Abstract
Graft polymerization of vinyltriethoxysilane (VTES) onto styrene-butadiene rubber (SBR) was carried out in latex using potassium peroxydisulfate as an initiator. Then SBR-g-VTES/silica, SBR/TESPT/silica and SBR-g-VTES/TESPT/silica were prepared by mechanical mixing with different silica loading. The silica particles dispersed uniformly in the SBR-g-VTES networks. Among the three composites, the SBR-g-VTES/Silica blends show the highest of all. The t 90 of SBR-g-VTES/TESPT/Silica composites is the shortest of all. On the other hand, the SBR-g-VTES/TESPT/silica composites exhibit highest tensile strength and hardness of all. The SBR-g-VTES/silica composites show higher tensile strength and hardness than SBR/TESPT/silica. The tanδ value (loss tangent) at -20-0°C of SBR-g-VTES/silica is slightly higher than that of SBR/TESPT/silica.
| Original language | English |
|---|---|
| Pages (from-to) | 1218-1222 |
| Number of pages | 5 |
| Journal | Polymer - Plastics Technology and Engineering |
| Volume | 51 |
| Issue number | 12 |
| DOIs | |
| State | Published - Aug 2012 |
Keywords
- Dynamic mechanical properties
- Reinforced
- SBR-g-VTES
- VTES
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