Process for olefin polymerization
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United States of America Patent
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Jan 29, 1991
Grant Date -
N/A
app pub date -
Oct 6, 1989
filing date -
Oct 6, 1989
priority date (Note) -
Expired
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Abstract
Olefins are polymerized with a catalyst composition which forms on mixing a supported chromium oxide catalyst system and a silane compound. This composition allows the production of one or more comonomers in-situ. The resultant polymer has a lower density, a higher melt index, and a higher high load melt index than polymers produced with a similar catalyst system in the absence of a silane compound.
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