BLOW MOLDING POLYETHYLENE RESINS
[0097] DISCLOSED HEREIN ARE VARIOUS PROCESSES, INCLUDING CONTINUOUS FLUIDIZED-BED GAS PHASE POLYMERIZATION PROCESSES FOR MAKING A HIGH STRENGTH, HIGH DENSITY POLYETHYLENE COPOLYMER, COMPRISING (INCLUDING): CONTACTING MONOMERS THAT INCLUDE ETHYLENE AND OPTIONALLY AT LEAST ONE NON-ETHYLENE MONOMER WIT...
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Zusammenfassung: | [0097] DISCLOSED HEREIN ARE VARIOUS PROCESSES, INCLUDING CONTINUOUS FLUIDIZED-BED GAS PHASE POLYMERIZATION PROCESSES FOR MAKING A HIGH STRENGTH, HIGH DENSITY POLYETHYLENE COPOLYMER, COMPRISING (INCLUDING): CONTACTING MONOMERS THAT INCLUDE ETHYLENE AND OPTIONALLY AT LEAST ONE NON-ETHYLENE MONOMER WITH FLUIDIZED CATALYST PARTICLES IN A GAS PHASE IN THE PRESENCE OF HYDROGEN GAS AT AN ETHYLENE PARTIAL PRESSURE OF 100 PSI OR MORE AND A POLYMERIZATION TEMPERATURE OF 1050 C. OR LESS TO PRODUCE A POLYETHYLENE COPOLYMER HAVING A DENSITY OF 0.945 G/CC OR MORE AND AN ESCR INDEX OF 1.0 OR MORE WHEREIN THE CATALYST PARTICLES ARE PREPARED AT AN ACTIVATION TEMPERATURE OF 7000 C. OR LESS, AND INCLUDE SILICA, CHROMIUM, AND TITANIUM. |
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