| abstract |
TITLE COPOLYETHERKETONES ABSTRACT Novel copolyetherketones derived from diphenyl ether and aromatic diacids or diacid halides are disclosed where the diphenyl ether is present in a molar excess relative to the diacid or diacid halide of about 2 to 8%. The copolyetherketones may be shaped into articles using, for example, extrusion, injection molding, compression molding and sintering techniques. Such articles include films, tapes, filaments, mechanical and electrical parts and coatings. |