔径分布曲线具有至少两个峰，并且第一微孔层的总厚度相对于第一和第二微孔层的总厚度的100％为15-60％。

2. 发明授权

US08252450B2 Multi-layer, microporous polyolefin membrane, its production method, battery separator, and battery 有权
标题翻译：多层，微孔聚烯烃膜，其生产方法，电池隔膜和电池
公开(公告)号：US08252450B2
公开(公告)日：2012-08-28
申请号：US12296242
申请日：2007-04-09
申请人： Kotaro Takita , Junko Takita, legal representative , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/16
CPC分类号： H01M2/1653 , B29C47/0021 , B29C47/8805 , B29C47/8845 , B29C47/90 , B29C47/906 , B29C55/065 , B29C55/12 , B29K2023/0683 , B29K2105/0061 , B29K2105/0088 , B29K2105/04 , C08L23/06 , C08L23/10 , C08L2205/02 , Y10T428/249978 , C08L2666/06
摘要： A multi-layer, microporous polyolefin membrane comprising first microporous layers constituting at least both surface layers, and at least one second microporous layer disposed between both surface layers, the first microporous layer comprising a first polyethylene resin containing 8% or more by mass of ultra-high-molecular-weight polyethylene having a weight-average molecular weight of 1×106 or more, the second microporous layer comprising a second polyethylene resin containing 7% or less by mass of the ultra-high-molecular-weight polyethylene, and having a structure in which a pore diameter distribution curve obtained by mercury intrusion porosimetry has at least two peaks, and the total thickness of the first microporous layers being 15-60% per 100% of the total thickness of the first and second microporous layers.
摘要翻译：一种多层微孔聚烯烃膜，其包括构成至少两个表面层的第一微孔层和设置在两个表面层之间的至少一个第二微孔层，所述第一微孔层包含含有8质量％或更多的超微结构的第一聚乙烯树脂重均分子量为1×10 6以上的高分子量聚乙烯，所述第二微孔层包含含有超过所述超高分子量聚乙烯7质量％以下的第二聚乙烯树脂，并且具有其中通过水银侵入孔隙率法获得的孔径分布曲线具有至少两个峰，并且第一微孔层的总厚度相对于第一和第二微孔层的总厚度的100％为15-60％。

3. 发明申请

US20110223485A1 MICROPOROUS MEMBRANES, METHODS FOR MAKING THESE MEMBRANES, AND THE USE OF THESE MEMBRANES AS BATTERY SEPARATOR FILMS 审中-公开
标题翻译：微孔膜，制造这些膜的方法以及作为电池分离膜的这些膜的使用
公开(公告)号：US20110223485A1
公开(公告)日：2011-09-15
申请号：US13047994
申请日：2011-03-15
申请人： Shintaro Kikuchi , Kotaro Takita , Junko Takita , Kazuhiro Yamada
发明人： Shintaro Kikuchi , Kotaro Takita , Junko Takita , Kazuhiro Yamada
IPC分类号： H01M2/16 , B29C47/78
CPC分类号： H01M2/16 , B01D71/26 , B01D2325/34 , B29C48/0013 , B29C48/022 , B29C48/08 , B29C48/91 , B29C48/914 , B29C2948/92704 , B29C2948/92904 , B29K2105/04 , B29K2995/005 , B29L2031/3468 , H01M2/145 , H01M2/1653 , H01M2/166 , H01M2/1686 , H01M2/348 , H01M10/0525 , H01M10/0565 , Y10T428/249953 , Y10T428/31913
摘要： A membrane includes a first polyethylene having an Mw
摘要翻译：膜包括Mw <1.0×10 6的第一聚乙烯，Mw≥1.0×10 6的第二聚乙烯和Mw≥5.0×10 5的聚丙烯和＆Dgr; Hm 80.0J / g的聚丙烯; 其中（a）（i）Mw≥5.0×10 5和＆Dgr; Hm 80.0J / g的聚丙烯的量和（ii）第二聚乙烯的量的总和为≥15.0wt。％，重量百分比基于膜中聚合物的总重量; （b）膜的厚度为n1E;12.0μm; 和（c）膜是微孔的。

4. 发明申请

US20100295511A1 MULTI-LAYER, MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR AND BATTERY 有权
标题翻译：多层，微孔多孔膜，其生产方法，电池分离器和电池
公开(公告)号：US20100295511A1
公开(公告)日：2010-11-25
申请号：US12675717
申请日：2008-08-29
申请人： Shintaro Kikuchi , Kotaro Takita , Junko Takita
发明人： Shintaro Kikuchi , Kotaro Takita , Junko Takita
IPC分类号： H02J7/00 , B32B27/32 , B29D7/01 , H01M10/14
CPC分类号： B01D69/12 , B01D67/0027 , B01D69/02 , B01D71/26 , B01D2323/12 , B01D2325/34 , B32B27/08 , B32B27/32 , Y10T29/53135 , Y10T428/249981
摘要： The invention relates to polyolefin membranes and membrane precursors comprising polyethylene and polypropylene. The polyolefin membrane can be a microporous polyolefin membrane comprising a first microporous layer and at least one second microporous layers where the first and second layers contain polypropylene and polyethylene, and the amount of polyethylene in the first layer is at least about 80 wt. % and the amount of polyethylene in the second layer is at least about 50 wt. %. The amount of polyethylene is higher in the first microporous layer than in the second microporous layer, and the total amount of the polyethylene in the first and second microporous layers is at least about 61 wt. %, based on the weight of the multi-layer, microporous polyolefin membrane.
摘要翻译：本发明涉及聚烯烃膜和包含聚乙烯和聚丙烯的膜前体。聚烯烃膜可以是包含第一微孔层和至少一个第二微孔层的微孔聚烯烃膜，其中第一层和第二层包含聚丙烯和聚乙烯，并且第一层中的聚乙烯的量为至少约80wt。％，第二层中的聚乙烯的量为至少约50wt。％。第一微孔层中的聚乙烯的量比第二微孔层高，第一和第二微孔层中的聚乙烯的总量为至少约61重量％。％，基于多层微孔聚烯烃膜的重量。

5. 发明申请

US20130189587A1 MICROPOROUS MEMBRANES, METHODS FOR MAKING SUCH MEMBRANES, AND THE USE OF SUCH MEMBRANES AS BATTERY SEPARATOR FILM 审中-公开
标题翻译：微孔膜，制造这种膜的方法以及作为电池分离膜的这种膜的使用
公开(公告)号：US20130189587A1
公开(公告)日：2013-07-25
申请号：US13634038
申请日：2011-03-07
申请人： Shintaro Kikuchi , Kazuhiro Yamada , Junko Takita
发明人： Shintaro Kikuchi , Kotaro Takita , Kazuhiro Yamada
IPC分类号： H01M2/16
CPC分类号： H01M2/1653 , H01M2/145 , H01M10/0525
摘要： The invention relates to microporous membranes having a thickness 19.0 micrometer or less, the membranes having a relatively high porosity, air permeability and puncture strength. Such membranes can be produced by extrusion and are suitable for use as battery separator film.
摘要翻译：本发明涉及厚度为19.0微米或更小的微孔膜，该膜具有相对高的孔隙率，透气性和穿刺强度。这种膜可以通过挤出制造并且适合用作电池隔膜。

6. 发明授权

US08932748B2 Multi-layer, microporous polyolefin membrane, its production method, and battery separator 有权
标题翻译：多层，微孔聚烯烃膜，其制备方法和电池隔膜
公开(公告)号：US08932748B2
公开(公告)日：2015-01-13
申请号：US12091351
申请日：2006-10-23
申请人： Shintaro Kikuchi , Kotaro Takita
发明人： Shintaro Kikuchi , Kotaro Takita
IPC分类号： H01M2/16 , B32B27/32 , H01M10/052
CPC分类号： H01M2/1653 , B32B27/32 , H01M2/166 , H01M2/1686 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y10T428/249978
摘要： (1) a combination of a microporous layer made of a polyethylene resin and a microporous layer made of polypropylene and a heat-resistant resin having a melting point or a glass transition temperature of 170° C. or higher, or (2) a combination of a microporous layer made of a polyethylene resin and a microporous layer made of polypropylene and inorganic filler having an aspect ratio of 2 or more provides a multi-layer, microporous polyolefin membrane with well-balanced permeability, mechanical strength, heat shrinkage resistance, shutdown properties and meltdown properties.
摘要翻译：（1）由聚乙烯树脂制成的微孔层和由聚丙烯制成的微孔层和熔点或玻璃化转变温度为170℃以上的耐热性树脂的组合，或（2）组合的由聚乙烯树脂制成的微孔层和由聚丙烯制成的微孔层和纵横比为2以上的无机填料提供了具有良好平衡渗透性，机械强度，耐热收缩性，停机的多层微孔聚烯烃膜性能和熔化性能。

7. 发明授权

US08748028B2 Multi-layer microporous membrane, battery separator and battery 有权
标题翻译：多层微孔膜，电池分离器和电池
公开(公告)号：US08748028B2
公开(公告)日：2014-06-10
申请号：US11934491
申请日：2007-11-02
申请人： Kotaro Takita , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/18
CPC分类号： H01M2/1653 , B01D69/02 , B01D69/12 , B01D71/26 , B01D2325/34 , B29C47/0004 , B29C47/0021 , B29C47/06 , B29C47/14 , B29C47/40 , B29C47/8805 , B29C47/8845 , B29C55/005 , B29C55/06 , B29K2023/06 , B29K2023/12 , B29K2105/04 , B29K2105/256 , B29L2009/00 , B29L2031/3468 , B29L2031/755 , C08L23/06 , C08L23/0815 , C08L23/10 , C08L2205/02 , C08L2205/03 , H01M2/1686 , H01M10/0525 , Y10T428/24998 , C08L2666/02 , C08L2666/06
摘要： The invention relates to a particular multi-layer microporous membrane having a good balance of important properties, including excellent electrochemical stability and low heat shrinkage, while maintaining high permeability and heat resistance, with good mechanical strength, compression resistance and electrolytic solution absorption. Of particular importance when used as a battery separator, the present multi-layer microporous membrane exhibits excellent heat shrinkage, melt down temperature and thermal mechanical properties, i.e. low maximum shrinkage in the molten state. The multi-layer microporous membrane of the present invention is manufactured by layering, such as for example by coextrusion, one or more microporous membrane first layers and one or more microporous membrane second layers, such as on one or both sides of a first layer. The invention further relates to battery separators comprising the multi-layer microporous membrane and batteries utilizing the battery separators.
摘要翻译：本发明涉及一种具有良好的重要性能平衡的特定多层微孔膜，包括优异的电化学稳定性和低热收缩性，同时保持高的渗透性和耐热性，具有良好的机械强度，抗压缩性和电解液吸收。当用作电池隔膜时，特别重要的是，本发明的多层微孔膜具有优异的热收缩率，熔融温度和热机械性能，即熔融状态下的最小收缩率。本发明的多层微多孔膜例如通过共挤出，一层或多层微孔膜第一层和一个或多个微孔膜第二层（例如在第一层的一侧或两侧）上层叠而制成。本发明还涉及包括多层微孔膜的电池隔板和利用电池隔板的电池。

8. 发明授权

US08715849B2 Microporous polymer membrane 有权
标题翻译：微孔聚合物膜
公开(公告)号：US08715849B2
公开(公告)日：2014-05-06
申请号：US11868265
申请日：2007-10-05
申请人： Kotaro Takita , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/14 , H01M2/16 , H01M2/18
CPC分类号： B29C55/005 , B29C47/0021 , B29C47/0042 , B29C47/0057 , B29C47/025 , B29C47/065 , B29K2105/0061 , B29K2105/04 , B29L2031/3468 , B29L2031/7146 , B32B27/06 , B32B27/32 , B32B2307/54 , B32B2307/724 , B32B2457/10 , C08L23/06 , C08L23/10 , C08L2205/02 , C08L2205/03 , C08L2207/068 , H01M2/1653 , Y10T428/24998 , C08L2666/06 , C08L2666/02
摘要： The invention relates to a microporous membrane which comprises polyethylene, the microporous membrane having a differential pore volume curve with an area under the curve over the range of pore diameters of from about 100 nm to about 1,000 nm that is 25% or more of a total area under the curve over the range of pore diameters of from about 10 nm to about 1,000 nm.
摘要翻译：本发明涉及一种包含聚乙烯的微多孔膜，该微多孔膜具有微孔容积曲线，其孔径范围在约100nm至约1,000nm范围内的曲线面积为总共的25％或更多在大约10nm至大约1000nm的孔径范围内的曲线下面积。

9. 发明授权

US08021789B2 Microporous membrane and manufacturing method 有权
标题翻译：微孔膜及制造方法
公开(公告)号：US08021789B2
公开(公告)日：2011-09-20
申请号：US11864214
申请日：2007-09-28
申请人： Kotaro Takita , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/16
CPC分类号： B29C55/005 , B01D67/0027 , B01D69/02 , B01D71/26 , B01D71/76 , B01D2323/02 , B01D2323/30 , B01D2323/34 , B01D2323/38 , B01D2325/022 , B01D2325/22 , B01D2325/24 , B29K2023/06 , B29K2105/04 , H01M2/162 , H01M2/1653
摘要： A microporous membrane having a structure in which its pore size distribution curve obtained by mercury intrusion porosimetry has at least two peaks, which is produced by extruding a combination of a diluent or solvent and a polyolefin resin composition comprising (a) from about 74 to about 99% of a first polyethylene resin having a weight average molecular weight of from about 2.5×105 to about 5×105 and a molecular weight distribution of from about 5 to about 100, (b) from about 1 to about 5% of a second polyethylene resin having a weight average molecular weight of from about 5×105 to about 1×106 and a molecular weight distribution of from about 5 to about 100, and (c) from 0 to about 25% of a polypropylene resin having a weight average molecular weight of from about 3×105 to about 1.5×106, a molecular weight distribution of from about 1 to about 100, and a heat of fusion of 80 J/g or higher, percentages based on the mass of the polyolefin composition; cooling the extrudate to form a high polyolefin content cooled extrudate; stretching the cooled extrudate in at least one direction at a high stretching temperature to form a stretched sheet; removing at least a portion of the diluent or solvent from the stretched sheet to form a membrane; stretching the membrane to a high magnification in at least one direction to form a stretched membrane; and heat-setting the stretched membrane to form the microporous membrane.
摘要翻译：具有通过水银侵入孔隙率法获得的孔径分布曲线的结构的微孔膜具有通过挤出稀释剂或溶剂的组合和聚烯烃树脂组合物制成的至少两个峰，所述聚烯烃树脂组合物包含（a）约74至约 99％的重均分子量为约2.5×10 5至约5×10 5，分子量分布为约5至约100的第一聚乙烯树脂，（b）约1至约5％的第二聚乙烯树脂重均分子量为约5×10 5至约1×10 6，分子量分布为约5至约100的聚乙烯树脂和（c）0至约25重量％的聚丙烯树脂分子量为约3×10 5至约1.5×10 6，分子量分布为约1至约100，熔融热为80J / g或更高，基于聚烯烃组合物的质量百分比; 冷却挤出物以形成高聚烯烃含量冷却的挤出物; 在高拉伸温度下以至少一个方向拉伸冷却的挤出物以形成拉伸片材; 从拉伸的片材中除去至少一部分稀释剂或溶剂以形成膜; 在至少一个方向上将膜拉伸至高放大倍数以形成拉伸膜; 并将拉伸的膜热定型以形成微孔膜。

10. 发明申请

US20100003591A1 POLYOLEFIN COMPOSITION, ITS PRODUCTION METHOD, AND A BATTERY SEPARATOR MADE THEREFROM 有权
标题翻译：聚烯烃组合物及其制造方法和电池分离器
公开(公告)号：US20100003591A1
公开(公告)日：2010-01-07
申请号：US12375877
申请日：2007-08-01
申请人： Kotaro Takita , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/16 , C08F110/02 , C08J9/228 , B29D7/01 , B32B5/18
CPC分类号： C08L23/06 , B29C47/0021 , B29C47/065 , B29K2023/06 , B29K2023/12 , B29K2105/0061 , B32B27/32 , C08L23/04 , C08L23/0815 , C08L23/10 , C08L23/12 , C08L2205/02 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L2207/062 , C08L2207/068 , C08L2666/02
摘要： The invention relates to a polyolefin composition. The polyolefin composition can be in the form of a multi-layer, microporous polyolefin membrane comprising a first microporous layer containing 7% or less by mass of ultra-high-molecular-weight polyethylene having a weight-average molecular weight of 1×106 or more, and having a structure in which a pore size distribution curve obtained by mercury intrusion porosimetry has at least two peaks, and a second microporous layer containing 8% or more by mass of the ultra-high-molecular-weight polyethylene.
摘要翻译：本发明涉及聚烯烃组合物。聚烯烃组合物可以是多层微孔聚烯烃膜的形式，其包含含有重量平均分子量为1×10 6以上的超高分子量聚乙烯7质量％以下的第1微孔层，并且具有其中通过水银侵入孔隙率法获得的孔径分布曲线具有至少两个峰的结构，以及含有超过高分子量聚乙烯的8质量％以上的第二微孔层。

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