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公开(公告)号：JPH0196225A
公开(公告)日：1989-04-14
申请号：JP25546887
申请日：1987-10-08
Applicant: TORAY INDUSTRIES
Inventor： ABE KOICHI , NISHINO SATOSHI , MINAMIZAWA HIDEHITO
Abstract: PURPOSE:To obtain the titled film with little damage of the processing rolls to be applied on and also little stained, outstanding in slipperiness, by incorporating a polyester with internally separated particles and/or inert particles so that the average surface roughness and the polyester content in the shared product in the processing fall within specified ranges, respectively. CONSTITUTION:(A) A polyester constituted mainly of ethylene terephthalate unit is incorporated with pref. 1-5wt.% of (B) internally separated particles such as of calcium compound and/or (C) inert particles dispersed in ethylene glycol so that the difference between the cold crystallization temperature and the glass transition point for the resulting master pellets fall in the range, pref. from 65-110 deg.C, followed by forming through a melt extruder into the objective biaxially oriented film with the refractive index ratio falling, pref. between 0.935-0.975 in the direction of thickness. This film has the following additional characteristics: 1, polyester content in the shaved product sticked to the processing rubber roll 0.5-0.95wt.%, 2, average surface roughness 3-30nm.
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公开(公告)号：JPS63221137A
公开(公告)日：1988-09-14
申请号：JP5458587
申请日：1987-03-10
Applicant: TORAY INDUSTRIES
Inventor： ABE KOICHI , NISHINO SATOSHI , NAKAJIMA SHOJI
Abstract: PURPOSE:To obtain the title film excellent in lubricity, chipping resistance, adaptable for high-speed processing and suitable as a base film for videotapes, by forming a composition comprising a polyester and inert inorganic particles into a film and biaxially orienting this film. CONSTITUTION:0.3-3.0wt.% slurried inert inorganic particles (e.g., TiO2) of an average particle diameter of 0.05-0.6mu are dispersed in a diol component (e.g., ethylene glycol) of a polyester and an acid component [e.g., terephthalic acid (dimethyl ester)] is added to this diol component. The mixture is transesterified and polycondensed to obtain a composition comprising a polyester and the inert inorganic particles. An unoriented film formed by extruding this composition at 270-330 deg.C with a melt extruder is biaxially oriented at a draft ratio of 3.0-5.0 and a speed of orientation of 1X10 -7X10 %/min and heat- treated at 180-250 deg.C for 0.5-60sec without elongation to obtain the title film satisfying the relationships of formulas I-III [wherein D is the average particle diameter (mu) of the inert inorganic particles; Ra is the average surface roughness (mu) along the direction of the film width; and H is the average height (mu) of surface protrusions] and having a surface orientation index of 0.935-0.970, a density index of 0.02-0.05, etc.
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公开(公告)号：JPS6397558A
公开(公告)日：1988-04-28
申请号：JP23808286
申请日：1986-10-08
Applicant: TORAY INDUSTRIES
Inventor： ABE KOICHI , NISHINO SATOSHI , MINAMIZAWA HIDEHITO
Abstract: PURPOSE:To prevent the formation of wrinkles through the lapse of time of a film roll by forming the main constituent of the film from the composition consisting of polyester and at least one kind of inactive inorganic particles. CONSTITUTION:The polyester which constitutes the main constituent of a film consists of ethylene terephthalate, alpha-ethylene, etc., and the inorganic substances which are inactive for polyester such as spherical silica particles are added into said polyester, and the film is prepared. After said film is extended to a thickness of about 5-16mum, a film roll is obtained by winding said film onto a core having an outside diameter of 10-250mm so that the winding diameter is set within a range of 20-300mm. The inactive inorganic particles added into the polyester is formed desirably by the combination of the particle having the average particle size of 0.05-0.5mum in 0.1-1wt% and the particle having the average particle size of 0.6-1.5mum in 0.001-0.05wt%.
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公开(公告)号：JPS6394429A
公开(公告)日：1988-04-25
申请号：JP23808186
申请日：1986-10-08
Applicant: TORAY INDUSTRIES
Inventor： ABE KOICHI , ITO KIYOHIKO , NISHINO SATOSHI
Abstract: PURPOSE:To obtain a base film having a good electromagnetic conversion characteristic and running performance by specifying the weight of the content (wt%) of the inert inorg. particle in a biaxialy oriented film essentially consisting of a compsn. composed of polyester and at least one kind of the inert inorg. particle, the average grain size D(mum) thereof, and the concn. C of the particles in the front layer of the film to prescribed relations. CONSTITUTION:The polyester consists of the structural unit selected from ethylene terephthalate, ethylene alpha,beta-bis(2-chlorophenoxy)ethane-4,4'-dicarboxylate, ethylene2,6-napthalate units. Spherical silica is used for the inert ingor. particles. The content phi, average grain size D and concn. C in the front layer are maintained at the relations expressed by equations I, II. More particularly, 0.02
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公开(公告)号：JP2003243241A
公开(公告)日：2003-08-29
申请号：JP2002038376
申请日：2002-02-15
Applicant: TORAY INDUSTRIES
Inventor： ASANO TETSUYA , NISHINO SATOSHI
Abstract: PROBLEM TO BE SOLVED: To provide a polyester film for capacitor that can be improved more in withstand voltage when the film is used for a capacitor. SOLUTION: This polyester film for capacitor simultaneously satisfies the following inequalities (1a), (1b) and (1c) in the in-plane angular distribution of the intensities of transmitted microwaves: 1.000≤Mx/My≤1.100 (1a), 0.500≤M≤1.000 (1b), and 0≤θ(Mx/My)≤95 (1c), where M, Mx, and My respectively denote the intensities of the transmitted microwaves, the maximum intensity of the transmitted microwaves, and the minimum intensity of the transmitted microwaves. COPYRIGHT: (C)2003,JPO
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Patent Agency Ranking
公开(公告)号：JP2002362631A
公开(公告)日：2002-12-18
申请号：JP2002098321
申请日：2002-04-01
Applicant: TORAY INDUSTRIES
Inventor： HASEGAWA MASAHIRO , KASAI KENICHI , NISHINO SATOSHI
Abstract: PROBLEM TO BE SOLVED: To provide a method of packaging a roll of thin film on which dampproofness is required, a roll of polyester film for vacuum deposition in particular, and the film roll packaged by the method. SOLUTION: The film roll is packaged with at least two or more tubes. In addition, after a moisture absorbent is put in at least one space between the tubes, ends of the tubes are bound for sealing and packaging.
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公开(公告)号：JP2001212919A
公开(公告)日：2001-08-07
申请号：JP2000028519
申请日：2000-02-07
Applicant: TORAY INDUSTRIES
Inventor： NISHINO SATOSHI , TOYODA KATSUYA , TSUCHIYA TAKESHI
Abstract: PROBLEM TO BE SOLVED: To provide a biaxially oriented polyester film showing a good winding form as a product even if the surface thereof is smooth. SOLUTION: In the biaxially oriented polyester film having a coating layer at least on its single surface, the coating layer has an island structure having island-like protruded parts and the island-like protruded parts with a length/ breadth ratio of 3.0 or less occupy 50% or more of all of the protruded parts.
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公开(公告)号：JP2000114095A
公开(公告)日：2000-04-21
申请号：JP28809398
申请日：1998-10-09
Applicant: TORAY INDUSTRIES
Inventor： NISHINO SATOSHI , KUBOYAMA HIROSHI , HATAYAMA AKIRA
Abstract: PROBLEM TO BE SOLVED: To provide a metalized laminating polyester film for a capacitor which is, with high voltage-resistance, appropriate for smaller capacitor by means of thinner film. SOLUTION: This is a biaxial orientation film comprising at least three layers, or, a vapor-deposition metal layer A, an intermediate layer B whose main component is polyethylene terephthalate, and a base layer C. Here, the thickness of each layer simultaneously satisfies 0.003 tB
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公开(公告)号：JPH10163065A
公开(公告)日：1998-06-19
申请号：JP31606996
申请日：1996-11-27
Applicant: TORAY INDUSTRIES
Inventor： HATAYAMA AKIRA , NISHINO SATOSHI , KINOSHITA SHUICHI
Abstract: PROBLEM TO BE SOLVED: To improve a high temp. life and current resistance by specifying the thermal shrinkage stress in the length direction at specified temp. and max. value of the thermal shrinkage stress in the length direction at a specified temp. SOLUTION: The polyester film has a thermal shrinkage stress σ(130) of 0.2-4.5MPa in the length disposed at 130 deg.C and max. value σ max of the terminal shrinkage stress σ (130) of 0.3-3.5MPa in the length disposed at 170-250 deg.C where the difference Δσ=σmax-a(130) between the stress σ(130) and its max. value σmax ranges-1
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公开(公告)号：JPH09327897A
公开(公告)日：1997-12-22
申请号：JP16821296
申请日：1996-06-07
Applicant: TORAY INDUSTRIES
Inventor： NISHINO SATOSHI , KINOSHITA SHUICHI
Abstract: PROBLEM TO BE SOLVED: To provide a polyester film for a capacitor optimum for the utility of a wire wound capacitor by remarkably improving long term moisture and heat resistance in the case of the capacitor. SOLUTION: The polyester film for a capacitor comprises a film made of a water soluble or dispersible polyester urethane resin and/or a polyester resin having a thickness of a range of 0.01 to 1μm formed at least on one side surface. In this case, the amine content of the film is 200ppm or less.
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