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The chemical activity of the heavier POSS homolog, n-butylstannoxane dodecamer cage, in an epoxy matrix containing polopropylene oxide (PPO) chains was studied in detail, especially the long-time development of the effect and its limits in time at different concentrations. A multi-method investigation was carried out, employing spectrometric analysis of chemical composition (NMR, IR), TEM, thermogravimetry,...
A novel tin-based POSS analogue, butylstannoxane dodecamer, was incorporated as chemically active nanofiller in epoxy resins and achieved a considerable anti-oxidative activity already near 0.05 wt% and very high activity near 1 wt%. The amino-functional nanofiller, which bonds as a linear segment, displayed a high reactivity towards the resin components during cure and was very poorly extractable...
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