| 水滑石对轮胎胎侧橡胶复合材料微观形貌与性能的影响 |
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| 引用本文： | 窦疏威,许宗超,孙崇志,温世鹏,刘力.水滑石对轮胎胎侧橡胶复合材料微观形貌与性能的影响[J].合成橡胶工业,2022,0(4):285-288. |
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| 作者姓名： | 窦疏威 许宗超 孙崇志 温世鹏 刘力 |
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| 作者单位： | 北京化工大学 a.化工资源有效利用国家重点实验室；b.北京市先进弹性体工程技术研究中心，北京 100029 |
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| 摘 要： | 将水滑石（LDHs）加入到轮胎胎侧橡胶中制得LDHs/橡胶复合材料，研究了LDHs在橡胶复合材料中的分散状态及对胎侧橡胶复合材料的硫化特性、力学性能和耐老化性能的影响。结果表明，LDHs穿插在炭黑粒子之间，形成均匀分散；LDHs可以促进硫化，缩短橡胶复合材料的硫化时间，并提高其定伸应力和撕裂强度、改善耐老化性能。当LDHs的用量为4份（质量）时，与未添加LDHs橡胶复合材料相比的抗张积老化系数提高了25.7%。
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| 关 键 词： | 水滑石 橡胶复合材料 轮胎胎侧 微观形貌 硫化特性 力学性能 耐老化性能 |
Effect of layered double hydroxide on micro morphology and properties of tire sidewall rubber composites |
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| DOU Shu-wei,XU Zong-chao,SUN Chong-zhi,WEN Shi-peng,LIU lia.Effect of layered double hydroxide on micro morphology and properties of tire sidewall rubber composites[J].China Synthetic Rubber Industry,2022,0(4):285-288. |
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| Authors: | DOU Shu-wei XU Zong-chao SUN Chong-zhi WEN Shi-peng LIU lia |
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| Affiliation: | a. State Key Laboratory of Chemical Resource Engineering； b. Beijing Engineering Research Centre of Advanced Elastomers, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | Layered double hydroxide compounds （LDHs） was added to tire sidewall rubber to prepare LDHs/rubber composites. The dispersion state of LDHs in the rubber composites and its effects on curing characteristics, mechanical properties and aging resistance of the tire sidewall rubber compo-sites were studied. The results showed that LDHs was interspersed between carbon black particles to form uniform dispersion. LDHs could promote cure, shorten curing time, improve tensile stress and tear strength, and improve aging resistance of the rubber compo-sites. When the amount of LDHs was 4 phr （mass）, the tensile aging coefficient increased by 25.7% compared with the composite without LDHs. |
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| Keywords: | layered double hydroxide rubber composite tire sidewall micro morphology curing characteristics mechanical property aging resistance |
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