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1. 发明授权

US07988895B2 Production method of microporous polyethylene membrane and battery separator 有权
标题翻译：微孔聚乙烯膜和电池隔膜的生产方法
公开(公告)号：US07988895B2
公开(公告)日：2011-08-02
申请号：US12088037
申请日：2006-09-27
申请人： Kotaro Takita , Shintaro Kikuchi , Kotaro Kimishima
发明人： Kotaro Takita , Shintaro Kikuchi , Kotaro Kimishima
IPC分类号： B29C47/06
CPC分类号： H01M2/1653 , B01D67/002 , B01D69/12 , B01D71/26 , B01D2323/12 , B01D2325/22 , B01D2325/34 , B32B5/18 , B32B27/32 , H01G9/02 , H01M2/145 , H01M2/162 , H01M10/0565
摘要： A microporous polyethylene membrane having well-balanced permeability, mechanical properties, heat shrinkage resistance, compression resistance, electrolytic solution absorbability, shutdown properties and meltdown properties, with an average pore diameter changing in a thickness direction is produced by melt-blending a polyethylene resin and a membrane-forming solvent to prepare a solution A having a resin concentration of 25 to 50% by mass and a solution B having a resin concentration of 10 to 30% by mass, the resin concentration in the solution A being higher than that in the solution B, (a) simultaneously extruding the resin solutions A and B through a die, cooling the resultant extrudate to provide a gel-like sheet in which the resin solutions A and B are laminated, and removing the membrane-forming solvent from the gel-like sheet, or (b) extruding the resin solutions A and B through separate dies, removing the membrane-forming solvent from the resultant gel-like sheets A and B to form microporous polyethylene membranes A and B, and alternately laminating the microporous polyethylene membranes A and B, while easily controlling the average pore diameter distribution in the microporous polyethylene membrane in a thickness direction.
摘要翻译：通过将聚乙烯树脂和聚乙烯树脂熔融共混来制造平均孔径在厚度方向上变化的具有良好平衡的渗透性，机械性能，耐热收缩性，耐压缩性，电解溶液吸收性，停机性和熔融性的微孔聚乙烯膜，成膜溶剂以制备树脂浓度为25〜50质量％的溶液A和树脂浓度为10〜30质量％的溶液B，溶液A中的树脂浓度高于溶液B，（a）通过模具同时挤出树脂溶液A和B，冷却所得挤出物以提供其中层压有树脂溶液A和B的凝胶状片材，并从凝胶中除去成膜溶剂或（b）通过分开的模具挤出树脂溶液A和B，从得到的凝胶状片材A和B中除去成膜溶剂，形成微孔聚乙烯膜A和B，并且交替地层叠微孔聚乙烯膜A和B，同时容易地控制微孔聚乙烯膜在厚度方向上的平均孔径分布。

2. 发明申请

US20090269672A1 PRODUCTION METHOD OF MICROPOROUS POLYETHYLENE MEMBRANE AND BATTERY SEPARATOR 有权
标题翻译：微波聚乙烯膜和电池分离器的生产方法
公开(公告)号：US20090269672A1
公开(公告)日：2009-10-29
申请号：US12088037
申请日：2006-09-27
申请人： Kotaro Takita , Shintaro Kikuchi , Kotaro Kimishima
发明人： Kotaro Takita , Shintaro Kikuchi , Kotaro Kimishima
IPC分类号： H01M2/16 , B29C44/50
CPC分类号： H01M2/1653 , B01D67/002 , B01D69/12 , B01D71/26 , B01D2323/12 , B01D2325/22 , B01D2325/34 , B32B5/18 , B32B27/32 , H01G9/02 , H01M2/145 , H01M2/162 , H01M10/0565
摘要： A microporous polyethylene membrane having well-balanced permeability, mechanical properties, heat shrinkage resistance, compression resistance, electrolytic solution absorbability, shutdown properties and meltdown properties, with an average pore diameter changing in a thickness direction is produced by melt-blending a polyethylene resin and a membrane-forming solvent to prepare a solution A having a resin concentration of 25 to 50% by mass and a solution B having a resin concentration of 10 to 30% by mass, the resin concentration in the solution A being higher than that in the solution B, (a) simultaneously extruding the resin solutions A and B through a die, cooling the resultant extrudate to provide a gel-like sheet in which the resin solutions A and B are laminated, and removing the membrane-forming solvent from the gel-like sheet, or (b) extruding the resin solutions A and B through separate dies, removing the membrane-forming solvent from the resultant gel-like sheets A and B to form microporous polyethylene membranes A and B, and alternately laminating the microporous polyethylene membranes A and B, while easily controlling the average pore diameter distribution in the microporous polyethylene membrane in a thickness direction.
摘要翻译：通过将聚乙烯树脂和聚乙烯树脂熔融共混来制造平均孔径在厚度方向上变化的具有良好平衡的渗透性，机械性能，耐热收缩性，耐压缩性，电解溶液吸收性，停机性和熔融性的微孔聚乙烯膜，成膜溶剂以制备树脂浓度为25〜50质量％的溶液A和树脂浓度为10〜30质量％的溶液B，溶液A中的树脂浓度高于溶液B，（a）通过模具同时挤出树脂溶液A和B，冷却所得挤出物以提供其中层压有树脂溶液A和B的凝胶状片材，并从凝胶中除去成膜溶剂或（b）通过分开的模具挤出树脂溶液A和B，从得到的凝胶状片材A和B中除去成膜溶剂，形成微孔聚乙烯膜A和B，并且交替地层叠微孔聚乙烯膜A和B，同时容易地控制微孔聚乙烯膜在厚度方向上的平均孔径分布。

3. 发明申请

US20090146334A1 METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE AND MICROPOROUS MEMBRANE 审中-公开
标题翻译：生产微孔多孔膜和微孔膜的方法
公开(公告)号：US20090146334A1
公开(公告)日：2009-06-11
申请号：US11910201
申请日：2006-03-29
申请人： Kotaro Takita , Kotaro Kimishima , Koichi Kono
发明人： Kotaro Takita , Kotaro Kimishima , Koichi Kono
IPC分类号： B29C67/20
CPC分类号： B01D69/02 , B01D67/0027 , B01D71/26 , B01D2323/08 , B01D2325/20 , B01D2325/24 , B29C48/0018 , B29C48/2725 , B29C48/30 , B29C48/305 , B29C55/005 , B29K2023/00 , B29K2023/04 , B29K2105/04 , C08J5/18 , C08J2323/02 , C08J2323/06 , H01M2/145 , H01M2/1653 , H01M10/4235
摘要： A microporous polyolefin membrane having large pore diameters and excellent air permeability, mechanical strength and compression resistance can be obtained by (a) stretching a gel molding comprising a polyolefin and a membrane-forming solvent at least uniaxially at a temperature from the crystal dispersion temperature of the polyolefin +15° C. to the crystal dispersion temperature of the polyolefin +40° C., removing the membrane-forming solvent, and then stretching again the resultant membrane to 1.1 to 2.5 fold at least uniaxially, or by (b) stretching the gel molding at least uniaxially, bringing the stretched film into contact with a hot solvent before and/or after removing the membrane-forming solvent, and then stretching again the resultant membrane to 1.1 to 2.5 fold at least uniaxially.
摘要翻译：通过（a）在从晶体分散温度的温度下至少单轴拉伸含有聚烯烃和成膜溶剂的凝胶成型体，可以得到孔径大，透气性，机械强度和抗压缩性优异的微孔聚烯烃膜聚烯烃+ 15℃至聚烯烃的结晶分散温度+ 40℃，除去成膜溶剂，然后再将所得膜再次拉伸至至少单轴至1.1倍至2.5倍，或（b）拉伸至少单轴地凝胶成型，在除去成膜溶剂之前和/或之后使拉伸膜与热溶剂接触，然后再将所得膜再次拉伸至至少单轴至1.1倍至2.5倍。

4. 发明申请

US20070012617A1 Method for producing micro-porous film of thermoplastic resin 审中-公开
标题翻译：热塑性树脂微孔薄膜的制造方法
公开(公告)号：US20070012617A1
公开(公告)日：2007-01-18
申请号：US10570265
申请日：2004-08-31
申请人： Sadakatsu Suzuki , Kotaro Kimishima , Kotaro Takita
发明人： Sadakatsu Suzuki , Kotaro Kimishima , Kotaro Takita
IPC分类号： B01D71/06
CPC分类号： B01D67/002 , B01D67/0027 , B01D67/0088 , B01D71/26 , B01D2325/20 , B01D2325/22
摘要： A method for producing a microporous thermoplastic resin membrane comprising the steps of extruding a solution obtained by melt-blending a thermoplastic resin and a membrane-forming solvent through a die, cooling an extrudate to form a gel-like molding, removing the membrane-forming solvent from the gel-like molding by a washing solvent, and removing the washing solvent, the washing solvent having (a) a surface tension of 24 mN/m or less at a temperature of 25° C., (b) a boiling point of 100° C. or lower at the atmospheric pressure, and (c) a solubility of 600 ppm (on a mass basis) or less in water at a temperature of 16° C.; and the washing solvent remaining in the washed molding being removed by using warm water.
摘要翻译：一种微孔热塑性树脂膜的制造方法，其特征在于，包括以下步骤：将通过模头熔融共混热塑性树脂和成膜溶剂得到的溶液挤出，冷却挤出物，形成凝胶状成型，除去成膜溶剂，通过洗涤溶剂从凝胶状模塑中除去洗涤溶剂，洗涤溶剂的（a）在25℃的温度下具有24mN / m以下的表面张力，（b）沸点在大气压下为100℃以下，（c）在16℃的温度下在水中的溶解度为600ppm（以质量计）以下。并且通过使用温水除去残留在洗涤的模制品中的洗涤溶剂。

5. 发明授权

US08475724B2 Method and apparatus for plasma-treating porous body 有权
标题翻译：等离子体处理多孔体的方法和装置
公开(公告)号：US08475724B2
公开(公告)日：2013-07-02
申请号：US12066447
申请日：2006-09-11
申请人： Koichi Kono , Kotaro Kimishima , Kazuki Kiso
发明人： Koichi Kono , Kotaro Kimishima , Kazuki Kiso
IPC分类号： B01J19/08 , H05H1/24
CPC分类号： B01D71/26 , B01D67/009 , B01D2323/26 , B01D2323/34 , B01D2323/42 , B05D1/62 , D06M10/025 , D06M14/28 , H01J37/32082
摘要： A method for plasma-treating a porous body, comprising the steps of generating plasma using an inert gas or a mixed gas of an inert gas and a reactive gas, (a) blowing the resultant plasma gas to the porous body at a flow rate per a unit area of the porous body of 0.002 to 2 L/minute/cm2, (b) sucking the porous body in a plasma gas atmosphere, or (c) sucking the porous body while blowing the plasma gas to the porous body at said flow rate, thereby treating the plasma the surfaces and pores of said porous body with plasma.
摘要翻译：一种用于等离子体处理多孔体的方法，包括以下步骤：使用惰性气体或惰性气体和反应性气体的混合气体产生等离子体，（a）以所述流动速率将所产生的等离子体气体吹送至多孔体多孔体的单位面积为0.002〜2L /分/ cm 2，（b）在等离子体气体气氛中吸附多孔体，或者（c）在所述流动下将等离子体气体吹送到多孔体的同时吸入多孔体速率，从而用等离子体处理所述多孔体的表面和孔隙的等离子体。

6. 发明授权

US08414663B2 Microporous polyolefin membrane comprising a polyethlene resin having a specific viscoelastic angular frequency, its production method, battery separator and battery comprising the same 有权
标题翻译：包含具有特定粘弹性角频率的聚乙烯树脂的微孔聚烯烃膜，其制造方法，电池隔膜和包含该聚烯烃的电池
公开(公告)号：US08414663B2
公开(公告)日：2013-04-09
申请号：US12675737
申请日：2008-08-29
申请人： Kotaro Kimishima
发明人： Kotaro Kimishima
IPC分类号： H01M2/16 , H01M6/02 , B32B27/32 , B29C67/20
CPC分类号： C08J9/28 , C08J2201/03 , C08J2201/0502 , C08J2323/04 , H01M2/145 , H01M2/1653 , H01M10/052 , H01M10/30 , H01M10/345 , Y10T29/49108 , Y10T428/249993
摘要： The invention relates to a microporous membrane. The membrane can have an average thickness of 23 ?m or more, an air permeability in a range of about 20 sec/100 cm3 to 100 sec/100 cm3, a pin puncture strength of 2,450 mN or more, and a heat shrinkage ratio of 12% or less at 105° C. The membrane can be produced from a polyolefin solution made by combining a membrane-forming solvent and at least one polyolefin resin containing polyethylene having a viscoelastic angular frequency ??0#191 of at least about 0.01 rad/sec.
摘要翻译：本发明涉及一种微孔膜。膜的平均厚度可以为23μm以上，透气度为约20秒/ 100cm 3〜100秒/ 100cm 3，针穿刺强度为2450mN以上，热收缩率为在105℃下为12％或更低。膜可以由聚烯烃溶液制成，该聚烯烃溶液通过将成膜溶剂和至少一种含有至少约0.01rad的粘弹性角频率Δθ0＃191的聚乙烯的聚烯烃树脂 /秒。

7. 发明申请

US20100289174A1 METHOD FOR REMOVING DILUENT FROM A POLYMER EXTRUDATE, AND ITS APPLICATIONS 有权
标题翻译：从聚合物挤出机中除去二氧化碳的方法及其应用
公开(公告)号：US20100289174A1
公开(公告)日：2010-11-18
申请号：US12808095
申请日：2008-12-12
申请人： Kotaro Kimishima , Sadakatsu Suzuki
发明人： Kotaro Kimishima , Sadakatsu Suzuki
IPC分类号： B29C47/08 , C08J3/00
CPC分类号： C08J9/28 , B01D67/0016 , B01D67/0095 , B01D2323/08 , C08J11/02 , C08J2201/03 , C08J2201/0543 , C08J2201/0546 , H01M2/145 , H01M2/1653 , H01M10/052 , H01M10/0565
摘要： The invention relates to a method for removing a process solvent (P-sol) from a polymer extrudate, especially in connection with a process for producing a microporous membrane. The method involves contacting the extrudate with chlorinated hydrocarbon (CHC) and hydrofluoroether (HFE) in a first stage; contacting the extrudate from the first stage with HFE in a second stage; combining the first and second waste streams and then separating the P-sol from the combined streams to make an HFE-CHC stream; cooling the HFE-CHC stream to make an HFE-rich phase and a CHC-rich phase; and conducting the CHC-rich phase and/or the HFE-rich phase to step (A).
摘要翻译：本发明涉及一种从聚合物挤出物中除去工艺溶剂（P-sol）的方法，特别是与微孔膜的制造方法有关。该方法包括在第一阶段使挤出物与氯化烃（CHC）和氢氟醚（HFE）接触; 在第二阶段将来自第一阶段的挤出物与HFE接触; 组合第一和第二废物流，然后将P-sol与合并的流分离以制备HFE-CHC流; 冷却HFE-CHC流以形成富含HFE的相和富CHC相; 并且将富CHCl相和/或富HFE相进行到步骤（A）。

8. 发明授权

US07700182B2 Microporous polyolefin membrane, its production method, and battery separator 有权
标题翻译：微孔聚烯烃膜，其制备方法和电池隔膜
公开(公告)号：US07700182B2
公开(公告)日：2010-04-20
申请号：US11383260
申请日：2006-05-15
申请人： Hiroyuki Ozaki , Kotaro Kimishima , Koichi Kono , Patrick Brant , Zerong Lin , Jeffery Lawrence Brinen
发明人： Hiroyuki Ozaki , Kotaro Kimishima , Koichi Kono , Patrick Brant , Zerong Lin , Jeffery Lawrence Brinen
IPC分类号： B32B3/26 , C06B21/00 , B29B55/00
CPC分类号： B29C55/005 , B01D67/0025 , B01D67/0027 , B01D69/02 , B01D71/26 , B01D2325/20 , B01D2325/22 , B01D2325/24 , B29K2023/00 , B29K2105/0061 , B29K2105/04 , Y10T428/249953 , Y10T428/249978
摘要： A microporous polyolefin membrane comprising a polyethylene resin, and polypropylene having a weight-average molecular weight of 6×105 or more and a heat of fusion of 90 J/g or more (measured by a differential scanning calorimeter), a fraction having a molecular weight of 1.8×106 or more being 10% or more by mass of the polypropylene.
摘要翻译：包含聚乙烯树脂和重均分子量为6×10 5以上，熔融热为90J / g以上（通过差示扫描量热计测定）的聚丙烯的微孔性聚烯烃膜，具有分子量 1.8×10 6以上的聚丙烯的重量为10质量％以上。

9. 发明申请

US20090234032A1 HYDROPHILIC, COMPOSITE, MICROPOROUS MEMBRANE AND ITS PRODUCTION METHOD 审中-公开
标题翻译：水解，复合，微孔及其制备方法
公开(公告)号：US20090234032A1
公开(公告)日：2009-09-17
申请号：US12097462
申请日：2006-12-15
申请人： Kotaro Kimishima
发明人： Kotaro Kimishima
IPC分类号： C08J5/20
CPC分类号： B01D67/009 , B01D67/0093 , B01D69/125 , B01D69/127 , B01D2323/36 , B01D2323/38 , B01D2325/18 , B01D2325/36 , B01J43/00 , B01J47/12 , C02F1/44 , C02F1/441 , C02F1/444 , H01M2/1653 , H01M8/1072 , Y02P70/56
摘要： A hydrophilic, composite, microporous membrane having an anion exchange group and a cation exchange group on the outer surface or pore surface of a microporous, thermoplastic resin membrane substrate has excellent water permeability, mechanical strength, fine-particles-removing properties, anion-removing properties and cation-removing properties.
摘要翻译：在微孔热塑性树脂膜基材的外表面或孔表面上具有阴离子交换基团和阳离子交换基团的亲水性，复合微孔膜具有优异的透水性，机械强度，除去微粒的性质，阴离子去除性能和阳离子去除性能。

10. 发明授权

US08426070B2 Method for removing diluent from an extrudate of a polymer solution 有权
标题翻译：从聚合物溶液的挤出物中除去稀释剂的方法
公开(公告)号：US08426070B2
公开(公告)日：2013-04-23
申请号：US12747831
申请日：2008-12-12
申请人： Kotaro Kimishima , Sadakatsu Suzuki
发明人： Kotaro Kimishima , Sadakatsu Suzuki
IPC分类号： B01D71/06 , H01M2/16 , C08J9/28
CPC分类号： C08J9/28 , B01D67/0016 , B01D67/0095 , B01D2323/08 , C08J11/02 , C08J2201/03 , C08J2201/0543 , C08J2201/0546 , H01M2/145 , H01M2/1653 , H01M10/052 , H01M10/0565
摘要： The invention relates to a method for removing diluent from a polymer extrudate, especially in connection with a process for producing a microporous membrane. The method involves contacting the extrudate with a second solvent in a first stage; contacting the extrudate from the first stage with a third solvent in a second stage; conducting a first stream away from the first stage and/or conducting a second stream away from the second stage; and cooling at least a portion of the first and/or second stream and separating therefrom at least one of a first phase rich in the second solvent or a second phase rich in the third solvent.
摘要翻译：本发明涉及一种用于从聚合物挤出物中除去稀释剂的方法，特别是涉及用于生产微孔膜的方法。该方法包括在第一阶段使挤出物与第二溶剂接触; 在第二阶段将来自第一阶段的挤出物与第三溶剂接触; 将远离所述第一级的第一流和/或从所述第二级进行第二流的第一流; 以及冷却所述第一和/或第二物流的至少一部分并从其中分离富含第二溶剂的第一相或富含第三溶剂的第二相中的至少一种。

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