Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-11-27
1993-04-20
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523402, 525504, 528119, C08L 6300, C08L 6302, C08L 6304
Patent
active
052043851
ABSTRACT:
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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Aylward D. E.
Bleutge John C.
Reichhold Chemicals Inc.
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