Method for preparing polybutene
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United States of America Patent
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Jun 20, 2017
Grant Date -
Nov 12, 2015
app pub date -
Jul 16, 2015
filing date -
Jan 17, 2013
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Abstract
Disclosed is a method for preparing a highly reactive polybutene of high quality having low fluorine content and high vinylidene content at high mileage of catalyst with economy. The method for preparing a polybutene includes: performing a selective hydrogenation reaction of diolefin among C4 hydrocarbon components produced from petroleum refineries or naphtha cracking centers, which involve cracking of crude oils, and simultaneously an isomerization reaction of 1-butene to 2-butene and then isolating an isobutene feedstock through fractional distillation; and polymerizing the isobutene feedstock obtained by the fractional distillation.
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