Local Aspects of Non-Elastic Deformation in Atactic Glassy Polystyrene

MRS Online Proceedings Library volume 79, pages251–254(1986)Cite this article

Abstract

Atactic glassy polystyrene has been deformed by shear banding. The influence of the macroscopic shear stress down to a scale smaller than the dimensions of the macromolecules has been investigated by small-angle neutron scattering. The chemical resolution has been improved by using isotopic labelling on different parts of the monomer unit. The analysis of the experimental scattering curves has been made according to the thin thread model with a superimposed thickness. On the other hand, the contrast variation method has been applied in order to determine both the structure factor of the phenyl rings and that of the backbone part of the chain. This allows us to precise the influence of non-elastic deformation on the local structure of the chain.

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Affiliations

  1. USTL-FA, Laboratoire de Structure et Propriétés, de l'Etat Solide Bât., C6-59655, VILLENEUVE, D'ASCQ CEDEX, France

    G. Coulon & J. M. Lefebvre

  2. Institut Laüe-Langevin, BP 156X, 38042, GRENOBLE, CEDEX, France

    M. Rawiso

Authors
  1. G. Coulon
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  2. J. M. Lefebvre
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  3. M. Rawiso
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Coulon, G., Lefebvre, J.M. & Rawiso, M. Local Aspects of Non-Elastic Deformation in Atactic Glassy Polystyrene. MRS Online Proceedings Library 79, 251–254 (1986). https://doi.org/10.1557/PROC-79-251

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