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Branched polyaryl-sulphone/polycarbonate mixtures and their use for the production of extruded films

  • US 4,152,367 A
  • Filed: 07/25/1978
  • Issued: 05/01/1979
  • Est. Priority Date: 08/04/1977
  • Status: Expired due to Term
First Claim
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1. A polyaryl-sulphone polycarbonate mixture comprising 95% by weight to 30% by weight of a branched polyaryl-sulphone and of 5% by weight to 70% by weight of a polycarbonate with a Mw (weight-average molecular weight) greater than about 60,000.

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