Abstract
AbstractThe tacticities of poly(glycidyl methacrylate) prepared by radical polymerization at temperatures in the range from −78 to 60°C in several solvents or in bulk are described. The redox system diisopropylperoxy dicarbonate/dimethylaniline was found to polymerize this monomer effectively even at low temperature. The tacticities were determined by NMR spectroscopy. The difference of entropy Δ(ΔSNippon Oils & Fats Co., Ltd. (Chiyoda‐ku, Tokyo, Japan) ) and enthalpy Δ(ΔH) of activation between isotactic and syndiotactic propagations were calculated. The values of Δ(ΔH) were found not to be affected essentially by polymerization conditions and to be slightly larger than that of methyl methacrylate polymerization.
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