| 混炼工艺对丁苯橡胶/顺丁橡胶并用胶性能的影响 |
| Effect of Mixing Process on Properties of SBR/BR Blend |
| 投稿时间：2017-09-28 修订日期：2017-09-28 |
| DOI：10.12136/j.issn.1000-890X.2019.02.0128 |
| 中文关键词: 混炼工艺 混炼温度 转子转速 丁苯橡胶 顺丁橡胶 结合胶 |
| 英文关键词: mixing process mixing temperature rotor speed SBR BR bound rubber |
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| 中文摘要: |
| 研究混炼工艺对丁苯橡胶（SBR）/顺丁橡胶（BR）并用胶性能的影响。结果表明：将预处理白炭黑与橡胶浸润后再加入炭黑，填料的分散性提高，胶料的结合胶含量大，物理性能和耐磨性能好；在相同转子转速下，随着混炼温度提高，胶料的强度和耐磨性能总体提高；在相同混炼温度下，随着转子转速增大，胶料的强度和耐磨性能总体提高，生热降低；混炼温度和转子转速过高的胶料综合性能降低；当混炼温度为90 ℃、转子转速为70 r·min-1时，胶料的综合性能较好。 |
| 英文摘要: |
| The effect of mixing process on the properties of styrene butadiene rubber（SBR）/butadiene rubber（BR） blend was investigated. The results showed that，with the process in which pretreated silica was added first and carbon black was added in the second stage, the dispersion of the filler was improved，the rubber compound had a large content of bound rubber，good physical properties and wear resistance. At the same rotor speed，with the increase of mixing temperature，the strength and wear resistance of the vulcanized rubber were generally improved. At the same mixing temperature，with the increase of rotor speed，the strength and wear resistance of the vulcanized rubber were generally improved，and the heat build-up decreased. When the mixing temperature and rotor speed were too high，the comprehensive performance decreased. When the mixing temperature was 90 ℃ and the rotor speed was 70 r·min-1，the comprehensive performance of the vulcanized rubber was better. |
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