Effect of aerosil on the course of thiuram accelerated sulfur vulcanization
✍ Scribed by Vratislav Ducháček; Vladimír Brajko
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 311 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0021-8995
No coin nor oath required. For personal study only.
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Mixtures of tetramethylthiuram disulfide (TMTD)/ZnO and TMTD/sulfur/ZnO were heated in a DSC to various temperatures. Zinc dimethyldithiocarbamate (Zn,(dmtc)J formed only in undried TMTD/ZnO mixes, the reaction being catalyzed by water on the ZnO surface. The presence of ZnO delays the decomposition
Polyisoprene/tetramethylthiuram disulfide (TMTD)/sulfur compounds were vulcanized under a variety of conditions. TMTD does not decompose to tetramethylthiourea (TMTU) at vulcanization temperatures as has been suggested, neither is it formed as an integral part of the crosslinking process. Instead, i