Process for the purification of polyvinyl chloride

Details Process for the purification of polyvinyl chloride Process for the purification of polyvinyl chloride

C - Chemistry, Metallurgy

08

F

402/5.5

C08F 6/24 (2006.01) C08F 6/00 (2006.01) C08F 14/06 (2006.01)

Patent

CA 1094734

PROCESS FOR THE PURIFICATION OF POLYVINYL CHLORIDE Inventor: Martin L. Feldman, a citizen of the United States of America, residing at East Brunswick, County of Middlesex, State of New Jersey. Abstract of the Disclosure The discoloration of polyvinyl chloride that usually occurs when a slurry containing this polymer is heated at a temperature above 70°C. to reduce its monomer content to less than 10 ppm is minimized or prevented by carrying out the heating step in the presence of an oxidizing agent. - 1 -

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