Process for polymerizing or copolymerizing olefins with carrier-supported catalyst
Abstract
Abstract A PROCESS FOR POLYMERIZING OR COPOLYMERIZING OLEFINS IN THE PRESENCE OF A CATALYST CONSISTING OF (A) A TRANSITION METAL COMPONENT CHEMICALLY BOUND AND SUPPORTED ON THE SURFACE OF IN ORGANIC SOLID PARTICLES, OBTAINED BY TREATING SOLID PARTICLES OF MAGNESIUM CARBONATE WITH AN ELECTRON DONOR WHICH IS LIQUID OR GASEOUS UNDER THE TREATING CONDITIONS, THE AMOUNT OF SAID ELECTRON DONOR BEING PREFERABLY AT LEAST 0.01 MMOL PER GRAM OF SOLID PARTICLE OF MAGNESIUM CARBONATE, AND A TRANSITION METAL COMPOUND WHICH IS SELECTED FROM THE GROUP CONSISTING OF HALOGEN COMPOUNDS OF TITANIUM AND VANADIUM, THE AMOUNT OF SAID TRANSITION METAL COMPOUND BEING PREFERABLY SUCH THAT THE SUPPORTED AMOUNT OF SAID COMPOUND IS 0.1-3 MMOLES PER GRAM OF SAID SOLID PARTICLES OF MAGNESIUM CARBONATE; AND, (B) AN ORGANO-METALLIC COMPOUND, PREFERABLY IN AN AMOUNT OF 0.01-50 MMOLS PER LITER OF A POLYMERIZATION SOLVENT.
Inventors
- 👤 Norio Kashiwa
Bibliographic Details
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