溶胶-凝胶(Sol-Gel)技术在氧化物纤维中的应用

The Technique of Sol-Gel and the Application in Preparation of Metal Oxide Fibers

溶胶-凝胶(Sol-Gel)技术是一种很有发展前途的固体材料制备方法,已引起众多领域重视.简述了溶胶-凝胶技术的发展历史,总结了溶胶-凝胶技术的分类、原料以及无机盐和金属醇盐的水解反应机理,并概括了该技术的优点及存在的问题,着重介绍了溶胶-凝胶技术在耐烧蚀陶瓷纤维、高温超导纤维、铁电压电纤维、磁性纤维等氧化物纤维制备方面的应用现状,并对溶胶-凝胶技术的未来发展进行了展望.

Sol-gel technique is a powerful approach in preparation of solid material, which has drawn great attention in many fields. This paper gives a brief introduction to the phylogeny of sol-gel technique, classification, raw materials, as well as the hydrolysis mechanism of inorganic compounds and ferroelectric-piezoelectric fiber, and magnetic fiber is presented especially. In the end, the future of sol-gel technique is went on to consider.