球形硅微粉的制备现状

Current Status of Preparation Methods of Spherical Silica Micro-Powder

球形硅微粉因其具有许多优越的性能,在航空、医药、涂料、催化及电子等领域被广泛应用。本文着重介绍了球形硅微粉的制备方法如火焰法、高温熔融喷射法、等离子体法、气相法、溶胶-凝胶法、沉淀法和微乳液法等,并提出了制备过程中存在的问题及解决办法。

Spherical silica powders which have many superior properties are widely applied in aviation, medicine, paints, catalysis, and elec tronics industry etc. This paper mainly introduced the preparation methods of spherical silica powder, such as flame method, high temperature melting injection method, plasma method, gas phase method, sol-gel method, precipitation method, micro-emulsion method and so on, and proposed existing problems and solutions during the preparation..