Polymerisation of 1,5-hexadienes

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dc.contributor.advisorVan Reenen, A. J.
dc.contributor.authorSmit, Madri
dc.contributor.otherStellenbosch University. Faculty of Science. Dept. of Chemistry & Polymer Science.en_ZA
dc.date.accessioned2012-08-27T11:34:59Z
dc.date.available2012-08-27T11:34:59Z
dc.date.issued2001-12
dc.descriptionThesis (MSc)--Stellenbosch University, 2001.en_ZA
dc.description.abstractENGLISH ABSTRACT: In this study, the feasibility of the non-conjugated 1,5-hexadiene as monomer in metallocene catalised cyclopolymerizations was considered. Homopolymers and copolymers with ethylene, propylene, 1-pentene, 1-hexene and 2-methyl-1,5- hexadiene as comonomers were synthesised in the presence of Cp2ZrCh and rac-Et(lnd)2Zrh. The microstructure (stereoregularity and cyclisation) and number-average molecular weight were determined from NMR analysis. Crystalline oligomers with functional (eg -OH) and vinylidene end groups were obtained.en_ZA
dc.description.abstractAFRIKAANSE OPSOMMING: Die studie behels die ondersoek rakende die gebruik van ongekonjugeerde 1,5- heksadieen as monomeer in metalloseengekataliseerde polimerisasies. Homopolimere, sowel as kopolimere van etlieen, propileen, 1-penteen, 1- hekseen en 2-metiel-1,5-heksadieen, is in die teenwoordigheid van Cp2ZrChen rac-Et(lnd)2ZrCI2 gepolimeriseer. Die mikrostruktuur (stereochemie en siklisering) en die getal-gemiddelde molekulêre gewig van die gesintetiseerde polimere is met behulp van KMR spektroskopie ondersoek. Die studie het getoon dat kristallyne oligomere met funksionele (bv -OH) en vinilideen endgroepe gesintetiseer is.af_ZA
dc.format.extent72, [22] p. : ill.
dc.identifier.urihttp://hdl.handle.net/10019.1/52403
dc.language.isoen_ZAen_ZA
dc.publisherStellenbosch : Stellenbosch Universityen_ZA
dc.rights.holderStellenbosch Universityen_ZA
dc.subjectPolymerizationen_ZA
dc.subjectDissertations -- Polymer scienceen_ZA
dc.subjectTheses -- Polymer scienceen_ZA
dc.titlePolymerisation of 1,5-hexadienesen_ZA
dc.typeThesisen_ZA
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