Di-carboxy terminated oligomer and bisimidazoline addition...

C - Chemistry – Metallurgy – 07 – D

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C07D 233/04 (2006.01) C08G 63/91 (2006.01) C08G 65/332 (2006.01) C08G 65/333 (2006.01) C08G 69/40 (2006.01) C08G 69/44 (2006.01) C08G 69/48 (2006.01) C08G 81/00 (2006.01)

Patent

CA 2175151

Polymers and copolymers are provided comprising at least one recurring unit of formula: Image in which R is a single bond, a linear hydrocarbon chain; R' is an aliphatic or aromatic hydrocarbon chain, which may be substituted, and of which the shortes chain linking the two neighboring --NH-- units carries two or three carbon atoms, and Image is the moiety of an ologomer of formula: Image as well as a process for obtaining these polymers and copolymers.

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