期刊
POLYMER SCIENCE SERIES A
卷 51, 期 6, 页码 658-666出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0965545X09060108
关键词
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资金
- Russian Foundation for Basic Research [08-03-00269, 08-03-00445]
- Netherlands Organisation for Scientific Research [06-04-89402]
Formation of homo- and copolymers of various structures (random and block) based on tert-butyl acrylate and n-butyl acrylate via polymerization mediated by trithiocarbonates as reversible addition-fragmentation chain-transfer agents has been studied. The process is found to proceed according to a three-stage mechanism. As a result, it is possible to synthesize symmetric triblock copolymers with the use of polymer trithiocarbonates; the polymer reversible addition-fragmentation chain transfer agent predetermines the composition and molecular mass of end blocks, the composition of the monomer mixture determines the structure of the central block, and the concentration of the agent and the conversion of the monomers define its molecular-mass characteristics. The modification of polymerization products gives rise to amphiphilic copolymers.
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