C - Chemistry – Metallurgy – 08 – G
Patent
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 2101215
Polymers and copolymers resulting from the addition reaction of oligomers with di-carboxyl end groups and bisoxazines or bisoxazolines, and process for obtaining these ABSTRACT Polymers and copolymers comprising at least one recurring unit of the formula: Image in which; - R is a simple bond or a hydrocarbon chain, - R' is a hydrocarbon chain having two or three carbon atoms, and - P is the radical of an oligomer Image whose solution viscosity, determined in meta-cresol at 30°C at a concentration of 0.5 g/dl, is less than 0.50 dl.g-l. Process for obtaining these polymers and copolymers.
Douhi Abderrahim
Fradet Alain
Judas Didier
Elf Atochem S.a.
Robic
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