| Effect of Short Aramid Fiber on Properties of NR Compound |
| Received:August 19, 2022 Revised:August 19, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.02.0108 |
| Key Words: short aramid fiber；NR；physical property；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | QIU Jian | Qingdao University of Science & Technology | qiujian7805@163.com | | JIANG Chaojie | Qingdao University of Science & Technology | | | YAN Gang | Qingdao University of Science & Technology | | | LI Wenchao | Qingdao University of Science & Technology | | | GE Fuyu | Qingdao University of Science & Technology | | | GAO Hao | Qingdao University of Science & Technology | | | LI Li* | Qingdao University of Science & Technology | qiujian7805@163.com |
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| Abstract: |
| Based on the formula of tire tread compound，the effects of the amount and length of short aramid fiber on the properties of natural rubber（NR） compound were studied.The results showed that when the short aramid fiber length was 3 mm，the Payne effect of the compound with short aramid fiber amount of 2 phr was the weakest，and the tensile strength of the vulcanizate was the largest，the tensile stress at a given elongation and tear strength were relatively large，and the wear resistance and wet slip resistance were the best.When the short aramid fiber amount was 2 phr，the Payne effect of the compound with short aramid fiber length of 2 mm was the weakest，and the tensile stress at a given elongation and tensile strength of the vulcanizate were the largest.The vulcanizate with short aramid fiber length of 3 mm has larger tensile stress at a given elongation and tensile strength，the largest tear strength，and the best overall performance. |
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