公开(公告)号：JP2002294051A

公开(公告)日：2002-10-09

申请号：JP2001094547

申请日：2001-03-29

Applicant: TORAY INDUSTRIES

Inventor： ISHII HIROMITSU ,  KUMAKI JIRO ,  NAGAO TAKASHI

IPC: C08J5/04 ,  C08K5/3492 ,  C08K5/521 ,  C08K7/02 ,  C08L25/12 ,  C08L51/00 ,  C08L63/00 ,  C08L67/02 ,  C08L101/00 ,  C09K21/10 ,  C09K21/12 ,  H01H45/02 ,  H01H73/06

Abstract: PROBLEM TO BE SOLVED: To obtain a flame-retardant resin composition for a breaker or an electromagnetic switch, having excellent flame retardance, mechanical characteristics, fluidity in injection molding and color tone of molding, hardly causing bleedout, having excellent tracking resistance by compounding a polyalkylene terephthalate resin with a nonhalogen-based flame retardant. SOLUTION: This flame-retardant resin composition is obtained by compounding (A) a polyalkylene terephthalate resin with (B) 1-20 wt.% of a vinyl-based resin, (C) 1-30 wt.% of a phosphoric ester, (D) 20-50 wt.% of a salt of a triazine-based compound and cyanuric acid or isocyanuric acid and (E) 0-50 wt.% of a fiber-reinforced material and is useful for a breaker or an electromagnetic switch.

公开(公告)号：JP2002284870A

公开(公告)日：2002-10-03

申请号：JP2001091102

申请日：2001-03-27

Applicant: TORAY INDUSTRIES

Inventor： OOME HIROKAZU ,  KUMAZAWA SADANORI ,  KUMAKI JIRO

IPC: C08G63/85

Abstract: PROBLEM TO BE SOLVED: To provide a process for the efficient preparation of the poly(butylene terephthalate)(PBT) excellent in the quality with controlling the side reaction. SOLUTION: The process for the preparation of poly(butylene terephthalate), comprising a continuous esterification of terephthalic acid and 1,4-butan diol and then a polycondensation thereof, is characterized by carrying out the esterification in the presence of a titanium compound having a chelate ligand.

公开(公告)号：JP2002284869A

公开(公告)日：2002-10-03

申请号：JP2001089822

申请日：2001-03-27

Applicant: TORAY INDUSTRIES

Inventor： KUMAZAWA SADANORI ,  OOME HIROKAZU ,  KUMAKI JIRO

IPC: C08G63/85

Abstract: PROBLEM TO BE SOLVED: To provide a process for the preparation of the polyester containing less alien substance than ever. SOLUTION: The process for the preparation of a polyester, comprising the esterification or transesterification of a dicarboxylic acid or its esterifiable derivative and a diol component consisting mainly of 1,4-butan diol by using as a catalyst an organic titanium compound and then the polycondensation thereof, is characterized by adding to the reaction system a cyclic compound having one or more hydroxyalkyl groups along with the above organic titanium compound.

公开(公告)号：JP2001081298A

公开(公告)日：2001-03-27

申请号：JP26255099

申请日：1999-09-16

Applicant: TORAY INDUSTRIES

Inventor： KOMORI KENJI ,  ISHII HIROMITSU ,  KUMAKI JIRO

IPC: C08J5/00 ,  B29C45/00 ,  C08K3/02 ,  C08K5/521 ,  C08K7/02 ,  C08L67/02 ,  C08L69/00

Abstract: PROBLEM TO BE SOLVED: To obtain a polybutylene terephthalate resin composition excellent in flowability in injection molding and can give injection moldings excellent in flame retardancy and mechanical properties by compounding a polybutylene terephthalate resin with red phosphor and a polyether-imide resin in a specified ratio. SOLUTION: This composition comprises 100 pts.wt. polybutylene terephthalate resin, 0.1-50 pts.wt. red phosphor, and 0.1-75 pts.wt. polyether-imide resin. It is desirable that the polyether-imide resin has a melt viscosity of 100-10,000 Pa s as measured at 370 deg.C and a shear rate of 1,000/sec. If necessary, the composition additionally contains, per 100 pts.wt. polybutylene terephthalate, 1-150 pts.wt. polyester resin and/or 1-150 pts.wt. polycarbonate resin and/or 1-200 pts.wt. fibrous reinforcement and/or 0.1-75 pts.wt. carbonation accelerator and/or 0.1-75 pts.wt. phosphoric ester. The composition can be molded into a product of any desired shape and can be molded into a product having a metal insert.

公开(公告)号：JP2001031851A

公开(公告)日：2001-02-06

申请号：JP20993599

申请日：1999-07-23

Applicant: TORAY INDUSTRIES

Inventor： ISHII HIROMITSU ,  UNO TOMOYUKI ,  KUMAKI JIRO

IPC: C08J5/12 ,  B29C45/14 ,  C08K7/02 ,  C08L67/02

Abstract: PROBLEM TO BE SOLVED: To obtain a polybutylene terephthalate composition excellent in impact resistance, hydrolysis resistance and viscosity stability, further excellent in heat-cycle properties obtained by repeating a low-temperature and high- temperature tests, and thereby useful for a machine mechanism element, an electric or electronic part or an automotive part, having an inserted metal. SOLUTION: This polybutylene terephthalate resin composition comprises (A) 100 pts.wt. polybutylene terephthalate resin, (B) 0.5-50 pts.wt. one or more kinds of ethylenic resins selected from (B1) an ethylene (co)polymer and (B2) an ethylene (co)polymer obtained by copolymerizing 0.01-15 wt.% unsaturated carboxylic acid or derivative thereof, and (C) 0.1-6 pts.wt. epoxy compound comprising (C1) at least one kind of a glycidyl ester compound and (C2) at least one kind of a glycidyl ether compound.

公开(公告)号：JP2000226507A

公开(公告)日：2000-08-15

申请号：JP11884899

申请日：1999-04-26

Applicant: TORAY INDUSTRIES

Inventor： SAKAI HIDETOSHI ,  KUMAKI JIRO

IPC: G11B5/73 ,  C08J5/18 ,  C08K3/34 ,  C08L67/02 ,  C08L69/00 ,  G11B5/733

Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition having antistatic properties and improved embossing processability by adding a nonionic antistatic agent to a thermoplastic resin containing a specific amount of an aromatic polycarbonate. SOLUTION: This composition comprises (A) 100 pts.wt. of a thermoplastic resin containing >=30 wt.% of an aromatic polycarbonate (e.g. a polycarbonate comprising bisphenol A partially substituted with 4,4'-dihydroxydiphenylalkane) and (B) 0.02-10 pts.wt. of a nonionic antistatic agent (e.g. a polypropylene glycol, a polyethylene glycol, an adduct of ethylene oxide to alkylphenol, etc.). For example, a thermoplastic resin having 70-170 deg.C glass transition temperature is preferable as the thermoplastic resin except the aromatic polycarbonate in the component A.

公开(公告)号：JP2000017161A

公开(公告)日：2000-01-18

申请号：JP19732398

申请日：1998-07-13

Applicant: TORAY INDUSTRIES

Inventor： NARITA MASAO ,  OOME HIROKAZU ,  KUMAKI JIRO

IPC: B29C45/00 ,  B29K67/00 ,  C08K5/20 ,  C08L67/02

Abstract: PROBLEM TO BE SOLVED: To obtain a polyester resin mixture having a low crystallinity, a good impact resistance and a tensile elongation, and further having improved stiffness by mixing a specific thermoplastic polyester with a specified diamide in a specific proportion. SOLUTION: This polyester resin mixture is obtained by mixing (A) 100 pts.wt. thermoplastic polyester (preferably polybutylene terephthalate) derived from (i) an 8-20C aromatic dicarboxylic acid or a lower ester thereof, and (ii) a 2-20C dial as a starting material, with (B) 0.1-10 pts.wt. diamide of the formula R1 is a (m) C alkylene or the like [(m) is a number of carbons satisfying the formula (n)-1

公开(公告)号：JPH11335534A

公开(公告)日：1999-12-07

申请号：JP14254898

申请日：1998-05-25

Applicant: TORAY INDUSTRIES

Inventor： ISHII HIROMITSU ,  SAKAI HIDETOSHI ,  KUMAKI JIRO ,  YAMAUCHI KOJI

IPC: C08K3/02 ,  C08K3/04 ,  C08K3/34 ,  C08K5/13 ,  C08K5/3492 ,  C08K5/524 ,  C08K7/02 ,  C08L23/04 ,  C08L67/02

Abstract: PROBLEM TO BE SOLVED: To obtain a housing of an electrical component with an electric point switch and made from a flame-retardant reinforced PBT, having high impact resistance, heat resistance, and tracking resistance and containing a non-halogen flame retardant. SOLUTION: Provided is a resin composition for a housing for an electrical component with an electric point switch and made from a flame-retardant reinforced PBT, containing (A) 100 pts.wt. PBT (polybutylene terephthalate) resin, (B) 1-200 pts.wt. PET(polyethylene terephthalate) resin, (C) 0.1-50 pts.wt. red phosphorus, (D) 0-100 pts.wt. salt of a triazine compound with cyanuric acid or isocyanuric acid, (E) 1-200 pts.wt. fibrous reinforcement, (F) 1-100 pts.wt. polyolefin resin, (G) 0-30 pts.wt. inorganic layered compound, (H) 0-10 pts.wt. fluoro resin, (I) 0-30 pts.wt. lubricant, (J) 0-30 pts.wt. carbon black, and (K) 0-10 pts.wt. hindered phenol stabilizer and/or phosphite stabilizer.

公开(公告)号：JPH11335533A

公开(公告)日：1999-12-07

申请号：JP14254798

申请日：1998-05-25

Applicant: TORAY INDUSTRIES

Inventor： ISHII HIROMITSU ,  SAKAI HIDETOSHI ,  KUMAKI JIRO ,  YAMAUCHI KOJI

IPC: C08K3/00 ,  C08K5/00 ,  C08K7/14 ,  C08K9/04 ,  C08K9/08 ,  C08L23/04 ,  C08L27/12 ,  C08L67/02 ,  H01F5/02

Abstract: PROBLEM TO BE SOLVED: To obtain a resin composition for coil bobbins made from a flame- retardant reinforced PBT, having a high dielectric breakdown voltage and excellent heat resistance, tracking resistance, and impact strength and containing a nonhalogen flame retardant and to obtain a coil bobbin made therefrom. SOLUTION: Provided is a resin composition for coil bobbins made from a flame-retardant reinforced PBT (polybutylene terephthalate), containing (A) 100 pts.wt. PBT resin, (B) 1-200 pts.wt. PET (polyethylene terephthalate) resin, (C) 0.1-50 pts.wt. red phosphorus, (D) 0-100 pts.wt. salt of a triazine compound with cyanuric acid or isocyanuric acid, (F) 1-100 pts.wt. polyethylene and/or ethylene copolymer, (G) 0-30 pts.wt. inorganic layered compound, (H) 0-10 pts.wt. fluoro resin, (I) 0-30 pts.wt. lubricant, (J) 0-30 pts.wt. carbon black, and (K) 0-10 pts.wt. hindered phenol stabilizer and/or phosphite stabilizer.

公开(公告)号：JPH09216245A

公开(公告)日：1997-08-19

申请号：JP2571196

申请日：1996-02-13

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  TOGAWA MITSUNARI ,  KUMAKI JIRO

IPC: H05K5/02 ,  B29C45/00 ,  B29K9/00 ,  B29K67/00 ,  B29K77/00 ,  B29K81/00 ,  B29K101/12 ,  B29K503/04 ,  B29L31/34 ,  C08K3/00 ,  C08L101/00

Abstract: PROBLEM TO BE SOLVED: To provide a case for a portable instrument of superior balance of heat resistance, rigidity and impact resistance. SOLUTION: A resin composition is composed of at least three components, namely a thermoplastic resin A, an inorganic filler B and an elastic polymer C having the glass transition temperature of -20 deg.C or under, and dispersed particles of 30% or more in the elastic polymer C exist in the form of interfaces being brought into contact with the organic filler B.