| Study on Microwave Devulcanization of Non-polar Vulcanizates |
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| DOI： |
| Key Words: microwave；devulcanization；non-polar vulcanizate；carbon black |
| Author Name | Affiliation | | Zhao Shugao | Qingdao Institute of Chemical Technology | | Zhang Ping | Qingdao Institute of Chemical Technology | | Chang Yonghua | Qingdao Institute of Chemical Technology | | Liu Xiaohong | Qingdao Institute of Chemical Technology | | Zhai Junxue | Qingdao Institute of Chemical Technology |
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| Abstract: |
| Based on the transformation law of microwave in non-polar vulcanizates，the relationship of the different rubber and reinforcing agent types and the rubber crumb size to the devulcanization cycle and temperature was investigated and the influence of the said factors on the physical properties and the swelling characteristics of devulcanizates was discussed.The results showed that the temperature rise of rubber crumb with large particle diameter was fast；the temperature rise of NR crumb was faster than that of SBR crumb；and the temperature rise of carbon black-f illed rubber crumb was faster than that of silica-filled rubber crumb.The swelling characteristic data showed that in terms of devulcanizing effect，NR crumb was better than SBR crumb，the rubber crumb(1～3 mm in diameter) was better than rubber powder(40 and 60 mesh)，and silica-filled rubber was better than carbon blackfilled rubber crumb. |
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