METHOD FOR TWO-STEP PREPARATION OF HALOGENATED POLYMERS AND HALOGENATED PLURIMODAL POLYMERS

The invention concerns a method for continuous preparation of halogenated polymers comprising free radical polymerisation of halogenated monomers in a medium comprising liquid or supercritical carbon dioxide, in at least two pressurised reactors in series. The invention also concerns the resulting h...

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Bibliographische Detailangaben
Hauptverfasser:	MARTIN, ROLAND, BLAUDE, JEAN-MARIE, CHAUVIER, JEAN-MARIE, BIENFAIT, CHARLES
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention concerns a method for continuous preparation of halogenated polymers comprising free radical polymerisation of halogenated monomers in a medium comprising liquid or supercritical carbon dioxide, in at least two pressurised reactors in series. The invention also concerns the resulting halogenated polymers. Procédé de préparation en continu de polymères halogénés comprenant la polymérisation radicalaire de monomères halogénés dans un milieu comprenant du dioxyde de carbone liquide ou supercritique, dans au moins deux réacteurs sous pression en série. Polymères halogénés obtenus.