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公开(公告)号：JP2002206050A
公开(公告)日：2002-07-26
申请号：JP2001003344
申请日：2001-01-11
Applicant: TORAY INDUSTRIES
Inventor： ODAJIMA AKIO , FUNAYAMA NOBUTAKA , MATSUOKA HIROSHI
Abstract: PROBLEM TO BE SOLVED: To obtain a polyester composition for a film to be laminated on a metal plate having good particle dispersibility and film formability and excellent whiteness, adhesion to the metal plate, formability at a can producing process, wear resistance, printability and heat resistance and the film composed for the composition. SOLUTION: This polyester composition for the film to be laminated on the metal plate contains a titanium dioxide particle containing magnesium element, calcium element and phosphorus element and has
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公开(公告)号：JP2002206049A
公开(公告)日：2002-07-26
申请号：JP2001003343
申请日：2001-01-11
Applicant: TORAY INDUSTRIES
Inventor： SHIMIZU YUZO , MATSUOKA HIROSHI , ODAJIMA AKIO
Abstract: PROBLEM TO BE SOLVED: To obtain a polyester composition for a film to be laminated on a metal plate having good particle dispersibility and film formability and excellent whiteness, adhesion to the metal plate, formability at a can producing process, wear resistance, printability and heat resistance, and the film composed of the composition. SOLUTION: This polyester composition for the film to be laminated on the metal plate contains a titanium dioxide particle containing silicon element and aluminum element and has
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公开(公告)号：JP2002146166A
公开(公告)日：2002-05-22
申请号：JP2000341586
申请日：2000-11-09
Applicant: TORAY INDUSTRIES
Inventor： MATSUOKA HIROSHI , ODAJIMA AKIO , SHIMIZU YUZO
Abstract: PROBLEM TO BE SOLVED: To obtain polyester film for metal plate lamination that has excellent heat resistance, slipperiness, high abrasion resistance on reduction/ironing work and high adhesion to steel plate after retorting and shows good adhesion to metal plate. SOLUTION: The objective polyester film mainly comprises aromatic dicarboxylic acid and glycol and characteristically includes silica particles having the IR ratio of
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公开(公告)号：JPH07244833A
公开(公告)日：1995-09-19
申请号：JP3167194
申请日：1994-03-01
Applicant: TORAY INDUSTRIES
Inventor： ITO KIYOHIKO , ODAJIMA AKIO , KIDA KATSUMI
IPC: C08J5/18 , B29C55/12 , B29K67/00 , B29K105/16 , B32B27/36 , C08K3/36 , C08L67/00 , C08L67/02 , G11B5/73 , G11B5/733 , G11B5/704
Abstract: PURPOSE:To improve a running durability for a repeated usage, improve slitting characteristics in a manufacturing process and realize high picture quality by a method wherein a prescribed contact of spherical silica particles having prescribed characteristics are contained. CONSTITUTION:A film contains 0.005-5.0wt.% of spherical silica particles which have volume average particle diameters of 0.1-2.0mum whose relative standard deviation defined by formula I is 0.3-1.5 and whose particle size distribution curve shows a one-peak distribution when the grade widths H (mum) of the particle diameters are expressed by formula II. The surface orientation index F and DELTAN of the silica particle satisfy formulae III simultaneously. In the formula I, Di denotes an area-circle equivalent diameter (mum) which is obtained from the projection area of each particle and DN denotes a numerical averageof area-circle equivalent diameters [SIGMAi1-nDi)/n] (mum) and (n) denotes the number of measured particles. In the formula II, the right side shows an integer which is obtained by cutting off the decimal part of a value obtained as the square root of (n). In the formulae III, DELTAN=(NMD-NTD)X1000, and F=(NMD+NTD /2-nz.
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公开(公告)号：JPH07114724A
公开(公告)日：1995-05-02
申请号：JP26066593
申请日：1993-10-19
Applicant: TORAY INDUSTRIES
Inventor： ITO KIYOHIKO , ODAJIMA AKIO , KIDA KATSUMI
IPC: C08J5/18 , B29C55/12 , B29K67/00 , B29K105/16 , B32B27/36 , C08K3/36 , C08L67/00 , C08L67/02 , G11B5/73 , G11B5/733 , G11B5/704
Abstract: PURPOSE:To provide a polyester film excellent in running performance, running durability against repeated use, winding characteristics like a pancake and slitting characteristics and useful as a base film for a magnetic recording medium satisfying even the requirement of high image quality. CONSTITUTION:This polyester film contains spherical silica particles having 0.1-2.0mum volume average particle diameter and a relative standard deviation of >0.5 in polyester and simultaneously satisfies inequalities DELTAN(1,413-8,327XF, 20
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公开(公告)号：JPH07114722A
公开(公告)日：1995-05-02
申请号：JP26026493
申请日：1993-10-18
Applicant: TORAY INDUSTRIES
Inventor： ODAJIMA AKIO , ITO KIYOHIKO , KONDOU NORIKAZU
IPC: C08J5/18 , B29C55/12 , B29K67/00 , B29K105/16 , B32B27/36 , C08K3/22 , C08K3/36 , C08L67/00 , C08L67/02 , G11B5/70 , G11B5/73 , G11B5/733 , G11B5/704
Abstract: PURPOSE:To obtain a polyester film excellent in scratch resistance, running durability at the time of repeated use and slitting characteristics and useful as a base film for a magnetic recording medium satisfying even the requirement of high image quality. CONSTITUTION:This polyester film contains 0.005-5.0wt.% spherical silica particles having 0.1-2.0mum volume average particle diameter and a relative standard deviation of >0.5 in polyester and further contains aluminum oxide particles and/or zirconium oxide particles.
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公开(公告)号：JPH07114721A
公开(公告)日：1995-05-02
申请号：JP26026393
申请日：1993-10-18
Applicant: TORAY INDUSTRIES
Inventor： ITO KIYOHIKO , ODAJIMA AKIO , KIDA KATSUMI
IPC: C08J5/18 , B29C55/12 , B29K67/00 , B29K105/16 , B32B27/36 , C08K3/36 , C08L67/00 , C08L67/02 , G11B5/73 , G11B5/733 , G11B5/704
Abstract: PURPOSE:To obtain a polyester film excellent in scratch resistance, running durability at the time of repeated use and slitting characteristics and useful as a base film for a magnetic recording medium satisfying even the requirement of high image quality. CONSTITUTION:This polyester film contains 0.005-5.0wt.% spherical silica particles having 0.1-2.0mum volume average particle diameter and a relative standard deviation of >0.5 in polyester and further contains internally deposited particles.
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公开(公告)号：JPH03146545A
公开(公告)日：1991-06-21
申请号：JP28712189
申请日：1989-11-01
Applicant: TORAY INDUSTRIES
Inventor： ODAJIMA AKIO , YOSHIZUMI NOBUO
Abstract: PURPOSE:To obtain a thermoplastic polyester composition having excellent slipperiness, abrasion resistance and transparency and suitable for the base film of magnetic recording tape by finely and homogeneously dispersing calcium aluminate particles in a thermoplastic polyester. CONSTITUTION:A thermoplastic polyester is compounded with 0.001-10wt.% (preferably 0.01-5wt.%) of calcium aluminate particles having an average particle diameter of 0.01-5mum (preferably 0.1-3mum). The particle is added during the polyester production process, especially before the ester interchange reaction or within a period before the esterification reaction and before the polycondensation reaction preferably in the form of a slurry suspended in glycol.
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公开(公告)号：JPH02298546A
公开(公告)日：1990-12-10
申请号：JP11996889
申请日：1989-05-12
Applicant: TORAY INDUSTRIES
Inventor： ODAJIMA AKIO , KAMAYA SATORU , SUZUKI MASARU
Abstract: PURPOSE:To provide the title composition of each specified thermal properties and the equivalent ratio of phosphorus compound to metallic compound, for producing electrical insulating films of small cyclic trimer content, consisting mainly of ethylene terephthalate unit and a specified amount of inert inorganic granules. CONSTITUTION:When a polyester made up of ethylene terephthalate as the main recurring unit is to be produced, after the completion of esterification or ester interchange reaction a phosphorus compound or metallic compound is added to the system and inert inorganic granules, in the form of e.g. an ethylene glycol slurry, are also added to the system followed by e.g. polycondensation, thus obtaining the objective composition containing 0.5-10wt.% of the inert inorganic granules
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公开(公告)号：JPH02170824A
公开(公告)日：1990-07-02
申请号：JP32689388
申请日：1988-12-24
Applicant: TORAY INDUSTRIES
Inventor： HIRAOKA TOSHIHIKO , ODAJIMA AKIO , TSUNASHIMA KENJI
IPC: C08J5/18 , C08G63/181 , C08G63/199 , C08G63/682 , C08L67/02 , G11B7/24 , G11B7/253
Abstract: PURPOSE:To provide the subject film induced from a specific phenylindanedicarboxylic acid, having a specific photoelastic coefficient and excellent thermal properties, mechanical properties and optical properties and useful as an optical recording medium, etc. CONSTITUTION:The objective film has a photoelastic coefficient of (mm Xkgf) and is produced by reacting (A) a dibasic carboxylic acid and/or its ester-forming derivative containing >=5mol% of a phenylindanedicarboxylic acid of formula (R1-R3 are H, F, Br or
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