摘要
简单介绍了目前国内外各种测定游离-NCO的方法,包括化学分析法、电位滴定法、红外光谱法、分光光度法及色谱法,阐述了各种方法的测定原理及其优缺点。
Various methods of determining free isocyanato at home and abroad at present are introduced simply, including chemical analysis method, potentiometric titration method, infrared spectrum method, spectrophotometry and chromatography method. Determining principle, advantages and disadvantages of various methods are described.
出处
《化学推进剂与高分子材料》
CAS
2008年第4期16-19,共4页
Chemical Propellants & Polymeric Materials
关键词
聚氨酯
游离-NCO
测定
polyurethane
free isocyanato
determination
