Apparatus for continuous production of polymer beads of controll

Details Apparatus for continuous production of polymer beads of controll Apparatus for continuous production of polymer beads of controll

1983-12-12

1986-04-01

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422138, 422189, 422214, 422234, C08J 900

Patent

active

045797188

ABSTRACT:
An apparatus for the continuous production of spherical polymer beads in a restricted size range. Monomer droplets are produced in said size range by subjecting a fine monomer dispersion containing a controlled amount of a surface protective agent to controlled coalescence during passage through a tube (11) under laminar flow conditions. The monomer droplets are delivered from the tube (11) to the top of a polymerizing column (12) of variable cross-section wherein they undergo suspension polymerization in a laminar liquid stream descending through the column. Further polymerization in a separate reactor (30a, 30b) provides the desired polymer beads.

REFERENCES:
patent: 1000689 (1911-08-01), Paterson
patent: 2618626 (1952-11-01), Van Dijk et al.
patent: 3329631 (1967-07-01), Pilgrim
patent: 3830371 (1974-08-01), Garcia
patent: 3948768 (1976-04-01), Chapman et al.
patent: 3972816 (1976-08-01), Mail et al.

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