Polymers and copolymers originating from the addition of...

Details Polymers and copolymers originating from the addition of... Polymers and copolymers originating from the addition of...

C - Chemistry, Metallurgy

08

G

C08G 83/00 (2006.01) C08G 63/91 (2006.01) C08G 65/333 (2006.01) C08G 65/48 (2006.01) C08G 69/48 (2006.01)

Patent

CA 2101213

Polymers and copolymers originating from the addition of oligomers containing diamino and dihydroxy ends and of bisoxazinones or bisoxazolinones, and process for obtaining them ABSTRACT Polymers and copolymers containing at least one repeat unit of formula: Image in which: - X is O or NH, - R is a single bond or a hydrocarbon chain, - R' is a hydrocarbon chain containing one or two carbon atoms, - P is the residue of an oligomer HX-P-XH whose solution viscosity determined in meta-cresol at 30°C at concentra- tions of 0.5 g/dl is lower than 0.50 dl g-1. Process for obtaining these polymers and copolymers. Fig. none.

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