| abstract |
PURPOSE: To obtain a vinyl ester resin excellent in corrosion inhibition and air dryability, by incorporating an allyl ether group in a specified product compound. n CONSTITUTION: A product compound is obtained by reacting the epoxy groups of an epoxy resin with an unsaturated monobasic acid [e.g., (meth)acrylic acid] part of which may be replaced with a half-ester carboxylic acid obtained by reacting a polyallyl ether monoalcohol (e.g., glycerin diallyl ether) with a dibasic acid anhydride (e.g., maleic anhydride) at 80W150°C in the presence of a polymerization inhibitor and an esterification catalyst and, if desired, effecting an addition reaction between the OH group in the reaction product and a dibasic acid anhydride to form a half-ester carboxylic acid. This product compound is reacted with allyl glycidyl ether or glycidyl (meth)acrylate to incorporate at least one allyl ether group per epoxymethacryl molecule in the product compound. n COPYRIGHT: (C)1986,JPO&Japio |