Pentablock Copolymer from Tetracomponent Monomer Mixture Using a Switchable Dizinc Catalyst

Well-defined pentablock copolymers are prepared using a single catalyst, in one pot, from four different monomers: anhydride, epoxide, lactone, and CO2. The dizinc catalyst bridges three distinct polymerization cycles and performs a double switch in polymerization mechanism to produce pentablock cop...

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Bibliographic Details
Published inMacromolecules Vol. 51; no. 14; pp. 5346 - 5351
Main Authors Chen, Thomas T. D, Zhu, Yunqing, Williams, Charlotte K
Format Journal Article
LanguageEnglish
Published American Chemical Society 24.07.2018
Subjects
anhydrides
carbon dioxide
catalysts
composite polymers
polymerization
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Summary:Well-defined pentablock copolymers are prepared using a single catalyst, in one pot, from four different monomers: anhydride, epoxide, lactone, and CO2. The dizinc catalyst bridges three distinct polymerization cycles and performs a double switch in polymerization mechanism to produce pentablock copolymers. The new materials are hydroxyl-telechelic and are efficiently postfunctionalized to introduce polar and nonpolar side-chains.
Bibliography:ObjectType-Article-1
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ISSN:0024-9297
1520-5835
1520-5835
DOI:10.1021/acs.macromol.8b01224