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    1.
    发明专利
    未知

    公开(公告)号：DE2039105A1

    公开(公告)日：1972-02-17

    申请号：DE2039105

    申请日：1970-08-06

    Applicant: TORAY INDUSTRIES

    Inventor： KATO TETSUYA ,  HIDAKA TOSHIAKI ,  OKAGAWA CHIKATSU

    IPC: C08L77/00 ,  D01D5/24 ,  D01D5/247 ,  D01F1/10 ,  D01F6/60

    Abstract: 1300467 Cellular Polyamide fibres TORAY INDUSTRIES Inc 1 Aug 1970 37266/70 Heading B5B [Also in Division C3] Cellular polyamide fibres are produced from a dispersion of a thermally stable polyalkylene ether modifier having a molecular weight of 600 to 60,000 in a polyamide, the dispersion containing between 0À2 and 3À5 millimole alkylene oxide units per gram of polyamide, by converting the dispersion into pellets, melt spinning the pellets into filaments, drawing the filaments until they have a predetermined orientation and extracting the modifier to produce filaments having 0À5 to 13% by volume of voids. The modifier is present in the pellets as particles, the average axial diameter of at least 50% of them being below 20Á. The birefringence of the filaments should be not less than (49 log 10 (8a+8)-32) Î 10 -3 where a is the millimoles of alkylene oxide units per gram of polyamide. The modifier may be a reaction product of a polyalkylene oxide such as polyethylene oxide or polypropylene oxide, with a polyamide monomer, such as a lactam, or oligomer. The modifier may also be a phosphoric acid ester, or a metal salt thereof, of a polyalkylene ether having at least one hydroxy radical. The modifier may be introduced into the polyamide by dissolving it in the polyamide monomer solution or mixing it with the monomer, and then polymerizing the monomer. The modifier may be removed from the filaments after spinning by dissolving it out with water or an organic solvent, such as a mixture of methanol and benzene, which does not dissolve the polyamide. The lustre of the fibre may be improved by addition of fine white particles whose maximum diameter is less than 10Á, the quantity of which is given by the formula where C is the quantity in per cent by weight and d is the difference between the refractive indeces of the polyamide and the particles. Suitable particulate materials are talc, CaCO 3 , titanium oxide and kaolinite. The fibres produced should have a ratio of strength of scattered light (I/I 0 ) as herein defined of from 1À5 to 15 and a lustre factor, also as herein defined, of from 20 to 90.

    POLYAMIDE FIBER HAVING IMPROVED SILKY FEEL AND LUSTRE
    3.
    发明专利
    POLYAMIDE FIBER HAVING IMPROVED SILKY FEEL AND LUSTRE 未知

    公开(公告)号：CA986673A

    公开(公告)日：1976-04-06

    申请号：CA88743

    申请日：1970-07-21

    Applicant: TORAY INDUSTRIES

    Inventor： KATO TETSUYA ,  HIDAKA TOSHIAKI ,  OKAGAWA CHIKATSU

    IPC: C08L77/00 ,  D01D5/24 ,  D01D5/247 ,  D01F1/10 ,  D01F6/60

    Abstract: 1300467 Cellular Polyamide fibres TORAY INDUSTRIES Inc 1 Aug 1970 37266/70 Heading B5B [Also in Division C3] Cellular polyamide fibres are produced from a dispersion of a thermally stable polyalkylene ether modifier having a molecular weight of 600 to 60,000 in a polyamide, the dispersion containing between 0À2 and 3À5 millimole alkylene oxide units per gram of polyamide, by converting the dispersion into pellets, melt spinning the pellets into filaments, drawing the filaments until they have a predetermined orientation and extracting the modifier to produce filaments having 0À5 to 13% by volume of voids. The modifier is present in the pellets as particles, the average axial diameter of at least 50% of them being below 20Á. The birefringence of the filaments should be not less than (49 log 10 (8a+8)-32) Î 10 -3 where a is the millimoles of alkylene oxide units per gram of polyamide. The modifier may be a reaction product of a polyalkylene oxide such as polyethylene oxide or polypropylene oxide, with a polyamide monomer, such as a lactam, or oligomer. The modifier may also be a phosphoric acid ester, or a metal salt thereof, of a polyalkylene ether having at least one hydroxy radical. The modifier may be introduced into the polyamide by dissolving it in the polyamide monomer solution or mixing it with the monomer, and then polymerizing the monomer. The modifier may be removed from the filaments after spinning by dissolving it out with water or an organic solvent, such as a mixture of methanol and benzene, which does not dissolve the polyamide. The lustre of the fibre may be improved by addition of fine white particles whose maximum diameter is less than 10Á, the quantity of which is given by the formula where C is the quantity in per cent by weight and d is the difference between the refractive indeces of the polyamide and the particles. Suitable particulate materials are talc, CaCO 3 , titanium oxide and kaolinite. The fibres produced should have a ratio of strength of scattered light (I/I 0 ) as herein defined of from 1À5 to 15 and a lustre factor, also as herein defined, of from 20 to 90.

    CELLULAR POLYAMIDE FIBRES
    5.
    发明专利
    CELLULAR POLYAMIDE FIBRES 未知

    公开(公告)号：GB1300467A

    公开(公告)日：1972-12-20

    申请号：GB3726670

    申请日：1970-08-01

    Applicant: TORAY INDUSTRIES

    Inventor： KATO TETSUYA ,  HIDAKA TOSHIAKI ,  OKAGAWA CHIKATSU

    IPC: C08L77/00 ,  D01D5/24 ,  D01D5/247 ,  D01F1/10 ,  D01F6/60

    Abstract: 1300467 Cellular Polyamide fibres TORAY INDUSTRIES Inc 1 Aug 1970 37266/70 Heading B5B [Also in Division C3] Cellular polyamide fibres are produced from a dispersion of a thermally stable polyalkylene ether modifier having a molecular weight of 600 to 60,000 in a polyamide, the dispersion containing between 0À2 and 3À5 millimole alkylene oxide units per gram of polyamide, by converting the dispersion into pellets, melt spinning the pellets into filaments, drawing the filaments until they have a predetermined orientation and extracting the modifier to produce filaments having 0À5 to 13% by volume of voids. The modifier is present in the pellets as particles, the average axial diameter of at least 50% of them being below 20Á. The birefringence of the filaments should be not less than (49 log 10 (8a+8)-32) Î 10 -3 where a is the millimoles of alkylene oxide units per gram of polyamide. The modifier may be a reaction product of a polyalkylene oxide such as polyethylene oxide or polypropylene oxide, with a polyamide monomer, such as a lactam, or oligomer. The modifier may also be a phosphoric acid ester, or a metal salt thereof, of a polyalkylene ether having at least one hydroxy radical. The modifier may be introduced into the polyamide by dissolving it in the polyamide monomer solution or mixing it with the monomer, and then polymerizing the monomer. The modifier may be removed from the filaments after spinning by dissolving it out with water or an organic solvent, such as a mixture of methanol and benzene, which does not dissolve the polyamide. The lustre of the fibre may be improved by addition of fine white particles whose maximum diameter is less than 10Á, the quantity of which is given by the formula where C is the quantity in per cent by weight and d is the difference between the refractive indeces of the polyamide and the particles. Suitable particulate materials are talc, CaCO 3 , titanium oxide and kaolinite. The fibres produced should have a ratio of strength of scattered light (I/I 0 ) as herein defined of from 1À5 to 15 and a lustre factor, also as herein defined, of from 20 to 90.

    POLYURETHANE COMPOSITE FIBERS
    9.
    发明专利
    POLYURETHANE COMPOSITE FIBERS 失效

    公开(公告)号：JPS54138618A

    公开(公告)日：1979-10-27

    申请号：JP4417678

    申请日：1978-04-17

    Applicant: TORAY INDUSTRIES

    Inventor： HIDAKA TOSHIAKI ,  TAKEDA TOSHIYUKI ,  MIZUTANI SHIGERU

    IPC: D01F8/12 ,  D01F8/16

    Abstract: PURPOSE:To obtain the title fibers having improved heat and wet heat resistance free from peeling of components, by eccentric composite spinning of a specific polyurethane as a core component and polycapramide as a sheath component. CONSTITUTION:Eccentric sheath-core composite spinning of (A) a polyurethane block copolymer consisting of (a) polycarbonate-type polyurethane and (b) poly caprolactone-type polyurethane at a weight ratio of (a) to (b) of 20:80 - 45:55 as a core component and (B) a polycapramide having an intrinsic viscosity [eta] of 0.9 - 1.1 as a sheath component is carried out to give the desired composite fibers. The copolymer is obtained by reacting a polycarbonate-polyol having molecular weight of 600 - 3,000 of formula with a poly caprolactone having a molecular weight of 1,000 - 3,000, a diisocyanate and a chain extender. EFFECT:Improved unwinding properties and no broken fiber.

    PRODUCTION OF POLYESTER MULTIFILAMENT YARN
    10.
    发明专利
    PRODUCTION OF POLYESTER MULTIFILAMENT YARN 失效

    公开(公告)号：JPH04281034A

    公开(公告)日：1992-10-06

    申请号：JP3855391

    申请日：1991-03-05

    Applicant: TORAY INDUSTRIES

    Inventor： SUGIMOTO TAKETOSHI ,  HIDAKA TOSHIAKI ,  MATSUDA HIYOSHI

    IPC: D01F6/62 ,  D02J1/00 ,  D02J1/22

    Abstract: PURPOSE:To enable stable and high-speed production of the subject yarn free from uneven drawing and sag and capable of giving a high-quality grain- patterned woven fabric having excellent feeling by successively preheating and heat-drawing an undrawn polyester yarn using a specific method and subjecting the product to entanglement treatment under specific condition. CONSTITUTION:An undrawn polyester yarn composed of >=40 filaments is preheated by winding on a roller heated at 85-95 deg.C. The preheated yarn is drawn at a speed of 800-1,500m/min at a draw ratio satisfying the formula I [V1 is spinning speed (m/min) of the undrawn yarn; R is draw ratio] and, at the same time, heated by transferring in contact with a heater heated at 140-180 deg.C under the condition satisfying the formulas II and III [V2 is drawing speed (m/min); T is heat-treatment period (sec); D is denier of drawn yarn; F is tension (g) in heat-treatment] to effect the heat-treatment of the yarn. Finally, the drawn yarn is subjected to entanglement with a fluid treating nozzle to an entanglement coefficient K of 5-100 to obtain the objective fiber having a single fiber fineness of

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