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Highly Controlled Immortal Polymerization of β-butyrolactone by a Dinuclear Indium Catalyst

Cuiling Xu, Insun Yu, Parisa Mehrkhodavandi

Chem Commun (Camb). 2012 Jul 11;48(54):6806-8.

PMID: 22669203

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.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP3068880 β-Butyrolactone β-Butyrolactone 3068-88-0 Price
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