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中文摘要：
采用环氧化天然橡胶（ENR）作为界面改性剂,研究其用量对天然橡胶（NR）/炭黑复合材料加工性能、动态力学性能和物理性能的影响.结果表明：少量ENR可以改善NR/炭黑复合材料的加工性能,改善炭黑粒子在橡胶基体中的分散,提高结合胶质量分数,同时改善硫化胶的动态力学性能、物理性能和耐老化性能.当改性剂ENR用量为3～4.5份时,NR/炭黑复合材料的综合性能最佳.橡胶加工分析和动态力学分析结果表明,ENR能够显著提高NR/炭黑复合材料的抗湿滑性能,但滚动阻力略有增大.
英文摘要：
The influence of the content of ENR on the processability,dynamic mechanical properties and physical properties of NR/carbon black composites were investigated.It was found that the processability of the composites was improved by adding appropriate amount of ENR.ENR acted as a compatibilizer in the composites,the dispersion of carbon black in rubber matrix was improved,the bound rubber content increased,and the dynamic mechanical properties,physical properties and aging resistance of the vulcanizates were improved.When the addition level of ENR was 3 ～ 4.5 phr,the NR/carbon black composites possessed the best comprehensive properties.The test results by RPA and DMA indicated that,the wet skid resistance of NR/carbon black composites could be significantly improved with ENR,but the rolling resistance increased only slightly.
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