温敏性微凝胶的研究技术

Techniques in the Study of Temperature-sensitive Microgels

温敏性微凝胶因具有尺寸小、对温度的变化响应速度快、渗透性好等优点,所以在许多领域显示出良好的应用前景。温敏性微凝胶的应用性能取决于由其结构所决定的物理化学性能。为了深入了解温敏性微凝胶的结构与性能关系,研究人员利用不同技术手段进行了广泛研究。本文主要综述了显微技术、示差扫描量热技术、光散射技术、中子散射技术、核磁共振及荧光光谱等在温敏性微凝胶结构与性能研究中的应用、主要研究结果,并对微凝胶未来的研究方向提出了一些建议。

Temperature-sensitive microgels show potential application prospects in many areas, contributing to their advantages such as small sizes, the rapid response to changes in temperature and the good permeability. The application performance of temperature-sensitive microgels depends on their physicochemical properties, which are dependent on their structures. In order to elucidate the relations between the structure and properties of temperature- sensitive microgels,a wide variety of research has been carried out through various techniques. In this paper,the main techniques utilized in the study of temperature-sensitive microgels, including microscopy technique, differential scanning calorimetry, light scattering, neutron scattering, nuclear magnetic resonance and fluorescence spectroscopy, are reviewed as well as the primary results obtained. The future directions in the study of temperature-sensitive microgels are suggested finally.