Abstract
The conformational behavior in solution and in the temperature range 30-85 o C for the title polyester was investigated using simple viscosimetric methods. The obtained unperturbed dimensions parameter and the statistical segment length have shown that this polyester behaves in solution as a rigid polymer. Comparison with the persistence length values obtained for related polymers indicates a significant increase in rigidity, caused by the introduction of the terphenyl unit. The temperature dependence of both the unperturbed dimensions and the persistence length indicates the existence of a conformational transition at 60 o C
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