Method for polymerizing dienic monomers

Details Method for polymerizing dienic monomers Method for polymerizing dienic monomers

C - Chemistry, Metallurgy

08

F

400/2029, 402/42

C08F 2/22 (2006.01) B01J 3/04 (2006.01) C08F 2/00 (2006.01)

Patent

CA 1087798

ABSTRACT OF THE DISCLOSURE In the emulsion polymerisation of a dienic monomer or a mixture containing a dienic monomer and at least one other copolymerisable monomer in an aqueous medium, the deposition of polymer scale on the inner walls of the polymerisation reactor and other surfaces in contact with the monomer or monomeric mixture can be inhibited or in some instances prevented by providing coating layers of a organopolysiloxane on those surfaces. Prior to the polymerisation, the organo- polysiloxane is applied directly to the surface or a hydrolyzable organosilane or a mixture of organosilanes is applied to the surfaces, followed by hydrolysis-condensation of the silanes, to form the organopolysiloxane in situ.

282516

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