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A study of curative interactions in cis-1,4-polyisoprene. X. The cis-1,4-polyisoprene/sulfur/zinc dimethyldithiocarbamate and cis-1,4-polyisoprene/sulfur/zinc dimethyldithiocarbamate/ZnO systems

✍ Scribed by F. W. H. Kruger; W. J. McGill

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
614 KB
Volume
45
Category
Article
ISSN
0021-8995

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Study of curative interactions in cis-1,
Study of curative interactions in cis-1,4-polyisoprene. XII. The cis-1,4-polyisoprene–sulfur–tetramethylthiuram disulphide–ZnO–stearic acid vulcanization system
✍ F. W. H. Kruger; W. J. McGill 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 820 KB

## Abstract Several aspects on the mechanism of vulcanization in the synthetic __cis__‐1,4‐polyisoprene (IR)‐sulfur‐tetramethylthiuram disulphide (TMTD)–ZnO system were harmonized. The differential scanning calorimetry (DSC) thermograms showed that the vulcanization processes became better resolved

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Study of curative interactions in cis-1,4-polyisoprene (IR). VII. The cis-1,4-polyisoprene–tetramethylthiuram disulfide–ZnO system
✍ F. W. H. Kruger; W. J. McGill 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 727 KB

A detailed account of the mechanism of crosslinking in the cis-1,4-polyisoprene (1R)tetramethylthiuram disulfide (TMTD ) -ZnO system is given. Many experimental observations were harmonized in terms of a radical mechanism, rather than an ionic mechanism. Electron spin resonance (ESR) spectra on the