Thermoplastically processible aromatic polyetheramide,...

Details Thermoplastically processible aromatic polyetheramide,... Thermoplastically processible aromatic polyetheramide,...

C - Chemistry, Metallurgy

08

G

402/238

C08G 69/32 (2006.01) C08G 69/40 (2006.01)

Patent

CA 1329299

A B S T R A C T A thermoplastically processible aromatic polyetheramide, in which the structure comprises the repeating units of the formulae -CO-Ar-CO- (A) and -NH-Ar-O-Ar-X-Ar-O-Ar-NH- (B) in which Ar signifies a bivalent unsubstituted or sub- stituted aromatic radical having 6 carbon atoms, and whose linkages are in the p-position and X denotes a 2,2- propylidene linkage, the polyetheramide having an intrin- sic viscosity [.pi.] in the range of 50 to 750 cm3/g, and a glass transition temperature of above 200°C, and a process for its production. The production of the polyetheramide is carried out by a low temperature solution condensation process, a solid phase condensation process, an inter- facial condensation process or a melt condensation process. The polyetheramide is used for the production of molded articles in the form of filaments, wires, films and other moldings, which are produced by extrusion, press-molding or injection molding of the dry polyetheramide in powder form or by processing of solutions of the polyetheramide.

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