Oligomeric cyanoguanidines

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

400/7930, 260/48

C07C 279/28 (2006.01) C08G 18/02 (2006.01) C08G 59/40 (2006.01)

Patent

CA 1339577

Oligomeric cyanoguanidines of formula I (see fig.I) wherein, for example, R1 and R2 are each phenyl, R is 1,4-phenylene and n is an integer from 1 to 20, are suitable latent hardeners for epoxy resins. They are readily soluble in solvents suitable for the application of epoxy resins, and the cured products obtained therewith have a high glass transition temperature.

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