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Microfiber-reinforced porous polymer film and a method for manufacturing the same and composites made thereof

  • US 5,545,475 A
  • Filed: 07/05/1995
  • Issued: 08/13/1996
  • Est. Priority Date: 09/20/1994
  • Status: Expired due to Term
First Claim
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1. A porous composite sheet comprising:

  • (a) polytetrafluoroethylene; and

    (b) liquid crystal polymer;

    said sheet formed from a mixture of polytetrafluoroethylene particulate and liquid crystal polymer particulate;

    said sheet having a concentration of liquid crystal polymer in the range 2 to 85 volume percent.

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