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21. 发明专利

JP2003226859A POLYMERIZABLE GELLING AGENT 审中-公开
公开(公告)号：JP2003226859A
公开(公告)日：2003-08-15
申请号：JP2002027035
申请日：2002-02-04
申请人： NITTO DENKO CORP
发明人： SATSUMA MICHIO , YOSHII KEISUKE , UETANI YOSHIHIRO , HANABUSA KENJI
IPC分类号： C07C275/16 , C08F2/44 , C08F20/36 , C09K3/00
摘要： PROBLEM TO BE SOLVED: To obtain a polymerizable gelling agent not only capable of gelling a liquid substance by itself, but also capable of irreversibly forming the liquid substance into the gel excellent in heat resistance by mixing the gelling agent with the liquid substance and polymerizing the liquid substance, because the gelling agent has polymerizability. SOLUTION: This polymerizable gelling agent is represented by formula (I) (R 1 is a 1-7C alkyl group or benzyl group; R 2 is an 8-30C alkyl group or an alkyl aryl group composed of a 6-10C aryl group having a 6-24C alkyl group; X is acryloyl group or methacyrloyl group; A is carbon-carbon bond or a divalent organic group) or formula (II) (R 1 is a 1-7C alkyl group or benzyl group; R 2 is an 8-30C alkyl group or an alkylaryl group composed of a 6-10C aryl group having a 6-24C alkyl group; X is acryloyl group or methacryloyl group; A is carbon-carbon bond or a divalent organic group). COPYRIGHT: (C)2003,JPO

22. 发明专利

JP2002249742A ADHESIVE POROUS MEMBRANE, POLYMERIC GEL ELECTROLYTE OBTAINED THEREFROM AND APPLICATION THEREOF 审中-公开
公开(公告)号：JP2002249742A
公开(公告)日：2002-09-06
申请号：JP2001358853
申请日：2001-11-26
申请人： NITTO DENKO CORP , DAISO CO LTD
发明人： YAMAGUCHI MUTSUKO , UETANI YOSHIHIRO , YOSHII KEISUKE , YAMAMURA TAKASHI , NAKAMURA SEIJI , TABUCHI MASAHITO
IPC分类号： C08J9/36 , C09J7/02 , C09J9/02 , C09J171/00 , C09J183/12 , C09J201/00 , H01B1/06 , H01B13/00 , H01G9/02 , H01G9/035 , H01G11/08 , H01G11/52 , H01G11/54 , H01G11/56 , H01G11/84 , H01M10/05 , H01M10/0565 , H01G9/038 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a porous membrane having a combination of ionic conductivity with mechanical strength and having adhesivity in itself, and to provide a polymeric gel electrolyte obtained from the above porous membrane. SOLUTION: This adhesive porous membrane with ionic conductivity, which has a 180 deg. peel adhesive force of >=2N in itself at 20 mm width, is obtained by bearing a porous base film with an electrolyte salt and a polymer with the main chain of polyacrylate, polymethacrylate, polyethylene oxide, polypropylene oxide, polyethylene propylene oxide, polyphosphazene, polyvinyl ether or polysiloxane structure and the side chain of chain oligoalkylene oxide structure.

23. 发明专利

JP2002179911A ORGANIC POLYMER SOLUTION COMPOSITION 审中-公开
公开(公告)号：JP2002179911A
公开(公告)日：2002-06-26
申请号：JP2001329050
申请日：2001-10-26
申请人： NITTO DENKO CORP
发明人： OTANI AKIRA , UETANI YOSHIHIRO , FUNADA YASUTO , ABE MASAO , YOSHII KEISUKE
IPC分类号： C08L79/02 , C08G73/02
摘要： PROBLEM TO BE SOLVED: To provide a stable organic polymer solution composition in order to obtain a conductive polyaniline. SOLUTION: An organic polymer solution composition is obtained by dissolving an organic polymer consisting of an imino-p-phenylene structure unit represented by general formula (I) and a proton acid salt in an organic solvent. After applying the organic polymer solution composition to a base material and drying, a conductive organic polymer can be obtained by oxidation and doping treatment in a solution wherein a protonic acid and an oxidizing agent are dissolved or dispersed.

24. 发明专利

JP2001176554A METHOD OF MANUFACTURING ELECTROCHEMICAL ELEMENT 失效
公开(公告)号：JP2001176554A
公开(公告)日：2001-06-29
申请号：JP35820199
申请日：1999-12-16
申请人： NITTO DENKO CORP
发明人： UETANI YOSHIHIRO , YAMAMURA TAKASHI , YOSHII KEISUKE
IPC分类号： H01G9/02 , H01G9/035 , H01G11/52 , H01G11/54 , H01G11/56 , H01G11/84 , H01M10/04 , H01M10/05 , H01M10/0565 , H01M10/058 , H01M10/40 , H01G9/038
摘要： PROBLEM TO BE SOLVED: To manufacture an electrochemical element comprising a separator made of a porous film with a solid electrolyte filling in the pores and a pair of electrodes disposed by way of porous film productively and easily. SOLUTION: First, a porous film with pores for the separator for the electrochemical element is prepared. The porous film holds an electrolytic salt, a solvent for the electrolytic salt, and a reversible gelatinizer to form a reversal sol-gel electrolytic composition. Then, a device of the electrochemical element, which has a pair of electrodes disposed opposite to each other by way of the porous film, is formed and the device is soaked in an electrolyte made of the electrolytic salt and the solvent for the electrolytic salt. Then the reversible gelatinizer is dissolved in the electrolyte to be the sol of the reversible sol-gel electrolytic composition. After that, the sol is gelatinized and the pores of the porous film are filled with a solid electrolyte made of the gel of the reversible sol-gel electrolytic composition.

25. 发明专利

JP2001106822A MICROPOROUS FILM AND BATTERY SEPARATOR 失效
公开(公告)号：JP2001106822A
公开(公告)日：2001-04-17
申请号：JP28113699
申请日：1999-10-01
申请人： NITTO DENKO CORP
发明人： UETANI YOSHIHIRO , YAMAMOTO KAZUNARI , ICHIKAWA TOMOAKI , NOMI TOSHISUKE
IPC分类号： C08J9/26 , C08L23/00 , C08L23/08 , C08L33/12 , H01M2/16
摘要： PROBLEM TO BE SOLVED: To prepare a microporous film whose electric resistance varies with a temperature and to provide a secondary battery separator that exhibits, especially, a shutdown function in such a manner that, as the temperature rises, the electric resistance rises in two stages from a relatively low temperature and is therefore safer than a conventional separator. SOLUTION: The microporous film is characterized in that, when its electric resistance is measured while its temperature is raised at a rate of 10 deg.C/min after being impregnated with an electrolyte solution, it requires a temperature rise of at least 10 deg.C upon an increase in its electric resistance from 1.5R to 10R (wherein R is the electric resistance at 100 deg.C), and the electric resistance increases from 10R to 100R upon a further temperature rise within 5 deg.C.

26. 发明专利

JP2001040110A SHEET OR FILM AND METHOD FOR PRODUCTION THEREOF 失效
公开(公告)号：JP2001040110A
公开(公告)日：2001-02-13
申请号：JP21889999
申请日：1999-08-02
申请人： NITTO DENKO CORP
发明人： FUJITA SHIGERU , YAMAMOTO KAZUNARI , NOMI TOSHISUKE , EMORI HIDEYUKI , UETANI YOSHIHIRO , YAMAMURA TAKASHI
IPC分类号： C08J5/18
摘要： PROBLEM TO BE SOLVED: To provide a non-porous sheet or film having excellent heat resistance and a method of producing thereof. SOLUTION: A sheet or a film is obtained by cure treating a potentially curable sheet or film containing (a) a polymer having a C=C double bond and a 5-10C aliphatic ring in a main chain and (b) the other resin. A method of producing the sheet or the film comprises forming a film of a polymer composition containing (a) the polymer having the C=C double bond and the 5-10C aliphatic ring in the main chain and (b) the other resin to mold the potentially curable sheet or film, and cure treating the resulting sheet or film.

27. 发明专利

JP2000277083A SEPARATOR FOR BATTERY 失效
公开(公告)号：JP2000277083A
公开(公告)日：2000-10-06
申请号：JP8041899
申请日：1999-03-24
申请人： NITTO DENKO CORP
发明人： UETANI YOSHIHIRO , OTANI AKIRA
IPC分类号： H01M2/16 , H01M10/05 , H01M10/0568 , H01M10/0569 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a battery separator capable of obtaining a battery having a good discharge characteristic at a high current density. SOLUTION: When the film thickness of this battery separator is set to (t) μm in an electrolytic solution dissolved with LiPF6 as an electrolyte in a solvent made of a mixture of ethylene carbonate and ethyl methyl carbonate at the capacity ratio 1/2 at the temperature of 25 deg.C, the ion transmission flow velocity per film unit area P ((mmol/L)/min/cm2) satisfies a formula P>=1.38×t-0.66. The film thickness (t) is 20-100 μm, the average hole diameter is 0.005-0.1 μm, and the penetration strength for the thickness of 25 μm is 400 gf or below.

28. 发明专利

JP2000228217A THIN-FILM LIKE ELECTROLYTE 失效
公开(公告)号：JP2000228217A
公开(公告)日：2000-08-15
申请号：JP2933399
申请日：1999-02-05
申请人： NITTO DENKO CORP
发明人： UETANI YOSHIHIRO , YOSHII KEISUKE , YAMAMURA TAKASHI
IPC分类号： H01M10/05 , H01M10/0525 , H01M10/0565 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To handle a thin-film like electrolyte as a solid electrolyte and use the same as an electrochemical element of a desired shape by impregnating a porous film with a reversible sol-gel electrolyte composition formed of a reversible gelling agent, an electrolytic salt, and a solvent for the electrolytic salt. SOLUTION: This thin-film like electrolyte is formed by impregnating a porous film with a reversible sol-gel electrolytic composition. The reversible gelling agent uses materials of one group known as an oil gelling agent in addition to polymer, oligomer which is dissolved in a solvent in a higher temperature area above the room temperature (25 deg.C), but solidified at a room temperature to reversibly form a gel, especially polymer and oligomer having polar group such as an ether group, a hydroxyl group in molecule. As a favorable concrete example of an oil gelling agent, used is 12-hydroxy stearic acid or the like.

29. 发明专利

JP2000198873A MICROPOROUS MEMBRANE 失效
公开(公告)号：JP2000198873A
公开(公告)日：2000-07-18
申请号：JP52299
申请日：1999-01-05
申请人： NITTO DENKO CORP
发明人： YAMAMOTO KAZUNARI , UETANI YOSHIHIRO , ICHIKAWA TOMOAKI , NOMI TOSHISUKE
IPC分类号： C08J9/28 , C08L23/00 , H01M2/16
摘要： PROBLEM TO BE SOLVED: To obtain a microporous membrane having properties such as moderate air-permeability and porosity as a separator for secondary batteries or the like and having good membrane strength, a low shutdown temperature and further safety. SOLUTION: This microporous membrane comprises 50-90 wt.% polyolefin containing >=1 wt.% ultrahigh molecular weight polyolefin having >=1×106 weight-average molecular weight as a polyolefin component and 10-50 wt.% substantially crystalline thermoplastic polymer having 80-150 deg.C peak temperature determined by differential scanning calorimetry and

30. 发明专利

JPH10199505A BATTERY 失效
公开(公告)号：JPH10199505A
公开(公告)日：1998-07-31
申请号：JP306297
申请日：1997-01-10
申请人： NITTO DENKO CORP
发明人： OTANI AKIRA , UETANI YOSHIHIRO
IPC分类号： H01M2/34
摘要： PROBLEM TO BE SOLVED: To cut off a battery circuit, suppress the battery from generating heat so as to secure the safety of the battery by providing an electrically conductive high molecular layer between a positive pole layer and positive pole electric collector so as to quickly increase the resistance of the conductive high molecular layer and also to increase a battery internal resistance. SOLUTION: A positive pole layer 2, an electrically conductive high molecular layer 3 and a positive pole electric collector 4 are laminated sequentially on either one of a separator holding electrolyte or a solid electrolyte 1. While, on the other hand, a negative pole layer 5 and a negative electric collector 6 are laminated in orders. Hereat, the conductive high molecular layer 3 is formed in such an optional material in which its electric resistance rises to much extent above a certain electric potential and its thickness stays normally in a range from 0.01 to 40μm. In this case, if the thickness is less than 0.01μm, the insulation between the positive pole layer 2 and the electric collector 4 becomes insufficient and if it is more than 40μm, the resistance of the conductive high molecule, during normal electric discharge, causes an increase in the internal resistance, the thickness is assigned to a value within this range. Polyaniline is preferable as an example of the electrically conductive high molecule.

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