以十六烷基三甲基溴化铵为插层剂,用球磨法对蛭石进行了快速有机插层,用过熔融共混法制备出纳米有机蛭石/天然橡胶复合材料.用XRD、SEM、TEM对其微观结构进行了表征与分析,证明蛭石以纳米片层分散在天然橡胶基体中.力学性能测试表明:复合材料拉伸强度、扯断伸长率、300%定伸强度、邵氏A硬度、撕裂强度得到明显的改善.DMA、DSC测试表明:复合材料的模量具有明显的提高,而玻璃化转变温度无明显变化.可见有机插层蛭石对天然橡胶的综合性能具有较明显的改善作用.
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