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JOURNALS // Mendeleev Communications // Archive

Mendeleev Commun., 1996 Volume 6, Issue 4, Pages 135–137 (Mi mendc4948)

This article is cited in 10 papers

Complex thermochromic phase transitions in three polydialkylsilanes with an oxygen atom in the side chain

S. S. Bukalova, M. V. Teplitskya, L. A. Leitesa, Ch.-H. Yuanb, R. Westb

a Scientific and Technical Centre on Raman Spectroscopy, A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow
b Department of Chemistry, University of Wisconsin, Madison, USA

Abstract: Temperature investigations of the UV and Raman spectra of three polydialkylsilanes with an oxygen atom in the side chain have shown that all polymers studied undergo a thermochromic phase transition in the interval from+20 to −70 °C which is not abrupt but is kinetically limited; this transition is of the order–disorder type and is related to a change in the conformation of the polymer main chain from a disordered one to all-trans.

Language: English

DOI: 10.1070/MC1996v006n04ABEH000615



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