The Cyclocopolymerization of Triallyl Citrate with Several Vinyl Monomers
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概要
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Triallyl citrate (TAC) was copolymerized with allyl benzoate (ABz), vinyl acetate (VAc), vinyl chloride (VC), acrylonitrile (AN), and styrene (St) at 60°C with benzoyl peroxide or 2,2′,-azobisisobutyronitrile as the initiator; it was considered kinetically in terms of cyclocopolymerization. The following monomer reactivity ratios were obtained: VAc: <I>r</I><SUB>1</SUB>=1.29, <I>r</I><SUB>2</SUB>=0.76, <I>r</I><SUB>c</SUB>=0.61; ABz: <I>r</I><SUB>1</SUB>=1.63, <I>r</I><SUB>2</SUB>=1.10, <I>r</I><SUB>c</SUB>=0.47; VC: <I>r</I><SUB>1</SUB>=0.40; <I>r</I><SUB>2</SUB>=1.90, <I>r</I><SUB>c</SUB>=0.31; AN: <I>r</I><SUB>1</SUB>=0.01, <I>r</I><SUB>2</SUB>=8.7; St: <I>r</I><SUB>1</SUB>=0.03, <I>r</I><SUB>2</SUB>=53.0, where <I>r</I><SUB>1</SUB>, <I>r</I><SUB>c</SUB> and <I>r</I><SUB>2</SUB> denote the monomer reactivity ratio of the uncyclized, cyclized, and monovinyl radicals respectively. In the copolymerization of TAC with AN, the penultimate effect was also observed: <I>r</I><SUB>1</SUB>=<I>r</I><SUB>1</SUB>′=0.01, <I>r</I><SUB>2</SUB>=<I>k</I><SUB>122</SUB>⁄<I>k</I><SUB>121</SUB>=11, <I>r</I><SUB>2</SUB>′=<I>k</I><SUB>222</SUB>⁄<I>k</I><SUB>221</SUB>=5.
- 公益社団法人 日本化学会の論文
著者
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Matsumoto Akira
Department Of Aeronautics And Astronautics Faculty Of Engineering Kyushu University
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Oiwa Masayoshi
Department of Applied Chemistry, Faculty of Engineering, Kansai University
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Ohata Tetsuji
Department of Applied Chemistry, Faculty of Engineering, Kansai University
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