Polymer scale preventive agent and method of preventing...

Details Polymer scale preventive agent and method of preventing... Polymer scale preventive agent and method of preventing...

C - Chemistry, Metallurgy

08

F

C08F 114/00 (2006.01) C08F 2/00 (2006.01) C08L 41/00 (2006.01)

Patent

CA 2047026

ABSTRACT OF DISCLOSURE Polymer scale preventive agent and method of preventing A polymer scale preventive agent for use in polymerization of a monomer having an ethylenic double bond comprising a haloethylene having the general formula (I): Image ( I ) wherein X is a halogen atom, and R is a hydrogen atom or a halogen atom, said agent comprising: (A) an aromatic compound having at least one group selected from the class consisting of primary, secondary and tertiary amino groups and the quaternary ammonium group and/or a dye having at least one group selected from said class, (B) at least one compound selected from the group con- sisting of alkali metal salts and ammonium salts of a polyvinylsulfuric acid, and optionally (C) a naphthoquinone natural dye. The agent is coated on the inner wall surfaces, etc. of a polymerization vessel. Polymer scale deposition can be effectively prevented.

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