综述了SiO2气凝胶的原料、凝胶工艺、干燥工艺、性能与应用的基本规律和最新进展,展望了SiO2气凝胶未来的研究方向.在SiO2气凝胶优异性能被广泛认同的前提下,工艺研究的重心集中在克服低成本化和强度、吸湿性等,应用研究主要集中在热学、吸附与催化等领域.
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