PROCESS FOR REMOVAL OF RESIDUAL MONOMERS FROM ETHYLENE CO-POLYMERS

Residual monomer is removed from copolymers of ethylene and higher olefins prepared in the gas phase by subjecting the copolymers to reduced pressure, sweeping the copolymers with reactor gas in the absence of inert gas and recycling the reactor gas containing residual monomers to the polymerization...

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1. Verfasser:	ROBERT OLDS HAGERTY
Format:	Patent
Sprache:	eng
Schlagworte:	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	ROBERT OLDS HAGERTY
description	Residual monomer is removed from copolymers of ethylene and higher olefins prepared in the gas phase by subjecting the copolymers to reduced pressure, sweeping the copolymers with reactor gas in the absence of inert gas and recycling the reactor gas containing residual monomers to the polymerization zone. This method avoids the use of an inert sweep gas (e.g. nitrogen) and the step of separating the residual monomer from the inert gas.
format	Patent
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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 REMOVAL OF RESIDUAL MONOMERS FROM ETHYLENE CO-POLYMERS
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