MODIFICATION OF POLYOLEFINS
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United States of America Patent
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Issued Date -
Nov 25, 2010
app pub date -
Jul 23, 2008
filing date -
Jul 23, 2007
priority date (Note) -
Abandoned
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Abstract
The invention provides a process for increasing the melt flow index of a polyolefin, the process comprising using a melt mixing device to melt mix the polyolefin in contact with oxygen and a transition metal catalyst having a redox potential ranging from 0 to 2 volts, wherein oxygen is introduced to the melt mixing device, and wherein the transition metal catalyst in contact with the polyolefin forms at least part of a component of the melt mixing device.
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