Polymer scale preventive agent polymerization vessel...

Details Polymer scale preventive agent polymerization vessel... Polymer scale preventive agent polymerization vessel...

C - Chemistry, Metallurgy

08

L

C08L 41/00 (2006.01) B01J 19/02 (2006.01) C08F 2/00 (2006.01) C08F 14/00 (2006.01)

Patent

CA 2066512

ABSTRACT OF THE DISCLOSURE A polymer scale preventive agent for use in polymerization of a haloethylene or a monomer mixture containing the same, comprising: (A) an aromatic compound having at least one group selected from the class consisting of primary, secondary and tertiary amino groups, quaternary ammonium groups and the azo group and/or a dye having at least one group selected from said class, and (B) an alkali metal or ammonium salt of a polyvinylsulfonic acid, and (C) a naphthoquinone natural dye; a polymerization vessel having a coating comprising said scale preventive agnet. A process of preparing a haloethylene polymer using the vessel can produce a polymer of high quality without polymer scale deposition.

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