Slurry phase polymerisation process
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United States of America Patent
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Jan 24, 2012
Grant Date -
Aug 20, 2009
app pub date -
Mar 20, 2009
filing date -
Nov 26, 2004
priority date (Note) -
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Abstract
A process comprising polymerising in a loop reactor of continuous tubular construction an olefin monomer optionally together with an olefin comonomer in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the internal diameter of at least 50% of the total length of the reactor is at least 700 millimeters and the solids concentration in the reactor is at least 20 volume % is disclosed.
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