PROCEDE PERMETTANT D'EVITER LA COLORATION DES COPOLYMERES ETHYLENE/ACETATE DE VINYLE HYDROLYSES ET PRODUITS OBTENUS PAR CE PROCEDE

摘要

A process for the hydrolysis of a solid interpolymer of an ethylenically unsaturated hydrocarbon and a vinyl ester of a 2-6 carbon atom aliphatic carboxylic acid to products having a low yellowness index involves contacting of the solid interpolymer with a substantially anhydrous hydrolyzing agent and subjecting at least one of said interpolymer and said hydrolyzing agent to radiation.