公开(公告)号：US08075818B2

公开(公告)日：2011-12-13

申请号：US10973392

申请日：2004-10-27

申请人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

发明人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

IPC分类号： B29C47/88

CPC分类号： H01M2/1653 ,  B01D67/0009 ,  B01D67/0027 ,  B01D67/003 ,  B01D69/02 ,  B01D71/26 ,  B01D2323/08 ,  B01D2323/12 ,  B29D7/01 ,  B29K2023/00 ,  B29K2023/0683 ,  B29K2105/04 ,  H01M2/162 ,  H01M10/0525 ,  Y10T428/249978 ,  Y10T428/249979 ,  Y10T428/24998 ,  Y10T428/249991

摘要： A method for producing a microporous polyolefin membrane formed by fine fibrils, the membrane comprising (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing Component (A), connected to each other, and having micropores of 0.05 to 5 μm in average pore size and crystal lamellas of Component (A) or (B) being in a specific alignment state. The method includes extruding a solution of Component (A) or (B) in a solvent into a gel-like formed article; thermally setting the article, with or without stretching, at least at the crystal dispersion temperature of Component (A) or (B), but at melting point of Component (A) or (B) plus 30° C. or lower; and removing the solvent.

摘要翻译： 一种由细纤维形成的微孔聚烯烃膜的制造方法，所述膜包含（A）重均分子量为5×10 5以上的聚烯烃或（B）含有组分（A）的组合物，彼此连接 ，平均孔径为0.05〜5μm的微孔，成分（A）或（B）的晶体层为特定取向状态。 该方法包括将组分（A）或（B）的溶液在溶剂中挤出成凝胶状成型制品; 至少在组分（A）或（B）的晶体分散温度下，在组分（A）或（B）的熔点加上30℃或更低的温度下，使得或不具有拉伸热定型该制品; 并除去溶剂。

公开(公告)号：US20090277776A1

公开(公告)日：2009-11-12

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： H05H1/24 ,  B01J19/08

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。

公开(公告)号：US20090127733A1

公开(公告)日：2009-05-21

申请号：US12090781

申请日：2006-10-20

申请人： Kotaro Takita ,  Koichi Kono

发明人： Kotaro Takita ,  Koichi Kono

IPC分类号： B29C47/10

CPC分类号： B29C41/24 ,  B01D67/002 ,  B01D67/0027 ,  B01D67/003 ,  B01D2323/06 ,  B29B7/48 ,  B29B7/603 ,  B29B7/726 ,  B29B7/845 ,  B29B17/0005 ,  B29B17/0412 ,  B29B2017/042 ,  B29B2017/0468 ,  B29C48/0022 ,  B29C48/022 ,  B29C48/08 ,  B29C48/277 ,  B29C48/286 ,  B29C48/287 ,  B29C48/297 ,  B29C48/402 ,  B29C48/767 ,  B29C2793/0063 ,  B29D99/005 ,  B29K2105/04 ,  B29K2105/041 ,  B29L2031/3468 ,  B29L2031/7146 ,  B29L2031/755 ,  C08J5/18 ,  C08J11/06 ,  Y02P20/582 ,  Y02P70/263 ,  Y02W30/701

摘要： A method for producing a microporous thermoplastic resin membrane from a thermoplastic resin and a membrane-forming solvent, using as part of a starting material film waste based on the thermoplastic resin and the membrane-forming solvent, which is generated in the production process of the microporous thermoplastic resin membrane, comprising the steps of melt-blending a virgin thermoplastic resin and a membrane-forming solvent in an extruder to prepare a virgin material solution, adding the film waste generated in the same or different production processes to the virgin material solution in a molten state in the extruder at an intermediate point, melt-blending them to prepare a thermoplastic resin solution, extruding the thermoplastic resin solution through a die, cooling the extrudate to form a gel-like sheet, and removing the membrane-forming solvent from the gel-like sheet.

摘要翻译： 一种由热塑性树脂和成膜溶剂制造微孔热塑性树脂膜的方法，该方法使用在基于热塑性树脂和成膜溶剂的原料薄膜废料的一部分， 微孔热塑性树脂膜，包括以下步骤：在挤出机中将原始热塑性树脂和成膜溶剂熔融共混以制备原始材料溶液，将在相同或不同制备方法中产生的膜废物加入到原始材料溶液中 在中间点的挤出机中的熔融状态，将它们熔融共混以制备热塑性树脂溶液，通过模头挤出热塑性树脂溶液，冷却挤出物以形成凝胶状片，并将成膜溶剂从 凝胶状片。

公开(公告)号：US20090098449A1

公开(公告)日：2009-04-16

申请号：US12314602

申请日：2008-12-12

申请人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

发明人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

IPC分类号： H01M2/16

CPC分类号： H01M2/1653 ,  B01D67/0027 ,  B01D67/003 ,  B01D69/02 ,  B01D71/26 ,  B01D2323/12 ,  B01D2325/023 ,  B01D2325/34 ,  B29C47/0021 ,  B29C47/822 ,  B29C47/862 ,  B29C47/8845 ,  Y10T428/24942

摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.

公开(公告)号：US20050098913A1

公开(公告)日：2005-05-12

申请号：US10649732

申请日：2003-08-28

申请人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

发明人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

IPC分类号： B01D67/00 ,  B01D71/26 ,  H01M2/16 ,  B29C67/20 ,  B29C47/88

CPC分类号： H01M2/1653 ,  B01D67/0027 ,  B01D67/003 ,  B01D69/02 ,  B01D71/26 ,  B01D2323/12 ,  B01D2325/023 ,  B01D2325/34 ,  B29C47/0021 ,  B29C47/822 ,  B29C47/862 ,  B29C47/8845 ,  Y10T428/24942

摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.

摘要翻译： 本发明提供一种高渗透性和新颖结构的微孔聚烯烃膜，并提供其制造方法，其平均孔径从至少一个膜表面向其中心逐渐减小。 制造微孔聚烯烃膜的方法包括以下步骤：挤出由10〜50重量％的（A）重均分子量为5×10 5以上的（A）聚烯烃或（B）含有该聚烯烃的组合物构成的溶液， 50〜90重量％的溶剂，加入到凝胶状的成型制品中并从中除去溶剂，其中加入热溶剂的处理步骤。

公开(公告)号：US06666969B1

公开(公告)日：2003-12-23

申请号：US09806308

申请日：2001-08-20

申请人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

发明人： Hidehiko Funaoka ,  Kotaro Takita ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

IPC分类号： B01D7126

CPC分类号： H01M2/1653 ,  B01D67/0027 ,  B01D67/003 ,  B01D69/02 ,  B01D71/26 ,  B01D2323/12 ,  B01D2325/023 ,  B01D2325/34 ,  B29C47/0021 ,  B29C47/822 ,  B29C47/862 ,  B29C47/8845 ,  Y10T428/24942

摘要： The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. The method of producing the microporous polyolefin membrane comprises the steps of extruding the solution, composed of 10 to 50 weight % of (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing this polyolefin and 50 to 90 weight % of a solvent, into a gel-like formed article and removing the solvent therefrom, wherein a treatment step with a hot solvent is incorporated.

摘要翻译： 本发明提供一种高渗透性和新颖结构的微孔聚烯烃膜，并提供其制造方法，其平均孔径从至少一个膜表面向其中心逐渐减小。 制造微孔聚烯烃膜的方法包括以下步骤：挤出由10〜50重量％的（A）重均分子量为5×10 5以上的（A）聚烯烃或（B）含有该聚烯烃的组合物构成的溶液， 50〜90重量％的溶剂，加入到凝胶状的成型制品中并从中除去溶剂，其中加入热溶剂的处理步骤。

公开(公告)号：US06245272B1

公开(公告)日：2001-06-12

申请号：US09673456

申请日：2000-12-01

申请人： Kotaro Takita ,  Hidehiko Funaoka ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

发明人： Kotaro Takita ,  Hidehiko Funaoka ,  Norimitsu Kaimai ,  Shigeaki Kobayashi ,  Koichi Kono

IPC分类号： D06H1300

CPC分类号： H01M2/1653 ,  B01D67/0027 ,  B01D67/0086 ,  B01D69/02 ,  B01D71/26 ,  B01D2323/08 ,  B01D2325/02 ,  B01D2325/20 ,  B01D2325/34

摘要： It is an object of the present invention to provide a microporous polyolefin membrane, high in elongation and porosity, low in shrinkage, and capable of improving battery characteristics, safety and productivity, when used for battery separators. The microporous polyolefin membrane of the present invention comprises (A) an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5×105 or more, or (B) a composition containing an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5×105 or more, and having a porosity of 45 to 95%, elongation at break of 300% or more, bubble point exceeding 980 KPa and thermal shrinkage in the TD direction of 3% or less. The present invention also provides a method for producing the above microporous polyolefin membrane.

摘要翻译： 本发明的目的是提供一种当用于电池隔板时，伸长率和孔隙率高，收缩率低，能够提高电池特性，安全性和生产率的微孔聚烯烃膜。 本发明的微孔聚烯烃膜包含（A）重均分子量为5×10 5以上的超高分子量聚烯烃，或（B）含有超高分子量聚烯烃的组合物，其具有 重均分子量为5×10 5以上，孔隙率为45〜95％，断裂伸长率为300％以上，起泡点超过980KPa，TD方向的热收缩率为3％以下。 本发明还提供了一种制备上述微孔聚烯烃膜的方法。

公开(公告)号：US4620955A

公开(公告)日：1986-11-04

申请号：US832752

申请日：1986-02-25

申请人： Koichi Kono ,  Shoichi Mori ,  Kenji Miyasaka ,  Jyoichi Tabuchi

发明人： Koichi Kono ,  Shoichi Mori ,  Kenji Miyasaka ,  Jyoichi Tabuchi

IPC分类号： C08J9/28 ,  B01D67/00 ,  B01D71/26 ,  B29C55/02 ,  B29K23/00 ,  B29K105/04 ,  C08J5/18 ,  B01D13/04

CPC分类号： C08J5/18 ,  B01D67/0009 ,  B01D67/0027 ,  B01D67/0046 ,  B01D71/26 ,  B01D2323/08 ,  B01D2323/12 ,  B01D2325/02 ,  B01D2325/04 ,  C08J2323/06 ,  Y10S264/71 ,  Y10S521/918 ,  Y10T428/249978

摘要： A polyethylene microporous membrane having a thickness of at most 10 .mu.m, a breaking strength of at least 200 kg/cm.sup.2 and a porosity of at least 30% is produced by heating and dissolving polyethylene having a weight average molecular weight of at least 5.times.10.sup.5 in a solvent, forming a gel sheet from the resulting solution, subjecting the gel sheet to a solvent removal treatment to adjust the amount of the solvent in the gel sheet to 10 to 80% by weight, heating and stretching the sheet and then removing the residual solvent therefrom.

公开(公告)号：US4588633A

公开(公告)日：1986-05-13

申请号：US728806

申请日：1985-04-29

申请人： Koichi Kono ,  Shoichi Mori ,  Kenji Miyasaka ,  Jyoichi Tabuchi

发明人： Koichi Kono ,  Shoichi Mori ,  Kenji Miyasaka ,  Jyoichi Tabuchi

IPC分类号： C08J9/28 ,  B01D67/00 ,  B01D71/26 ,  B29C55/02 ,  B29K23/00 ,  B29K105/04 ,  C08J5/18 ,  B32B27/32

CPC分类号： C08J5/18 ,  B01D67/0009 ,  B01D67/0027 ,  B01D67/0046 ,  B01D71/26 ,  B01D2323/08 ,  B01D2323/12 ,  B01D2325/02 ,  B01D2325/04 ,  C08J2323/06 ,  Y10S264/71 ,  Y10S521/918 ,  Y10T428/249978

摘要： A polyethylene microporous membrane having a thickness of at most 10 .mu.m, a breaking strength of at least 200 kg/cm.sup.2 and a porosity of at least 30% is produced by heating and dissolving polyethylene having a weight average molecular weight of at least 5.times.10.sup.5 in a solvent, forming a gel sheet from the resulting solution, subjecting the gel sheet to a solvent removal treatment to adjust the amount of the solvent in the gel sheet to 10 to 80% by weight, heating and stretching the sheet and then removing the residual solvent therefrom.

摘要翻译： 通过将重均分子量为5×10 5以上的聚乙烯加热溶解在聚乙烯微孔膜中，其厚度为10μm以下，断裂强度为200kg / cm 2以上，孔隙率为30％以上， 溶剂，从得到的溶液中形成凝胶片，对凝胶片进行溶剂除去处理，将凝胶片中的溶剂量调整为10〜80重量％，加热拉伸片材，然后除去残留物 溶剂。

公开(公告)号：US20140159271A1

公开(公告)日：2014-06-12

申请号：US14233243

申请日：2012-04-20

申请人： Tatsuya Itou ,  Koichi Kono

发明人： Tatsuya Itou ,  Koichi Kono

IPC分类号： H01M2/14

CPC分类号： H01M2/145 ,  B29C48/0018 ,  B29C48/08 ,  B29C48/91 ,  B29C48/914 ,  B29K2105/041 ,  C08J5/2218 ,  C08J2323/02 ,  H01G11/52 ,  H01M2/1653 ,  H01M8/0269 ,  H01M10/0525 ,  Y02E60/13 ,  Y02P70/56

摘要： A method of producing a microporous polyethylene film includes blending polyethylene and a membrane-forming solvent, stretching a sheet formed by extrusion through a die by stretching the sheet in the longitudinal direction at a stretching magnification of 1.1 to 2.0 and stretching the sheet simultaneously in the longitudinal direction and the width direction at an area magnification of 4 to 50, and removing the membrane-forming solvent.

摘要翻译： 制造微孔聚乙烯膜的方法包括：将聚乙烯和成膜溶剂混合，通过拉伸拉伸倍数为1.1〜2.0的长度方向拉伸片材，通过模具拉伸成形的片材，同时拉伸片材 长度方向和宽度方向，区域放大率为4〜50，除去成膜溶剂。