Vinyl polymerization. 411. Experimental supports for the concept of hard and soft hydrophobic areas and monomers in the so-called uncatalyzed polymerization.
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概要
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We have proposed a concept of hard and soft hydrophobic areas (HA) and monomers. In order to verify such a concept, two series of experiments were carried out. Poly(styrene-alt-disodium maleate) (<B>1</B>) and poly(styrene-altsodium methyl maleate) (<B>2</B>) were used as initiating macromolecules for the copolymerizations of styrene/methyl methacrylate (MMA) and acrylonitrile/MMA. When <B>1</B> was used, MMA was more easily polymerized than styrene. Inversely, when <B>2</B> was used, styrene was more easily polymerized than MMA. Poly(styrene-co-sodium acrylate) (<B>3</B>) substances with various compositions were used as intiators for the copolymerizations. The produced copolymers of MMA and styrene were found to have a larger content of MMA as the mole ratio of acrylate in <B>3</B> became higher. Inversely, the produced copolymers of MMA and acrylonitrile had a larger content of acrylonitrile as the mole ratio of acrylate became higher. Those results could be reasonably explained by the concept of hard and soft hydrophobic areas and monomers.
- 公益社団法人 日本化学会の論文
著者
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Ouchi Tatsuro
Department Of Applied Chemistry Faculty Of Engineering Kansai University
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Imoto Minoru
Department of Applied Chemistry Faculty of Engineering Osaka City University
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Inaba Masaya
Department of Applied Chemistry, Faculty of Engineering, Kansai University
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