摘要
以水化膨胀能力最强的钠蒙脱石为研究对象,利用X′PertPro粉晶X-射线衍射仪测试蒙脱石(001)晶面间距的原理,探索性地建立了使用X-射线衍射仪直接、快速评价防膨剂防膨效果的方法和实验流程。系统总结了钠蒙脱石在去离子水、有机防膨剂、无机防膨剂中的(001)晶面间距变化情况。研究表明,蒙脱石(001)晶面间距的变化能够直观的反应防膨剂的防膨效果。并且采取了先抑后膨、先膨后抑的方法对防膨剂的稳定性、持续性进行了评价,拓宽了评价防膨剂的性能参数。
This paper establishes a direct,fast method and experiment process of evaluating the effect of the inhibitor for anti-swelling by using X-ray diffraction instrument — X ' Pert Pro,taking Na-smectite for example which has the strongest swelling capacity,making use of the principle of testing the lattice spacing of smectite by X-ray diffraction instrument。It systematically tests the changes of Na-smectite treated by the distilled water,organic and inorganic inhibitors for anti-swelling of clay,shown by the research,the changes of smectite's lattice spacing can directly reflect the effect of the inhibitor for anti-swelling。And the author takes two different methods to evaluate the stability and durative of the inhibitor for anti-swelling,increasing the performance parameter of evaluating the inhibitor for anti-swelling.
出处
《西南石油学院学报》
CAS
CSCD
北大核心
2006年第5期33-35,共3页
Journal of Southwest Petroleum Institute
关键词
蒙脱石
晶面间距
粘土矿物
膨胀
X-身十线衍射
防膨剂
smectite
attice spacing
clay mineral
expansion
X-ray diffraction
inhibitor for anti-swelling
