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http://dx.doi.org/10.7473/EC.2016.51.3.218

Dynamic Mechanical and Morphological Properties of Natural Rubber Vulcanizates Containing Fillers  

Lee, Hae Gil (Nexen Corp. Tech Center, Department of Polymer Engineering, Pukyong National University)
Park, Chan Young (Nexen Corp. Tech Center, Department of Polymer Engineering, Pukyong National University)
Publication Information
Elastomers and Composites / v.51, no.3, 2016 , pp. 218-225 More about this Journal
Abstract
In order to examine correlation between silane coupling agent and activator which affects the physical properties of silica filled natural rubber compound, such as heat buildup, rebound property, dynamic mechanical and morphological properties were measured. With incorporation of silane coupling agent, $tan{\delta}$ at $0^{\circ}C$ was increased and at $60^{\circ}C$ was decreased, which resulted in improving of wet grip and rolling resistance. When silane coupling agent which is corresponding to 8~10% of silica was used, most favorable heat build up and $tan{\delta}$ was obtained. And also when activator was used, dispersibility of silica was improved as a result of reduction of reaggregation of silica.
Keywords
silane coupling agent; natural rubber; heat buildup; rebound property; dynamic mechanical properties; silica;
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