| Study on Low Temperature Resistance of NR Compound |
| Received:March 30, 2021 Revised:March 30, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.09.0693 |
| Key Words: NR；low temperature resistance；rubber blending；carbon black；plasticizer；resin；sulfur |
| Author Name | Affiliation | E-mail | | WANG Xianbin* | Quakesafe Technologies Co.Ltd | 284539524@qq.com | | ZHAO Qingbin | Quakesafe Technologies Co.Ltd | | | LI Shiyao | Quakesafe Technologies Co.Ltd | | | YANG Yongbing | Quakesafe Technologies Co.Ltd | | | ZHAO Runmei | Quakesafe Technologies Co.Ltd | |
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| Abstract: |
| The low temperature resistance of natural rubber（NR） compound was studied. The results
showed that the low temperature resistance of NR compound could be improved by rubber blending，
optimization of the filler and plasticizer type，and adjustment on the sulfur amount. The plasticizer with low
glass transition temperature and good compatibility with NR could improve the low temperature resistance
of the compound. The low temperature resistance of the compound could be obviously improved by using
low structural carbon black. The addition of resin was unfavorable to the low temperature resistance of
the compound. The combination of accelerators had little effect on the low temperature resistance of the
compound，but the sulfur addition level had a great effect on the low temperature resistance of the compound. |
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