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    HYGROSCOPIC POLYESTER FIBER AND METHOD FOR PRODUCING THE SAME
    22.
    发明专利
    HYGROSCOPIC POLYESTER FIBER AND METHOD FOR PRODUCING THE SAME 审中-公开

    公开(公告)号：JP2003213524A

    公开(公告)日：2003-07-30

    申请号：JP2002011747

    申请日：2002-01-21

    Applicant: TORAY INDUSTRIES

    Inventor： MATSUMURA YOSHITAKA ,  OGUCHI TOMOHIRO ,  MATSUMURA MASAHIDE

    IPC: A41D31/00 ,  D01F6/92

    Abstract: PROBLEM TO BE SOLVED: To provide a polyester fiber having high hygroscopicity and usable as a comfortable material for a high-quality woven or knit fabric such as underwear and sportswear. SOLUTION: The hygroscopic polyester fiber is a thick-and-thin fiber produced by blending a hydrophilic component and a fiber-forming polymer. The moisture absorption-desorption parameter (ΔMR) of the fiber is ≥1.0%, the dispersion diameter of the hydrophilic component in the fiber is ≤2 μm and the denier unevenness (Uster normal U%) along the fiber length is 5-20%. COPYRIGHT: (C)2003,JPO

    HYGROSCOPIC POLYESTER FIBER AND METHOD FOR PRODUCING THE SAME
    23.
    发明专利
    HYGROSCOPIC POLYESTER FIBER AND METHOD FOR PRODUCING THE SAME 审中-公开

    公开(公告)号：JP2003213523A

    公开(公告)日：2003-07-30

    申请号：JP2002011746

    申请日：2002-01-21

    Applicant: TORAY INDUSTRIES

    Inventor： MATSUMURA YOSHITAKA ,  YOSHIMIYA TAKAYUKI ,  MATSUMURA MASAHIDE

    IPC: A41B17/00 ,  D01F6/92

    Abstract: PROBLEM TO BE SOLVED: To provide a polyester fiber having high hygroscopicity and usable as a comfortable material for a high-quality woven or knit fabric such as underwear and sportswear. SOLUTION: The hygroscopic polyester fiber is produced by blending a hydrophilic component and a fiber-forming polymer. The moisture absorption- desorption parameter (ΔMR) of the fiber is ≥1.0% and the dispersion diameter of the hydrophilic component in the fiber is ≤2 μm. COPYRIGHT: (C)2003,JPO

    STRETCHABLE MIXED YARN WITH YARNS HAVING DIFFERENT FINENESSES
    24.
    发明专利
    STRETCHABLE MIXED YARN WITH YARNS HAVING DIFFERENT FINENESSES 失效

    公开(公告)号：JP2002285428A

    公开(公告)日：2002-10-03

    申请号：JP2001087417

    申请日：2001-03-26

    Applicant: TORAY INDUSTRIES

    Inventor： MORI YOSHITOKI ,  MATSUMURA YOSHITAKA ,  MATSUMURA MASAHIDE

    IPC: D01F6/62 ,  D01D5/08 ,  D01D5/32 ,  D02G3/04

    Abstract: PROBLEM TO BE SOLVED: To provide a stretchable mixed yarn with yarns having different finenesses, equipped with an elegant dignity, a highly stretchable property, tenacity, a body, a resilient feeling, a puffy feeling and a soft feeling without having crimps and wrinkles. SOLUTION: This stretchable mixed yarn with yarns having different finenesses consists of at least >=3 kinds of filament yarns, in which whole single yarns constituting the mixed yarn of which at least its high viscosity component is a polytrimethylene terephthalate, are side by side type conjugated yarns; the mixed yarn consists of (A) thin fineness yarns of 0.5-3.0 dtex single yarn fineness, (B) middle fineness yarns of 0.7-5.0 dtex single yarn fineness and (C) thick fineness yarns of 3.0-15.0 dtex single yarn fineness; the number of filaments (Fa) of the thin fineness yarns is 29 fold of that of the thick fineness yarns (Fc) and >=2 fold of that of the middle fineness yarns (Fb); and also the 1.8×10 cN/dtex elongation rate stretched and contracted under a load of the mixed yarn is >=20%.

    COPOLYESTER HAVING EXCELLENT HYGROSCOPICITY AND HYGROSCOPIC SYNTHETIC FIBER PRODUCED BY USING THE COPOLYESTER
    27.
    发明专利
    COPOLYESTER HAVING EXCELLENT HYGROSCOPICITY AND HYGROSCOPIC SYNTHETIC FIBER PRODUCED BY USING THE COPOLYESTER 失效

    公开(公告)号：JPH08198954A

    公开(公告)日：1996-08-06

    申请号：JP956695

    申请日：1995-01-25

    Applicant: TORAY INDUSTRIES

    Inventor： MATSUMURA YOSHITAKA ,  HIGUCHI MICHINORI ,  SASAMOTO FUTOSHI

    IPC: D01F6/62 ,  C08G63/00 ,  C08L67/00 ,  D01F6/86 ,  D01F8/14

    Abstract: PURPOSE: To provide a copolyester containing a cross-linking agent and a compound having polar group, copolymerized with a specific amount of a hydrophilic compound, having excellent hygroscopicity and suitable as a material for clothes such as inner wear, intermediate wear and sports wear. CONSTITUTION: This copolymer having a moisture absorption/desoprption parameter (ΔMR) of >=12.0% contains (A) 0-50mol% of a compound having polar group and expressed by the formula Y1 -R1 -Xn (R1 is an organic residue; X is an ester-forming group; (n) is >=1; Y1 is amino, sulfonic acid, carboxyl, OH, amide, phosphonic acid group, etc.; (i) is >=1) and/or (B) 0-30mol% (A+B is not 0mol%) of a cross-linking agent composed of a polyfunctional compound of formula (R3 O)n R2 (COOR4 )m (R2 is a tri- to hexa-valent organic residue; R3 is H or acetyl; R4 is H or an alkyl; 3

    SHEATH-CORE TYPE CONJUGATE FIBER EXCELLENT IN HYGROSCOPICITY
    28.
    发明专利
    SHEATH-CORE TYPE CONJUGATE FIBER EXCELLENT IN HYGROSCOPICITY 失效

    公开(公告)号：JPH0881831A

    公开(公告)日：1996-03-26

    申请号：JP22140394

    申请日：1994-09-16

    Applicant: TORAY INDUSTRIES

    Inventor： MATSUMURA YOSHITAKA ,  HIGUCHI MICHINORI ,  SASAMOTO FUTOSHI

    IPC: D01F6/86 ,  D01F8/14

    Abstract: PURPOSE: To obtain a sheath-core type conjugate fiber high in hygroscopicity, having dry touch, high color fastness and light resistance, and capable of being used as a comfortable raw material for woven or knit fabric used for underwear, sport wears, etc. CONSTITUTION: The characteristics of the sheath-core conjugate fiber having a core part/sheath part ratio of 5/95 to 90/10 and excellent in hygroscopicity comprise using a fiber-forming polymer for the sheath part and also using a polyether-ester copolymerized with 30-97wt.% of a polyalkylene glycol having a mol.wt. of 600-20000 and having a (b) value of

    SHEATH/CORE CONJUGATE POLYESTER MONOFILAMENT FOR SCREEN GAUZE AND METHOD FOR PRODUCING THE SAME
    29.
    发明专利
    SHEATH/CORE CONJUGATE POLYESTER MONOFILAMENT FOR SCREEN GAUZE AND METHOD FOR PRODUCING THE SAME 审中-公开

    公开(公告)号：JP2003213528A

    公开(公告)日：2003-07-30

    申请号：JP2002011817

    申请日：2002-01-21

    Applicant: TORAY INDUSTRIES

    Inventor： MATSUMURA YOSHITAKA ,  MATSUMURA MASAHIDE ,  SATO KOICHI

    IPC: B41N1/24 ,  D01F8/14

    Abstract: PROBLEM TO BE SOLVED: To provide a polyester monofilament fiber for fine-denier screen gauze having high strength and excellent dimensional stability and scum and node suppressing effect unattainable by conventional monofilament fibers and giving a high-mesh screen. SOLUTION: The sheath/core conjugate polyester monofilament for screen gauze satisfies the following requirements A to D. (A) the intrinsic viscosity of the polyester for the core component is ≥0.70 and higher than that of the polyester for the sheath component and the difference between the intrinsic viscosity values is 0.15-0.30, (B) the strength of the polyester monofilament is ≥5.5 cN/dtex, (C) the friction coefficient between the traveling polyester monofilament and a mirror surface is ≤0.40, and (D) the number of nodes thicker than the fiber diameter by ≥10% is at most one per 100,000 m of the polyester monofilament. COPYRIGHT: (C)2003,JPO

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