Abstract
The possibility of implementing entropic mixing for preparing nanocomposites based on thermodynamically compatible components was studied in this work. Polylactide was used as matrix polymer; molecular silicasols with modified surface were employed as a filler. The shell hydrophile of these particles decreases interfacial tension and prevents their aggregation in the bulk of the nanocomposite. A preliminary assessment of the thermodynamic compatibility of polylactide with the selected type of molecular silicasols was performed. The structure of obtained composites was studied by small-angle X-ray scattering. The necessity of modifying the nanoparticle surface by groups compatible with the matrix polymer, which makes it possible to prepare a composite where all filler is dispersed within the matrix to the nanoscale level without using supplementary dispersion techniques, was shown in the work.
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Original Russian Text © A.S. Zhiltsov, I.B. Meshkov, T.S. Kurkin, O.B. Gorbatsevich, V.V. Kazakova, A.A. Askadskii, O.A. Serenko, A.N. Ozerin, A.M. Muzafarov, 2013, published in Rossiiskie Nanotekhnologii, 2013, Vol. 8, Nos. 9–10.
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Zhiltsov, A.S., Meshkov, I.B., Kurkin, T.S. et al. Structure of polylactide-modified silicasol nanocomposites based on thermodynamically compatible components. Nanotechnol Russia 8, 644–654 (2013). https://doi.org/10.1134/S1995078013050157
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DOI: https://doi.org/10.1134/S1995078013050157