1-Methyl-1-Vinyl-3,3,5,5-Tetraphenylcyclotrisiloxane: An Organofunctional Cyclotrisiloxane |
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| Authors: | Chip Nataro William M Cleaver Christopher W Allen |
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| Affiliation: | (1) Department of Chemistry, University of Vermont, Burlington, VT 05405-0125, USA;(2) Present address: Department of Chemistry, Lafayette College, Easton, PA 18042, USA; |
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| Abstract: | The characterization of 1-methyl-1-vinyl-3,3,5,5-tetraphenylcyclotrisiloxane by NMR(1H,13C,29Si) and X-ray crystallography is reported. The central siloxane ring is planar with Si–O bond lengths and angles which are
similar to those found in the structures of other cyclotrisiloxanes. There is significant thermal motion of the methyl and
vinyl groups. Very low incorporation of the siloxane is observed in the radical catalyzed copolymerization of the siloxane
with styrene. |
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