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Thermoformable polyaryletherketone sheet

  • US 4,996,287 A
  • Filed: 12/13/1988
  • Issued: 02/26/1991
  • Est. Priority Date: 12/13/1988
  • Status: Expired due to Term
First Claim
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1. A polyaryletherketone sheet having a thickness of about 625 to 5000 micrometers, wherein the polyaryletherketone has a crystallinity of less than about 5% and consists essentially of repeating units selected from the group represented by the following formulas I, II, or III:

  • ##STR3## wherein Ph is either the 1,4-phenylene or the 1,3-phenylene group provided that the 1,4-phenylene to 1,3 phenylene isomer ratio is 70;

    30 to 0;

    100.

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