A process for the reduction of reactor fouling

Details A process for the reduction of reactor fouling A process for the reduction of reactor fouling

C - Chemistry, Metallurgy

08

F

C08F 2/00 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01)

Patent

CA 2282267

A process for the reduction of reactor fouling at radical initiated high pressure polymerisation of ethylene (co)polymers is described. The process is characterised in that an adhesion reducing silicon containing compound is added to the polymerisation reactor, preferably in an amount of 0.001-3 % by weight, based on the amount of polymer produced. Preferably the silicon containing compound is hexadecyl trimethoxy silane.

La présente invention concerne un procédé permettant de réduire l'encrassement des réacteurs dans une réaction de polymérisation haute pression de (co)polymères d'éthylène déclenchée au niveau du radical. Le procédé se caractérise en ce qu'on ajoute au réacteur de polymérisation un composé siliconé réduisant les adhérances. La masse de l'additif représente 0,001 % à 3 % de la masse du polymère produit. Le composé siliconé est de préférence l'hexadécyl-triméthoxy-silane.

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