Olefin polymerization with cyclopentadienyl lanthanidealkyl of hydride in presence of hydrogen

• Main Authors: HSIEH; HENRY L, PETTIJOHN; TED M
• Format: Patent
• Language: English
• Published: 19.11.1991
• Subjects: 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

A process for polymerizing olefins using a catalyst comprising an organolanthanide compound is disclosed wherein the active lifetime of the catalyst is increased by the employment of hydrogen during the polymerization.