Polymer-silica nanocomposites prepared by sol-gel technique: Nanoindentation and tapping mode AFM studies

José Carlos Rodríguez Hernández, Manuel Salmerón Sánchez, José Luís Gómez Ribelles, Manuel Monleón Pradas

研究成果: Contribution to journalArticle

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Polymer-silica nanocomposites based on poly(2-hydroxyethyl acrylate) (PHEA) have been prepared by the simultaneous polymerization of the organic and the silica phases in a sol-gel process with the silica precursor tetraethyl orthosilicate (TEOS). The structure of this system is investigated using atomic force microscopy (AFM) in the tapping mode and in nanoindentation experiments. The structure of the PHEA/silica hybrids strongly depends on the ratio of both components in the system. For silica weight fractions lower than 0.15, the system consists of aggregated silica particles dispersed in the organic matrix; above that concentration of silica the structure is co-continuous with that of the organic matrix, similarly to two interpenetrated networks.

元の言語英語
ページ(範囲)2775-2783
ページ数9
ジャーナルEuropean Polymer Journal
43
発行部数7
DOI
出版物ステータス出版済み - 7 1 2007
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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    Rodríguez Hernández, J. C., Salmerón Sánchez, M., Gómez Ribelles, J. L., & Monleón Pradas, M. (2007). Polymer-silica nanocomposites prepared by sol-gel technique: Nanoindentation and tapping mode AFM studies. European Polymer Journal, 43(7), 2775-2783. https://doi.org/10.1016/j.eurpolymj.2007.04.021