Latent urethane resin systems

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 18/32 (2006.01) C08G 18/10 (2006.01)

Patent

CA 1190000

Abstract of the Disclosure Urethane resins containing, as latent hardeners, the reaction products of an acid anhydride or imide, such as phthalic anhydride, and an aromatic or cycloaliphatic polyamine, said resin systems being stable for long periods when stored at ambient or moderately elevated temperatures while providing on curing for relatively short periods at elevated temperatures, on the order of 100-150°C., hardened products of good properties.

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