PREPARATION OF POLYVINYLPYRROLIDONE OR VINYLPYRROLIDONE/VINYL ACETATE COPOLYMERS OF VARIOUS MOLECULAR WEIGHTS USING A SINGLE INITIATOR SYSTEM

摘要

FDN-1383/1399 PREPARATION OF POLYVINYLPYRROLIDONE OR VINYLPYRROLIDONE/VINYL ACETATE COPOLYMERS OF VARIOUS MOLECULAR WEIGHTS USING A SINGLE INITIATOR SYSTEM Vinylpyrrolidone or vinylpyrrolidone and vinyl acetate monomers are polymerized using free radical initiator consisting of t-Butylperoxypivalate and preferably in solvent consisting essentially of water, isopropyl alcohol, sec. butyl alcohol or mixtures thereof to produce polyvinylpyrrolidone or vinylpyrrolidone/vinyl acetate copolymer.