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首页> 外文期刊>International Journal of Industrial Chemistry >Synthesis and utilization of epoxidized polybutadiene rubber as an alternate compatibilizer in green-tire composites
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Synthesis and utilization of epoxidized polybutadiene rubber as an alternate compatibilizer in green-tire composites

机译：环氧化聚丁二烯橡胶在绿色轮胎复合材料中的替代相容剂的合成与利用

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In the present study, epoxidized polybutadiene rubber (EBR) was synthesized from commercial-grade cis -polybutadiene rubber (BR) and was characterized by NMR, FTIR, differential scanning calorimetry, thermogravimetric analysis and surface energy by contact angle measurement. To circumvent the drawback of the existing compatibilizers, the EBR was successfully used as an alternate compatibilizer for a silica-based ‘green-tire’ composite. The significant rise of surface energy was observed after epoxidation of BR, which represents the enhancement of the polar character of the rubber chains and eventually leads to improved compatibility between silica fillers and rubber chains. Out of various epoxidation levels, EBR with 30?mol% epoxidation showed the best compatibilizing effect. The optimum loading of EBR was found to be 12% with respect to total silica content. Apart from using EBR alone as a compatibilizer, combination of EBR with commercial silane-coupling agents, namely, bis(triethoxy-silylpropyl) tetrasulphide (TESPT) and 3-aminopropyltrimethoxy silane, was also investigated. The physico-mechanical and dynamic properties of the compounds with a combination of TESPT:EBR (40:60–60:40) were comparable with those of the compound prepared using TESPT compatibilizer. The results observed with EBR-compatibilized samples revealed that EBR has a potential to be an effective compatibilizer which eventually could minimize the drawbacks associated while using commercial silane as a compatibilizer at the industrial scale.
机译：在本研究中，由商业级顺式聚丁二烯橡胶（BR）合成了环氧化聚丁二烯橡胶（EBR），并通过NMR，FTIR，差示扫描量热法，热重分析和通过接触角测量的表面能对其进行了表征。为了避免现有增容剂的缺点，EBR被成功用作二氧化硅基“绿色轮胎”复合材料的替代增容剂。 BR环氧化后观察到表面能的显着上升，这表明橡胶链极性特性的增强，最终导致二氧化硅填料与橡胶链之间的相容性得到改善。在各种环氧化水平中，环氧化30？mol％的EBR表现出最佳的增容效果。发现相对于总二氧化硅含量，EBR的最佳负载为12％。除了单独使用EBR作为增容剂外，还研究了EBR与市售硅烷偶联剂双（三乙氧基-甲硅烷基丙基）四硫化物（TESPT）和3-氨基丙基三甲氧基硅烷的组合。结合使用TESPT：EBR（40：60–60：40）的化合物的物理力学和动力学性质与使用TESPT增容剂制备的化合物的相当。用EBR增容的样品观察到的结果表明，EBR有可能成为有效的增容剂，最终可以在使用工业硅烷作为工业增容剂时最大程度地减少相关的缺点。

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