Polymerization apparatus and method of producing vinyl...

Details Polymerization apparatus and method of producing vinyl... Polymerization apparatus and method of producing vinyl...

C - Chemistry, Metallurgy

08

F

C08F 2/18 (2006.01) B01J 19/00 (2006.01) B01J 19/18 (2006.01) B01J 19/24 (2006.01) C08F 14/06 (2006.01)

Patent

CA 2139161

A polymerization apparatus used, particularly, in suspension polymerization of vinyl chloride, comprising a polymerization vessel (1) having a substantially cylindrical inner space, said inner space of said polymerization vessel being provided with a plurality of baffles (5) comprising vertically extending pipes, and serpentine pipelines (6) each of which is placed between two adjacent baffles and is extended in a serpentine fashion along the polymerization vessel inner wall from the lower part to the upper part of the polymerization vessel, and a refrigerant being passed through said baffles and said serpentine pipelines. High-cooling performance can be obtained, a high-speed reaction in a large-sized polymerization vessel becomes possible, and a stable polymerization reaction can be carried out. A high-quality and uniform polymer that has few fish eyes and has a high bulk specific gravity can be obtained.

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