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Process

  • US 9,683,063 B2
  • Filed: 12/15/2014
  • Issued: 06/20/2017
  • Est. Priority Date: 12/23/2013
  • Status: Active Grant
First Claim
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1. A process for the polymerisation of olefins in a polymerisation reactor system, the polymerisation reactor system comprising a reactor and further comprising at least first and second introduction points by which the same reaction component may be introduced directly at different locations on the reactor system, the process comprising:

  • (i) at a first time introducing the reaction component through at least the first introduction point and such that a proportion X of the reaction component which is introduced through said first and second introduction points is introduced through the first introduction point, and(ii) at a second, later, time introducing the same reaction component through at least the second introduction point and such that a proportion Y of the reaction component which is introduced through said first and second introduction points is introduced through the first introduction point,wherein Y is less than X,and further wherein at least one of the first and second introduction points is located on the reactor system at a location not on the reactor.

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