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The formation of polysulfides of 2-bisbenzothiazole-2,2'-disulfide and their reaction with 2,3 dimethyl-2-butene

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dc.contributor.advisor McGill WJ, Prof en
dc.contributor.author Morgan B en
dc.date.accessioned 2016-09-22T13:19:01Z
dc.date.available 2016-09-22T13:19:01Z
dc.date.submitted 1995 en
dc.identifier.uri http://hdl.handle.net/20.500.11892/157480
dc.description.abstract The rate of formation of mono- and polysulfidic species of 2-bisbenzothiazole-2,2'-disulfide (MBTS) was studied at vulcanization temperatures and a reaction mechanism for the decomposition of the accelerator proposed. 2-Mercaptobenzothiazole (MBT), an impurity in MBTS, catalyzes its decomposition. The model compound, 2,3 dimethyl-2-butene, was vulcanized with MBTS and MBTS/sulfur in sealed tubes for various times and the concentrations of the residual curatives, reaction intermediates and products measured by High Performance Liquid Chromatography (HPLC). Pendent groups were shown to form via both free radical and polar mechanisms. Pendent groups of low sulfur rank crosslink mainly by their interaction with the model compound, while pendent groups of higher sulfur rank crosslink by reaction with other pendent groups. Monosulfidic pendent groups, too, react. The high mobility of species in the model compound system allows for the formation of carbon-carbon crosslinks between molecules by a free radical process. en
dc.language English en
dc.title The formation of polysulfides of 2-bisbenzothiazole-2,2'-disulfide and their reaction with 2,3 dimethyl-2-butene en
dc.type Masters degree en
dc.description.degree MSc en


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