Free volume and stochastic theory of volume relaxation

descriptionPublicationkeyboard_double_arrow_right Article 10 Aug 2006 English Publisher:WileyJournal:Journal of Polymer Science Part B: Polymer Physics, volume 44, pages 2,663-2,666 (issn: 0887-6266, eissn: 1099-0488,

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Authors: Robert Simha; Richard E. Roberston;

doi: 10.1002/polb.20901

Free volume and stochastic theory of volume relaxation

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Abstract

AbstractThe stochastic theory of volume relaxation previously applied to the physical aging process in the glassy state of polymers had been formulated as a discrete set of coupled differential equations for the time‐dependent, discrete free volume state probabilities. A reformulation of this theory for a continuum of free volume states is described in the present article. The result is a Schrödinger‐like equation, which has the advantage of an extensive availability of numerical procedures for its solution under various conditions. © 2006 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 44: 2663–2666, 2006

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