The effect of substituent groups on polymer conformation in good solvent: polyoctene and polydecene

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Abstract
The influence of the size of the side group is a key parameter for understanding the local rigidity of soluble conjugated polymers. We report an additional experimental proof with a light scattering study upon very simple saturated polymers with different side group extension : polyoctene and polydecene. The results show an unambiguous relation between the statistical length and the size of the side group. We also show that the magnitude of the statistical length is not the relevant parameter for describing the optical properties of the conjugated polymers in solution