| 马建波,黄炜,祝静,米彦青,邹君.采用橡胶加工分析仪研究偶联剂Si747和Si75对溶聚丁苯橡胶胶料白炭黑分散性和热稳定性的影响[J].橡胶科技,2016,14(6):11-15. |
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| 采用橡胶加工分析仪研究偶联剂Si747和Si75对溶聚丁苯橡胶胶料白炭黑分散性和热稳定性的影响 |
| Study on Influence of Coupling Agent Si747 and Si75 on Silica Dispersion and Thermal Stability of Silica Filled SSBR Compound by RPA |
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| DOI： |
| 中文关键词: 橡胶加工分析仪 硅烷偶联剂 白炭黑 溶聚丁苯橡胶 分散性 热稳定性 低温混炼 |
| 英文关键词: rubber process analyzer silane coupling agent silica SSBR dispersion thermal stability low temperature mixing |
| 基金项目: |
| 中图分类号:TQ330.38＋3/＋7；TQ333.1 |
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| 中文摘要: |
| 采用橡胶加工分析仪研究偶联剂Si747和Si75对溶聚丁苯橡胶胶料白炭黑分散性和热稳定性的影响。结果表明：低温混炼的偶联剂Si747胶料的白炭黑分散性优于偶联剂Si75胶料；胶料停放过程中偶联剂Si747和Si75与白炭黑发生反应，白炭黑分散性改善；偶联剂Si75胶料的热稳定性优于偶联剂Si747胶料；偶联剂Si747胶料的混炼温度宜在130 ℃左右，偶联剂Si75胶料的混炼温度宜在160 ℃（时间不超过4 min）～170 ℃（时间不超过2.5 min）；随着胶料停放时间延长，偶联剂Si747和Si75活性发生变化，胶料热稳定性变差。 |
| 英文摘要: |
| In this study，the influence of coupling agent Si747 and Si75 on the silica dispersion and thermal stability of silica filled SSBR was investigated by using rubber process analyzer（RPA）.The results showed that the silica dispersion with Si747 was better than that with Si75 when the compound was processed by low temperature mixing.Coupling agents reacted with silica during the storage of rubber compound which further improved silica dispersion.The thermal stability of the compound containing Si75 was better than that containing Si747.The mixing temperature of the compound containing Si747 was 130 ℃，and the mixing temperature of the compound containing Si75 was from 160 ℃（no more than 4 min） to 170 ℃（no more than 2.5 min）.It was also found that when the storage time of the compound was too long，the activity of coupling agents changed and the thermal stability of the compound deteriorated. |
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