C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/304, 402/397
C08F 14/06 (2006.01) C08F 2/00 (2006.01) C08F 2/18 (2006.01)
Patent
CA 1146941
Abstract: Process for the manufacture of vinyl chloride polymers, agents for coating polymerization vessels and the poly- merization vessel coated with these agents The present invention relates, inter alia, to a process for the manufacture of vinyl chloride polymers by polymerization of the monomer or monomer mixture in aqueous dispersion using catalysts which form free radicals, and if appropriate suspension stabilizers, emulsifiers and other polymerization auxiliaries, which comprises carrying out the polymerization in a reactor in which the internal walls and remaining components on which polymer deposits can form are provided, completely or partly, with a coating containing certain compounds of the general formula Image Substantial suppression of the formation of polymer deposits can be achieved according to the invention, especially in the case of vinyl chloride copolymers.
351765
Brandrup Johannes
Fischer Edgar
Weinlich Jurgen
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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