Polyols derived from a vegetable oil using an oxidation process
AssigneeSouth Dakota Soybean Processors
InventorsEric J. Geiger, Nicole M. Becker, Lawrence A. Armbruster
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Abstract
A method for producing a vegetable oil-derived polyol having increased hydroxyl functionality by reacting a vegetable oil with an oxidizing agent in the presence of an organometallic catalyst is provided. The resulting higher functionality polyols derived from vegetable oil produced by the process are also provided. Also provided is a method for decreasing the acid value of a vegetable oil-derived polyol by reacting the vegetable oil-derived polyol with an epoxide component in the presence of a Lewis base catalyst. Urethane products produced using higher functional vegetable oil-derived polyols and/or lower acid vegetable oil-derived polyols are also provided.
Claims10
A method of producing a vegetable oil-derived polyol comprising:
- heating a vegetable oil to a reaction temperature of from about 95° C. to about 150° C.;
- and
- reacting the vegetable oil with an oxidizing agent in the presence of an oxidation catalyst for a reaction time of from 27 to 140 hours, while maintaining the reaction temperature between about 95° C. to about 150° C. during the reaction time to form a vegetable oil-derived polyol that has a hydroxyl value greater than about 56 mg KOH/gram vegetable oil-derived polyol.
Dependencies are inferred from the claim text.