Effect of fullerene C60 as a branching center on molecular and polarization properties of star-shaped polystyrenes View Full Text


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Article Info

DATE

2006-01

AUTHORS

N. P. Yevlampieva, L. V. Vinogradova, E. I. Ryumtsev

ABSTRACT

The behavior of molecules of a star-shaped six-arm polystyrene with a covalently bound fullerene C60 as a branching center was studied by viscometry and by measuring the electrooptical Kerr effect and the dielectric polarization in solutions. It was shown that polarization and electrooptical characteristics of a fullerene-containing polystyrene (C60 ∼ 3 wt %) differ by an order of magnitude or even greater from the corresponding characteristics of the parent polymer. A comparison of the above properties with the analogous characteristics of the model hexaadduct (the products of reaction between octyllithium and fullerene C60) demonstrated that a difference in the behavior of the star-shaped polystyrene and its parent analog is associated with the structural features of the branching center, among which is the occurrence of six proton addends that are bonded rather weakly to the fullerene cage in the hexaadducts under study. More... »

PAGES

85-90

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0965545x06010123

DOI

http://dx.doi.org/10.1134/s0965545x06010123

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1029555521


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