公开(公告)号：JP2002187942A

公开(公告)日：2002-07-05

申请号：JP2000388484

申请日：2000-12-21

Applicant: TORAY INDUSTRIES

Inventor： UCHIDA MINORU ,  OSAKI MISA ,  AOYAMA MASATOSHI

IPC: C08G63/85

Abstract: PROBLEM TO BE SOLVED: To produce a catalyst for polyester which is excellent in reactivity in esterification, transesterification, and polycondensation in comparison with conventionally used polytrimethylene terephthalate, has a good color tone, and has a low dipropylene glycol content, a low terminal carboxyl group content, and a low insoluble foreign matter content. SOLUTION: In producing a polyester by the polycondensation of a product obtained by the esterification or transesterification of an aromatic dicarboxylic acid component mainly comprising terephthalic acid or its ester-forming derivative with a glycol component mainly comprising propylene glycol, a liquid obtained by treating a titanium compound with water containing an alkali compound, an organic solvent, or a mixture of water and an organic solvent is added as a catalyst for esterification, transesterification and/or polycondensation.

公开(公告)号：JP2001213952A

公开(公告)日：2001-08-07

申请号：JP2000026627

申请日：2000-02-03

Applicant: TORAY INDUSTRIES

Inventor： OTSUZUMI HIROSHI ,  AOYAMA MASATOSHI ,  TSUNEKAWA TETSUYA

IPC: C08G63/82

Abstract: PROBLEM TO BE SOLVED: To provide a polyester polycondensation catalyst comprising a nonantimony-metal-atom-containing compound and having catalytic activity and heat resistance as high as those of an antimony-based catalyst; a polyester obtained by using the same; and a production method for a polyester. SOLUTION: This nonantimony-based polyester polymerization catalyst is a metal-atom-containing compound added in the polycondensation of a polyester and has a ratio (D/Q) of 2.0 [Debye/e] or higher, wherein D is the dipole of the compound obtained by the molecular orbit calculation; and Q is the partial electric charge distributed on the metal atom of the compound.

公开(公告)号：JP2001200045A

公开(公告)日：2001-07-24

申请号：JP2000007289

申请日：2000-01-17

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  TSUTSUMI KENICHI ,  HONDA KEISUKE

IPC: C08G63/85 ,  C08G63/78

Abstract: PROBLEM TO BE SOLVED: To produce a catalyst for manufacturing a polyester excellent in processability and heat resistance and resolved in problems such as head stain, filter pressure rise and thread breakage, and to provide a method for manufacturing the polyester. SOLUTION: The catalyst for manufacturing a polyester comprises titanium oxide as a main component and a titanium compound having a molecular weight of 500-100,000 g/mol.

公开(公告)号：JP2001172379A

公开(公告)日：2001-06-26

申请号：JP35854999

申请日：1999-12-17

Applicant: TORAY INDUSTRIES

Inventor： HONDA KEISUKE ,  AOYAMA MASATOSHI ,  YOSHIKAWA MASATO

IPC: C08G63/82

Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method for producing a polyester excellent in moldability at a higher productivity. SOLUTION: In producing a polyester by esterification or tranesterification of a dicarboxylic acid or its ester-forming derivative and a diol followed by polycondensation, a reactor at least a part of which is made of zeolite is used for the etherification step and/or the polycondensation step.

公开(公告)号：JP2001032136A

公开(公告)日：2001-02-06

申请号：JP20249599

申请日：1999-07-16

Applicant: TORAY INDUSTRIES

Inventor： UCHIDA MINORU ,  AOYAMA MASATOSHI ,  HONDA KEISUKE

IPC: C08L67/02 ,  D01F6/84

Abstract: PROBLEM TO BE SOLVED: To provide a polyester fiber containing propylene terephthalate as a main repeating unit, having dipropylene glycol content and intrinsic viscosity satisfying a specific formula, having high dyeability and excellent softness and elastic recovery and suitable for sportswear and inner wear. SOLUTION: The objective fiber contains propylene terephthalate as a main repeating unit and has a dipropylene glycol(DPG) content and intrinsic viscosity(IV) satisfying the formulas: 0.2

公开(公告)号：JP2001026635A

公开(公告)日：2001-01-30

申请号：JP19859199

申请日：1999-07-13

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  UCHIDA MINORU ,  OZAKI MISA

IPC: C08K3/00 ,  C08G63/183 ,  C08G63/78 ,  C08L67/03 ,  D01F6/62

Abstract: PROBLEM TO BE SOLVED: To provide a polyester composition which yields a fiber product, etc., having a high strength and a high elastic recovery (strechability), allows little break at yarn-making or film-formation and shows an excellent molding processibility. SOLUTION: A polyester composition comprises propylene terephthalate as the main repeating unit and contains 0.001 to 20 wt.% particles having an average particle size of 0.05 to 5 μm. The composition contains 10 or less coarse particles of 5 μm or larger per 10 mg. The composition contains, as catalyst residues, from 0.5 to 300 ppm, calculated as titanium atom, titanium compound containing at least a titanium as a metal element and from 0.5 to 400 ppm, calculated as phosphorus atom, phosphorus compound, wherein the molar ratio of the titanium compound to the phosphorus compound (Ti/P) is from 0.3 to 20.

公开(公告)号：JP2000128969A

公开(公告)日：2000-05-09

申请号：JP30398398

申请日：1998-10-26

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  TSUTSUMI KENICHI ,  HONDA KEISUKE

IPC: C08J5/18 ,  B32B15/08 ,  B32B15/09 ,  B32B27/12 ,  B32B27/36 ,  C08G63/78 ,  C08G63/84 ,  C08G63/85 ,  C08K3/00 ,  C08K3/22 ,  C08K5/098 ,  C08K5/52 ,  C08L67/02

Abstract: PROBLEM TO BE SOLVED: To produce the subject polyester composition having excellent moldability and excellent polymer color tone in excellent productivity by carrying out a polycondensation, while adding a specific binuclear oxide as a polycondensation catalyst after the addition of the particles. SOLUTION: This method for producing a polyester composition containing particles comprises polycondensing a product obtained by the esterification reaction or transesterification reaction of an aromatic dicarboxylic acid or its ester-forming derivative with a diol or its ester-forming derivative, while a binuclear oxide comprising titanium and silicon as main metal elements is added as a polycondensation catalyst after the addition of the particles. The binuclear oxide is added in an amount of 1-300 ppm, preferably 2-200 ppm, more preferably 3-100 ppm, based on the obtained polyester composition. The method is suitable for the production of a polyethylene terephthalate or a copolyester consisting mainly of the polyethylene terephthalate, and titanium dioxide particles, or the like, are suitable as the particles.

公开(公告)号：JP2000063504A

公开(公告)日：2000-02-29

申请号：JP23816498

申请日：1998-08-25

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  TSUTSUMI KENICHI ,  HONDA KEISUKE

IPC: C08G63/82 ,  C08G63/85

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyester excellent in color and processability when molded and free from a problem of e.g. fouling in spinnerets, a pressure increase in filtration or breakage in thread when manufacturing a molded product for e.g. fiber, film or bottles. SOLUTION: This method is to polycondense a product obtained by subjecting both an aromatic dicarboxylic acid or its ester-forming derivative and a diol or its ester-forming derivative to esterification reaction or transesterification reaction, wherein there is used a complex compound having a hexadentate ligand as a polycondensation catalyst.

公开(公告)号：JPH11181070A

公开(公告)日：1999-07-06

申请号：JP34762497

申请日：1997-12-17

Applicant: TORAY INDUSTRIES

Inventor： OOZUTSUMI HIROSHI ,  AOYAMA MASATOSHI ,  UEHA KOUJIYUN

IPC: C08G63/82

Abstract: PROBLEM TO BE SOLVED: To obtain the subject nonantimony-based catalyst having the same degree of catalytic actions as those of an antimony compound or higher than that by condensation polymerization during a polyester synthesis, by specifying the orbital energy of a minimum nonoccupation molecular orbit. SOLUTION: This catalyst is an organic ligand-containing metal complex compound. The orbital energy of a minimum nonoccupation molecular orbit localized on a metal atom obtained by molecular orbit calculation is 0.2-2.5 V. The interaction energy (ΔE) of the organic ligand containing metal complex compound and an ester calculated based on the equation [E(A) is the total energy of the organic nonoccupation metal compound obtained by the molecular orbit calculation; E(B) is the total energy of the ester by the molecular orbit calculation; E(AB) the total energy of the organic ligand-containing metal complex compound and the ester obtained by the molecular orbit calculation] is preferably 2.0 to

公开(公告)号：JPH10157038A

公开(公告)日：1998-06-16

申请号：JP31924396

申请日：1996-11-29

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  SUZUKI MASARU ,  SASAKI TOSHIHIRO

IPC: B32B27/36 ,  G11B5/73 ,  G11B5/704

Abstract: PROBLEM TO BE SOLVED: To obtain a biaxially oriented film of excellent smoothness capable of restraining oligomer on a surface of a film by a method wherein the laminated film is prepared with a copolymeric polyester composition film containing sulfonic acid metallic salt derivative and higher fatty acid or its ester, or the like. SOLUTION: A laminated film is provided wherein a film having a thickness of 0.5μm or over composed of a copolymer polyester composition in which a composition (A) and/or (B) is contained by 0.01 to 10wt.% and its principal ingredient is terephthalic acid on its ester formable derivative and ethylene glycol, is arranged by at least one layer. The composition (A) is a sulfonic acid metallic salt derivative expressed by the formula. In the formula, R indicates a 5-30C alkyl group, X indicates an aromatic group, n indicates 0 or 1, and M indicates an alkali metal element. The composition (B) is a 10-33C higher fatty acid or its ester.