Production of polydiene with controlled Mooney viscosity, useful especially for manufacture of car tires

A process for the production of polydienes with controlled Mooney viscosity comprises the gas-phase polymerisation of conjugated dienes with rare earth-based catalysts in presence of 0.005-80 wt.% 1,2-diene (based on total diene).

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Bibliographische Detailangaben
Hauptverfasser:	SYLVESTER, GERD, MARWEDE, GUENTER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A process for the production of polydienes with controlled Mooney viscosity comprises the gas-phase polymerisation of conjugated dienes with rare earth-based catalysts in presence of 0.005-80 wt.% 1,2-diene (based on total diene).