Apparatus for removing unreacted monomer from slurry

Details Apparatus for removing unreacted monomer from slurry Apparatus for removing unreacted monomer from slurry

1977-04-25

1978-12-19

Yudkoff, Norman

Concentrating evaporators

Preliminary heaters and heat economizers

159 47R, 159DIG10, 159 43R, 528500, 261DIG76, 34109, B01D 114

Patent

active

041304560

ABSTRACT:
An apparatus and method for the continuous or semi-continuous removal of unreacted monomers from polymer suspension slurrys or latices to produce polymers with the least possible distribution of heat history.
A polymer suspension liquor or latex is supplied to a vessel having open topped compartments positioned on a vertical shaft for rotation. A feed inlet for the polymer suspension liquor is mounted on the shaft to permit introduction of the polymer into each of the open topped compartments. A steam and/or inert gas is introduced at the bottom portion of each compartment to strip a monomer from the polymer.

REFERENCES:
patent: 2479049 (1949-08-01), Poncelet
patent: 3615668 (1971-10-01), Smith, Jr.
patent: 3730731 (1973-05-01), Smith, Jr.

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