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Type: Artigo de periódico
Title: Hybrids of SiO2 and poly(amide 6-b-ethylene oxide)
Author: Zoppi, RA
deCastro, CR
Yoshida, IVP
Nunes, SP
Abstract: Hybrids of poly(amide-6-b-ethylene oxide), Pebax(R), and silica were prepared by using a sol-gel process. The inorganic phase was grown by hydrolysis-condensation of tetraethoxysilane, TEOS, by acid catalysis, in presence of Pebax/n-butanol or Pebax/formic acid:tetrahydrofuran (1:1 w/w). Pebax/silica hybrids, with different compositions, were obtained and characterized by stress-strain tests, dynamic-mechanical analysis, X-ray diffraction, transmission electron and scanning electron microscopy. The effect of the preparation conditions on the hybrid properties is discussed. (C) 1997 Elsevier Science Ltd.
Subject: sol-gel process
poly(amide-6-b-ethylene oxide)/silica
organic-inorganic composite
hybrid materials
Country: Inglaterra
Editor: Elsevier Sci Ltd
Citation: Polymer. Elsevier Sci Ltd, v. 38, n. 23, n. 5705, n. 5712, 1997.
Rights: fechado
Identifier DOI: 10.1016/S0032-3861(97)00133-X
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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