Process for producing polyethylene having a broad molecular...

Details Process for producing polyethylene having a broad molecular... Process for producing polyethylene having a broad molecular...

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) C08F 2/00 (2006.01) C08F 10/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2144968

In a process for the copolymerization of ethylene in two liquid full loop reactors in series wherein the average molecular weight is regulated, the introduction of the comonomer is made in the first reactor, and high and low average molecular weight polymers are produced respectively in the first and second reactor, the improvement which consists in using one or more settling legs of the first reactor for the transfer.

Procédé de copolymérisation d'éthylène dans deux réacteurs à boucle en phase liquide en série dans lesquels le poids moléculaire moyen est régulé, l'introduction du co-monomère est effectuée dans le premier réacteur, et les polymères à haut et bas poids moléculaire sont respectivement produits dans le premier et le deuxième réacteur, l'amélioration consistant à utiliser une ou plusieurs jambes de décantation du premier réacteur pour le transfert.

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