Metal-Free Synthesis of Poly(silyl ether)s under Ambient Conditions

Caitlin S. Sample, Sang Ho Lee, Morgan W. Bates, Jing M. Ren, Jimmy Lawrence, Valerie Lensch, Jeffrey A. Gerbec, Christopher M. Bates, Shaoguang Li, Craig J. Hawker

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Metal-free hydrosilylation using tris(pentafluorophenyl)borane (B(C 6 F 5 ) 3 ) as a catalyst enables the rapid polymerization of α-diketone and bis(silane) monomers under ambient conditions to give high molecular weight poly(silyl ether)s (PSEs). A wide selection of commercially available monomers bearing different backbone and side-chain functional groups are shown to be compatible with these metal-free conditions. Significantly, the thermal properties of these poly(silyl ether)s are highly tunable, with novel semicrystalline materials being obtained in a variety of cases. These poly(silyl ether) materials serve as a versatile platform for materials with designed degradation profiles and crystallinity.

Original languageEnglish
Pages (from-to)1993-1999
Number of pages7
JournalMacromolecules
Volume52
Issue number5
DOIs
StatePublished - 12 Mar 2019

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