Water reducible epoxy resin curing agent

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 59/50 (2006.01) C08G 59/14 (2006.01) C08G 59/18 (2006.01) C09D 163/00 (2006.01) C09D 163/02 (2006.01) C09D 163/04 (2006.01)

Patent

CA 2055796

A curing agent for a water borne epoxy resin composition wherein the curing agent is the reaction product of a chemical excess of a polyfunctional epoxide compound and a quaternary ammonium salt in which substantially all of the excess epoxide groups in the reaction product are subsequently consumed in a reaction with a polyamine. A process for preparing the curing agent and a hardenable film forming coating composition containing as essential components, the curing agent, at least one water dispersible epoxy resin and water is also disclosed.

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