Continuous polymerization of chloroprene

Details Continuous polymerization of chloroprene Continuous polymerization of chloroprene

C - Chemistry, Metallurgy

08

F

402/448, 402/471

C08F 2/24 (2006.01) C08F 36/18 (2006.01)

Patent

CA 1193047

Abstract of the Disclosure A process for the production of storage poly- chloroprene having reduced tackiness on mixing rolls by the continuous polymerization of chloroprene and, optionally, up to 50 %, by weight, of a monomer copoly- merizable with chloroprene in aqueous alkaline emulsion in the presence of emulsifiers and radical initiators at temperatures of from 0 to 70°C, followed by isolation, characterized in that from 90 to 150 parts, by weight, of water, from 2.5 to 4.0 parts, by weight of a potassium salt of disproportionated abietic acid (based on acid), from 0.3 to 1.0 parts, by weight, of a conden- sation product of naphthalene sulphonic acid and formaldehyde and from 0.2 to 1.5 parts, by weight, of potassium hydroxide, all the quantities being based on 100 parts, by weight, of monomer, are used for the polymerization reaction.

363724

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