{"@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/1361699994047045376.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/pol.1982.170201204"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fpol.1982.170201204"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/pol.1982.170201204"}}],"dc:title":[{"@value":"Grafting polyesters onto carbon black. I. Polymerization of β‐propiolactone initiated by alkali metal carboxylate group on the surface of carbon black"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>By use of carbon black that contained alkali metal carboxylate (COOM; MLi, Na, K, Rb, or Cs) group as catalyst the anionic polymerization of β‐propiolactone (PL) was carried out at 50°C and the grafting of polyester onto the carbon black surface was investigated. Carbon black that contained COOM group was prepared by the reaction of carboxyl group on the surface with corresponding alkali metal hydroxide and was able to initiate the anionic ring‐opening polymerization of PL. The carbon black obtained from the reaction gave a stable colloidal dispersion in an organic solvent. It was confirmed that the polyester formed was grafted effectively onto the surface; for instance, by using carbon black that contained COOK group as catalyst the grafting ratio was increased to 145% (viz., 1.45 g of polyester was grafted/1 g of carbon black) with an increase in conversion. Furthermore, the effect of alkali metal countercation (M<jats:sup>+</jats:sup>) on the polymerization was studied. The initiating activity of COOM group on the surface increased in the following order: COOLi < COONa < COOK < COORb < COOCs. This order was in agreement with that of increasing electropositivity of these alkali metals.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699994047045377","@type":"Researcher","foaf:name":[{"@value":"Norio Tsubokawa"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994047045376","@type":"Researcher","foaf:name":[{"@value":"Akira Funaki"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994047045504","@type":"Researcher","foaf:name":[{"@value":"Yukio Hada"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994047045505","@type":"Researcher","foaf:name":[{"@value":"Yasuo Sone"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"03606376"},{"@type":"EISSN","@value":"15429369"}],"prism:publicationName":[{"@value":"Journal of Polymer Science: Polymer Chemistry Edition"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"1982-12","prism:volume":"20","prism:number":"12","prism:startingPage":"3297","prism:endingPage":"3304"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fpol.1982.170201204"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/pol.1982.170201204"}],"createdAt":"2003-04-21","modifiedAt":"2023-11-01","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1390001205468178816","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A Study on the Interaction of Poly (dimethyl siloxane) with the Surface of SiO<SUB>2</SUB> by Photoacoustic Fourier Transform Infrared Spectroscopy"},{"@value":"A Study on the Interaction of Poly (dimethyl siloxane) with the Surface of SiO2 by Photoacoustic Fourier Transform Infrared Spectroscopy"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206287650048","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Grafting of Polymers with Controlled Molecular Weight onto Carbon Black Surface."}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206288595968","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Cationic grafting from carbon black. VI Grafting of polyetheresters from carbon black by cationic ring-opening terpolymerization of tetrahydrofuran-cyclic acid anhydrides-epichlorohydrin."}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206289519104","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Grafting of polypeptide from carbon black by the ring-opening polymerization of .GAMMA.-methyl L-glutamate N-carboxyanhydride initiated by amino groups on carbon black surface."},{"@value":"Grafting of Polypeptide from Carbon Black by the Ring-Opening Polymerization of γ-Methyl l-Glutamate N-Carboxyanhydride Initiated by Amino Groups on Carbon Black Surface"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206289540864","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Preparation and Properties of Polymer-grafted Carbon Nanotubes and Nanofibers"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206290223616","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Curing of polyfunctional spiro ortho esters by carbon black."}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679098918784","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Functionalization of Carbon Material by Surface Grafting of Polymers"},{"@value":"Functionarization of carbon materials by surface grafting of polymers"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282680444907520","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"ゾルーゲル法で合成した官能基をもつシリカゲルからのエポキシドと環状酸無水物のアニオングラフト重合"},{"@language":"en","@value":"Anionic Graft Copolymerization of Epoxides and Cyclic Acid Anhydrides Initiated by Surface-Functionalized Silica Gel Prepared by Sol-Gel Process"},{"@language":"ja-Kana","@value":"ゾル ゲルホウ デ ゴウセイシタ カンノウキ オ モツ シリカ ゲル カラ ノ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681265248256","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Radical grafting from carbon black. 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Preparation of polyester-grafted carbon black with a higher grafting ratio by the copolymerization of epoxide with cyclic acid anhydrides using COOK groups on carbon black as the initiator."}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681267093632","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Heat resistant polymer-grafted carbon black. 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