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Crystallization mechanisms and relevant theories

Abstract : Some of the theories involved in the understanding of polymer crystallization are discussed. First of all, crystallization is a first-order thermodynamical transition, that can be treated using the free-enthalpy formalism. Then, crystallization is a two-step phenomenon, the respective steps being nucleation and growth. The classical nucleation theory provides a general framework for the interpretation of both homogeneous and heterogeneous nucleation An alternative approach is the sequential deposit of molecular stems, also used in the kinetic theory of growth, which induces the concept of growth regimes. Less frequently, models have tried to explain the specific features of polymer morphologies: long periods, spherulites. Among them, one can mention the models of Rault and of Padden and Keith.
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Contributor : Corinne Matarasso Connect in order to contact the contributor
Submitted on : Wednesday, November 17, 2010 - 3:41:41 PM
Last modification on : Wednesday, November 17, 2021 - 12:28:14 PM


  • HAL Id : hal-00537051, version 1


Jean-Marc Haudin, Bernard Monasse. Crystallization mechanisms and relevant theories. NATO-ASI Conference on the Structure Development in Processing for Polymer Property Enhancement, May 1999, Caminha, Portugal. p.93-112 ISBN 0-7923-6449-X. ⟨hal-00537051⟩



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