Abstract
The study of the average molecular optical anisotropy ‹γ2› of atactic and isotactic polystyrene chains together with their oligomers has been carried out by means of depolarized Rayleigh scattering.In the case of atactic compounds a systematic study of molecular optical anisotropy has also been made as a function of the degree of polymerization, polydispersity, and solvent.The comparison of the experimental optical anisotropies of atactic and isotactic structures reveals a considerable difference, approximately 10 fold, thus pointing out the specific importance of the structural information that we can hope to obtain from the optical anisotropy.
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