DE2536359

The catalyst stream used for regulating high pressure polymerization reactions of monoolefins such as ethylene can be supplied in a positive, clean and accurately controllable fashion by delivering it through a separate conduit which terminates in an orifice tip located within and substantially copl...

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Bibliographische Detailangaben
Hauptverfasser:	STEINERT, ROBERT BRUCE, STATEN ISLAND, N.Y, SCHUESSLER, WILLIAM ARTHUR, RIVERVALE, N.J
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The catalyst stream used for regulating high pressure polymerization reactions of monoolefins such as ethylene can be supplied in a positive, clean and accurately controllable fashion by delivering it through a separate conduit which terminates in an orifice tip located within and substantially coplanar with the entry port of the monomer stream into the reaction zone. The subject technique simplifies start-up as well as maintenance of good temperature control throughout the polymerization process.