Modified silica-based isoprene rubber composite by a multi-functional silane: Preparation and its mechanical and dynamic mechanical properties |
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| Institution: | 1. Department of Chemical Engineering, Engineering Faculty, University of Sumatera Utara, Medan, 20155, Sumatera Utara, Indonesia;2. School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, 14300, Penang, Malaysia;1. College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China;2. Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agriculture Sciences, Zhanjiang 524001, China;1. Division of Materials Science and Chemical Engineering, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan;2. Material Research and Development HQS, Sumitomo Rubber Industries, Ltd., 2-1-1, Tsutsui-cho, Chuo-ku, Kobe, 651-0071, Japan;1. State Key Laboratory of Chemical Resource Engineering, School of Science, Beijing University of Chemical Technology, Beijing, 100029, P.R. China;2. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P.R. China |
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| Abstract: | Modified silica-based isoprene rubber (IR) composite has been designed and prepared by using a multi-functional silane, 2-aminoethyl-2-(3-triethoxysilylpropyl)aminoethyl disulfide (ATD), as coupling agent. Such modification significantly improved the dispersity of silica in the corresponding composites, as verified by SEM observation. And the hardness, tensile strength, stress at definite elongation, tear strength and temperature rise as well as the value of dynamic loss coefficient ranging from 0 °C to 80 °C of silica/IR vulcanized composites, are significantly improved, especially with low ATD dosage (2–4 phr). This modification of silica-based IR composite by employing ATD as coupling agent provides a facile and effective method to prepare silica-based rubber composites with improved mechanical properties and low hysteresis. |
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| Keywords: | Multi-functional silane Silica-based isoprene rubber composite Dispersion Mechanical properties Dynamic mechanical properties |
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