Manufacture of polyvinylpyrrolidone

Details Manufacture of polyvinylpyrrolidone Manufacture of polyvinylpyrrolidone

C - Chemistry, Metallurgy

08

F

402/480

C08F 126/08 (2006.01) C08F 126/10 (2006.01)

Patent

CA 1057894

ABSTRACT Polyvinylpyrrolidone is manufactured by polymerization of vinylpyrrolidone in an organic solvent in the pre- sence of organic per-compounds wherein an anhydrous organic solvent is used and a heavy metal of atomic number from 23 to 29, in the form of a complex compound or a salt with an organic acid, is added as a co-activator. The polyvinylpyrrolidone manufactured according to the invention is used for pharmaceutical or cosmetic purposes, especially for the manufacture of polyvinylpyrrolidone-iodine.

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