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Ultra-high-strength polyethylene filaments by solution spinning/drawing

Abstract

This paper deals with ultra-high-strength monofilaments of linear polyethylene that are produced by solution spinning and subsequent hot drawing at 120° C. The influence of the draw ratio on the mechanical and thermal properties of the fibres was investigated. Some salient features of a polyethylene filament with a draw ratio of 31.7 are: tensile strength at break=3.0 GPa, Young's modulus=90 GPa and DSC-melting point at a scan speed of 10° C min−1=145.5° C. The modulus was found to depend linearly on the draw ratio. The tensile strength tended, by contrast, to approach an upper limit at high draw ratios. Additional morphological and X-ray studies revealed an extremely good orientation of the macromolecules in the fibre direction of the highly drawn polyethylene monofilaments.

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Smith, P., Lemstra, P.J. Ultra-high-strength polyethylene filaments by solution spinning/drawing. J Mater Sci 15, 505–514 (1980). https://doi.org/10.1007/BF00551705

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  • DOI: https://doi.org/10.1007/BF00551705

Keywords

  • Polymer
  • Tensile Strength
  • Polyethylene
  • Macromolecule
  • Thermal Property