Ruthenium(III) catalysis in polymerization of vinyl monomers by charge‐transfer mechanism with aminoalcohols and carbontetrachloride: A kinetic study

Abstract

The kinetics of ruthenium(III) catalyzed polymerization of vinyl monomers (M) (methyl-, ethyl-, and butylacrylates) by charge-transfer mechanism with aminoalcohols (AA) (namely, ethanol-, diethanol-, and triethanol amines) and carbontetrachloride in dimethylsulfoxide medium have been studied.

Kinetic study of RuIII -catalyzed polymerization of methylmethacrylate initiated with n -butylamine in the presence of carbon tetrachloride by a charge-transfer mechanism

“…Polymerization of methylmethacrylate (MMA) initiated by amines in the presence of CCl 4 by a charge-transfer mechanism [14][15][16][17][18][19][20][21][22][23][24][25], amines, and Ru III complexes is also a very effective system in atom transfer radical polymerization mechanism [26,27], and a free-radical retrograde-precipitation polymer mechanism has been studied widely by many investigators [28][29][30][31][32][33][34][35]. It has been observed that two different mechanisms [36,37] for the initiation of polymerization of MMA, involving the charge-transfer complex formed by the interaction of amine and CCl 4 -under the conditions [CCl 4 /amine]≤1-and by the interaction of amine and MMA-under the conditions [CCl 4 /amine]≥1 have been proposed.…”

Kinetics and mechanism of the charge‐transfer polymerization of methyl methacrylate initiated with n‐butyl amine and carbon tetrachloride catalyzed by palladium dichloride

“…These complexes have been widely used as heterogeneous and homogeneous catalysts in various polymerizations3–6 and redox reactions 7–15. It has been observed that very small amounts of these metal ions (∼ 10 −6 M ) are sufficient to accelerate the rate of polymerization ( R p ) of monomers, namely, methyl acrylate (MA), ethyl acrylate (EA), butyl acrylate,16 and acrylonitrile 17. These metal ions also help in the formation of charge‐transfer complexes between amine/amino alcohols and carbon tetrachloride (CCl 4 ) or monomer and themselves; these play an important role in the initiation of the polymerization processes.…”