Process for manufacturing lldpe polymers

Details Process for manufacturing lldpe polymers Process for manufacturing lldpe polymers

C - Chemistry, Metallurgy

08

F

C08F 210/16 (2006.01) C08F 4/642 (2006.01)

Patent

CA 2217534

Process for manufacturing ethylene copolymers by polymerizing ethylene and a minor amount of C3-C6 alphaolefins in particle form in slurry reactor in the presence of an ethylene polymerizing catalyst. According to the invention the polymerization is carried out in propane diluent by using a metallocene catalyst activated with an alumoxane compound.

Cette invention concerne un procédé de fabrication de copolymères éthyliques qui consiste à effectuer la polymérisation d'éthylène et d'une quantité minoritaire d'alpha-oléfines C¿3?-C¿6? sous forme particulaire dans un réacteur à combustible en suspension, et ce en présence d'un catalyseur de polymérisation d'éthylène. Conformément à l'invention, on effectue cette polymérisation dans un diluant de propane en utilisant un catalyseur métallocène activé par un composé alumoxanne.

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