C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/396
C08F 2/00 (2006.01) B01J 19/00 (2006.01) C08F 110/06 (2006.01)
Patent
CA 1257450
Abstract Disclosed herein is a method for controlling the polymerization temperature in a polymerization appara- tus 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.
525762
Asanuma Tadashi
Funakoshi Yoshiyuki
Ito Kaneo
Ito Mitsuru
Nakajima Akihiko
Mitsui Chemicals Incorporated
Sim & Mcburney
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