Conformational analysis, RIS models, persistence length, mean-squared chain dimensions, of chemically substituted polycarbonates and polyesters in their unperturbed state was investigated using RIS theory. Substituents such as aliphatic, aromatic, flexible, rigid, small and bulky, and cycloaliphatic, at various positions on either bisphenol A, diphenyl carbonate, diols (i.e. ester linkages) and non-bisphenol PCs were studied, in order to ascertain the role of chemistry as well as stereochemistry. The influence of these chemical modifications on conformational aspects will be presented. The effect of stereochemistry was studied for the same chemical structure of the repeat unit and the same type of substitution.

Conformational analysis, RIS models, and chain dimensions of chemically substituted polycarbonates and polyesters using rotational isomeric state theory

2019 Fall National Meeting

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