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Synthesis and barrier properties of poly(ε‐caprolactone)‐layered silicate nanocomposites

Messersmith, Phillip B., Giannelis, Emmanuel P.·1995·Journal of Polymer Science Part A: Polymer Chemistry

Abstract

A new polymer‐ceramic nanocomposite has been synthesized consisting of well‐dispersed, two‐dimensional layers of an organically modified mica‐type silicate (MTS) within a degradable poly(ε‐caprolactone) matrix. A protonated amino acid derivative of MTS was used to promote delamination/dispersion of the host layers and initiate ring‐opening polymerization of ε‐caprolactone monomer, resulting in poly(ε‐caprolactone) chains that are ionically bound to the silicate layers. The polymer chains can be released from the silicate surface by a reverse ion‐exchange reaction and were shown to be spectroscopically similar to pure poly(ε‐caprolactone). Thick films of the polymer nanocomposite exhibit a significant reduction in water vapor permeability that shows a linear dependence on silicate content. The permeability of nanocomposite containing as low as 4.8% silicate by volume was reduced by nearly an order of magnitude compared to pure poly(ε‐caprolactone). © 1995 John Wiley & Sons, Inc.

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Metadata

Authors
Messersmith, P. B., & Giannelis, E. P.
Venue
Journal of Polymer Science Part A: Polymer Chemistry
Publisher
Wiley
Published
1995-05
Volume
33
Issue
7
Pages
1047-1057
ISSN
  • 0887-624X (ISSN-L)
  • 1099-0518
OpenAlex
W2144066323
Cited by
1,217
References
1
FWCI
8.97
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Synthesis and barrier properties of poly(ε‐caprolactone)‐layered silicate nanocomposites. https://app.cochat.ai/papers/10.1002/pola.1995.080330707
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Messersmith, P. B., & Giannelis, E. P. (1995). Synthesis and barrier properties of poly(ε‐caprolactone)‐layered silicate nanocomposites. Journal of Polymer Science Part A: Polymer Chemistry. https://doi.org/10.1002/pola.1995.080330707

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