Effect of polyethyleneglycol on polymerization of methyl methacrylate initiated by sodium salt-type macromolecular electrolytes

The polymerization of vinyl monomer initiated by polyethyleneglycol (PEG) in aqueous solution was carried out at 85°C with shaking. Acrylonitrile (AN), methyl methacrylate (MMA), and methacrylic acid were polymerized by PEG–300 (M̄n = 300), whereas styrene was not. The effects of the amounts of monomer and PEG, the molecular weight of PEG, and the hydrophobic group at the end of PEG molecule on the polymerization were studied. The selectivity of vinyl monomer and the effect of the hydrophobic group are discussed according to “the concept of hard and soft hydrophobic areas and monomers.” The kinetics of the polymerization was investigated. The overall activation energy in the polymerization of AN was estimated as 37.9 kJ mol−1. The polymerization was effected by a radical mechanism.

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Vinyl polymerization. 416. Polymerization of vinyl monomer initiated by polyethyleneglycol

Ouchi

Hosaka

Beika

et al. 1983

J. Polym. Sci. Polym. Chem. Ed.

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Effect of polyethyleneglycol on polymerization of methyl methacrylate initiated by sodium salt-type macromolecular electrolytes

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Vinyl polymerization. 416. Polymerization of vinyl monomer initiated by polyethyleneglycol

Vinyl polymerization. 416. Polymerization of vinyl monomer initiated by polyethyleneglycol

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