Influence of Eco-Friendly Processing Aids on SilicaBased Rubber Compo…
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논문명 | Influence of Eco-Friendly Processing Aids on SilicaBased Rubber Composites |
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저자 | Sung Ho Song |
저널명 | Applied Sciences |
게재년월 | 2020/10/16 |
Vol. pp |
As eco-friendly “green tires” are being developed in the tire industry, conventionally
used carbon black is being replaced with silica in rubber compounds. Generally, as a lubricant and
dispersing agent, processing aids containing zinc ions have been employed as additives. However,
as zinc is a heavy metal, alternative eco-friendly processing aids are required to satisfy worldwide
environmental concerns. Furthermore, non-toxic, degradable, and renewable processing aids are
required to improve the mechanical properties of the rubber composites. In this study, we
evaluated the effects of diverse silica-based processing aids containing hydrocarbon, benzene, and
hydroxyl functional groups on the mechanical properties of rubber composites. Among them,
rubber composites that used amphiphilic terpene phenol resin (TPR) with hydrophilic silica
showed compatibility with the hydrophobic rubber matrix and were revealed to improve the
mechanical and fatigue properties. Furthermore, owing to the enhanced dispersion of silica in the
rubber matrix, the TPR/styrene butadiene rubber composites exhibited enhanced wet grip and
rolling resistance. These results indicated that TPR had multifunctional effects at low levels and
has the potential for use as a processing aid in silica-based rubber composites in tire engineering
applications.