Control of oligomer level in low pressure polyethylene reactor s

Details Control of oligomer level in low pressure polyethylene reactor s Control of oligomer level in low pressure polyethylene reactor s

1991-11-19

1992-06-30

Schofer, Joseph L.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 88, 526351, 526352, C08F 234

Patent

active

051264145

ABSTRACT:
In accordance with the invention, the process comprises substantially eliminating distributor plate fouling in fluid bed reactor alpha olefin polymerizations, by removing oligomers from the recycle feeds to the fluid bed reactor. In accordance with the invention, the process comprises substantially eliminating gel production in the low pressure production of polymers and copolymers of ethylene. Unexpectedly, the process of the invention, which substantially eliminates distributor plate fouling also results in polymer products which are substantially free of gels.

REFERENCES:
patent: 4543399 (1985-09-01), Jenkins, III et al.
patent: 5028670 (1991-07-01), Chinh et al.

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