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    Synthesis of amphiphilic V-type silica nanogels and study of their self-assembling at the air-water interface

    Year: 2018

    Journal: Russ. Chem. Bull., Volume 67, NOV, page 2088–2097

    Authors: Kazakova, V. V.; Gorbatsevich, O. B.; Malakhova, Yu. N.; Buzin, A. I.; Muzafarov, A. M.

    Organizations: Russian Foundation for Basic Research [16-33-60194 mol_a_dk]; Russian Science Foundation [14-23-00231]

    Keywords: nanogels; silica nanoparticles; Langmuir-Blodgett films; self-assembly of amphiphilic macromolecules

    The methods for the synthesis of silica nanogels and a modifying agent, as well as related amphiphilic V-type silica nanogels are presented. Self-assembly of the synthesized amphi philic nanogels during the formation of Langmuir monolayers at the air-water interface is considered. Aggregate structures were revealed to form during ordering of the silica V-type nanogels at the air-water interface after collapse of the Langmuir monolayer. For the low-molecular-weight fraction of the silica nanogels, the aggregates do not completely decompose upon the expansion of the Langmuir layer since are formed by mutually penetrating macromolecules. For the highmolecular- weight fraction, they are reversibly formed and decompose in consecutive compression- expansion cycles, which is characteristic of Langmuir layers of nanoparticles.
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