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College of Natural Sciences(자연과학대학)Dept. of Chemistry(화학과)CH-Journal Papers(저널논문)

New half-sandwich metallocene catalysts for polyethylene and polystyrene

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dc.contributor.authorKim, Yko
dc.contributor.authorHan, Yko
dc.contributor.authorDo, Youngkyuko
dc.date.accessioned2007-11-28T02:57:24Z-
dc.date.available2007-11-28T02:57:24Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2001-09-
dc.identifier.citationJOURNAL OF ORGANOMETALLIC CHEMISTRY, v.634, no.1, pp.19 - 24-
dc.identifier.issn0022-328X-
dc.identifier.urihttp://hdl.handle.net/10203/2210-
dc.description.abstractA new type of half-sandwich metallocene catalysts for the polymerization of ethylene and styrene, Cp*MCl(DEA-R) (DEA = (OCH2CH2)(2)N, R = Me, M = Ti (1); R = Me M = Zr (2); R = n-Bu, M = Ti (3)), was prepared by the reaction of corresponding N-alkyl-N,N-diethanolamine with Cp*MCl3 in the presence of triethylamine. Compounds 1-3 are slightly air-sensitive and thermally unstable. All catalyst systems show moderate activities in ethylene polymerization and especially the 2/MMAO system gives PE with broad molecular weight distribution at all polymerization temperatures. In addition, 1/MMAO and 3/MMAO show fairly good activities in sPS polymerization in the order 3/MMAO > 1/MMAO. (C) 2001 Elsevier Science B.V. All rights reserved.-
dc.description.sponsorshipKorea Science and Engineering Foundation via CMDSen
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE SA-
dc.subjectM = TI-
dc.subjectOLEFIN POLYMERIZATION-
dc.subjectTITANIUM COMPLEXES-
dc.subjectSTEREOSPECIFIC POLYMERIZATION-
dc.subjectSYNDIOSPECIFIC POLYMERIZATION-
dc.subjectPROPYLENE POLYMERIZATION-
dc.subjectSYNDIOTACTIC POLYSTYRENE-
dc.subjectSTEREOCHEMICAL CONTROL-
dc.subjectMETAL-CATALYSTS-
dc.subjectMAO CATALYST-
dc.titleNew half-sandwich metallocene catalysts for polyethylene and polystyrene-
dc.typeArticle-
dc.identifier.wosid000171400300004-
dc.identifier.scopusid2-s2.0-0002438177-
dc.type.rimsART-
dc.citation.volume634-
dc.citation.issue1-
dc.citation.beginningpage19-
dc.citation.endingpage24-
dc.citation.publicationnameJOURNAL OF ORGANOMETALLIC CHEMISTRY-
dc.identifier.doi10.1016/S0022-328X(01)01105-6-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorDo, Youngkyu-
dc.contributor.nonIdAuthorKim, Y-
dc.contributor.nonIdAuthorHan, Y-
dc.type.journalArticleArticle-
dc.subject.keywordAuthortitanium-
dc.subject.keywordAuthordiethanolamine-
dc.subject.keywordAuthortridentate ligand-
dc.subject.keywordAuthorpolyethylene-
dc.subject.keywordAuthorpolystyrene-
dc.subject.keywordAuthorhalf-sandwich metallocene-
dc.subject.keywordPlusM = TI-
dc.subject.keywordPlusOLEFIN POLYMERIZATION-
dc.subject.keywordPlusTITANIUM COMPLEXES-
dc.subject.keywordPlusSTEREOSPECIFIC POLYMERIZATION-
dc.subject.keywordPlusSYNDIOSPECIFIC POLYMERIZATION-
dc.subject.keywordPlusPROPYLENE POLYMERIZATION-
dc.subject.keywordPlusSYNDIOTACTIC POLYSTYRENE-
dc.subject.keywordPlusSTEREOCHEMICAL CONTROL-
dc.subject.keywordPlusMETAL-CATALYSTS-
dc.subject.keywordPlusMAO CATALYST-
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