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|Type:||Artigo de periódico|
|Title:||Hybrids of SiO2 and poly(amide 6-b-ethylene oxide)|
|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.|
|Editor:||Elsevier Sci Ltd|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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