Author： Amirova Alina I.
Publisher： Taylor & Francis Ltd
ISSN： 1023-666X
Source： International Journal of Polymer Analysis and Characterization, Vol.18, Iss.5, 2013-07, pp. : 339-345
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Abstract
Three types of carbosilane hyperbranched polymers were studied in dilute solution in toluene. The samples had different lengths of chains between branch points and the structure of terminal groups (butyl, undecenyl, or fluorine containing). The temperature dependences of intrinsic viscosity and second virial coefficient values were determined by viscometry and static light scattering methods. It is shown that conformational characteristics of hyperbranched polycarbosilanes do not depend on the thermodynamic quality of a solution in the wide range of temperatures.
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