PROCESS: FOR PREPARING ALKYDE RESIN Russian patent published in 1995 - IPC

FIELD: organic compounds. SUBSTANCE: the synthesis is carried out by reacting dicarboxylic acid anhydride selected from the group consisting of endonorbornen-2,3-dicarboxylic acid anhydride, isomethyltetrahydrophthalic anhydride, phthalic anhydride or mixtures thereof with glycerol or pentaerythrite and crude tall oil at 150-160 C in an inert gas atmosphere in the presence of water at a dicarboxylic acid anhydride to water of 1:(0.03- 0.1). The resulting resin is dissolved in xylene, 5 wt % siccative (calcium stearate) are added. Varnish is applied onto metallic and glass plates and hot dried at 140 C for 2 hr. EFFECT: improved properties of the alkyde resin. 2 tbl