Grafting copolymerization of vinyl monomers on polyimide macroinitiators by the method of atom transfer radical polymerization
作者： A. V. Yakimanskii , T. K. Meleshko , D. M. Il’gach , N. N. Bogorad , E. N. Vlasova
DOI: 10.1007/S11172-012-0129-Z
关键词:
摘要: Graft copolymers with the main polyimide chain and side chains of poly(n-butyl acrylate), poly(tert-butyl poly(methyl methacrylate), polystyrene, polystyrene-block-poly(methyl methacrylate) were synthesized by atom transfer radical polymerization on multicenter macroinitiators in presence halide complexes univalent copper nitrogen-containing ligands. Polymerization metha-crylates is most efficiently developed macroinitiators. The obtained graft initiate secondary (“post-polymerization”) methyl methacrylate. conditions detachment polymethacrylates that do not involve ester groups their monomeric units found. molecular mass characteristics isolated polymers, being detached copolymers, determined. different chemical structures have low values polydispersity index. procedure was used for preparation new polyimides poly-4-nitro-4′-[N-methylacryloyloxyethyl-N′-ethyl]amino-azobenzene cause nonlinear optical properties poly(N,N-dimethylaminoethyl thermosensitive copolymers.
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