公开(公告)号：JPH05171012A

公开(公告)日：1993-07-09

申请号：JP34381491

申请日：1991-12-26

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  YOSHIDA MINORU ,  SUZUKI MASARU

IPC: C08J5/18 ,  C08K3/22 ,  C08L67/00 ,  C08L67/02 ,  D01F6/92

Abstract: PURPOSE:To prepare a polyester compsn. useful for preparing a film or fiber excellent in abrasion resistance by compounding a thermoplastic polyester with a specific particulate zirconium oxide. CONSTITUTION:A thermoplastic polyester (e.g. polyethylene terephthalate) is compounded with a monoclinic and/or tetragonal particulate zirconium oxide pref. having a mean particle diameter of 0.005-3mum, still pref. 0.005-0.3mum.

公开(公告)号：JPH03118A

公开(公告)日：1991-01-07

申请号：JP13022489

申请日：1989-05-25

Applicant: TORAY INDUSTRIES

Inventor： AOYAMA MASATOSHI ,  IWATANI HIDETSUGU ,  FUJII YOSHINARI

IPC: B01D61/36 ,  B01D71/34 ,  C08J9/28 ,  C08L27/12 ,  D01F6/12

Abstract: PURPOSE:To produce the membrane for concentrating an aq. soln. of a volatile org. liq. with the permeability and permselectivity improved by forming the membrane from a soln. of polyvinylidene fluoride-based polymer in a mixture of a solvent for the polymer and a solvent having higher volatility than the polymer solvent. CONSTITUTION:The membrane is formed from the soln. of a polyvinylidene fluoride-based polymer contg. at least 50wt.% polyvinylidene polymer in a mixture of the polymer solvent (e.g. dimethylformamide) and a solvent (e.g. toluene) having higher volatility than the polymer solvent. The ratio of the polymer solvent to the high-volatility solvent is controlled to 0.05-20wt.% based on the total solvent weight. Consequently, the volatile org. liq. is selectively separated from the aq. soln. and concentrated, and a membrane for concentrating an aq. soln. of a volatile org. liq. capable of being used in the liq.-liq. membrane separation method and with the permeability and permselectivity improved is produced.

公开(公告)号：JP2002356610A

公开(公告)日：2002-12-13

申请号：JP2001347762

申请日：2001-11-13

Applicant: TORAY INDUSTRIES

Inventor： NARUSE YOSHIHIRO ,  SASAKI TOSHIHIRO ,  AOYAMA MASATOSHI

IPC: C08L67/00 ,  C08K9/02 ,  D01F6/92

Abstract: PROBLEM TO BE SOLVED: To obtain a polyester composition which has high moisture absorption and can be used in underwear and sportswear as the woven and knitted fabrics and as the comfortable material for a lining, and a fiber made thereof. SOLUTION: The polyester composition comprises silica particles, and the polyester fiber having excellent moisture absorption is made of the composition.

公开(公告)号：JP2002339188A

公开(公告)日：2002-11-27

申请号：JP2001150589

申请日：2001-05-21

Applicant: TORAY INDUSTRIES

Inventor： OCHI TAKASHI ,  AOYAMA MASATOSHI

IPC: A41B17/00 ,  A41D31/00 ,  D01F6/92 ,  D03D15/00 ,  D06M11/00 ,  D06M11/79

Abstract: PROBLEM TO BE SOLVED: To provide a cloth having truly excellent comfortableness by imparting a synthetic fiber cloth for wear with a high moisture-absorption rate. SOLUTION: The synthetic fiber cloth for wear having excellent moisture absorption has a ΔMR of >=1% and contains a mesoporous material satisfying the requirement that the sum of the volume of pores having pore diameter falling within ±40% of the median pore diameter accounts for >=60% of the total pore volume.

公开(公告)号：JP2002339151A

公开(公告)日：2002-11-27

申请号：JP2001150588

申请日：2001-05-21

Applicant: TORAY INDUSTRIES

Inventor： OCHI TAKASHI ,  AOYAMA MASATOSHI

IPC: C01B37/02 ,  D01F1/10 ,  D01F6/90 ,  D01F6/92

Abstract: PROBLEM TO BE SOLVED: To provide a fabric having truly excellent comfortableness by imparting a high hygroscopic speed to a synthetic fiber. SOLUTION: This synthetic fiber having excellent hygroscopicity is characterized by containing a mesoporous substance simultaneously satisfying the following characteristics; an average pore diameter = 1 to 30 nm, and a hygroscopicity-developing rate for 15 min is >=50.

公开(公告)号：JP2002293903A

公开(公告)日：2002-10-09

申请号：JP2001092794

申请日：2001-03-28

Applicant: TORAY INDUSTRIES

Inventor： HONDA KEISUKE ,  ICHIKAWA TOMOKO ,  AOYAMA MASATOSHI

IPC: C08G63/78

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyester having a high degree of polymerization, improving economical properties as compared with the conventional method for producing the same. SOLUTION: This method for producing the cyclic polyester oligomer is characterized by using a linear polyester oligomer having 1.0-1.6 initial molar ratio of a diol component/a dicarboxylic acid component in performing an esterification reaction of the dicarboxylic acid with the diol. And further, the method for performing a ring opening polymerization of the obtained cyclic polyester oligomer is also provided.

公开(公告)号：JP2002146002A

公开(公告)日：2002-05-22

申请号：JP2000341585

申请日：2000-11-09

Applicant: TORAY INDUSTRIES

Inventor： UCHIDA MINORU ,  OSAKI MISA ,  AOYAMA MASATOSHI

IPC: C08G63/85

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyester, capable of giving the polyester having a better color tone, less dipropylene glycol content, and less carboxyl end-group content, when compared with conventional polypropylene terephthalate. SOLUTION: This method for producing a polyester comprises subjecting an aromatic dicarboxylic acid consisting mainly of terephthalic acid or its ester-forming derivative to esterification reaction or ester interchange reaction with a diol consisting mainly of propylene glycol, then subjecting the reaction product to polycondensation to produce the polyester of which the repeating unit consists mainly of propylene terephthalate, wherein a titanium compound is used as a catalyst for the esterification reaction, the ester interchange reaction and/or the polycondensation reaction, and further at least one kind of alkaline compound selected from the group consisting of nitrogen-containing compounds, sodium hydroxide, and potassium hydroxide is added to the reaction mixture.

公开(公告)号：JP2001336026A

公开(公告)日：2001-12-07

申请号：JP2000157822

申请日：2000-05-29

Applicant: TORAY INDUSTRIES

Inventor： UCHIDA MINORU ,  AOYAMA MASATOSHI ,  TSUTSUMI KENICHI

IPC: B60C9/00 ,  D01F6/62

Abstract: PROBLEM TO BE SOLVED: To produce a polyester fiber for reinforcing a rubber, capable of being produced without pressure increase caused by foreign matters originating in L catalyst used at the time of polymerization, with good fiber-formability when producing the polyester fiber, having a higher strength compared to the conventional one, and excellent in dimensional stability. SOLUTION: This polyester fiber for reinforcing the rubber is a polyester fiber containing the residue of a complex oxide in which its metal elements consist essentially of titanium and silicon, and is characterized in that the fiber is composed of the polyester containing 0.5-300 ppm titanium expressed in terms of titanium atom, and the dimensional stability [middle elongation (elongation at 4 cN/dtex) + heat shrinkage in dry air] is 8-12%.

公开(公告)号：JP2001288262A

公开(公告)日：2001-10-16

申请号：JP2000106087

申请日：2000-04-07

Applicant: TORAY INDUSTRIES

Inventor： TSUTSUMI KENICHI ,  AOYAMA MASATOSHI ,  AONO SHOJI

IPC: C08G63/85 ,  C08G63/86

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyester excellent in moldability and nonproblematic in a rise in a filter pressure, deposition on a mold, yarn break, etc., in the production of moldings such as fibers, films, or bottles. SOLUTION: Provided is a method for producing a polyester by polycondensing a product obtained by the esterification or transesterification of an aromatic dicarboxylic acid or an esterifiable derivative thereof with a diol or an esterifiable derivative thereof, which method comprises adding as a catalyst a mixture prepared by previously mixing the diol or the derivative thereof with a compound oxide in which the main metallic elements are titanium and silicon and heating the resulting mixture to 160-220 deg.C.

公开(公告)号：JP2001278969A

公开(公告)日：2001-10-10

申请号：JP2000093370

申请日：2000-03-30

Applicant: TORAY INDUSTRIES

Inventor： HONDA KEISUKE ,  AOYAMA MASATOSHI ,  UCHIDA MINORU

IPC: C08G63/78 ,  C08G63/85

Abstract: PROBLEM TO BE SOLVED: To provide a method of producing polyesters more highly improved in productivity. SOLUTION: The polyesters are produced by polycondensation of esterification products of a dicarboxylic acid and a diol. The production method of the polyesters is characterized by obtaining the high polymer in a shorter period in which the molar feed ratio R1 of the diol to the dicarboxylic acid (diol/dicarboxylic acid) to be fed to this reaction is made to be 1.10 or below and a catalyst for esterification is also added to the reaction system at an arbitrary time until the initiation of polycondensation when above esterification is carried out under higher pressure than ordinary.