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公开(公告)号：US20170229696A1
公开(公告)日：2017-08-10
申请号：US15497562
申请日：2017-04-26
CPC分类号： H01M2/145 , C08J7/047 , C08J2323/02 , C08J2403/02 , H01M2/1653 , H01M2/166 , H01M2/1686
摘要： The present invention provides a method for producing a laminated porous film comprising a porous film substrate and a heat-resistant layer. The method comprises forming a heat-resistant layer mainly comprising a filler on the surface of the porous film substrate by applying a coating slurry comprising a solvent, a binder resin and the filler to the surface of the porous film substrate and then removing the solvent, wherein the coating slurry is prepared so as to have a contact angle of 75° or more with an untreated porous film substrate, and the method comprises conducting surface treatment of a porous film substrate so that the contact angle of the coating slurry with the porous film substrate can be 65° or less before applying the coating slurry to the surface of the porous film substrate.
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公开(公告)号：US20180250862A1
公开(公告)日：2018-09-06
申请号：US15909970
申请日：2018-03-01
CPC分类号： B29C48/0018 , B29C48/08 , B29C48/355 , B29C48/906 , B29C48/914 , B29C48/917 , B29C55/026 , B29C55/143 , B29L2031/3468 , H01M2/145
摘要： To provide a conveyer device that can prevent a sheet-shaped base material comprising a fluid plasticizer from slipping in the lengthwise direction of a roller and thereby prevent a flaw such as a wrinkle in the sheet-shaped base material comprising a fluid plasticizer, the sheet-shaped base material extending in a longitudinal direction and having a width defined in a direction orthogonal to the longitudinal direction, a conveyer device (1) includes a plurality of rollers (R1 and 102), at least one roller (R1) of the plurality of rollers (R1 and 102) having a length not smaller than the width of the sheet-shaped base material (S1), the plurality of rollers (R1 and 102) having a slipping preventing mechanism configured to prevent the sheet-shaped base material (S1) from slipping on the at least one roller (R1).
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公开(公告)号：US20180005769A1
公开(公告)日：2018-01-04
申请号：US15636955
申请日：2017-06-29
发明人： Hirohiko HASEGAWA
CPC分类号： H01G11/24 , H01G9/02 , H01G11/28 , H01G11/52 , H01M2/14 , H01M2/145 , H01M2/1606 , H01M2/1653 , H01M2/166 , H01M2/1686 , H01M6/10 , Y02E60/13
摘要： A separator winding core is configured such that at least one of side surfaces has a large frictional force between the side surface and one side surface of another separator winding core of the same type. Such a separator winding core is less likely to fall down when it is stacked on another separator winding core of the same type. Provided is a separator winding core having side surfaces around which no separator is to be wound and at least one of which has an arithmetic mean roughness of not less than 0.16 μm. The separator winding core is stackable with one or more other separator winding cores of the same type in such a position that one of the side surfaces of the separator winding core faces upward while the other one of the side surfaces of the separator winding core faces downward.
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公开(公告)号：US20170279102A1
公开(公告)日：2017-09-28
申请号：US15613405
申请日：2017-06-05
发明人： Hirohiko HASEGAWA , Yuzuru SAITOU
CPC分类号： H01M2/1686 , C08J7/047 , C08J7/123 , C08J2323/06 , C08J2400/14 , C08J2401/28 , H01M2/1653 , H01M2/166
摘要： The present invention provides a laminated porous film and a non-aqueous electrolyte secondary battery. The laminated porous film is a laminated porous film in which a heat-resistant layer comprising a binder resin and a filler is laminated on one or both of the surfaces of a porous film substrate mainly comprising a polyolefin, wherein a part occupied by at least one out of the binder resin and the filler is formed in the porous film substrate so as to touch the heat-resistant layer, and the total thickness of the occupied part is not less than 1% and not more than 20% of the overall thickness of the porous film substrate. The non-aqueous electrolyte secondary battery comprises the laminated porous film according as a separator.
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5.发明申请LAMINATED POROUS FILM, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY SEPARATOR, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开层压多孔膜，非水电解质二次电池分离器和非水电解质二次电池公开(公告)号：US20160268570A1
公开(公告)日：2016-09-15
申请号：US15031365
申请日：2014-10-27
发明人： Jian WANG , Hirohiko HASEGAWA
IPC分类号： H01M2/16 , H01M10/0525 , H01M2/14
CPC分类号： H01M2/1686 , C08J7/047 , C08J2323/02 , H01M2/145 , H01M2/1653 , H01M10/0525 , H01M2220/30
摘要： As a laminated porous film realizing excellent handling properties in a low-humidity environment, a laminated porous film in which a layer containing a polymer is laminated on at least one side of a polyolefin porous film, satisfying the following (1) and (2) is provided. (1) When the laminated porous film has left still for 1 hour in an environment at a temperature of 23° C. and a humidity of 50%, a lifting amount of the side parallel with the direction perpendicular to the machine direction is 8 mm or more. (2) When the laminated porous film has left still for 1 hour in an environment at a temperature of 23° C. and a humidity of 5%, a lifting amount of the side parallel with the machine direction is 15 mm or less.
摘要翻译： 作为在低湿度环境下实现优异处理性能的层压多孔膜，在聚烯烃多孔膜的至少一面层叠含有聚合物的层的层压多孔膜，满足以下（1）和（2） 被提供。 （1）叠层多孔膜在温度23℃，湿度50％的环境中静置1小时时，与机器方向垂直的方向平行的一侧的提升量为8mm 或者更多。 （2）当层压多孔膜在温度23℃，湿度5％的环境中静置1小时时，与机器方向平行的一侧的提升量为15mm以下。
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公开(公告)号：US20190020007A1
公开(公告)日：2019-01-17
申请号：US16127400
申请日：2018-09-11
摘要： Provided is a laminated porous film suitable as a non-aqueous electrolyte secondary battery separator, which includes a heat resistant layer excellent in morphological stability at a high temperature and ion permeability and more resistant to fall-off of a filler. A laminated porous film in which a heat resistant layer including a binder resin and a filler and a base porous film including a polyolefin as a principal component are laminated, wherein the filler included in the heat resistant layer substantially consists of an inorganic filler (a) having a primary particle diameter of 0.2 to 1 μm and an inorganic filler (b) having a primary particle diameter of 0.01 to 0.1 μm, and the particle diameter of secondary aggregates of the inorganic filler (b) is not more than 2 times the primary particle diameter of the inorganic filler (a) in the heat resistant layer.
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公开(公告)号：US20180250866A1
公开(公告)日：2018-09-06
申请号：US15907994
申请日：2018-02-28
CPC分类号： B29C48/387 , B29B7/481 , B29B7/482 , B29B7/487 , B29B7/625 , B29B7/82 , B29B7/90 , B29B7/94 , B29C48/385 , B29C48/92 , B29C2948/9239 , C08L23/06 , C08L91/00
摘要： A kneading apparatus (21) that makes it possible to easily obtain a kneaded material having a favorable property includes: a screw (23) for extruding polyethylene which has been fed through a feed opening (27); a first heater (24) for heating the polyethylene which is extruded by the screw (23); and a second heater (25) for preheating liquid paraffin which is to be added, through a side-feed opening (28), to the polyethylene which is extruded by the screw (23).
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公开(公告)号：US20180083249A1
公开(公告)日：2018-03-22
申请号：US15827302
申请日：2017-11-30
发明人： Hirohiko HASEGAWA , Yuzuru SAITOU
CPC分类号： H01M2/1686 , C08J7/047 , C08J7/123 , C08J2323/06 , C08J2400/14 , C08J2401/28 , H01M2/1653 , H01M2/166
摘要： The present invention provides a laminated porous film and a non-aqueous electrolyte secondary battery. The laminated porous film is a laminated porous film in which a heat-resistant layer comprising a binder resin and a filler is laminated on one or both of the surfaces of a porous film substrate mainly comprising a polyolefin, wherein a part occupied by at least one out of the binder resin and the filler is formed in the porous film substrate so as to touch the heat-resistant layer, and the total thickness of the occupied part is not less than 1% and not more than 20% of the overall thickness of the porous film substrate. The non-aqueous electrolyte secondary battery comprises the laminated porous film according as a separator.
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9.发明申请公开(公告)号：US20180040866A1
公开(公告)日：2018-02-08
申请号：US14787417
申请日：2015-04-20
发明人： Jian WANG , Hirohiko HASEGAWA
IPC分类号： H01M2/16
CPC分类号： H01M2/16 , H01M2/1686
摘要： As a laminated porous film realizing excellent handling properties in a low-humidity environment, a laminated porous film in which a layer containing a polymer is laminated on at least one side of a polyolefin porous film, satisfying (1) and (2) described herein is provided.
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公开(公告)号：US20170155123A1
公开(公告)日：2017-06-01
申请号：US15363572
申请日：2016-11-29
发明人： Hirohiko HASEGAWA
IPC分类号： H01M2/16 , H01M10/0525
CPC分类号： H01M2/1686 , B32B7/04 , B32B23/08 , B32B23/22 , B32B25/08 , B32B25/16 , B32B27/08 , B32B27/18 , B32B27/20 , B32B27/281 , B32B27/286 , B32B27/288 , B32B27/302 , B32B27/304 , B32B27/308 , B32B27/32 , B32B27/34 , B32B27/36 , B32B27/365 , B32B2250/02 , B32B2250/03 , B32B2250/24 , B32B2264/10 , B32B2264/101 , B32B2264/102 , B32B2264/104 , B32B2264/12 , B32B2270/00 , B32B2307/306 , B32B2307/308 , B32B2307/51 , B32B2307/718 , B32B2307/724 , B32B2307/732 , B32B2457/10 , H01M2/145 , H01M2/1653 , H01M10/0525 , H01M2220/30
摘要： Provided is a nonaqueous electrolyte secondary battery laminated separator that is excellent in on-heating shape retainability and ion permeability and that allows a reduction in occurrence of a current leakage despite being thin.
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