Effect of the comonomer addition sequence in the synthesis of an acrylonitrile terpolymer on the solution rheology and fiber properties |
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| Institution: | 1. A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation;2. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation;3. M. V. Lomonosov Institute of Fine Chemical Technologies, MIREA – Russian Technological University, 119571 Moscow, Russian Federation |
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| Abstract: | Polyacrylonitrile terpolymers based on acrylonitrile, acrylic acid, and methyl acrylate were synthesized by reversible addition–fragmentation chain-transfer polymerization with varying the monomer addition sequence during the synthesis. The monomer introduction sequence in the synthesis of a ternary copolymer significantly affects both the rheological properties of solutions and the strength of obtained fibers. |
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| Keywords: | polyacrylonitrile reversible addition–fragmentation chain-transfer polymerization comonomer sequence rheology fiber spinning |
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