Process for preparing vinylpyrrolidone polymer

Details Process for preparing vinylpyrrolidone polymer Process for preparing vinylpyrrolidone polymer

C - Chemistry, Metallurgy

08

F

C08F 26/10 (2006.01) C08F 16/10 (2006.01) C08F 226/10 (2006.01)

Patent

CA 2363730

A vinylpyrrolidone polymer which is free from coloration and odor and is extremely reduced in impurity content. A water-soluble organic peroxide and a sulfurous acid salt are added to an aqueous vinylpyrrolidone solution to polymerize the vinylpyrrolidone.

L'invention concerne un polymère de vinylpirrolidone dépourvu de coloration et d'odeur et dont la teneur en impuretés est extrêmement réduite. Un peroxyde organique hydrosoluble et un sel d'acide sulfureux sont ajoutés à une solution de vinylpirrolidone aqueuse afin de polymériser le vinylpirrolidone.

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