Process for the polymerization of olefins

Details Process for the polymerization of olefins Process for the polymerization of olefins

1994-09-15

1995-07-11

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Removing and recycling removed material from an ongoing...

526351, 528482, C08F 214

Patent

active

054322430

ABSTRACT:
Olefin polymerization is conducted with a Ziegler-Natta catalyst in which unreacted monomer is recycled to the reactor. The recycle line contains a supported nickel or nickel oxide to purify the unreacted monomer before its return to the reactor, and results in improved catalyst activity and more control over physical properties of the product.

REFERENCES:
patent: 4861939 (1989-08-01), Debras et al.
patent: 5134208 (1992-07-01), Burstain

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