低场核磁共振技术在材料领域的应用  

Application of Low-Field Nuclear Magnetic Resonance Technology in the Field of Materials

作　　者：王苗苗 姚雅萱[1] 蒲成 任玲玲[1] WANG Miaomiao;YAO Yaxuan;PU Cheng;REN Lingling(National Institute of Metrology,Beijing 100029,China)

机构地区：[1]中国计量科学研究院,北京100029

出　　处：《计量科学与技术》2021年第1期50-54,93,共6页Metrology Science and Technology

基　　金：中国计量科学研究院基本科研业务费项目(AKYZD1805)。

摘　　要：随着材料领域的不断发展,对测量及表征手段的要求日益增加。低场核磁共振技术具有简单快速、结果可靠、适用性广、重复性好等优点,在材料领域具有极大的应用潜力。本文介绍了低场核磁共振技术的原理,概括了其在多孔材料、高分子材料、纳米材料和脂肪材料四个方面的应用及发展,最后提出了该技术在材料领域有待解决的问题并展望了应用前景。With the continuous development in the field of materials,there is an increasing demand for measurement and characterization tools.The low-field nuclear magnetic resonance(NMR)technique has the advantages of simplicity,rapidity,reliable results,wide applicability,and good reproducibility,and has great potential for application in the field of materials.This paper introduces the principle of the low-field NMR technique,outlines its application and development in four areas:porous materials,polymer materials,nanomaterials,and fatty materials,and finally presents the problems to be solved and prospects for the application of this technique in the field of materials.

关 键 词：低场核磁共振 弛豫时间 多孔材料 高分子材料 纳米材料 脂肪材料 

分 类 号：O657.2[理学—分析化学] TB302[理学—化学]