利用羟基硅油(HSO)对白炭黑(SiO2)进行疏水改性,并用过氧化二异丙苯(DCP)对丁苯橡胶(SBR)胶浆进行适度交联,通过粒子填充法制备了超疏水SBR-SiO2涂层.研究了HSO、SiO2和DCP用量及交联条件对涂层成膜性能和润湿性能的影响,探讨了涂层热氧老化和紫外光老化过程中超疏水性能的变化.结果表明,当m (HSO)∶m(SiO2)=1∶1、HSO-SiO2用量为3.5g、DCP用量为0.25g、交联温度为155℃、交联时间为20min时,涂层成膜性能好,接触角为157.0°,且热氧老化和紫外光老化后仍保持较好的超疏水性.扫描电镜照片表明涂层具有微纳米多尺度粗糙结构.
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