Fast-dynamics in plasticized poly(vinyl chloride)

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Zorn, R.
Alegri, A.
Arbe, A.
Colmenero, J.
Richter, D.
Frick, B.
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In this work we have investigated the influence of plasticization (i.e. admixture of low molecular weight additives) on the picosecond range fast-dynamics of a glass forming polymer, poly(vinyl chloride) (PVC). We have investigated samples of plasticized and pure PVC by inelastic neutron scattering and broadband dielectric spectroscopy. Although the suppression of the β relaxation by the plasticizer could be clearly verified by dielectric spectroscopy, the neutron scattering spectra did not show any change of the fast-dynamics. Therefore our results do not support a relationship between the fast-dynamics observed by neutron scattering and the β relaxation. © 1998 Elsevier Science B.V. All rights reserved.
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页码:169 / 172
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