α,ω-Alkanedithiol cross-linking of high vinyl 3,4-polyisoprene

This paper evaluates the ability of α,ω-alkanedithiols to cross-link high vinyl 3,4-polyisoprene rubber (represented by Isogrip) through the thiol-ene addition reaction and provides microstructural insights into where cross-linking takes place. The thiol-ene reactions are the hydrothiolation of a C ...

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Bibliographic Details
Published inPlastics, rubber & composites Vol. 43; no. 7; pp. 217 - 224
Main Authors Hlangothi, S. P., Woolard, C. D., Hlangothi, B. G.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.09.2014
SAGE Publications
Subjects
4-Polyisoprene
Alkanedithiols
Bonding
Cross-linking
Crosslinking
High vinyl
Isogrip
Microstructure
Organic peroxides
Polymer matrix composites
Rubber
Unsaturated
Alkanedithiols
4-Polyisoprene
3
Cross-linking
High vinyl
Isogrip
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Summary:This paper evaluates the ability of α,ω-alkanedithiols to cross-link high vinyl 3,4-polyisoprene rubber (represented by Isogrip) through the thiol-ene addition reaction and provides microstructural insights into where cross-linking takes place. The thiol-ene reactions are the hydrothiolation of a C = C bond, which can be initiated in a number of ways. It has been postulated that organic peroxides are very effective in initiating such cross-links and that α,ω-alkanedithiol-ene cross-linking of high vinyl 3,4-polyisoprene primarily takes place on the α-carbon of the unsaturated sites of the rubber chains.
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ISSN:1465-8011
1743-2898
DOI:10.1179/1743289814Y.0000000092