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Molecular events in atom transfer radical polymerization of styrene and methyl acrylate
Author(s) -
Matyjaszewski Krzysztof
Publication year - 2000
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/1521-3900(200010)161:1<1::aid-masy1>3.0.co;2-3
Subject(s) - styrene , polymerization , polymer chemistry , methyl acrylate , monomer , catalytic chain transfer , radical polymerization , bulk polymerization , living free radical polymerization , atom transfer radical polymerization , acrylate , chemistry , nitroxide mediated radical polymerization , photochemistry , radical , chain transfer , reversible addition−fragmentation chain transfer polymerization , materials science , polymer , copolymer , organic chemistry
Typical reactions involved in the atom transfer radical polymerization (ATRP) are discussed and expressed as their frequencies in polymerization of styrene and methyl acrylate. In polymerization of styrene, several activation‐deactivation cycles occur before one monomer unit is incorporated and termination between growing radicals occurs 800 times slower than propagation. In methyl acrylate polymerization, several monomer molecules are incorporated during each activation step resulting in broader molecular weight distribution than in styrene ATRP. Radical termination in methyl acrylate is even slower and occurs after 400 000 monomer additions.