Method for producing very-high or ultra-high molecular weight polyethylene
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United States of America Patent
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Jan 28, 2014
Grant Date -
Jul 22, 2010
app pub date -
Dec 22, 2009
filing date -
Dec 31, 2008
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Abstract
The field of the invention relates generally to a method for preparing very-high or ultra-high molecular weight polyethylene. More particularly, the present invention related to a method of preparing very-high or ultra-high molecular weight polyethylene using a supported catalyst comprising a support, an activator and a metal-ligand complex, as well as the catalyst itself. The present invention additionally relates to a method of using a supported catalyst comprising a support, an activator and co-supported metal-ligand complexes to obtain a bi-modal molecular weight distribution of polyethylene.
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