Method for the recovery of polyolefins

Details Method for the recovery of polyolefins Method for the recovery of polyolefins

C - Chemistry, Metallurgy

08

F

C08F 6/00 (2006.01) B29B 9/06 (2006.01)

Patent

CA 2141146

A method for product recovery method of polyolefins, particularly high-molecular-weight amorphous poly alpha- olefins, wherein the use of water during the method is significantly decreased and wherein the intermediate stage of storing and drying the chunk form of the polyolefin is eliminated. Polyolefins produced in a reactor are heated in a kneader to remove any unreacted monomer(s). The polyolefin material in a liquid form is then transferred directly to an extruder to further remove any unreacted monomer(s) and catalyst(s). Finally, the polyolefin material is pelletized using a pelletizer.

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