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1. 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。

2. 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。

3. 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。

4. 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。

5. 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。

6. 发明申请

US20090269656A1 MICROPOROUS POLYETHYLENE MEMBRANE, ITS PRODUCTION METHOD, AND BATTERY SEPARATOR 有权
标题翻译：微波聚乙烯薄膜及其生产方法和电池分离器
公开(公告)号：US20090269656A1
公开(公告)日：2009-10-29
申请号：US12066965
申请日：2006-09-14
申请人： Kotaro Takita , Shintaro Kikuchi , Kazuhiro Yamada , Teiji Nakamura , Koichi Kono
发明人： Kotaro Takita , Shintaro Kikuchi , Kazuhiro Yamada , Teiji Nakamura , Koichi Kono
IPC分类号： H01M2/16 , B32B3/26 , C08J9/00
CPC分类号： H01M2/1653 , B01D67/0027 , B01D67/0083 , B01D67/009 , B01D67/0093 , B01D69/02 , B01D71/26 , B01D2323/30 , B01D2323/38 , B01D2325/022 , B01D2325/023 , B01D2325/24 , B01D2325/34 , H01M10/052 , Y10T428/249979
摘要： A microporous polyethylene membrane made of a polyethylene resin having a ratio (mass-average molecular weight/number-average molecular weight) of 5 to 300 and comprising 1% or more by mass of ultra-high-molecular-weight polyethylene having a mass-average molecular weight of 7×105 or more, the microporous polyethylene membrane comprising (a) a coarse-structure layer having an average pore diameter of more than 0.04 μm, which is formed on at least one surface, and (b) a dense-structure layer having an average pore diameter of 0.04 μm or less, an area ratio of the coarse-structure layer to the dense-structure layer in a membrane cross section being 0.1 to 0.8.
摘要翻译：一种由聚乙烯树脂制成的微孔聚乙烯膜，其具有5〜300的质量比（质量平均分子量/数均分子量），并且含有1质量％以上的超高分子量聚乙烯，平均分子量为7×10 5或更高，所述微孔聚乙烯膜包含（a）在至少一个表面上形成的平均孔径大于0.04μm的粗结构层，和（b）致密结构层平均孔径为0.04μm以下，膜截面中的粗结构层与致密结构层的面积比为0.1〜0.8。

7. 发明申请

US20090072434A1 Coextrusion die and manifold system therefor 审中-公开
标题翻译：共挤出模具和歧管系统
公开(公告)号：US20090072434A1
公开(公告)日：2009-03-19
申请号：US11901164
申请日：2007-09-14
申请人： Kotaro Takita , Shintaro Kikuchi , Koichi Kono
发明人： Kotaro Takita , Shintaro Kikuchi , Koichi Kono
IPC分类号： B29C47/88
CPC分类号： B29C55/023 , B29C48/08 , B29C48/21 , B29C48/30 , B29C48/307 , B29C48/313 , B29C48/705 , B29C55/005 , B29K2023/0683 , B29K2105/04 , B29L2031/3468 , B29L2031/7146
摘要： A coextrusion die for producing a multilayer film or sheet of thermoplastic materials. The coextrusion die includes a die outlet through which a layered melt stream of the thermoplastic materials is extruded as a multilayer film or sheet, a first die section for producing a core layer, the first die section having a flat manifold, the flat manifold having a feed entrance and a pressure manifold in communication with the slotted die outlet, a second die section for producing a first skin layer, the second die section having a cross flow manifold, the cross flow manifold having a flow path wherein a portion of a melt stream of the thermoplastic material traverses the second die section's length more than once, the cross flow manifold having a feed entrance and a pressure manifold in communication with the slotted die outlet, and a third die section for producing a second skin layer, the third die section having a cross flow manifold, the cross flow manifold having a flow path wherein a portion of a melt stream of the thermoplastic material traverses the third die section's length more than once, the cross flow manifold having a feed entrance and a pressure manifold in communication with the slotted die outlet. A process for making a multilayer extrudate of thermoplastic materials is also provided.
摘要翻译：一种用于生产多层膜或热塑性材料片的共挤出模。共挤出模具包括模具出口，热塑性材料的分层熔融流体通过该模具出口作为多层膜或片材挤出，用于制造芯层的第一模具部分，第一模具部分具有平坦的歧管，所述平面歧管具有进料入口和与开槽模具出口连通的压力歧管，用于产生第一表皮层的第二模具部分，所述第二模具部分具有横流歧管，所述横流歧管具有流动路径，其中一部分熔体流所述热塑性材料横穿所述第二模具部分的长度不止一次，所述横流歧管具有与所述开槽模具出口连通的进料入口和压力歧管，以及用于产生第二表皮层的第三模具部分，所述第三模具部分具有横流歧管，所述横流歧管具有流动路径，其中所述热塑性材料的熔体流的一部分穿过所述第三模具部分长度不止一次，横流歧管具有进料入口和与开槽模具出口连通的压力歧管。还提供了制造热塑性材料的多层挤出物的方法。

8. 发明授权

US09431642B2 Multi-layer microporous polyolefin membrane and battery separator 有权
标题翻译：多层微孔聚烯烃膜和电池隔膜
公开(公告)号：US09431642B2
公开(公告)日：2016-08-30
申请号：US11995487
申请日：2006-07-14
申请人： Shintaro Kikuchi , Kotaro Takita , Koichi Kono
发明人： Shintaro Kikuchi , Kotaro Takita , Koichi Kono
IPC分类号： H01M2/16 , B01D67/00 , B01D69/02 , B01D69/12 , B01D71/26 , B29C55/02 , B29C55/16 , B32B27/32 , B29K23/00 , B29K105/04 , H01M10/0525 , H01M10/42
CPC分类号： H01M10/4235 , B01D67/0027 , B01D69/02 , B01D69/12 , B01D71/26 , B01D2325/22 , B01D2325/24 , B29B7/002 , B29C47/0057 , B29C47/0064 , B29C55/023 , B29C55/16 , B29K2023/065 , B29K2023/0683 , B29K2105/0088 , B29K2105/04 , B29K2995/0068 , B29L2031/3468 , B29L2031/755 , B32B27/32 , H01M2/1653 , H01M2/1686 , H01M10/0525 , Y02E60/122
摘要： A multi-layer, microporous polyolefin membrane having at least three layers, which comprises first microporous layers made of a polyethylene resin for constituting at least both surface layers, and at least one second microporous layer comprising a polyethylene resin and polypropylene and disposed between both surface layers, the heat of fusion (ΔHm) of the polypropylene measured by differential scanning calorimetry being 90 J/g or more, and the polypropylene content in the second microporous layer being 50% or less by mass based on 100% by mass of the total of the polyethylene resin and the polypropylene.
摘要翻译：一种具有至少三层的多层微孔聚烯烃膜，其包括由用于构成至少两个表面层的聚乙烯树脂制成的第一微孔层和至少一个包含聚乙烯树脂和聚丙烯的第二微孔层，并且设置在两个表面之间通过差示扫描量热法测定的聚丙烯的熔融热（ΔHm）为90J / g以上，第二微孔层的聚丙烯含量相对于总量为100质量％为50质量％以下的聚乙烯树脂和聚丙烯。

9. 发明申请

US20090253032A1 MULTI-LAYER, MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR, AND BATTERY 审中-公开
标题翻译：多层，微孔聚烯烃薄膜，其生产方法，电池分离器和电池
公开(公告)号：US20090253032A1
公开(公告)日：2009-10-08
申请号：US12296232
申请日：2007-04-09
申请人： Kotaro Takita , Shintaro Kikuchi
发明人： Kotaro Takita , Shintaro Kikuchi
IPC分类号： H01M2/18 , H01M2/16 , B29C55/00 , B32B37/20
CPC分类号： H01M2/1653 , B29C48/08 , B29C48/90 , B29C48/906 , B29C48/91 , B29C48/914 , 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; said first microporous layer being made of a first polyolefin comprising (i) polypropylene, or (ii) a mixture of 50% or more by mass of polypropylene and a polyethylene resin; said second microporous layer being made of a second polyolefin comprising (i) a mixture of 7% or less by mass of ultra-high-molecular-weight polyethylene having weight-average molecular weight of 1×106 or more and the other polyethylene than said ultra-high-molecular-weight polyethylene, (ii) the other polyethylene than said ultra-high-molecular-weight polyethylene, or (iii) a mixture of 50% or less by mass of polypropylene and said mixture (i) or said polyethylene (ii); said second microporous layer having a larger average pore diameter than that of said first microporous layer; and the total thickness of said first microporous layers being 15-60% per 100% of the total thickness of said first and second microporous layers.
摘要翻译：一种多层微孔聚烯烃膜，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; 所述第一微孔层由第一聚烯烃制成，所述第一聚烯烃包含（i）聚丙烯，或（ii）50质量％以上的聚丙烯和聚乙烯树脂的混合物; 所述第二微孔层由第二聚烯烃制成，所述第二聚烯烃包含（i）重均分子量为1×10 6以上的超高分子量聚乙烯的7质量％以下的混合物，高分子量聚乙烯，（ii）除了所述超高分子量聚乙烯以外的其它聚乙烯，或者（iii）50质量％以下的聚丙烯和所述混合物（i）或所述聚乙烯（ii）的混合物）; 所述第二微孔层的平均孔径大于所述第一微孔层的平均孔径; 并且所述第一微孔层的总厚度为所述第一和第二微孔层的总厚度的100％的15-60％。

10. 发明申请

US20090148761A1 MULTI-LAYER, MICROPOROUS POLYETHYLENE MEMBRANE, BATTERY SEPARATOR FORMED THEREBY AND BATTERY 有权
标题翻译：多层，微孔聚乙烯膜，电池分离器和电池
公开(公告)号：US20090148761A1
公开(公告)日：2009-06-11
申请号：US12064350
申请日：2006-08-24
申请人： Shintaro Kikuchi , Kotaro Takita
发明人： Shintaro Kikuchi , Kotaro Takita
IPC分类号： H01M2/16 , B32B3/26 , B32B5/18 , B29C47/06
CPC分类号： H01M2/162 , B32B27/32 , H01M2/1653 , H01M10/0525 , H01M2200/10 , H01M2300/0025 , Y02E60/122 , Y02P70/54 , Y10T428/249978
摘要： A multi-layer, microporous polyethylene membrane comprising (a) a first microporous layer made of a polyethylene resin, and (b) a second microporous layer comprising a polyethylene resin, and a heat-resistant polymer having a melting point or a glass transition temperature of 170° C. or higher, the heat-resistant polymer being dispersed in the form of fine particles in the polyethylene resin, and the second microporous layer having pores containing fine particles of the heat-resistant polymer as nuclei from which the cleavage of polyethylene resin fibrils starts, the multi-layer microporous polyethylene membrane having well-balanced shutdown properties, meltdown properties, permeability, mechanical strength, heat shrinkage resistance and compression resistance.
摘要翻译：一种多层微孔聚乙烯膜，包括（a）由聚乙烯树脂制成的第一微孔层，和（b）包含聚乙烯树脂的第二微孔层和具有熔点或玻璃化转变温度的耐热聚合物为170℃以上，耐热性聚合物以聚乙烯树脂中的细颗粒的形式分散，第二微孔层具有含有耐热聚合物微粒的孔，作为核，其中聚乙烯树脂原纤维开始，多层微孔聚乙烯膜具有良好的平衡关闭性能，熔化性能，渗透性，机械强度，耐热收缩性和抗压缩性。

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