POLYMERIZATION OF VINYL CHLORIDE

PROBLEM TO BE SOLVED: To provide both a method and an apparatus for efficiently feeding a polymerization inhibitor so as to deal with the occurrence of an abnormal reaction in a suspension polymerization of vinyl chloride. SOLUTION: In this method for a suspension polymerization of vinyl chloride us...

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Bibliographic Details
Main Authors KATSUTA RYUTARO, UMEDA YOSHIHIRO, AMI HIROYUKI
Format Patent
LanguageEnglish
Published 26.09.2000
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide both a method and an apparatus for efficiently feeding a polymerization inhibitor so as to deal with the occurrence of an abnormal reaction in a suspension polymerization of vinyl chloride. SOLUTION: In this method for a suspension polymerization of vinyl chloride using a bottom stirring type reaction vessel 2 equipped with a back flow condenser 1 and a jacket 3, a flushing water line 9 installed in the vicinity of the reaction vessel of a slurry discharge line laid at the bottom of the reaction vessel is equipped with a line 8 for feeding a polymerization inhibitor together with a booster pump 9.
Bibliography:Application Number: JP19990068458