High melt strength polymers and method of making same
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United States of America Patent
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Nov 27, 2007
Grant Date -
Mar 24, 2005
app pub date -
Aug 17, 2004
filing date -
Mar 16, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A polymer composition that has a backbone chain; and a plurality of long chain branches connected to the backbone is described. The polymer composition also has a value of .sup.2g'.sub.LCB-.sup.1g'.sub.LCB that is less than about 0.22, where .sup.1g'.sub.LCB is the long chain branching index for a fraction of the composition having a M.sub.w of 100,000 and .sup.2g'.sub.LCB is the long chain branching index for a fraction of the composition having a M.sub.w of 500,000.
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