Method for producing modified polyolefin solution
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United States of America Patent
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Issued Date -
Dec 14, 2006
app pub date -
Mar 11, 2004
filing date -
Mar 14, 2003
priority date (Note) -
Abandoned
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Abstract
A method for producing a modified polyolefin solution, which can reduce polymer loss, solvent loss and further number of steps, and thus has excellent productivity and economic efficiency in a series of steps, wherein an .alpha.-olefin is polymerized to obtain a polyolefin, followed by modification with a modifying agent to produce a modified polyolefin solution, characterized by comprising a step wherein an .alpha.-olefin is polymerized in the presence of polymerization catalyst in liquid phase to obtain a polyolefin as a polymer solution or slurry state and a step wherein thus obtained polymer is reacted with a modifying agent to modify a polyolefin, and in that the polymer is not isolated, not recovered, nor substantially dried, in a method for producing a modified polyolefin solution by modification, using a modification agent, of a polyolefin obtained by polymerization of an .alpha.-olefin.
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