C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 59/18 (2006.01) C08G 59/50 (2006.01) C08L 63/00 (2006.01) C08L 71/02 (2006.01) C09D 163/00 (2006.01)
Patent
CA 2124831
A water miscible or soluble amine terminated resin useful as a curing agent comprising the reaction product of: A) a polya- mine component comprising one or more hydrophilic amine terminated polyalkylene glycols, and optionally one or more hydro- phobic polyamines; B) a polyepoxide component comprising one or more diglycidyl ethers of a polyalkylene glycol, one or more diglycidyl ethers of a cycloalkylene glycol and optionally one or more hydrophobic polyglycidyl ethers, wherein the mixture is op- tionally advanced by an amine extender; C) optionally, a reactive diluent which is capable of reacting with an epoxy resin; and D) optionally, a catalyst for the reaction of an amine with an epoxy resin; wherein Component A is employed in an equivalent excess with respect to Component B such that the terminal moieties of the reaction product are amine moieties capable of react- ing with an epoxy resin; the composition has an amine hydroxy equivalent weight of from 140 to 240; and the composition is wa- ter soluble or water miscible. In preferred embodiments such amine terminated resin is an efficient pigment grinding vehicle. The aminate terminated resin can be dispersed in water with a polyepoxide to form a coating composition.
Klein Dieter H.
Wessely Hans J.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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