Mechanical Properties of Poly(ethylene terephthalate) Fiber Produced by Conjugate Melt Spinning with Polystyrene and CO2 Laser-Heated Drawing

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  • Nakata Kazuhiro
    Faculty of Textile Science and Technology, Shinshu University 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
  • Ohkoshi Yutaka
    Faculty of Textile Science and Technology, Shinshu University 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
  • Gotoh Yasuo
    Faculty of Textile Science and Technology, Shinshu University 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
  • Nagura Masanobu
    Faculty of Textile Science and Technology, Shinshu University 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
  • Funatsu Yoshitsugu
    Japan Chemical Innovation Institute [JCII], 3-29-8, Kitasenzoku, Ohta-ku, Tokyo 145-0062, Japan Toray Industries, Inc. Fibers and Textiles Research Laboratories, 4485 Mishima, Shizuoka, 411-8652
  • Kikutani Takeshi
    Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1, O-okayama, Meguro-ku, Tokyo 152-8552, Japan

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Abstract

Poly(ethylene terephthalate) (PET) fiber is obtained by polystyrene (PS)/PET sheath/core conjugate melt spinning and removal of the PS component. The fiber is drawn under heating using a carbon dioxide (CO2) laser. The drawn PET fibers, obtained by PS/PET (80/20) conjugate melt-spinning with take-up velocity of 7?km/min, exhibit higher tensile strength for a given birefringence than that of the corresponding single-component spun and drawn PET fiber.

Journal

  • Sen'i Gakkaishi

    Sen'i Gakkaishi 60 (11), 352-355, 2004

    The Society of Fiber Science and Technology, Japan

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