2017
DOI: 10.1590/0104-1428.12916
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Effect of concentrations of plasticizers on the sol-gel properties developed from alkoxides precursors

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Cited by 4 publications
(7 citation statements)
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“…Figure shows the XRD curves of pure PEG fibers, aluminosilicate film, and hybrid fibers. Pure fibers showed diffraction peaks at 2θ equal to 15, 19, 24, 27, 31, 36, and 40 (the 19 and 24° were the most intense peaks), which are characteristics of PEG's monoclinic structure . On the other hand, the broad peak between 20 and 30° indicates a typical non‐crystalline structure of aluminosilicate .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Figure shows the XRD curves of pure PEG fibers, aluminosilicate film, and hybrid fibers. Pure fibers showed diffraction peaks at 2θ equal to 15, 19, 24, 27, 31, 36, and 40 (the 19 and 24° were the most intense peaks), which are characteristics of PEG's monoclinic structure . On the other hand, the broad peak between 20 and 30° indicates a typical non‐crystalline structure of aluminosilicate .…”
Section: Resultsmentioning
confidence: 99%
“…Furthermore, FTIR spectrum (Figure ) showed the presence of hydroxyl groups on the surface of NPs by the asymmetric stretching vibration of the −OH functional group at 3300 cm −1 . There are also two characteristics absorption bands assigned to the Si‐O‐Si stretch vibration between 900 and 1100 cm −1 and to the C‐H stretch at 2920 and 2880 cm −1 . Hence, the presence of hydroxyl groups can favor interactions between the nanoparticles and the ether group in PEG which can help in the dispersion of the nanoparticles within the polymer.…”
Section: Resultsmentioning
confidence: 99%
“…O método sol-gel tem sido referido como alternativa ambientalmente amigável quando os reagentes utilizados favorecem a geração de subprodutos de reação com baixo caráter poluidor, como o álcool etílico, embora os alcóxidos precursores e outros reagentes possam ter um custo elevado. As temperaturas de calcinação são geralmente mais baixas [57,58].…”
Section: Método Pechiniunclassified
“…Nesse sentido, revestimentos cerâmicos obtidos pelo método sol-gel, particularmente aqueles que formam uma rede de sílica (SiO2) são uma alternativa ecologicamente amigável aos revestimentos anticorrosivos baseados em cromo (Kunst et al, 2017;Alcantara-Garcia et al, 2020).…”
Section: Introductionunclassified
“…Os filmes obtidos pela técnica sol-gel usualmente são homogêneos e apresentam estabilidade química e térmica, alta pureza e excelentes propriedades de barreira que possibilitam seu uso como revestimento anticorrosivo. Além disso, os filmes podem ser obtidos a temperatura ambiente (Kunst et al, 2017).…”
Section: Introductionunclassified