公开(公告)号：JPH06220734A

公开(公告)日：1994-08-09

申请号：JP1025193

申请日：1993-01-25

Applicant: TORAY INDUSTRIES

Inventor： SATO MASAYUKI ,  KONNO YOSHIHIRO ,  TAKAHASHI HIROSHI

IPC: D01D5/20 ,  D01F6/60 ,  D01F6/62 ,  D02G3/34 ,  D02J1/22

Abstract: PURPOSE:To obtain a thick and thin multifilament yarn capable of dispersing the difference in dyeing properties between thin part and thick part and capable of giving a natural feeling with an uneven dying by forming side shape of the thick part into a specific spindle shape. CONSTITUTION:In the thick and thin multifilament yarn composed of plural filaments alternately having a thick part 1 and a thin part 2 along the length direction, the thick part 1 consists of a maximum diameter part 1a whose diameter is =0.95 times the Dmax and a diameter-decreasing part 1b gradually decreasing its diameter from the maximum diameter part 1a to the thin part 2 in the length direction and whose diameter at the both end parts (Dmin) is 1.05 times the diameter (d) of the thin part 2, and a ratio L/L0 of length L of the maximum diameter (1a) part to total length L0 of the thick part 1 is set to

公开(公告)号：JPH068364A

公开(公告)日：1994-01-18

申请号：JP34522591

申请日：1991-12-26

Applicant: TORAY INDUSTRIES ,  TOYO FLOCKING CO LTD

Inventor： KONNO YOSHIHIRO ,  TAKAHASHI HIROSHI ,  IWAMOTO SHIGEKI

IPC: B32B5/16 ,  B32B5/02

Abstract: PURPOSE:To provide an electric flocked product having excellent flock falling resistance and high flock erectility, flocked with staple fibers in high density, having the soft touch and improved in surface grade to a large extent. CONSTITUTION:Staple fibers such that the ratio of the max. diameter of a cut end part to the diameter of the central part in a fiber longitudinal direction is 2.0 or less, length is 3mm or less and a flatness ratio is 1.2 or more are subjected to flocking in a density of 30g/m or more.

公开(公告)号：JPH06905A

公开(公告)日：1994-01-11

申请号：JP16480392

申请日：1992-06-23

Applicant: TORAY INDUSTRIES

Inventor： KONNO YOSHIHIRO ,  TAKAHASHI HIROSHI

IPC: B05D1/14 ,  B32B5/02 ,  B32B5/16 ,  B32B27/36

Abstract: PURPOSE:To obtain vehicular trim material, which is excellent in flame retardancy while satisfies high class impression appealing to soft feeling and visual sensation by a method wherein polyester fiber having the specified fiber length and melt viscosity is flocked to the base material having the specified heat conductance by the specified fiber density or more. CONSTITUTION:By flocking polyester fiber, which is longer than the thickness of base material and has the melt viscosity of 1,000 poise or higher, to the base material having the heat conductance of 0.3cal/cm.s.deg or more by the fiber density of 50g/m or more, statically flocked flame retardant article for vehicular trim is made. In this case, the melt viscosity at 280 deg.C under the shearing rate of O/sec is employed. By the way, the preferable sectional shape of the polyester fiber is flat section from the view point of soft feeling and tendency for resisting against glock tilting and especially one having the flatness ratio (b/a) of 1.2 or more. Further, for imparting high class impression, the preferable shape of the polyester fiber is one, which prevents mirror reflection, concretely one having a large number of projected parts 2 on the outer peripheral surface of the fiber 1.

公开(公告)号：JPH0559610A

公开(公告)日：1993-03-09

申请号：JP21696191

申请日：1991-08-28

Applicant: TORAY INDUSTRIES

Inventor： KONNO YOSHIHIRO ,  MOCHIZUKI KATSUHIKO ,  TAKAHASHI HIROSHI

IPC: D01D5/253 ,  D01F6/62 ,  D06N7/00

Abstract: PURPOSE:To provide the subject fiber having a specific length and a specified flattening ratio, having projections on the outer circumference of its cross section, having a small ratio between the diameter at the center of the fiber and the diameter at the cut end of the fiber, giving an enhanced upright property and a high fiber density when flocked, and having improved falling resistance. CONSTITUTION:Polyethylene terephthalate having an intrinsic viscosity of 0.65 and containing 0.5wt.% of TiO2 is melted with a conventional pressure-melter- spinning machine, extruded through rectangular modified nozzles each having projections, cooled, and subsequently wound up at a rate of 1750m/min. The obtained un-drawn fibers are collected to form a tow, which is drawn in a 85 deg.C liquid bath, thermally treated in a relaxed state, and subsequently cut a guillotine cutter to obtain the objective polyester short fibers having a length of

公开(公告)号：JPH04370213A

公开(公告)日：1992-12-22

申请号：JP14182791

申请日：1991-06-13

Applicant: TORAY INDUSTRIES

Inventor： MOCHIZUKI KATSUHIKO ,  KONNO YOSHIHIRO ,  TAKAHASHI HIROSHI

IPC: D01D5/24 ,  D01D5/253

Abstract: PURPOSE:To provide the subject device giving a multi-angular hollow cross section fiber having a highly linear property on the sides of the cross section and a small curvature radius at the vertex by dissolution of an outer layer component by integrally assembling a specific upper feeding plate, a specified lower feeding plate and a specific spinneret plate. CONSTITUTION:An upper feeding plate 1 having a hole for feeding a polymer A, a lover feeding plate 2 having a modified shape hole 6 and at least three satellite holes 5 formed around the modified hole 6, and a spinneret plate 3 having an extrusion hole 6 are laminated to each other. The modified shape hole is communicated with the hole for feeding the polymer A, and the satellite holes are communicated with holes 9 for feeding some other polymer B. The extrusion hole is constituted of at least three slits 7 arranged in a circular or multi-angular shape state, and the center of the extrusion hole is arranged at a position corresponding to the center of the modified shape hole.

公开(公告)号：JPH04289223A

公开(公告)日：1992-10-14

申请号：JP5439591

申请日：1991-03-19

Applicant: TORAY INDUSTRIES

Inventor： KONNO YOSHIHIRO ,  TAKAHASHI HIROSHI ,  ITO SUEO

IPC: D01D5/253 ,  D01F6/62 ,  D01F8/04

Abstract: PURPOSE:To improve color-developing property of a synthetic fiber, particularly, polyester fiber containing a large amount of particles such as titanium oxide and being liable to cause failure of color developing property after dyeing when a large amount of particles, particularly of titanium oxide are blended at large amounts. CONSTITUTION:>=4 grooves continuing along fiber axis of a synthetic fiber, in which >=1.0wt.% particles are blended, having size specified in width and depth is provided to the synthetic fiber. Thereby color-developing property of not only black dyed fiber, but also other colored fiber can be remarkably improved even in the case of synthetic fiber in which a large quantity of particles are blended.

公开(公告)号：JPH03249216A

公开(公告)日：1991-11-07

申请号：JP4876190

申请日：1990-02-27

Applicant: TORAY INDUSTRIES

Inventor： KONNO YOSHIHIRO ,  TAKAHASHI HIROSHI

IPC: D01F6/92 ,  D01D5/34 ,  D01F8/14

Abstract: PURPOSE:To obtain the subject fiber having soft touch and excellent heat- insulation and suitable as a material for autumn or winter clothes by using a polyester containing sporadically dispersed polyolefin as a core component and a polyester free from polyolefin as a sheath component and conjugating both components at a specific ratio. CONSTITUTION:The objective fiber having a void content of >=5% after the heat-treatment at 160 deg.C for 5min is produced by conjugating (A) a core component consisting of a polyester containing 4-20wt.% of a polyolefin having a density of (preferably polypropylene, etc.) and dispersed in the form of islands of 0.05-5.0mum in size and (B) a sheath component consisting of a polyester (preferably same as the polyester of the core component) free from polyolefin. The conjugation ratio of the core component is >=70wt.%.

公开(公告)号：JPH01306646A

公开(公告)日：1989-12-11

申请号：JP13628188

申请日：1988-06-02

Applicant: TORAY INDUSTRIES

Inventor： SASAMOTO FUTOSHI ,  OKADA TAKEHIKO ,  KONNO YOSHIHIRO

IPC: D04B1/16 ,  D01F1/06 ,  D01F8/14 ,  D03D15/00 ,  D03D27/00 ,  D04B1/02

Abstract: PURPOSE:To obtain the title cloth having fixed % glossiness, fixed % reflectance, excellent light resistance and improved coloring properties, comprising polyethylene terephthalate, by using a polymer containing inorganic particles having a fixed reflectance at sheath part and spinning under a specific conjugated condition. CONSTITUTION:Under a conjugated condition satisfying the formula (L is width of sheath part of cross section of fiber; W is content of inorganic particle at sheath part), a polymer blended with inorganic particles such as titanium oxide having a higher reflectance than polyethylene terephthalate is used as a sheath part, polyethylene terephthalate containing no inorganic particles is utilized as a core part and conjugated spinning is carried out to give the aimed cloth useful as interior automotive trims such as automobile sheets, having 250-450% glossiness, 75-87% reflectance and excellent qualities free from a feeling of glittering.

公开(公告)号：JPS6461544A

公开(公告)日：1989-03-08

申请号：JP21349887

申请日：1987-08-26

Applicant: TORAY INDUSTRIES

Inventor： KONNO YOSHIHIRO ,  SUZUKI HISAO ,  UEDA NOBUYASU

IPC: D01F6/92 ,  D01F6/84 ,  D04B21/00 ,  E04G21/24

Abstract: PURPOSE: To provide a net for temporal construction that has excellent strength, durability and flame retardancy by using polyester fiber that contains a specific amount of a difunctional phosphorus compound, comprises polyester mainly including ethylene terephthalate units having specific physical properties. CONSTITUTION: The objective net is made of polyester fibers that contain a difunctional phosphorus compound (suitably 1,2-dimethylphosphine oxide or the like) in an amount of 0.2-1.0 wt.% calculated as elementary phosphorus, a polyester of which >=85 wt.% recurring units are ethylene terephthalate, has an intrinsic viscosity of >=0.65, a strength of >=6.0 g/d, and a yarn fineness of 200-800 deniers. The density of the fibers constituting the objective net is optimally 1.39 g/cm and the optical birefringence is >=135×10 . The objective net has semipermanent flame retardance, the fabric hand is soft and the dry cleaning can be applied thereto.

公开(公告)号：JPS62297323A

公开(公告)日：1987-12-24

申请号：JP14050886

申请日：1986-06-17

Applicant: TORAY INDUSTRIES

Inventor： USUI AKIRA ,  KONNO YOSHIHIRO ,  HORII KEI

IPC: C08G63/68 ,  C08G63/183 ,  C08G63/692 ,  C08G63/78 ,  C08G63/83 ,  D01F6/62

Abstract: PURPOSE:To obtain the titled polyester which is suitable for blended yarn fabric with cotton, useful as clothes and working clothes and has improved flame retardance and feeling, by blending polyester with a specific phosphorus compound and a metallic compound of Mg, Li or Ca. CONSTITUTION:(A) A raw material component having a repeating constituent unit comprising >=70mol% ethylene terephthalate is reacted and, at the early stage of polymerization, (B) 0.8-3.0wt% based on the component A of a phosphorus compound [e.g. (2-carboxyethyl)methylphosphinic acid, etc.] shown by formula I[R1 and R2 are H, 1-18C alkyl, etc.; R3 is aryl, etc.; A is (CnH2n) and n is 1-4] and (C) one or more metallic compounds of Mg, Li and Ca are added to the component A in such a way that correlation shown by formula II(P is amount of the component B added based on acid component; M is amount of the metallic element added based on the acid component) is satisfied and polycondensation is carried out to give the aimed polyester.