C - Chemistry – Metallurgy – 08 – F
Patent
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 2139160
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 a vertically continuously extending coil (6), and a refrigerant being passed through said baffles and said coil. 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.
Amano Tadashi
Shirota Yoshihiro
Takahashi Yasuhiro
Mcfadden Fincham
Shin-Etsu Chemical Co. Ltd.
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