| Curing Behavior of Styrene-Isoprene-Butadiene Rubber |
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| DOI： |
| Key Words: styrene-isoprene-butadiene rubber；curing behavior；curing reversion；dynamic loss |
| Author Name | Affiliation | | LIU Zhong | Qingdao University of Science and Technology | | SUN Chong | Qingdao University of Science and Technology | | ZHANG Ping | Qingdao University of Science and Technology |
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| Abstract: |
| The curing behavior of styrene-isoprene-butadiene rubber（SIBR） was studied，and compared with isoprene rubber （IR），styrene-butadiene rubber（SBR） and butadiene rubber（BR）.The results showed that，compared with IR，SBR and BR，the unfilled SIBR had longer scorch time and lower curing rate.With carbon black，the scorch time of SIBR decreased obviously，the curing rate increased and the compound had good plateau cure. However，when the curing temperature was higher than 170 ℃，there was a remarkable reversion in SIBR，which resulted in vulcanizates having a large temperature increase during dynamic compression process and high dynamic loss.The optimum curing temperature for SIBR was 150 ℃. |
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