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US 5,973,082 AGranted
Epoxidized vegetable oil modification of epoxy esters
AssigneeShell Oil Company
InventorJim D. Elmore
Life of this patent
Estimating the term…
Abstract
High solids coating compositions are made from organic solvent solutions of (A), the reaction product of (1) an epoxidized vegetable oil, (2) a diglycidyl ether of a dihydric phenol, and (3) a dihydric phenol, reacted with (B) an unsaturated fatty acid, and (C) an alkylacetoacetate.
Claims19
An epoxy ester composition comprising
- (A) the reaction product of
- (1) an epoxidized vegetable oil adduct having an epoxide equivalent weight of about 400 to about 475, said epoxidized vegetable oil adduct is a reaction product of an epoxidized vegetable oil selected from the group consisting of epoxidized linseed oils, epoxidized soybean oils, epoxidized corn oils, epoxidized cotton seed oils, epoxidized perilla oils and epoxidized safflower oils having an epoxide equivalent weight of about 225 to about 475 and a monocarboxylic acid or monohydric phenol;
- (2) a diglycidyl ether of a dihydric phenol having an epoxide equivalent weight of about 115 to about 250;
- and
- (3) a dihydric phenol;
- reacted with
- (B) an unsaturated fatty acid;
- and
- (C) an alkylacetoacetate,
- wherein (1), (2) and (3) are reacted in such amounts that about 1.2 to about 1.5 epoxy groups of (1) and (2) are present for each phenolic group of (3), and
- wherein (1) is present in the amount of about 15 to about 35 weight percent based on the weight of (1), (2) and (3),
- wherein (B) is reacted in the amount of about 15 to about 40 weight percent based on the total weight of said epoxy ester composition, and
- wherein (C) is reacted in the amount of about 3 to about 10 weight percent based on the total weight of said epoxy ester composition.
10 more elements
A process for the preparation of an epoxy ester comprising:
- (a) reacting an epoxidized vegetable oil selected from the group consisting of epoxidized linseed oils, epoxidized soybean oils, epoxidized corn oils, epoxidized cotton seed oils, epoxidized perilla oils and epoxidized safflower oils having an epoxide equivalent weight of about 225 to about 475 and a monocarboxylic acid or monohydric phenol in the presence of a catalyst under conditions effective to provide an epoxidized vegetable oil adduct having an epoxide equivalent weight of about 400 to about 475;
- (b) reacting the epoxidized vegetable oil adduct, a diglycidyl ether of a dihydric phenol having an epoxide equivalent weight of about 115 to about 250, and a dihydric phenol to produce a higher molecular weight resin;
- and
- (c) reacting the higher molecular weight resin, an unsaturated fatty acid and an alkylacetoacetate to produce the epoxy ester.
1 more element
Dependencies are inferred from the claim text.