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Self-reinforced ultra-high molecular weight polyethylene composites

  • US 5,824,411 A
  • Filed: 06/07/1995
  • Issued: 10/20/1998
  • Est. Priority Date: 08/20/1993
  • Status: Expired due to Term
First Claim
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1. A composite of high tensile and impact strength, elastic modulus, and creep resistance, the composite comprising:

  • an essentially non-oriented matrix of an ultra-high molecular weight polyethylene polymer; and

    a reinforcement of ultra-high molecular weight polyethylene dispersed in and bonded to said matrix in sufficient amount to increase the tensile and impact strength, elastic modulus, and creep resistance of the composite above the tensile and impact strength, elastic modulus, and creep resistance of non-reinforced ultra-high molecular weight polyethylene matrix polymer, the reinforcement comprising up to about 12 percent by weight of the composite, the reinforcement selected from the group consisting of fibers, plies of fibers, and textile constructs;

    wherein a unidirectionally reinforced segment of the composite exhibits a transverse strength equal to or greater than the strength of a non-reinforced ultra-high molecular weight polyethylene matrix polymer of substantially similar dimensions.

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