Compatibilized natural rubber/recycled ethylene-propylene-diene rubber blends by biocompatibilizer |
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| Authors: | Nabil Hayeemasae Indra Surya Hanafi Ismail |
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| Institution: | 1. Department of Rubber Technology and Polymer Science, Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, Pattani, Thailandnabil.h@psu.ac.th;3. Department of Chemical Engineering, Faculty of Engineering, University of Sumatera Utara, Medan, Sumatera Utara, Indonesia;4. School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, Penang, Malaysia |
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| Abstract: | Biocompatibilizer-based refined, bleached, deodorized palm stearin was successfully used as compatibilizer for natural rubber/recycled ethylene–propylene–diene rubber (NR/R-EPDM) blends. It seems effective in improving the state of cure, tensile properties, as well as the swelling resistance and morphology of the blends, indicating an improvement in compatibility between the NR matrix and R-EPDM rendered by biocompatibilizer. This was clearly verified by the dynamic mechanical properties of the blends. The dynamic responses obtained were clearly corresponding to the swelling result. It proves that the cross-link density plays a major role in the changes of storage modulus and degree of entanglement. |
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| Keywords: | Biocompatibilizer mechanical properties natural rubber recycled ethylene-propylene-diene rubber |
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