BASIC DYE-DYEABLE COPOLYESTER FIBER

    公开(公告)号:JP2001020138A

    公开(公告)日:2001-01-23

    申请号:JP19386299

    申请日:1999-07-08

    Abstract: PROBLEM TO BE SOLVED: To obtain a basic dye-dyeable copolyester fiber which has a high strength, a stretching property, and excellent dyeability with basic dyes and disperse dyes and is suitable for sport wears, by processing a specific polyester into the fiber having a prescribed Young's modulus and a prescribed elongation elastic recovery. SOLUTION: This basic dye-dyeable polyester fiber comprises a polyester which contains propylene terephthalate units as main components and a polyoxyalkylene glycol having a mol.wt. of >=192 preferably in an amount of 0.01 to 20 wt.% and has been copolymerized with a basic dye-dyeable site component such as a sulfoisophthalic acid alkali metal salt (preferably in an amount of 0.01 to 10 mol.% based on the total acid components), has a Young's modulus of

    ANTISTATIC POLYESTER FIBER
    2.
    发明专利

    公开(公告)号:JP2000212836A

    公开(公告)日:2000-08-02

    申请号:JP1304099

    申请日:1999-01-21

    Abstract: PROBLEM TO BE SOLVED: To obtain an antistatic polyester fiber having a sufficient antistatic performance and capable of being developed to all colored uses including white color uses by forming a conjugate fiber which comprises a polyester component containing an antistatic agent and a matting agent and a polyester component substantially not containing an antistatic agent and containing a matting agent. SOLUTION: This antistatic polyester fiber comprises a conjugate fiber comprising one component and another component. The one component comprises a polyester containing >=1.0 wt.% of an antistatic agent and >=1.0 wt.% of a matting agent such as titanium dioxide. Another component comprises a polyester substantially not containing an antistatic agent and containing

    HIGHLY MODIFIED CROSS-SECTION YARN

    公开(公告)号:JP2000192325A

    公开(公告)日:2000-07-11

    申请号:JP28228099

    申请日:1999-10-04

    Abstract: PROBLEM TO BE SOLVED: To obtain a highly modified cross-section yarn having excellent deep- colorable properties, water absorption, covering properties, lightweight and heat retaining properties and dry touch. SOLUTION: This highly modified cross-section yarn comprises a thermoplastic polymer, is an approximately δ type cross-section yarn consisting of a hollow base part having one hollow part and a branch part extended from the hollow base part. Two recessed parts composed of the hollow base part and the branch part exist. One recessed part forms a bay part which a line segment obtained by drawing a line from the center of the hollow base part to the tip of the branch part crosses. The yarn thickness T of the branch part is substantially constant. In the yarn, preferably the thermoplastic polymer is a polyethylene terephthalate. Preferably the ratio Dp/T of the depth(Dp) of the bay part to the thickness of the branch part T is >=0.5.

    PILE CLOTH
    5.
    发明专利

    公开(公告)号:JPH11152646A

    公开(公告)日:1999-06-08

    申请号:JP31353597

    申请日:1997-11-14

    Abstract: PROBLEM TO BE SOLVED: To obtain a pile cloth excellent in soft feeling, resistance to hair falling-down, covering property, mottled feeling and print coloring property by using a pile yarn constituted of polyester fibers having a specific S-letter like cross section and different contents of delustering agent. SOLUTION: This pile cloth is manufactured by using a pile yarn of pile part-constituting fibers comprising 20-80 wt.% of polyester fibers having S-letter like cross section having an aspect ratio of in the cross section Within the range of 0.5-3.5 and 1.5-6 de single fiber size containing >=1.5 wt.% of delustering agent such as titanium oxide and 80-20 wt.% of fibers containing

    HIGHLY SHRINKABLE POLYESTER STAPLE HAVING HOLLOW SECTION AND ITS PRODUCTION

    公开(公告)号:JPH10204722A

    公开(公告)日:1998-08-04

    申请号:JP502697

    申请日:1997-01-14

    Abstract: PROBLEM TO BE SOLVED: To obtain the subject staple capable of providing a spun textile having not only high lightfastness but also bulking feeling, soft feeling and light feeling by heat treating a drawn fiber comprising a specific copolyester under a specified condition. SOLUTION: The objective staple fiber is obtained by extruding a copolyester including (A) isophthalic acid and (B) 2,2-bis 4-(2-hydroxyethoxy)phenyl}propane as copolymerizing components, simultaneously satisfying the formula I to III [P(a) is a molar fraction (%) of the component A in the whole acid components; P(b) is the molar fraction (%) of the component B in the whole glycol components] and having >=0.55 intrinsic viscosity, from a cap having nozzles comprising two or more slits, spinning and drawing the extruded fiber, and thereafter heat treating the drawn fiber by controlling the condition so that the initial water content of the drawn fiber at a heat treating zone may be >=5wt.%, a relaxation ratio may be (-2) to 5%, and a treating temperature may be 110-180 deg.C, to form the objective staple having 3% larger than that in 160 deg.C dry air after treating by the boiling water and

    SHORT FIBER HAVING LATENTLY FIBRILLATING PROPERTY

    公开(公告)号:JPH09228238A

    公开(公告)日:1997-09-02

    申请号:JP3767796

    申请日:1996-02-26

    Abstract: PROBLEM TO BE SOLVED: To obtain the subject short fiber capable of providing sufficient softness without greatly damaging fiber tenacity and physical properties of woven fabric, by blending a base polymer with a readily soluble polymer in spinning, fibrillating preferentially the tip part of the fiber when the fiber is subjected to weight-loss processing with a solvent. SOLUTION: This short fiber is obtained by a method for blending a base polymer such as a homopolyethylene terephthalate with a readily soluble polymer (e.g. a polyester copolymerized with 5mol% of 5-sodium sulfoisophthalate) by polymer blending in spinning and cutting the prepared fiber into =3 fiber number at the tip part of the short fiber when subjected to 10% weight loss processing with a solvent and >=1.3 ratio of the fibril number at the tip of the short fiber to that of a non-tip part of the short fiber.

    POLYESTER PILE FABRIC
    8.
    发明专利

    公开(公告)号:JPH09228190A

    公开(公告)日:1997-09-02

    申请号:JP3841896

    申请日:1996-02-26

    Abstract: PROBLEM TO BE SOLVED: To obtain a polyester pile fabric excellent in wearing amenities without sweaty unpleasantness and itchy irritation caused by static electricity by using polyester fibers having both of moisture-absorbing and antistatic properties as pile yarns and/or ground yarns. SOLUTION: A polyester copolymer prepared by copolymerizing a polyether- ester-amide block copolymer or dimethyl terephthalate/ethylene glycol/a polar group-bearing compound, for example, 5-sodiosulfo-isophthalic acid/trimethyl trimellitate is arranged in the fiber core and usual polyester is arranged in the sheath to prepare a sheath-core type conjugated fiber and the fiber is drawn to form a polyester fiber with moisture absorption and release parameter ΔMR of >=1%, frictionally charging voltage of .

    FIBER MIXTURE AND FIBER MOLDED PRODUCT AND METHOD FOR PRODUCING FIBER MOLDED PRODUCT

    公开(公告)号:JPH0835156A

    公开(公告)日:1996-02-06

    申请号:JP16374094

    申请日:1994-07-15

    Abstract: PURPOSE:To obtain the lightweight and soft cushion material little in permanent set in fatigue setting and in compression residual strain, having good air permeability and moisture permeability, and comfortable in touch. CONSTITUTION:A modified PET as a thermoplastic polymer R1, PET as R2 and a modified PET having a melting point of 80-170 deg.C which is lower by at least 20 deg.C than the melting points of R1 and R2, as R3, are subjected to a bicomponent spinning treatment to obtain the latent crimping conjugate fiber having a fineness of 1-10 denier and a fiber length of 10-100mm, giving a crimp number N of 3-20 mountains / 25 mm and a crimping degree number ratio y expressed by an inequality of -0.07N+1.8

Patent Agency Ranking