C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/304, 402/397
C08F 2/18 (2006.01) B01J 19/00 (2006.01) B08B 9/08 (2006.01) C08F 14/06 (2006.01)
Patent
CA 1083750
ABSTRACT OF THE DISCLOSURE: The invention is concerned with a method for polymerizing vinyl chloride either alone or in admixture with other monomers within a reactor, characterized in that, during the reaction, the reactor ceiling is kept under a continuous flushing of water under a low pressure when the conversion rate is from 15% to 25%, and which is continued at least until 40% conversion is attained and, as the reaction has been completed, the residual incrustations on the reactor ceiling are removed mechanically with water under a high pressure. The invention enables one to achieve the elimination of incrustations while maintaining polymerization runs of commercial importance.
258411
Baldini Dionigi
Bandini Enzo
Carlin Francesco
Montanari Giancarlo
Anic S.p.a.
Robic Robic & Associes/associates
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