公开(公告)号：JPH03146709A

公开(公告)日：1991-06-21

申请号：JP28712089

申请日：1989-11-01

Applicant: TORAY INDUSTRIES

Inventor： MAEDA YUHEI ,  FUKUHARA MOTOTADA

IPC: D01F6/62 ,  D01F6/92

Abstract: PURPOSE:To provide the subject fiber having good touch and not causing a trouble such as the generation of the rubbing-out products of the fiber, e.g. white powder, in higher processes by having specific physical properties and containing medium active alumina particles and particles other than the medium active alumina particles. CONSTITUTION:The objective fiber having a tan delta peak temperature of =1.37g/cm and a birefringence degree of >=0.09 contains alumina particles with medium activity (e.g. gamma-alumina, delta-alumina, eta-alumina or theta-alumina) preferably in an amount of 0.01-2.5wt.% and particles other than the alumina particles (e.g. titanium oxide, calcium carbonate, alpha-alumina or carbon black) preferably in an amount of >=0.1wt.%. The alumina is preferably added as the slurry of a glycol used as a raw material for synthesizing the polyester. The spinning speed of 5500-8000m/minute permits to provide the fiber having the above-mentioned physical properties.

公开(公告)号：JPS6440612A

公开(公告)日：1989-02-10

申请号：JP19368287

申请日：1987-08-04

Applicant: TORAY INDUSTRIES

Inventor： MAEDA YUHEI ,  TAKEUCHI MASANORI

IPC: D01D1/09 ,  D01D1/02

Abstract: PURPOSE:To lessen heat deterioration in heating a thermoplastic hydrocarbon to high temperature, by laying a static blending element just before a spinneret and closely setting a heater along the static blending element. CONSTITUTION:A static blending element 2 is laid in such a way that a heater 7 is closely set along the periphery of the static blending element, the heater 7 is covered with heat insulating materials 11, 12 and 13 and the static blending element 2 is heated by an electric heater. A molten thermoplastic polymer is passed through a filtering material, a wire net filter, a restrictor plate, a passage 10 and the static blending element 2 just before a spinneret 3, where blending and heating are carried out and the polymer is extruded from a delivery hole 8.

公开(公告)号：JPS6375105A

公开(公告)日：1988-04-05

申请号：JP21585186

申请日：1986-09-16

Applicant: TORAY INDUSTRIES

Inventor： MAEDA YUHEI

IPC: D01D5/34 ,  D01F8/14

Abstract: PURPOSE:To ensure good fiber spinning properties and reduce frequency of bending, by keeping the average discharge linear velocity of each component just before joining under a given condition in joining a core component to a sheath component to form a core-sheath type conjugate melt stream. CONSTITUTION:A core-sheath type melt stream is initially formed under condition to give

公开(公告)号：JPS61266617A

公开(公告)日：1986-11-26

申请号：JP10142885

申请日：1985-05-15

Applicant: TORAY INDUSTRIES

Inventor： MAEDA YUHEI ,  YANAGIDA SHIGERU ,  MINEO MASANORI

IPC: D01F8/14

Abstract: PURPOSE:The titled fibers containing a sheath component of a polyester slightly dyeable with cationic dyes and a core component of cation-dyeablle modified polyester and capable of producing colored patterns of high quality comparable to that of printing by dip dyeing depending on the presence and absence of an alkali. CONSTITUTION:Sheath-core type conjugate polyester fibers containing a polyester slightly dyeable with cationic dyes as a sheath component and a cationic- dyeable polyester modified with a copolymerization component as a core component, and obtained by conjugate spinning to give 0.05-0.3 cross-sectional area ratio of the sheath component to the yarn cross section in the yarn cross section perpendicular to the yarn axis of the sheath-core type conjugate polyester fibers. An isophthalic component containing metallic sulfonate group, e.g. dimethyl (5-sodium sulfo)isophthalate, and a polyalkylene glycol, e.g. polyethylene glycol, are preferably used together as the copolymerization component in the core component.

公开(公告)号：JPS61201017A

公开(公告)日：1986-09-05

申请号：JP4122085

申请日：1985-03-04

Applicant: TORAY INDUSTRIES

Inventor： MAEDA YUHEI ,  MITSUYOSHI TAKEHIKO ,  MINEO MASANORI

IPC: D01F8/14 ,  D01F6/62 ,  D01F6/92

Abstract: PURPOSE:To provide the titled fiber having a sheath accounting for a specific cross-sectional ratio in the fiber and composed of a polyester consisting of ethylene terephthalate unit, etc., containing a specific amount of a higher aliphatic monocarboxylic acid ester and having durability and slimy feeling and excellent color tone and strength. CONSTITUTION:100pts.wt. of a polyester composed mainly of ethylene terephthalate recurring unit is added with P pts.wt. of a 34-65C higher aliphatic monocarboxylic acid ester having an acid value of

公开(公告)号：JP2007002373A

公开(公告)日：2007-01-11

申请号：JP2005186236

申请日：2005-06-27

Applicant: TORAY INDUSTRIES

Inventor： KANNO KOJI ,  TANIDA NOBORU ,  MAEDA YUHEI

IPC: D01F6/76 ,  D01F6/96 ,  D06M11/00 ,  D21H13/20

Abstract: PROBLEM TO BE SOLVED: To obtain a PPSO nanofiber having excellent heat resistance and chemical resistance and paper having excellent electrical insulating properties composed of the PPSO nanofiber. SOLUTION: The PPSO nanofiber has ≥0.0001μm and ≤0.3μm fiber diameter and is not substantially confirmed to have a melt peak in the measurement of a differential scanning calorimeter (DSC). The paper comprises the PPSO nanofiber. COPYRIGHT: (C)2007,JPO&INPIT

公开(公告)号：JP2003268689A

公开(公告)日：2003-09-25

申请号：JP2002068712

申请日：2002-03-13

Applicant: TORAY INDUSTRIES ,  TORAY MONOFILAMENT CO

Inventor： MASUDA TOYOHIKO ,  MAEDA YUHEI ,  KINOSHITA AKIRA

IPC: D06M15/59 ,  D03D15/00 ,  D06M101/30 ,  D06M101/32 ,  D06M101/34 ,  D21F1/10 ,  D21F7/08

Abstract: PROBLEM TO BE SOLVED: To provide a fabrics for paper machines in the form of paper making wires, papermaking felts and papermaking dryer canvases highly stain-resistant to tacky stains such as gummed tape glue. SOLUTION: The fabrics for the paper machines include a composition containing an epoxidized polyamide reaction cured product on at least the surface thereof. COPYRIGHT: (C)2003,JPO

公开(公告)号：JP2003227036A

公开(公告)日：2003-08-15

申请号：JP2002023398

申请日：2002-01-31

Applicant: TORAY INDUSTRIES

Inventor： OCHI TAKASHI ,  MAEDA YUHEI ,  OOME HIROKAZU

IPC: C08L59/00 ,  C08L67/04 ,  C08L101/16 ,  D01F6/92

Abstract: PROBLEM TO BE SOLVED: To obtain a polymer alloy fiber which has excellent biodegradability and abrasion resistance and has not conventionally existed. SOLUTION: The polymer alloy fiber comprises a resin obtained by mixing a polylactic acid with a polyacetal and has ≥1.0 cN/dtex strength. COPYRIGHT: (C)2003,JPO

公开(公告)号：JP2003213589A

公开(公告)日：2003-07-30

申请号：JP2002061252

申请日：2002-03-07

Applicant: TORAY INDUSTRIES ,  TORAY MONOFILAMENT CO

Inventor： MASUDA TOYOHIKO ,  MAEDA YUHEI ,  AONO SHOJI ,  KINOSHITA AKIRA ,  YAMAGAMI TAKAYUKI

IPC: D06M15/55 ,  D03D1/00 ,  D03D15/02 ,  D06M15/564 ,  D06M15/59 ,  D21F1/10 ,  D21F7/08

Abstract: PROBLEM TO BE SOLVED: To provide a fabric for paper machine for papermaking wired, papermaking dryer canvases and the like having high soil-proofness to adhesive soils such as gummed tape adhesive paste. SOLUTION: This fabric for paper machine, made by weaving synthetic fibers, has a cloth adhesive tape peel stress of ≤300 cN/2.5 cm. COPYRIGHT: (C)2003,JPO

公开(公告)号：JP2002227035A

公开(公告)日：2002-08-14

申请号：JP2001020319

申请日：2001-01-29

Applicant: TORAY INDUSTRIES

Inventor： KIMURA TOSHIAKI ,  MATSUMOTO HIROSHIGE ,  MAEDA YUHEI

IPC: D06P3/54 ,  C08L67/04 ,  C08L101/16 ,  D01F6/62 ,  D01F6/92 ,  D03D15/00

Abstract: PROBLEM TO BE SOLVED: To obtain a polylactic acid fiber structure having excellent chromatic color development and high heat resistance and to provide a method for producing the same. SOLUTION: This polylactic acid fiber structure obtained by using a polylactic acid fiber composed of a blend of a poly(L-lactic acid) and a poly(D- lactic acid) at least as a part is dyed with a chromatic color dye.