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High strength polyethylene fibers and their applications

  • US 20030203203A1
  • Filed: 04/02/2003
  • Published: 10/30/2003
  • Est. Priority Date: 08/11/1999
  • Status: Active Grant
First Claim
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1. A high strength polyethylene fiber characterized in that:

  • the fiber comprises a high molecular weight polyethylene consisting essentially of a repeating unit of ethylene;

    it has an intrinsic viscosity number of 5 or larger and an average strength of 22 cN/dtex or higher; and

    the measurement of the fiber by differential scanning calorimetry (DSC) exhibits a temperature-increasing DCS curve having at least one endothermic peak over a temperature region of 140°

    C. to 148°

    C. (on the low temperature side) and at least one endothermic peak over a temperature region of 148°

    C. or higher (on the high temperature side).

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