Controlling molecular weight distribution and chemical composition distribution of a polyolefin product
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United States of America Patent
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Sep 6, 2022
Grant Date -
Oct 8, 2020
app pub date -
Mar 24, 2020
filing date -
Apr 5, 2019
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Abstract
A method broadening a molecular weight distribution and/or broadening a chemical composition distribution of the polyolefin product can include: polymerizing a feedstock in the presence of a metallocene catalyst in a loop reactor to produce a polyolefin product, the feedstock comprising two or more monomers; and adjusting a polymerization parameter selected from the group consisting of decreasing a recycle ratio, increasing a polymer concentration, increasing a LRSU number, and any combination thereof.
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