激光光散射法测定BAG分子量及其分子量分布  

Measurement of BAG molecular weight and its distribution using laser light scattering method

作　　者：黄志萍[1] 马新刚[1] 蒋根杰[1] 曹庆玮[1] 

机构地区：[1]中国航天科技集团公司四院四十二所,西安441003

出　　处：《固体火箭技术》2004年第3期233-237,共5页Journal of Solid Rocket Technology

摘　　要：介绍了一种用于高能推进剂新型键合剂BAG分子量和分子量分布测定的激光光散射法。给出了该方法的实验原理、实验步骤。该法以合镍化钾的二甲基酰胺溶液溶剂和流动相,凝胶渗透色谱柱为分离体系,实验结果表明:准确度和精密度较好,可作为常规测定BAG分子量及其分布的方法。A laser light scattering method to determine molecular weight and its distribution of a bonding agent BAG is introduced and experimental principle and procedure are given. The method takes dilute solution of KBr in N, N-dimethyl-formamide as mobile phase and solvent, and gel permeation chromatographic column as separation system. The results show that accuracy and precision of the method is satisfactory. It can be used as a routine method to determine BAG molecular weight and its distribution.

关 键 词：分子量分布 溶剂 新型 二甲基 凝胶渗透色谱 酰胺 溶液 实验步骤 实验原理 流动相 

分 类 号：V512[航空宇航科学与技术—航空宇航推进理论与工程]