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A systematic series of well-defined aromatic polyesters and a poly-para-phenylene with aliphatic side chains were investigated. Films were mechanically characterized by DMTA. The chain modulus was estimated using an extrapolation method based on the aggregate model. The extrapolated values are comparable with theoretically calculated moduli, but display a fairly large uncertainty. Comparison of...
A range of aromatic polyesters containing terphenyl units in the main chain and alkyl side chains have been investigated with respect to their structure and orientation development. As-cast films showed a layered structure: layers of the main chains were preferentially organized parallel to the film surface. Upon drawing of these films, the structure changed to a fibre-symmetric one, as was proven...
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