OMMT/PU/HTV硅橡胶纳米复合材料的制备与性能研究

采用硅烷偶联剂对钠基蒙脱土进行表面改性，制备有机蒙脱土（OMMT）/PU/热硫化（HTV）硅橡胶纳米复合材料，并对其性能进行研究。试验结果表明，与HTV硅橡胶相比，OMMT/PU/HTV硅橡胶纳米复合材料的热稳定性提高；当OMMT/PU用量为2份时，纳米复合材料的拉伸强度和拉断伸长率达到最大值。;The montmorillonite was modified by a silane coupling agent，and the properties of the organo-montmorillonite（OMMT）/PU/HTV silicone rubber nanocomposite were investigated.The results showed that the thermal stability of nanocomposite was improved compared with HTV silicone rubber；and the tensile strength and elongation at break of nanocomposite were maximized when 2 phr OMMT/PU was used