Controlled polymerization apparatus

Details Controlled polymerization apparatus Controlled polymerization apparatus

1974-04-08

1976-04-20

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

23288E, 23515112, B01J 808, G01N 3108, G01N 3300, G05B 2102

Patent

active

039516040

ABSTRACT:
In a poymerization system having first and second feed streams, diluent and recycled diluent streams, and a modifier stream controllably fed to a reactor, a resultant product stream is passed from the reactor, and a gas stream is removed from the resultant bottoms product of the reactor. The gas stream is analyzed and signals are delivered in response to the analysis. The signals are modified and compared to a modified signal responsive to one of the flow rates of the recycled diluent stream or the second feed stream that has been modified by the flow rate of the diluent stream for providing a resultant control signal for relatively controlling the flow of the modifier stream.

REFERENCES:
patent: 3257363 (1966-06-01), Miller et al.
patent: 3523929 (1970-08-01), Paige et al.
patent: 3565873 (1971-02-01), Sutherland, Jr. et al.
patent: 3594559 (1971-07-01), Pemberton
patent: 3835106 (1974-09-01), Klaassen et al.

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