Process for the preparation of microencapsulated polymers

Process for the preparation of microencapsulated polymers

The novel feature in the preparation of microencapsulated polymers by polymerisation of microencapsulated monomer droplets suspended in an aqueous phase is that the aqueous phase contains a polymerisation inhibitor. The monomer droplets preferably contain styrene and a crosslinker, and the polymeris...

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Hauptverfasser: STRUEVER, WERNER, INGENDOH, AXEL, HALLE, OLAF, PODSZUN, WOLFGANG, BLOODWORTH, ROBERT
Format: Patent
Sprache:eng ; fre ; ger
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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 STRUEVER, WERNER
INGENDOH, AXEL
HALLE, OLAF
PODSZUN, WOLFGANG
BLOODWORTH, ROBERT
description The novel feature in the preparation of microencapsulated polymers by polymerisation of microencapsulated monomer droplets suspended in an aqueous phase is that the aqueous phase contains a polymerisation inhibitor. The monomer droplets preferably contain styrene and a crosslinker, and the polymerisation inhibitor is inorganic or organic. Preferably the inhibitor is used at 10-1000 ppm based on total weight of aqueous + inhibitor and is an N compound, phosphorous acid salt, S compound, peroxy compound, phenolic compound, unsaturated lactone or hydroxyketone.
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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 Process for the preparation of microencapsulated polymers
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