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公开(公告)号：JPH1064750A
公开(公告)日：1998-03-06
申请号：JP23975396
申请日：1996-08-21
Applicant: TORAY INDUSTRIES
Inventor： HATAYAMA AKIRA , KINOSHITA SHUICHI , NISHINO SATOSHI
IPC: H01G4/18
Abstract: PROBLEM TO BE SOLVED: To obtain a film capacitor excellent in heat-resistant and water vaporproof characteristic and property for winding element at the time of manufacturing. SOLUTION: A polyester film capacitor is obtained by alternately laminating or winding double-sided metalized films and laminated films. A primer layer is formed on at least one side of at least one out of the film whose both surfaces are metalized or the laminated film. Surface carboxylic acid concentration in the primer layer is at least 0.008, and static friction coefficient and dynamic friction coefficient between the metalized surfaces of the double-sided metalized film and the surface of the laminated film are at most 2.5.
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公开(公告)号：JPH08197690A
公开(公告)日：1996-08-06
申请号：JP2587695
申请日：1995-01-20
Applicant: TORAY INDUSTRIES
Inventor： MIYAJI SHINICHIRO , YOMODA JOICHI , KINOSHITA SHUICHI
Abstract: PURPOSE: To provide an electric insulating material well-balanced in various characteristics such as heat resistance, electric characteristics, chemical resistance, impact resistance or the like and excellent in workability markedly enhanced in moldability. CONSTITUTION: In a laminate consisting of a non-stretched polyphenylene sulfide sheet layer and a polyphenylene sulfide fiber sheet layer, the respective layers are laminated without interposing an adhesive between them.
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公开(公告)号：JPH04315410A
公开(公告)日：1992-11-06
申请号：JP8261691
申请日：1991-04-15
Applicant: TORAY INDUSTRIES
Inventor： NISHIDA SEIJI , MORIGUCHI ISAMU , KINOSHITA SHUICHI
Abstract: PURPOSE:To improve withstand voltage characteristics by specifying the height and the number of the surface projections of a polyester film and the range of fusion heat respectively. CONSTITUTION:In a polyester film, the number of the surface projections having the height not less than 1mum is not less than 6.00/mm, desirably 8.00 to 11.00/mm, the number of surface projections having the height not less than 0.5mum is not exceeding 0.20/mm, desirably 0.05 to 0.10/mm, further fusion heat is not less then 53.0 J/g, desirably not less than 54.0 J/g. Further, inactive corpuscules are sometimes added to the polyester film in order to improve workability, especially a sliding property. In this case, particles not requiring a dispersion agent containing metal ions are desirable. Further, those having a small void number in the film inside generated by adding inactive corpuscules, moreover having small volume are desirably. Thereby, a voltage-proof characteristic is improved.
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公开(公告)号：JPS63281416A
公开(公告)日：1988-11-17
申请号：JP11483187
申请日：1987-05-13
Applicant: TORAY INDUSTRIES
Inventor： TSUNASHIMA KENJI , ASAKURA MASAYOSHI , KINOSHITA SHUICHI
IPC: H01G4/18
Abstract: PURPOSE:To reduce the variation with time of tandelta or electrostatic capacity, particularly the variation with time under a high humidity, by using a biaxial orientation polyester film in which the atomic composition ratio of the oxygen atoms and carbon atoms at least in one surface layer is set in a specific range. CONSTITUTION:By applying a method such as corona treatment, plasma treatment or liquid chemical treatment to the surface layer of a biaxial orientation polyester film obtained using the polyethylene terephthalate which was obtained using manganese acetate as an ester interchange catalyst, O/C only of the surface layer is made preferably 0.50-1.00, and further the wet tension gammac is made preferably 53-68 dyn/cm. This film is set in a vacuum deposition unit, and a metal such as aluminum or zinc is deposited on the surface to be treated. The deposited film is slit into pieces of a small width, two of which are placed one upon another and rolled up to make a capacitor element, and subsequently, pressing, taping, metallized contact, voltage treatment, sealing of both end faces, attaching of lead wires and the like are performed to make a capacitor.
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公开(公告)号：JP2002052670A
公开(公告)日：2002-02-19
申请号：JP2000238019
申请日：2000-08-07
Applicant: TORAY INDUSTRIES
Inventor： USHIJIMA MASATO , UEDA TAKASHI , KINOSHITA SHUICHI
IPC: B41M5/00 , B32B27/20 , B32B27/36 , B41M5/382 , B41M5/40 , B41M5/50 , B41M5/52 , C08J5/18 , C08K5/00 , C08L67/02
Abstract: PROBLEM TO BE SOLVED: To provide a white laminated polyester film excellent in smoothness. SOLUTION: The white laminated polyester film consists of at least a white polyester layer (A) and a polyester layer (B), and the white polyester layer (A) contains titanium dioxide with a mean particle size of 0.01-3 μm and the surface glossiness of the film calculated from the side of the white polyester layer (A) is 60% or more and the number of projections with a height of 200 μm or more on the surface of the white polyester layer (A) is 20 pieces/m2 or less.
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Patent Agency Ranking
公开(公告)号：JPH11291343A
公开(公告)日：1999-10-26
申请号：JP11430598
申请日：1998-04-09
Applicant: TORAY INDUSTRIES
Inventor： TAKAGI YORIYUKI , KINOSHITA SHUICHI
Abstract: PROBLEM TO BE SOLVED: To meet the requisites for a magnetic recording card and the film making properties and processability of a white polyester film as the base of the magnetic recording card. SOLUTION: A film contains 5-10 wt.% of titanium dioxide. In the relationship between the dimensional variation in the width direction and temperature of the film, the shrinkage starting temperature is 180-20 deg.C, and the shrinkage rate at the temperature is 0-5%. The number of projections 150 μmϕ or above in size and 30 μm or above in height on the surface of the film is 1 pc/m or below.
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公开(公告)号：JPH10315321A
公开(公告)日：1998-12-02
申请号：JP14719997
申请日：1997-05-20
Applicant: TORAY INDUSTRIES
Inventor： KINOSHITA SHUICHI , NOGUCHI YUKIO , SATO KUNIO
IPC: C08J5/18 , B29C55/12 , B29K81/00 , B29L7/00 , C08G75/02 , C08G75/0209 , H01B3/30 , H01G4/18 , H01G4/32
Abstract: PROBLEM TO BE SOLVED: To manufacture a metallized film capacitor having defective ratio of breakdown voltage of the capacitor by specifying surface roughness and thickness of a biaxially oriented film substantially made of poly-p- phenylenesulfide. SOLUTION: Surface roughness SRmax of a biaxially oriented film substantially made of poly-p-phenylenesulfide(PPS) is a range of 1000 to 15000 nm. If the PPS film having a surface roughness SRmax or 1000 nm or more is used, repair by voltage treatment can be effectively executed. If the PPS film having a surface roughness SRmax of 15000 nm is used, a gap between film layers when the film is wound or wound by many layers or laminated can be increased to increase unevenness of electrostatic capacity of a capacitor. And, the PPS film having a thickness of 10 μm or less is an object and the PPS film having a thickness of 6 μm is an object.
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公开(公告)号：JPH09300365A
公开(公告)日：1997-11-25
申请号：JP11499996
申请日：1996-05-09
Applicant: TORAY INDUSTRIES
Inventor： MIYAJI SHINICHIRO , NOGUCHI YUKIO , KINOSHITA SHUICHI
Abstract: PROBLEM TO BE SOLVED: To improve the flatness of a film, and form a high functional mold release film with excellent heat dimensional stability. SOLUTION: This film has a mean surface roughness (Ra) of 0.005-0.03μm, a coefficient of heat contraction of 0-4% at 220 deg.C in the longitudinal direction, and a coefficient of heat contraction of -1-1% in the breadth direction. In addition, it is restricted to be 80% in the area of a film sagged portion generated at the application of a tensile force of 0.6kg/mm to the film.
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公开(公告)号：JPH09278912A
公开(公告)日：1997-10-28
申请号：JP8927696
申请日：1996-04-11
Applicant: TORAY INDUSTRIES
Inventor： MIYAJI SHINICHIRO , NOGUCHI YUKIO , KINOSHITA SHUICHI
Abstract: PROBLEM TO BE SOLVED: To obtain a mold-releasing polyphenylene sulfide film for liquid crystal membranes which can improve the surface defects of stripe roughness occurring on the melt molding with excellent heat resistance by arranging a melt-kneading mixer between the filter and the T die. SOLUTION: This film has an average surface roughness of 0.005-0.03μm and the uneven stripes occurring on the film surface having >=0.3μm height from the film base face at a rate of . This polymer is melt-kneaded and filtered through a filter in a melt extruder and extruded out of a die into a sheet, and biaxially oriented to give the objective film. In this process a mixer which can melt-knead the polymer is inserted between the filtration process and the T die.
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公开(公告)号：JPS62225326A
公开(公告)日：1987-10-03
申请号：JP6848286
申请日：1986-03-28
Applicant: TORAY INDUSTRIES
Inventor： KINOSHITA SHUICHI , ISHIZUKA ICHIRO
Abstract: PURPOSE:To prevent the generation of insulation defect of a plastic film by a method wherein a cleaner, constituting of the woven fabric or the knitted fabric of long fibers, is contacted with at least one surface of the plastic film directly to rub the surface and remove dust adhered on the plastic film. CONSTITUTION:The base material 8 of a roll is provided with a fiber assembling body 9 with the compression modulus of elasticity of 4-20% on the surface thereof and, further, the woven fabric or blaided fabric 10 of long fibers is provided thereon. When a cleaner of this constitution is used, the generation of scratches on a film may be prevented upon removing dust and dust removing effect may be increased more by a mechanism wherein the fiber assembling body 9 absorbs and holds the dust, collected by the woven or blaided fabric 6 from the film. When the compression modulus of elasticity becomes lower than 4%, dust holding function becomes insufficient and the preventing effect of the generation of the scratches on the film becomes low also. On the other hand, when the compression modules of elasticity exceeds 20%, the removing effect of dust from the film becomes small.
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