| Effects of Type and Addition Level of Carbon Black on Flexing Resistance of Sidewall Compound |
| Received:December 09, 2018 Revised:December 26, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.08.0581 |
| Key Words: carbon black；sidewall compound；flexing resistance；compression fatigue temperature rising；hardness |
| Author Name | Affiliation | E-mail | | LIU Huaqiao* | Qingdao University of Science and Technology；Tire Technology Alliance | cm0004@tta-solution.com | | PAN Yiren | Qingdao University of Science and Technology | | | WANG Xiaoming | Qingdao University of Science and Technology | | | BIAN Huiguang* | Qingdao University of Science and Technology | bianhuiguang@163. com | | LI Hongwei | Tire Technology Alliance | |
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| Abstract: |
| The effects of type and addition level of carbon black on flexing resistance of sidewall compound were studied. The results showed that when the hardness of compound（Shore A hardness was 75 degree） was fixed，with the increase of particle size of carbon black，Payne effect and thermal stability of the compound decreased，the tensile stress at a given elongation increased，the tensile strength，compression fatigue temperature rising and flexing resistance decreased.When the type of the carbon black N550 was fixed，with the increase of addition level of carbon black，the Payne effect，hardness and tensile modulus of the compound increased，the elongation at break，compression fatigue temperature rising and flexing resistance decreasesd.The compression fatigue temperature rising and flexing resistance of the compound would reduced by adding environment-friendly aromatic oil when the type and addition level of carbon black were the same. |
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