Method of controlling polymerization temperature

Details Method of controlling polymerization temperature Method of controlling polymerization temperature

1986-12-09

1988-05-03

Schofer, Joseph L.

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

Synthetic resins

Effecting a change in a polymerization process in response...

526 68, 526351, 526 59, 526902, 422138, C08F 202

Patent

active

047421312

ABSTRACT:
Disclosed herein is a method for controlling the polymerization temperature in a polymerization apparatus equipped with a cooling system in which steam, which has occurred in the presence of a volatile liquid medium in a reaction system, is condensed in a reflux condenser and the resulting noncondensable gas and condensate are then returned to the reaction system, thereby removing the polymerization heat. A portion of the noncondensable gas is recirculated to the cooling system. The flow rate of the noncondensable gas to be recirculated and the flow rate of a cooling medium to be introduced into the reflux condenser are controlled in accordance with the temperature of the reaction system.

REFERENCES:
patent: 3013004 (1961-12-01), Koble et al.
patent: 4024329 (1977-05-01), Lauer et al.
patent: 4061848 (1977-12-01), Sistig et al.
patent: 4408024 (1983-10-01), Matsuyama et al.
patent: 4442271 (1984-04-01), Rau et al.
patent: 4657994 (1987-04-01), Tanaka et al.

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