2005•Journal of Building MaterialsRequires access
Preparation of Microparticles with Supercritical Solution Precipitation Technology
Peng Zhang
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Abstract
The use of supercritical fluids as media for the formation of particles is a recent development. Three kinds of methods to prepare ultrafine particles by supercritical fluids are described, including rapid expansion from supercritical solution, supercritical anti-solvent precipitation and particles from gas-saturated solutions. Principles and characteristics of the three ways and progress in application of supercritical solution precipitation are introduced.