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Segmental dynamics of polymers. Influence on material properties
Author(s) -
Monnerie Lucien
Publication year - 1991
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19910480113
Subject(s) - viscoelasticity , polymer , materials science , anisotropy , epoxy , relaxation (psychology) , dynamics (music) , composite material , deformation (meteorology) , modulus , polymer science , physics , optics , acoustics , psychology , social psychology
The segmental dynamics inside a polymer chain is described at first by considering the types of motions which can be performed and the corresponding motional models. Fluorescence Anisotropy Decay and Nuclear Magnetic Relaxation are two very convenient techniques. Results obtained on a series of polymers with low Tg's are presented and discussed. Local motions in solid polymeric materials and their influence on mechanical properties (viscoelasticity, modulus and plastic deformation) are illustrated in the case of model epoxy resins.