Calculation of topological parameters of hyperbranched macromolecules synthesized via living radical polymerization |
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| Authors: | S A Kurochkin V P Grachev G V Korolev |
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| Institution: | (1) Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432, Russia |
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| Abstract: | Numerical calculations of the kinetic model of synthesis of hyperbranched polymers in the living radical polymerization mode were performed. Analytical expressions were obtained that make it possible to predict the maximum yield of hyperbranched polymers and their topological parameters, such as the branching frequency; the numbers of living ends, monomer units and multiple bonds per macromolecule; and the degree of conversion at the gel point. The model is based on the use of a branching monomer Mm that contains m ≥ 2 polymerizable bonds in its molecule in combination with a monomer M1 capable of forming linear chains only. |
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