公开(公告)号：EP2799616A4

公开(公告)日：2015-09-30

申请号：EP12863928

申请日：2012-12-18

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA TOMOKO ,  ENDO MAKOTO ,  TAIKO HIROSHI ,  KOBAYASHI MASANOBU ,  ARAI NOBUYUKI ,  MISUMI JUN

IPC: D06M13/11 ,  D06M15/55 ,  D06M101/40

CPC classification number: D06M15/55 ,  C08J5/06 ,  C08J5/24 ,  C08J2363/00 ,  D06M13/11 ,  D06M2101/40 ,  Y10T428/249944 ,  Y10T428/2918

Abstract: Provided are sizing agent-coated carbon fibers that achieve excellent adhesion between the carbon fibers and a matrix resin and yield a prepreg having excellent stability of composite physical properties after long-term storage and having excellent high-order processability, a process for producing the sizing agent-coated carbon fibers, a prepreg, and a carbon fiber reinforced composite material. The present invention provides carbon fibers coated with a sizing agent that includes an aliphatic epoxy compound (A) and at least an aromatic epoxy compound (B1) as an aromatic compound (B). The carbon fibers have an (a)/(b) ratio of 0.50 to 0.90 where (a) is the height (cps) of a component at a binding energy (284.6 eV) assigned to CHx, C-C, and C=C and (b) is the height (cps) of a component at a binding energy (286.1 eV) assigned to C-O in a C 1s core spectrum of the surface of the sizing agent analyzed by X-ray photoelectron spectroscopy using AlK± 1,2 as the X-ray source at a photoelectron takeoff angle of 15°.

公开(公告)号：JP2002308969A

公开(公告)日：2002-10-23

申请号：JP2001113509

申请日：2001-04-12

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA TOMOKO ,  HONDA KEISUKE ,  AOYAMA MASATOSHI

IPC: C08G63/78

Abstract: PROBLEM TO BE SOLVED: To provide a process for producing a polyester with a high degree of polymerization in a shorter time than in the previously known production process, wherein a cyclic polyester oligomer is used for ring-opening polymerization. SOLUTION: This process for producing the polyester with the high degree of polymerization comprises blending the cyclic polyester oligomer with a polyester at a weight ratio of (0.01 to 0.9):1 and heating the blend at 200-320 deg.C for the ring-opening polymerization of the cyclic polyester oligomer.

公开(公告)号：JP2002265576A

公开(公告)日：2002-09-18

申请号：JP2001061901

申请日：2001-03-06

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA TOMOKO ,  HONDA KEISUKE ,  AOYAMA MASATOSHI

IPC: C08G63/78

Abstract: PROBLEM TO BE SOLVED: To provide a method of producing a polyester having a high degree of polymerization which is more economical than the conventional method, in the ring opening polymerization using a cyclic polyester oligomer. SOLUTION: In the method of producing a polyester having a high degree of polymerization, the cyclic polyester oligomer is compounded with a polyester at a weight ratio of 1.5 to 9.5 and they are mixed and heated in the ring opening polymerization of the cyclic polyester oligomer.

公开(公告)号：JP2002080575A

公开(公告)日：2002-03-19

申请号：JP2000268209

申请日：2000-09-05

Applicant: TORAY INDUSTRIES

Inventor： HONDA KEISUKE ,  ICHIKAWA TOMOKO ,  OZAKI MISA

IPC: C08G63/85

Abstract: PROBLEM TO BE SOLVED: To provide a polymerization catalyst for a polyester excellent in moldability and processability, in which problems of deterioration of color tone, strain on spinneret, increase in filtrating pressure, yarn breakage, or the like, are solved in production of molded products such as those for fibers, films and bottles, and to provide a method for producing the polyester by using the catalyst. SOLUTION: In this method for producing the polyester by polycondensing a product obtained by carrying out esterification reaction of an aromatic dicarboxylic acid or an ester-formed derivative thereof with a diol or an ester- formed derivative thereof, the polymerization catalyst for the polyester is characterized by including a titanium compound in which a main metal element is titanium, a phosphorus compound and a nitrogen-containing compound having >=2 carboxylic acids in one molecule. The method for producing the polyester comprises using the above catalyst.

公开(公告)号：JP2006322086A

公开(公告)日：2006-11-30

申请号：JP2005143973

申请日：2005-05-17

Applicant: TORAY INDUSTRIES

Inventor： ARANISHI YOSHITAKA ,  SASAKI TOSHIHIRO ,  ICHIKAWA TOMOKO

IPC: D06N3/14 ,  D01F2/28 ,  D06M15/564

Abstract: PROBLEM TO BE SOLVED: To provide an artificial leather that can fundamentally dissolve the problem of conventional artificial leather and has excellent flexibility, color development and moisture absorption or release by mainly using cellulose ester ultra fine fiber for constructing the entangled fiber body to be used as a constituent for the artificial leather. SOLUTION: The artificial leather mainly comprises a fiber-interlaced body mainly consisting of ultrafine cellulose ester fiber having ≤1.1 dtex single fiber size and a macromolecular elastomer. COPYRIGHT: (C)2007,JPO&INPIT

公开(公告)号：EP3216496A4

公开(公告)日：2018-02-07

申请号：EP16771819

申请日：2016-01-13

Applicant: TORAY INDUSTRIES

Inventor： YOSHIHIRO KAZUKI ,  SAKAGUCHI MAMI ,  FUJIWARA TAKAYUKI ,  ICHIKAWA TOMOKO

IPC: A63B53/10 ,  A01K87/00 ,  C08J5/06 ,  C08J5/24 ,  C08K3/04 ,  C08K7/06 ,  D06M13/11 ,  D06M101/40

CPC classification number: A63B53/10 ,  A01K87/00 ,  A63B59/70 ,  A63B60/08 ,  A63B2209/02 ,  A63B2209/023 ,  A63C11/227 ,  C08J5/06 ,  C08J5/24 ,  C08J2363/00 ,  C08K3/04 ,  C08K7/06 ,  C08L63/00 ,  D06M13/11 ,  D06M2101/40

Abstract: Provided are tubular carbon fiber reinforced composite material and having excellent cylindrical bending strength and a golf club shaft using the same. This tubular carbon fiber reinforced composite material is formed by laminating and curing a straight layer and a bias layer. The straight layer comprises carbon fibers S coated with a sizing agent S and arranged in parallel in a direction of -20° to +20° with respect to the axis of the tubular body, and contains a thermosetting resin S. The bias layer comprises carbon fibers B coated with a sizing agent B and arranged in parallel in a direction of +25° to +65° with respect to the axis of the tubular body, and contains a thermosetting resin B. The carbon fiber reinforced composite material constituting the bias layer has an interlaminar shear strength of not less than 110 MPa. A cured product of the thermosetting resin S has an elastic modulus of not less than 4.0 GPa.

公开(公告)号：EP2886590A4

公开(公告)日：2015-09-30

申请号：EP13841308

申请日：2013-07-16

Applicant: TORAY INDUSTRIES

Inventor： ARAI NOBUYUKI ,  ICHIKAWA TOMOKO ,  TAIKO HIROSHI ,  ENDO MAKOTO ,  KOBAYASHI MASANOBU ,  MISUMI JUN

IPC: C08J5/24 ,  D06M13/11 ,  D06M15/55 ,  D06M101/40

CPC classification number: C08L63/00 ,  C08J5/24 ,  C08J2300/24 ,  C08J2363/00 ,  C08J2481/06 ,  C08L2205/025 ,  C08L2205/035 ,  D06M13/11 ,  D06M15/55 ,  D06M2101/40

公开(公告)号：EP2862893A4

公开(公告)日：2015-05-27

申请号：EP13822867

申请日：2013-07-16

Applicant: TORAY INDUSTRIES

Inventor： ARAI NOBUYUKI ,  ICHIKAWA TOMOKO ,  TAIKO HIROSHI ,  ENDO MAKOTO ,  KOBAYASHI MASANOBU ,  MISUMI JUN

IPC: C08J5/24 ,  C08G59/38 ,  C08J5/06 ,  C08J5/10 ,  C08L63/00 ,  D06M13/11 ,  D06M15/55 ,  D06M101/40

CPC classification number: D06M15/55 ,  C08G59/38 ,  C08J5/06 ,  C08J5/10 ,  C08J5/24 ,  C08J2363/00 ,  C08K7/06 ,  C08L63/00 ,  D06M2101/40 ,  Y10T428/254 ,  Y10T428/31511

Abstract: Provided are a prepreg that is excellent in adhesiveness between carbon fibers and a matrix resin and long-term storage stability and achieves both excellent impact resistance and electrical conductivity in the thickness direction and a carbon fiber reinforced composite material. The present invention provides a prepreg formed by impregnating sizing agent-coated carbon fibers coated with a sizing agent containing an aliphatic epoxy compound (A) and an aromatic epoxy compound (B1) with a thermosetting resin composition containing thermoplastic resin particles (F) and conductive particles (G) in a mass ratio of 1:1 to 1,000 or conductive particles (H) in which a thermoplastic resin is covered with a conductive substance. An (a)/(b) ratio is within a predetermined range where (a) is a height of a component at a binding energy assigned to CHx, C-C, and C=C and (b) is a height of a component at a binding energy assigned to C-O in a C 1s core spectrum of surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.

公开(公告)号：JP2006322087A

公开(公告)日：2006-11-30

申请号：JP2005143974

申请日：2005-05-17

Applicant: TORAY INDUSTRIES

Inventor： ARANISHI YOSHITAKA ,  SASAKI TOSHIHIRO ,  ICHIKAWA TOMOKO

IPC: D06N3/14 ,  D01F2/28 ,  D06M15/564

Abstract: PROBLEM TO BE SOLVED: To provide an artificial leather that can fundamentally dissolve the problem of conventional artificial leather and has extremely excellent moisture absorption by mainly using cellulose ultra fine fiber for constructing the entangled fiber body to be used as a constituent for the artificial leather. SOLUTION: In the cellulose artificial leather that mainly comprises a fiber-interlaced body mainly consisting of ultrafine fiber having ≤0.5 dtex single fiber size and a macromolecular elastomer, at least a part of the ultrafine fiber is made of cellulose. COPYRIGHT: (C)2007,JPO&INPIT

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.