Ultrasonic catalyst feed for fluid bed olefin polymerization

Details Ultrasonic catalyst feed for fluid bed olefin polymerization Ultrasonic catalyst feed for fluid bed olefin polymerization

1999-06-04

2000-11-21

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 64, 526901, 526914, C08F 234

Patent

active

061504785

ABSTRACT:
Liquid catalyst composition is fed to a fluidized bed olefin polymerization reactor through an ultrasonic nozzle, enabling improved control over average catalyst composition droplet size and size distribution, which provides better control over resin particle size. The spray may be surrounded by a shroud of gas which creates a particle lean zone, thus reducing the likelihood of contact by the catalyst composition with existing product particles already suspended in the fluid bed.

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