Production of highly reactive low molecular weight PIB oligomers
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United States of America Patent
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Jan 2, 2018
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Aug 16, 2016
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Jun 8, 2011
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Abstract
In one preferred embodiment, the present invention provides a process for the liquid phase polymerization of isobutylene to manufacture highly reactive PIB oligomers having Mn under 1000, using a catalyst composition comprising a Friedel-Crafts catalyst a complexing agent, a chain transfer agent and a polymerization-retarding agent. A chain transfer agent may be selected from: α-DIB and β-DIB and mixtures thereof.
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