METHOD FOR THE MANUFACTURE OF ACRYLIC OR METHACRYLIC ACID

摘要

A catalyst for the manufacture of acrylic acid or methacrylic acid by the oxidation of propylene, acrolein, or isobutylene whereby said catalyst is prepared by reducing a palladium salt or palladium metal to palladium with a reducing agent such as propylene in an oxygen-free single or two phase aqueo us organic solvent containing as a co-solvent a maximum concentration of a C2-C 6 carboxylic acid or C3-C6 ketone.