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Morphologie de Réseaux Polymères Interpénétrés préparés en deux étapes

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Résumé

Un nouveau modèle thermodynamique prédisant la taille des domaines des réseaux polymères interpénétrés préparés en deux étapes est décrite. Les paramètres influents sont la tension interfaciale et la densité de réticulation des deux polymères, ainsi que la composition. A l'aide de la microscopie électronique à balayage, la théorie a été vérifiée pour le système poly(acrylate den-butyle)/polystyrène.

Abstract

A series of sequential interpenetrating polymer networks, IPN's, of poly(n-butyl acrylate) and polystyrene were prepared. A new equation predicting the domain size in IPN's is summarized and shown to yield agreement with the morphologies observed via scanning electron microscopy. The experimental variables required to determine the domain size include the volume fraction and crosslink level of each polymer, the interfacial tension and the temperature.

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Author notes

  1. J. M. Widmaier

    Present address: Ecole d'Application des Hauts Polymères, Strasbourg, France

Authors and Affiliations

  1. Materials Research Center 32 Lehigh University Bethlehem, USA

    J. K. Yeo & L. H. Sperling

Authors
  1. J. M. Widmaier
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  2. J. K. Yeo
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  3. L. H. Sperling
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Widmaier, J.M., Yeo, J.K. & Sperling, L.H. Morphologie de Réseaux Polymères Interpénétrés préparés en deux étapes. Colloid & Polymer Sci 260, 678–684 (1982). https://doi.org/10.1007/BF01414653

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  • DOI: https://doi.org/10.1007/BF01414653

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