| Study on Dynamic Vulcanization of EPDM-g-GMA/NR Blends |
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| DOI： |
| Key Words: EPDM；NR；graft；GMA；dynamic vulcanization；blend |
| Author Name | Affiliation | | Zhang Xiangfu | Shanghai Jiaotong University | | Xu Qi | Shanghai Jiaotong University | | Zhang Yinxi | Shanghai Jiaotong University | | Yang Yuzhi | Shanghai Jiaotong University |
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| Abstract: |
| The dynamic vulcanization of EPDM-g-GMA(glycidyl methacrylate)/NR blends were studied.The influence of the amount of GMA，the type and amount of crosslinking agent and the dynamic vulcanizing conditions on the physical properties of EPDM-g-GMA/NR blends was investigated.The results showed that the tensile strength of the dynamically vulcanized blend was 48.2% higher than that of statically vulcanized blend，and the thermal oxygen aging property also improved significantly；the better physical properties of the dynamically vulcanized blends were obtained when 3～5 phr of GMA and 0.3 phr DETA were used；and the dynamic vulcanizing conditions had little influence on the properties of the blends.It was confirmed by the infrared spectrum that GMA did graft onto EPDM. |
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