Process for reducing sheeting during polymerization of alpha-ole

Details Process for reducing sheeting during polymerization of alpha-ole Process for reducing sheeting during polymerization of alpha-ole

1990-07-30

1991-07-23

Smith, Edward J.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 69, 526 74, 526138, 5263486, 5263485, 526901, C08F 234, C08F 1002

Patent

active

050344790

ABSTRACT:
A process for reducing sheeting during gas phase polymerization of alpha-olefins utilizing catalysts prone to cause sheeting wherein the gaseous feed stream containing monomer comonomer hydrogen and inert gas is introduced into the reactor through the recycle stream to the reactor at a point prior to cooling the recycle stream.

REFERENCES:
patent: 4508842 (1985-04-01), Beran et al.
patent: 4518750 (1985-05-01), Govoni et al.
patent: 4525547 (1985-06-01), Kato et al.
patent: 4532311 (1985-07-01), Fulks et al.
patent: 4642328 (1987-02-01), Morteral et al.
patent: 4855370 (1989-08-01), Chirillo et al.

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