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时间分辨激光光散射测量系统
引用本文:张剑文 杨玉良. 时间分辨激光光散射测量系统[J]. 高等学校化学学报, 1996, 17(5): 800-804
作者姓名:张剑文 杨玉良
作者单位:复旦大学高分子科学系,中国科学院化学研究所
基金项目:国家科委基础研究重大关键项目,国家自然科学基金,上海市科学技术发展基金
摘    要:自选设计,装配了一套时间分辨的激光光散射测量系统,该系统摄像机,录像机,计算机和自编的软件实现了一体化的数据采集,显示和分析过程,本文给出了该系统的应用实例,球晶的光散射和环氧树脂的固化反应诱导的相分离过程。

关 键 词:时间分辨光散射 相分离 光散射 环氧树脂

Time-Resolved Small Angle Laser Light Scattering Apparatus
ZHANG Jian-Wen, YAN Dong,ZHOU Hong-Wei. Time-Resolved Small Angle Laser Light Scattering Apparatus[J]. Chemical Research In Chinese Universities, 1996, 17(5): 800-804
Authors:ZHANG Jian-Wen   YAN Dong  ZHOU Hong-Wei
Abstract:In this paper,a time-resolved small angle laser light scattering(SALS)apparatus has been described.In this apparatus,a two-dimensional CCD camera has been used as a detector, then the intensity of the scattered light is converted to the digital signals and stored in the computer or in a video recorder for further data analysis. As a demonstration, the SALS pattern of polypropylene spherulite has been recorded and the data are presented in ways of grayed picture,three-demensional stack plot and contour plot. To show the feasibility of studying the dynamics of phase separation,the time evolution of light scattering during the cure-induced spinodial deconposition of an epoxy composite has been recorded.
Keywords:Time-resolved light scattering   Dynamics of phase separation  Light scattering of spherulite   Epoxy resin  
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