POLYMERISATION PURIFICATION

A purification process for monomers and solvents used in the production of polymers by solution polymerization comprises supplying impure monomer and solvent to a distillation column which rejects light and heavy impurities from the top and bottom respectively and which dries the monomer-solvent mix...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MORGAN PETER J, WYLLIE KENNETH I
Format:	Patent
Sprache:	eng
Schlagworte:	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 SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A purification process for monomers and solvents used in the production of polymers by solution polymerization comprises supplying impure monomer and solvent to a distillation column which rejects light and heavy impurities from the top and bottom respectively and which dries the monomer-solvent mixture by azeotropic distillation, and withdrawing a pure monomer solvent vapor as a side stream from a point intermediate the top and bottom of the column.