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    Heat-sensitive stencil paper
    11.
    发明专利
    Heat-sensitive stencil paper 未知

    公开(公告)号：HK1010710A1

    公开(公告)日：1999-06-25

    申请号：HK98111429

    申请日：1998-10-21

    Applicant: TORAY INDUSTRIES

    Inventor： SUZUKI MASARU ,  TSUNASHIMA KENJI ,  FUKUHARA MOTOTADA ,  OSAKI KATSUMASA

    IPC: B41N1/24 ,  B41N

    Abstract: This invention discloses heat-sensitive stencil paper and a production method thereof. Since no adhesive is used in this paper, the permeability to printing ink is not affected, and thus high-quality prints are obtained. The elimination of the use of adhesive prevents the decrease in resistance to ink, the adhesion to a thermal head, and emission of toxicious chlorine and improves the stability of film coating and productivity. This stencil paper is obtained by thermally bonding a polyester film and a porous support comprising a polyester fiber and co-stretching them, and the peel strength between the film and the porous support is at least 1 g/cm. Accordingly, prints obtained by stencil printing have very high quality.

    14.
    发明专利
    未知

    公开(公告)号：DE68926617D1

    公开(公告)日：1996-07-11

    申请号：DE68926617

    申请日：1989-12-04

    Applicant: TORAY INDUSTRIES

    Inventor： ITOU YOSHIMITSU ,  FUKUHARA MOTOTADA ,  KISHIRO AKIRA

    IPC: B41N1/24 ,  D01F8/14 ,  D03D15/00 ,  D03D1/00

    Abstract: A polyester composite monofilament for screen gauze comprises (a) a sheath part made of a polyester having a glass transition temp (Tg) of 35-73 deg C, and (b) a core part made of a polyester having a higher Tg surface area ratio of (b) to (a) is 70:30-95:5. The strength at break of the monofilament is at least 6g/d and its modulus at elongation of 10% is at elast 3.5 g/d. Pref both sheath and core comprise polyester copolymer formed mainly of polyethylene terephthalate (PET). Pref the sheath component is made by copolymerising at least one of dimer acid, adipic acid, sebacic acid and a cpd of formula R10(CnH2no)mR2 (I) with polyethylene terephthalate. In (I), R1 and R2 = 1-4C alkyl, n = 2-5 and m = 2-250. The monofilament has a concentric core/sheath structure, has a denier less than 9 or it may have at least 5 cores, each core having a strength of at 3d.

    15.
    发明专利
    未知

    公开(公告)号：AT138983T

    公开(公告)日：1996-06-15

    申请号：AT89913175

    申请日：1989-12-04

    Applicant: TORAY INDUSTRIES

    Inventor： ITOU YOSHIMITSU ,  FUKUHARA MOTOTADA ,  KISHIRO AKIRA

    IPC: B41N1/24 ,  D01F8/14 ,  D03D15/00 ,  D03D1/00

    Abstract: A polyester composite monofilament for screen gauze comprises (a) a sheath part made of a polyester having a glass transition temp (Tg) of 35-73 deg C, and (b) a core part made of a polyester having a higher Tg surface area ratio of (b) to (a) is 70:30-95:5. The strength at break of the monofilament is at least 6g/d and its modulus at elongation of 10% is at elast 3.5 g/d. Pref both sheath and core comprise polyester copolymer formed mainly of polyethylene terephthalate (PET). Pref the sheath component is made by copolymerising at least one of dimer acid, adipic acid, sebacic acid and a cpd of formula R10(CnH2no)mR2 (I) with polyethylene terephthalate. In (I), R1 and R2 = 1-4C alkyl, n = 2-5 and m = 2-250. The monofilament has a concentric core/sheath structure, has a denier less than 9 or it may have at least 5 cores, each core having a strength of at 3d.

    16.
    发明专利
    未知

    公开(公告)号：DE1785274A1

    公开(公告)日：1972-04-13

    申请号：DE1785274

    申请日：1968-09-05

    Applicant: TORAY INDUSTRIES

    Inventor： FUKUHARA MOTOTADA ,  UENO AKIRA ,  NIHEI ISAO ,  SANO CHIKARA

    IPC: D01D5/30 ,  D02G3/02

    Abstract: 1,195,957. Composite filaments. TORAY INDUSTRIES Inc. 3 Sept., 1968 [6 Sept., 1967], No. 41874/68. Heading B5B. [Also in Divisions D1-D2] A crimpable composite filament yarn comprises at least a single filament composed of two kinds of polyesters eccentrically arranged in the cross-section of the filament (including side-byside arrangement), the filament being provided with crimps the number of which is in the range 16-35 crimps/cm. after treatment with boiling water, the maximum stress of shrinkage of the filaments being larger than 50 mg./denier, and the temperature corresponding to said maximum stress being lower than 190‹ C. The difference in intrinsic viscosities of the polyesters is larger than 0À05. In a preferred embodiment the intrinsic viscosity of one polyester is in the range 0À6 to 0À85 and that of the other polyester is in the range 0À45 to 0À55. In the production of yarn, the two polymers are melted separately and spun together through a spinneret. A calm cylindrical zone is provided immediately following the spinneret and in front of a coagulating air stream. The strand of filaments is then collected into a package. The strand of filaments is then passed through a draw zone over a heated pin and a heated plate and wound into a cop. The drawn filament yarn is then passed through a thermal relaxation zone and the crimped yarn wound on to a bobbin. The yarn is used in the manufacture of crepe fabric and gives a " pebble " contraction of the fabric larger than 40%. Several examples of suitable polyesters are given in the Specification.

    METHOD FOR PRODUCING POLYESTER FIBER
    19.
    发明专利
    METHOD FOR PRODUCING POLYESTER FIBER 失效

    公开(公告)号：JP2001348727A

    公开(公告)日：2001-12-21

    申请号：JP2000165545

    申请日：2000-06-02

    Applicant: TORAY INDUSTRIES

    Inventor： FUNATSU YOSHIJI ,  KURODA MASATO ,  FUKUHARA MOTOTADA

    IPC: D01F6/62 ,  D01D5/08 ,  D02J1/22

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a high-strength fiber in good productivity while saving the space and energy. SOLUTION: This method for producing a polyester fiber is characterized in that a polyester undrawn fiber having =0.020 birefringence Δn is irradiated with a laser beam, and subjected to a substantial one-step drawing at >=50 m/min drawing speed to provide the fiber having >=1.360 g/cm3 density, >=0.130 Δn, and

    METHOD FOR PRODUCING PARTIALLY HOLLOW POLYESTER YARN
    20.
    发明专利
    METHOD FOR PRODUCING PARTIALLY HOLLOW POLYESTER YARN 失效

    公开(公告)号：JP2001207340A

    公开(公告)日：2001-08-03

    申请号：JP2000020006

    申请日：2000-01-28

    Applicant: TORAY INDUSTRIES

    Inventor： OCHI TAKASHI ,  KIDAI AKIRA ,  FUKUHARA MOTOTADA

    IPC: D01F6/62 ,  D01D5/24 ,  D01F8/10 ,  D01F8/14

    Abstract: PROBLEM TO BE SOLVED: To provide a low-cost method for producing a partially hollow polyester yarn for forming a fabric capable of solving defects of the prior art and excellent in touch feeling, fabric surface aesthetic properties and lightweight properties. SOLUTION: This method for producing a partially hollow polyester yarn is characterized in that a core-sheath conjugate yarn comprising (A) a polymer which is substantially a polyester and arranged in a sheath part and (B) a polymer having a greater temperature dependence of elongational viscosity than that of the polymer (A) and arranged in an amount of 2-15 wt.% based on the total weight of the core-sheath conjugate yarn in a core part is spun at

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