Polymerization method producing vinyl chloride polymer

Details Polymerization method producing vinyl chloride polymer Polymerization method producing vinyl chloride polymer

1994-12-27

1997-03-11

Weber, Thomas R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263442, 526345, C08F 218

Patent

active

056102453

ABSTRACT:
A polymerization method 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.

REFERENCES:
patent: 3931131 (1976-01-01), Noziri et al.
patent: 4752640 (1988-06-01), Tomishima et al.
Translation of DE 40 41 500 A1.

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