采用SEM、FTIR、XRD和XPS等测试方法对硫酸钙晶须的表面性质和表面结构等进行了表征,结果表明:不同硫酸钙晶须表面的钙离子活性不同,晶须表面的活性点钙离子、羟基和晶须内部的孔遭是硫酸钙晶须发生水化的主要原因。硫酸钙晶须稳定化处理的关键在于覆盖其表面活性点和消除其内部孔遭。
Characterization of the surface texture and properties of calcium sulfate whiskers by SEM, FTIR, XRD and XPS showed that the surface active site-calcium ion, the surface - OH and the inner channels played important roles in the hydration of calcium sulfate whiskers. The key of the stabilization of calcium sulfate whiskers lies in coveting their surface active site and eliminating their inner channels.