Method for shortstopping polymerization processes in the manufacture of synthetic rubbers

Method for shortstopping polymerization processes in the manufacture of synthetic rubbers

This invention is related to a new shortstopping combination for use in stopping free radical and redox initiated polymerization is the combination of hydroxylamine (free base) (HA) and i-propylhydroxylamine (IPAH). It is more effective as related N-alcylated-hydroxylamines with regard to mooney sta...

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Hauptverfasser: BOGEN, HEINZ-JURGEN, STILLER, HARTMUT K, GUTH, ILONA+, EDEL, HANS A. R, MARX, DORIS R
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Sprache:eng
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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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creator BOGEN, HEINZ-JURGEN
STILLER, HARTMUT K
GUTH, ILONA+
EDEL, HANS A. R
MARX, DORIS R
description This invention is related to a new shortstopping combination for use in stopping free radical and redox initiated polymerization is the combination of hydroxylamine (free base) (HA) and i-propylhydroxylamine (IPAH). It is more effective as related N-alcylated-hydroxylamines with regard to mooney stability. The combination is not corrosive to metals used in commercial equipment for emulsion polymerization and prevents the rust formation and the formation of nitrosamines, coagulate and precipitate.
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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
title Method for shortstopping polymerization processes in the manufacture of synthetic rubbers
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