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20 July 2004 Conformational probes in glassy polymers: free volume and relaxation transitions (FT-IR spectroscopy)
D. I. Kamalova, S. A. Petrova, A. B. Remizov
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Proceedings Volume 5507, XVI International Conference on Spectroscopy of Molecules and Crystals; (2004) https://doi.org/10.1117/12.570006
Event: XVI International Conference on Spectroscopy of Molecules and Crystals, 2003, Sevastopol, Ukraine
Abstract
The method of conformational probes has been developed. The conformational mobility of probes introduced into poly(methyl methacrylate) (PMMA) and having different sizes of rotational fragments (Vp≠) has been investigated. There is a correlation between the freezing temperature of probe conformational transitions (Tf) and Vp≠. These data have been considered within the frameworks of the free volume theory and the relaxational transitions. Conformational mobility of probes in poly(vinyl trimethylsilane) (PVTMS) and poly(trimethylsilyl propyne) (PTMSP) with a large free volume fraction has been studied.
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D. I. Kamalova, S. A. Petrova, and A. B. Remizov "Conformational probes in glassy polymers: free volume and relaxation transitions (FT-IR spectroscopy)", Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); https://doi.org/10.1117/12.570006
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KEYWORDS
Polymers
Polymethylmethacrylate
Molecules
Absorption
Spectroscopy
FT-IR spectroscopy
Diffusion
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