Polyetherimide compositions, methods of manufacture, and articles formed therefrom

Polyetherimide compositions, methods of manufacture, and articles formed therefrom

  • CN 104,520,351 A
  • Filed: 10/03/2013
  • Published: 04/15/2015
  • Est. Priority Date: 10/03/2012
  • Status: Active Grant
First Claim
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1. for the manufacture of a method for polyetherimide compositions, described method comprises alternatively in the presence of solvent, with being selected from guanidinesalt, pyridinium salt, imidazole salts, four (C 6-24) aryl ammonium salt, four (C 7-24aryl alkylene) ammonium salt, dialkyl group heterocyclic-aliphatic ammonium salt, dialkyl quats salt, (C 7-24aryl alkylene) (C 1-16alkyl) phosphonium salt, (C 6-24aryl) (C 1-16alkyl) phosphonium salt, phosphonitrile salt and the catalyst dianhydride of their combination and the reaction of organic diamine, contain the described polyetherimide compositions of described catalyst residue and polyetherimide with providing package;

  • Wherein,Described dianhydride has following formula;

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