The Distribution Features of Photoactive Fillers in Different-Nature Polymer Matrices upon Their Impregnation in a Supercritical Carbon Dioxide Medium


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Abstract

The distribution of photoactive compounds (PACs) in polymer matrices impregnated in supercritical carbon dioxide (SC-CO2) was studied by fluorescence microscopy. The pattern of PAC distribution in polymers was shown to depend on the nature of the matrix, the degree of interaction between introduced PAC molecules and polymer fragments, and corresponding diffusion coefficients. Such information may be in demand for the design of functionally oriented polymer systems impregnated with PACs (heterogeneous catalysis, photochromic materials, and medicine).

About the authors

A. S. Kopylov

Semenov Institute of Chemical Physics

Author for correspondence.
Email: via_cetra@mail.ru
Russian Federation, Moscow, 119991

V. I. Yusupov

Institute of Photonic Technologies, Crystallography and Photonics Federal Research Center

Email: via_cetra@mail.ru
Russian Federation, Troitsk, Moscow, 108840

A. V. Cherkasova

Semenov Institute of Chemical Physics; Moscow State University

Email: via_cetra@mail.ru
Russian Federation, Moscow, 119991; Moscow, 199991

I. V. Shershnev

Semenov Institute of Chemical Physics

Email: via_cetra@mail.ru
Russian Federation, Moscow, 119991

P. S. Timashev

Institute of Photonic Technologies, Crystallography and Photonics Federal Research Center; Institute for Regenerative Medicine

Email: via_cetra@mail.ru
Russian Federation, Troitsk, Moscow, 108840; Moscow, 119991

A. B. Solovieva

Semenov Institute of Chemical Physics; Moscow State University

Email: via_cetra@mail.ru
Russian Federation, Moscow, 119991; Moscow, 199991

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