ZUGABE VON ORGANISCHEN INITIATOREN WÄHREND DES DRUCKABFALLS IN VINYLCHLORIDPOLYMERISATIONEN

The invention pertains to a process to polymerize one or more monomers wherein one or more initiators and optionally one or more surfactants are added to a polymerization mixture when the pressure in the polymerization reactor is dropping. This process allows a shorter polymerization time due to a h...

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Bibliographic Details
Main Authors WESTMIJZE, HANS, VANDUFFEL, KOEN, MEULENBRUGGE, LAMBERTUS
Format Patent
LanguageGerman
Published 15.07.2009
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:The invention pertains to a process to polymerize one or more monomers wherein one or more initiators and optionally one or more surfactants are added to a polymerization mixture when the pressure in the polymerization reactor is dropping. This process allows a shorter polymerization time due to a higher pressure drop rate at the end of the polymerization reaction. Moreover, the cooling capacity of the polymerization reactor is used more efficiently.
Bibliography:Application Number: AT20020796654T