Reducing PVC polymer buildup in polymerization reactors with dit

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in reactor of specified material – or in reactor...

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526 74, 526140, 526211, 526214, 526344, C08F11406, C08F 1406

Patent

active

040680525

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.

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