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US 5,962,629 AGranted
Amine-terminated polyamide in oil-in-water emulsion
AssigneeShell Oil Company
InventorsLarry Steven Corley, Derek Scott Kincaid, Glenda Carole Young
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Abstract
An epoxy resin composition containing a) an epoxy resin, b) a liquid amine terminated polyamine curing agent prepared by condensing an aminoalkylpiperazine and a dicarboxylic acid, and (c) water. An aqueous dispersion of the amine terminated polyamine curing agent used in this invention is useful as a curing agent for water borne applications.
Claims5
An aqueous dispersion of an amine terminated polyamide comprising:
- (a) a liquid amine terminated polyamide prepared by reacting at least one C.sub.18 -C.sub.50 dicarboxylic acid, dicarboxylic acid ester or dicarboxylic acid chloride and an amine compound consisting of an aminoalkylpiperazine wherein the ratio of moles of aminoalkylpiperazine to equivalents of carboxyl groups in the acid is greater than 0.75:1;
- and
- (b) water;
- wherein said polyamide is mixed with water to provide an oil-in-water emulsion.
1 more element
Dependencies are inferred from the claim text.