| Preparation and Properties of ENR/NBR Blends |
| Received:June 14, 2023 Revised:June 14, 2023 |
| DOI：10.12136/j.issn.1000-890X.2023.12.0958 |
| Key Words: ENR；NBR；blend；curing characteristic；physical property；hysteresis loss |
| Author Name | Affiliation | E-mail | | CONG Houluo* | Xuzhou College of Industrial Technology | conghouluo@163.com | | DONG Qixuan | Xuzhou College of Industrial Technology | | | WANG Kai | Xuzhou College of Industrial Technology | | | XU Yunhui | Xuzhou College of Industrial Technology | | | WEI Bangfeng | Xuzhou College of Industrial Technology | | | ZHOU Jianshi | Jiangsu Huaxin New Materials Co.，Ltd | |
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| Abstract: |
| The epoxidized natural rubber（ENR）/nitrile rubber（NBR） blends were prepared using
dicumyl peroxide（DCP） as a curing agent，and their properties were studied. The results showed that the
ENR/NBR blending ratio and the curing agent DCP dosage had little effect on the scorching time and curing
rate of ENR/NBR compound. When the curing agent DCP dosage was 3 phr and the ENR/NBR blending
ratio was 5/95～15/85，the physical properties of ENR/NBR vulcanizate were slightly improved compared
to NBR vulcanizate. When the ENR/NBR blending ratio was 20/80 and the curing agent DCP dosage was
2 phr，the tensile strength and elongation at break of ENR/NBR vulcanizate were the largest. The hysteresis
loss analysis revealed that the ENR/NBR vulcanizate consumed more energy during the stretching process. |
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