采用1,2-双-(三甲氧基硅基)-乙烷(BTME)和聚甲基含氢硅氧烷(PMHS)作为反应组分,在无需模板剂的溶胶-凝胶体系中制备了孔壁镶嵌乙基和孔道表面挂载甲基的有机-无机杂化多孔凝胶材料.用固体硅核磁共振、傅里叶红外光谱、低温氮气吸附/脱附、高分辨透射电镜、接触角测定和热重分析等手段研究了材料的结构和性能.结果表明,在PMHS/BTME质量比为1∶8、碱量为0.08 g、水量为2 mL的溶胶-凝胶条件下,制备出的疏水有机-无机杂化凝胶材料骨架稳定性良好,结构性能优异(比表面积和孔体积分别为1076 m2/g和1.03 cm3/g).
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