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Extruded closed cell thermoplastic foam

  • US 4,656,074 A
  • Filed: 04/09/1985
  • Issued: 04/07/1987
  • Est. Priority Date: 04/09/1985
  • Status: Expired due to Fees
First Claim
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1. An extruded chemically post-blown resilient non-crosslinked closed cell thermoplastic foam comprising a blend of chlorinated polyethylene and at least one other thermoplastic polymer selected from the group consisting of polyurethane, polyamide, styrenic and olefin resins, the amount of chlorinated polyethylene, by weight, being from 0.025 to 0.5 parts per part of said at least one thermoplastic polymer, and said foam having a substantially uniform size closed cell structure.

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