{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390001206520046464.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1295/koron1944.20.49"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"2293780"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/2293780"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I2293780"}},{"identifier":{"@type":"NAID","@value":"130003835565"}}],"dc:title":[{"@language":"en","@value":"The Estimation of the Reactivity of the Growing Ion by Chain Transfer Reaction in Cationic Polymerization"},{"@value":"移動反応によるカチオン重合連鎖の反応性の評価に関する研究"},{"@language":"ja-Kana","@value":"スピン ラベルホウ ニヨル ブブン カキョウシタ チョウサ アルキル ポリエチ"}],"dcterms:alternative":[{"@language":"en","@value":"I. The Comparison between <I>para</I>-and <I>ortho</I>-Chlorostyrene and Styrene"},{"@value":"第1報パラおよびオルトクロルスチレンとスチレンとの比較"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Styrene, <I>para</I>-and <I>ortho</I>-chlorostyrene were polymerized by SnCl<SUB>4</SUB>-CCl<SUB>8</SUB>COOH at 30°C. The relative reactivities of monomers and growing ions were estimated by copolymerization and chain transfer reaction to toluene, respectively. The reactivities of monomers and growing ions were found to be in the order of styrene><I>o</I>-chlorostyrene><I>p</I>-chlorostyrene and <I>o</I>-chlorostyrene><I>p</I>-chlorostyrene>styrene, respectively. The chlorostyrenes, which have smaller reactivities of monomers than styrene, have larger reactivities of growing ions than styrene, similarly to the tendency found in radical polymerization. The relationships between the reactivities of the two isomers of chlorostyrenes, however, were opposite to this tendency.<BR>The reactivities of monomers in monomer transfer reaction were found to be in the order of styrene><I>o</I>-chlorostyrene><I>p</I>-chlorostyrene.<BR>These experimental facts were discussed in correlation with the electrostatic and the steric effects of chlorine atom."},{"@value":"スチレン, パラおよびオルトクロルスチレンのSnCl<SUB>4</SUB>・CCl<SUB>3</SUB>COOHによるカチオン重合を30℃で行なって, 共重合からモノマー反応性比を, トルエンへの連鎖移動定数比から生長イオンの反応性比を推定した。その結果モノマーの反応性はスチレン>オルトクロルスチレン>パラクロルスチレンの順になり, 生長イオンの反応性はオルトクロルスチレ>パラクロルスチレン>スチレンの順になった。そしてモノマーの反応性の小さいクロルスチレンの方がスチレンよりも反応性の大きいイオンをつくることが認められ, ラジカル重合における一般的傾向と一致した。しかしクロルスチレンの異性体どうしでは逆の関係になることがわかった。一方モノマー移動反応におけるモノマーの反応性はスチレン>オルトクロルスチレン>パラクロルスチレンの順になった。これらの実験事実を塩素原子の静電的および立体的効果に基いて検討した。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410009221021798656","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254393781"}],"foaf:name":[{"@language":"en","@value":"Imanishi Yukio"},{"@language":"ja","@value":"今西 幸男"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Polymer Chemistry, Faculty of Engineering, Kyoto University"},{"@language":"ja","@value":"京都大学工学部高分子化学教室"}]},{"@id":"https://cir.nii.ac.jp/crid/1410572170975173248","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254393899"}],"foaf:name":[{"@language":"en","@value":"Mizote Atsunobu"},{"@language":"ja","@value":"溝手 敦信"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"京都大学工学部高分子化学教室"},{"@language":"en","@value":"Department of Polymer Chemistry, Faculty of Engineering, Kyoto 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Toshinobu"},{"@language":"ja","@value":"東村 敏延"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Polymer Chemistry, Faculty of Engineering, Kyoto University"},{"@language":"ja","@value":"京都大学工学部高分子化学教室"}]},{"@id":"https://cir.nii.ac.jp/crid/1410572170975173251","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254393901"}],"foaf:name":[{"@language":"en","@value":"Okamura Seizo"},{"@language":"ja","@value":"岡村 誠三"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Polymer Chemistry, Faculty of Engineering, Kyoto University"},{"@language":"ja","@value":"京都大学工学部高分子化学教室"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00232556"},{"@type":"EISSN","@value":"18848079"},{"@type":"NDL_BIB_ID","@value":"000000018247"},{"@type":"ISSN","@value":"03686280"},{"@type":"LISSN","@value":"03686280"},{"@type":"NCID","@value":"AA11880229"}],"prism:publicationName":[{"@language":"en","@value":"Kobunshi Kagaku"},{"@language":"ja","@value":"高分子化學"},{"@language":"en","@value":"Kobunshi Kagaku"},{"@language":"ja","@value":"高分子化學"}],"dc:publisher":[{"@language":"en","@value":"The Society of Polymer Science, Japan"},{"@language":"ja","@value":"公益社団法人 高分子学会"}],"prism:publicationDate":"1963","prism:volume":"20","prism:number":"213","prism:startingPage":"49","prism:endingPage":"57"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/2293780"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I2293780"}],"availableAt":"1963","dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:0037008760"},{"@type":"NDL_SEARCH","@value":"oai:ndlsearch.ndl.go.jp:R000000004-I2293780"},{"@type":"CROSSREF","@value":"10.1295/koron1944.20.49"},{"@type":"CIA","@value":"130003835565"}]}