Polymerizing apparatus

Details Polymerizing apparatus Polymerizing apparatus

1992-12-11

1994-09-20

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422135, 422138, 422226, 422235, B01F 700, F28D 700

Patent

active

053487087

ABSTRACT:
A polymerizing apparatus for polymerizing a monomer having an ethylenically unsaturated double bond which is equipped with a polymerization vessel having an agitator and a return nozzle to a gaseous phase part and with a circulating pipeline extending from said polymerization vessel and connected to said return nozzle of the polymerization vessel through a heat exchanger, in which said return nozzle is installed such that it discharges a reaction mixture in the direction which is tangential to the circumferential wall of the vessel and in which the agitator is rotated. Scale of a polymer can be prevented from depositing in the polymerization vessel and it is possible to reduce the number of fish eyes of a molded product such as a sheet into which the polymer obtained by the present polymerizing apparatus can be worked.

REFERENCES:
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patent: 3692763 (1972-09-01), Van Saane et al.
patent: 3744636 (1973-07-01), Commarmot
patent: 4053388 (1977-10-01), Bailey
patent: 4159307 (1979-06-01), Shigeyasu et al.
patent: 4179102 (1979-12-01), Clumpher
patent: 4209359 (1980-06-01), Sethy
patent: 5013497 (1991-05-01), Yiournas et al.

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