Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 122, Issue 5, Pages 3383-3389Publisher
WILEY-BLACKWELL
DOI: 10.1002/app.34471
Keywords
organic-inorganic hybrid; polyhedral oligomeric silsesquioxanes; phosphorus
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Funding
- National High Technology Research and Development Program 863 [2007AA03Z538]
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A simple route to synthesize a new type of phosphorus-containing polyhedral oligomeric silsesquioxanes (DOPO-POSS) in high yield, by the hydrolytic condensation of a modified silane, is reported. The starting material was a phosphorus-containing triethoxy silane (DOPO-VTES), which was synthesized by addition reaction between 9,10-dihydro-9-oxa-10-phosphaphenanthrene10- oxide (DOPO) and vinyl triethoxy silane (VTES). This product was subjected to hydrolytic condensation using an HCl catalyst in methanol. The new types of phosphorus-containing POSS were obtained and characterized using H-1, C-13, Si-29-NMR, MALDI-TOF MS, XRD, DSC, and FTIR. All of these results suggested that the DOPO-POSS were amorphous mixtures of T-8, T-9(OH), and TGA curve of DOPO-POSS shows that the cage-like compound has high thermal stability. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 3383-3389, 2011
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