Abstract: During the sol-gel process of organosiloxane，supermolecular self-assembly structures are often formed，which extremely affects the hydrolysis/condensation behavior of precursors. Mainly considering the effect of structure of alkyl group in the precursors molecules and the inducing action of additive molecules，this paper reviewes the typical studies about the self-assembly behavior of organosiloxane during the sol-gel process in recent years. The main directions in this field are analyzed. Designing and synthesizing the organosiloxane molecules with special functional group as precursors，based on the intermolecular interaction between precursors and additive molecules，to prepare the long-range ordered silica-based composite material by the cooperative action between hydrolysis/condensation reaction and supermolecular self-assembly structure will be the focus of research.

Key words: organosiloxane, hydrolysis, self-assembly, silica, composites

摘要： 在有机硅氧烷的溶胶-凝胶过程中，常常形成超分子自组装结构，这种自组装行为对前体水解/缩合反应过程具有非常重要的影响。本文从有机硅氧烷分子自身结构影响和外源分子的诱导作用两个方面出发，综述了近年来有关溶胶-凝胶过程中有机硅氧烷自组装行为研究方面的特色工作。分析了该领域未来发展的主要方向，指出设计合成含有独特官能团的有机硅氧烷为前体，引入外源分子，基于外源分子与前体分子之间的相互作用构筑有机硅氧烷超分子体系，利用水解/缩合过程与自组装体系之间的协同作用制备具有长程有序的硅基复合材料，将是该领域未来研究的重点。

关键词: 有机硅氧烷, 水解, 自组装, 二氧化硅, 复合材料