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Radical high polymerization of β-monoalkyl itaconates and characterization of the resulting polymers

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Summary

Radical polymerization behavior of itaconates with various β-monoalkyl substituents (mRI) was investigated. mRIs homopolymerize easily in bulk at 60∼90°C, to give polymers with molecular weight of 23,000∼306,000. The yield and the molecular weight of the resulting polymers were found to be slightly dependent on the alkyl substituents, and apparently higher than those of dialkyl itaconates (DRI). In the copolymerization of β-monoethyl and mono-tert-bytyl itaconates with styrene, these monomers exhibited similar reactivity toward polystyryl radical. the solubility of the poly(mRI)s in water and organic solvents varied with the structure of the alkyl substituent. Thermogravimetric analysis in a nitrogen atmosphere revealed that the initial decomposition temperatures for most of poly-(mRI)s were observed at about 150°C and poly (mono-tert-butyl itaconate) decomposed at ca. 100°C.

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Authors and Affiliations

  1. Department of Applied Chemistry, Faculty of Engineering, Osaka City University, Sugimoto, Sumiyoshi-ku, 558, Osaka, Japan

    Jian-Zhong Yang & Takayuki Otsu

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  1. Jian-Zhong Yang
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  2. Takayuki Otsu
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Yang, JZ., Otsu, T. Radical high polymerization of β-monoalkyl itaconates and characterization of the resulting polymers. Polymer Bulletin 25, 145–152 (1991). https://doi.org/10.1007/BF00310785

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