Discrete yttrium catalysts for the controlled polymerization of cyclic esters

Marc A. Hillmyer, William B. Tolman, Bradley M. Chamberlain, Katherine B. Aubrecht

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations

Abstract

A discrete yttrium (III) catalyst was used to control the polymerization of lactide and caprolactone. The catalyst used is an alkoxo-bridged triyttrium (III) complex with a novel cluster structure that is retained in the solution. The cluster is capable of polymerizing both lactide and caprolactone in a controlled manner. The catalyst was modified by adding benzyl alcohol to a dimer. This leads to changes in the catalytic activity but does not disrupt the dimeric structure previously seen in either the solid or solution state.

Original languageEnglish (US)
Title of host publicationAmerican Chemical Society, Polymer Preprints, Division of Polymer Chemistry
PublisherACS
Pages426
Number of pages1
Volume41
Edition1
StatePublished - Mar 2000
EventThe San Francisco Meeting - San Francisco, CA, USA
Duration: Mar 26 2000Mar 31 2000

Other

OtherThe San Francisco Meeting
CitySan Francisco, CA, USA
Period3/26/003/31/00

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