Viscosity behavior of poly(2-vinylpyridine) of a low molecular weight.
スポンサーリンク
概要
- 論文の詳細を見る
For the data of the limiting viscosity number of poly(2-vinylpyridine) of a low molecular weight <I>M</I><SUB>w</SUB>=2.26–0.21×10<SUP>4</SUP> in benzene and methanol, the value of the thickness parameter, <I>b</I>, and the energy difference, <I>E</I>, between the gauche and trans state were discussed in terms of the theory of Rossi and Perico. It is possible to use this theory for the viscosity data in the molecular weight range of 0.35–1.30×10<SUP>4</SUP>. The values of <I>E</I> and <I>b</I> were thus estimated; <I>E</I> depended on the nature of the solvent for this polymer, while <I>b</I> was constant (0.3 nm). The temperature dependence of the calculated limiting viscosity number, <I>d</I>ln[η]⁄<I>dT</I>, in benzene and dioxane was discussed, together with the measured values.
- 公益社団法人 日本化学会の論文
著者
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Itoh Kikuo
Department Of Physics Faculty Of General Education Kumamoto University
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Yoshida Masafumi
Department Of Chemistry Faculty Of General Education Kumamoto University
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Sakamoto Noriyuki
Department of Chemistry, Faculty of General Education, Kumamoto University
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Arichi Shizuo
Department of Chemistry, Faculty of General Education, Kumamoto University
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Itoh Kikuo
Department of Chemistry, Faculty of General Education, Kumamoto University
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ITOH Kikuo
Department of Agricultural Chemistry, Gifu University
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