Method of continuous polymerization in fluidized bed

Details Method of continuous polymerization in fluidized bed Method of continuous polymerization in fluidized bed

B - Operations, Transporting

01

J

23/379, 402/396,

B01J 8/20 (2006.01) B01J 19/00 (2006.01) C08F 2/18 (2006.01)

Patent

CA 1203345

ABSTRACT OF THE DISCLOSURE A process and apparatus for the continuous production of spherical polymer beads in a restricted size range. Monomer droplets are produced in said size range by subjec- ting a fine monomer dispersion containing a controlled amount of a surface protective agent to controlled coales- cence during passage through a tube under laminar flow conditions. The monomer droplets are delivered from the tube to the top of a polymerizing column of variable cross-section wherein they undergo suspension polymerization in a laminar liquid stream descending through the column. Further polymerization in a separate reactor provides the desired polymer beads.

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