Method for reducing PVC polymer buildup in polymerization reacto

Details Method for reducing PVC polymer buildup in polymerization reacto Method for reducing PVC polymer buildup in polymerization reacto

1977-06-20

1978-08-01

Esposito, Michael F.

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

Synthetic resins

Polymerizing in reactor of specified material, or in reactor...

526344, 427230, C08F 1060

Patent

active

041044541

ABSTRACT:
A method for preventing polymer buildup in the polymerization reactor during the suspension polymerization of vinyl chloride monomer to form polyvinyl chloride polymer and copolymers, the method comprising coating reactor surfaces in contact with the reaction medium with a material selected from the group consisting of alumina, dithiooxamide, and mixtures of these prior to carrying out this polymerization.

REFERENCES:
patent: 3019270 (1962-01-01), Hornbake
patent: 3201378 (1965-08-01), Ketterer
patent: 3669946 (1972-06-01), Koyanagi

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