Highly controlled immortal polymerization of β-butyrolactone by a dinuclear indium catalyst
Chemical Communications2012Vol. 48(54), pp. 6806–6806
Citations Over TimeTop 10% of 2012 papers
Abstract
An ethoxy-bridged dinuclear indium catalyst was used for the ring opening polymerization of the cyclic ester β-butyrolactone to form the biodegradable polyester poly(hydroxybutyrate) (PHB). The catalyst shows remarkable activity and control during polymerization, allowing for formation of diblock polymers. Addition of high ratios of alcohols to the catalyst leads to fast chain transfer and immortal polymerization.
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