Additive for Polyolefin Polymerization Processes
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Jan 7, 2010
filing date -
Jan 8, 2009
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Abandoned
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Abstract
A polymerization process is disclosed, including: polymerizing at least one olefin to form an olefin based polymer in a polymerization reactor; and feeding at least one ethyleneimine additive to the polymerization reactor. The ethyleneimine additive may comprise a polyethyleneimine, an ethyleneimine copolymer, or a mixture thereof. The process may further comprise monitoring static in the polymerization reactor; maintaining the static at a desired level by use of at least one ethyleneimine additive, the at least one ethyleneimine additive present in said reactor in the range from about 0.1 to about 50 ppm, based on the weight of polymer produced by said combining.
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