Process for the polymerization of chloroprene

Details Process for the polymerization of chloroprene Process for the polymerization of chloroprene

C - Chemistry, Metallurgy

08

L

400/9125

C08L 11/02 (2006.01) C08F 36/18 (2006.01)

Patent

CA 1173184

Abstract of the Disclosure The invention relates to an improved process for the production of polychloroprene latices by polymerisation to high conversion levels, generally in excess of 50%. Chloroprene, which may contain up to 50% by weight of a copolymerisable monomer, is polymerized in aqueous alkaline emulsion. The emulsion contains from 0.1 to 2% by weight, based on the quantity of monomers, of a primary or secondary hydroxyalkylamine in which the OH-group is separated from the amino nitrogen atom by at least two carbon atoms. The latex forms films characterized by outstanding tensile strength, even when the polymeriza- tion is carried to high conversions.

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