Assessment of kinetics of photoinduced Fe‐based atom transfer radical polymerization under conditions using modeling approach
作者： Yin-Ning Zhou , Zheng-Hong Luo
DOI: 10.1002/AIC.15850
关键词:
摘要: Kinetic insight into photoinduced Fe-based atom transfer radical polymerization (ATRP) involving monomer-mediated photoreduction was performed by modeling approach for the first time. Preliminary numerical analysis of number-average molar mass (Mn) derivation in this specific system given. Simulation results provided a full picture reactant concentration and reaction rate throughout entire polymerization. Methyl 2,3-dibromoisobutyrate (MibBr2) generated from methyl methacrylate (MMA)-mediated as leading factor deviation Mn theoretical value confirmed contributions α-bromophenylacetate (EBPA) containing system. Reasonable predictions were made with respect to polymerizations under variety initial conditions. Results show that increasing light intensity will shorten transition period increase steady state rate; decreasing catalyst loading cause decrease deviation; varying initiation activity slightly time attain dispersity (Mw/Mn) evolution enormously change fraction contributions; targeted chain length extend period, rate, degree same contributions, Mw/Mn. The presented work clearly demonstrates unique ability our describing kinetics ATRP MMA. © 2017 American Institute Chemical Engineers AIChE J,
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