Determination of the Coreactant Level in Crosslinked Polyurethane System by FTIR
作者单位：Dow Chemical (China) Investment Co.Ltd.
会议名称：《第二十届全国分子光谱学学术会议暨2018年光谱年会》
会议日期：2018年
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070302[理学-分析化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学]
关 键 词：Infrared spectrum Two-part polyurethane In-situ reaction monitor Deuteration experiment
摘 要：Infrared spectrum is a general quantitation method which can be used to determine the concentration of a certain component in *** proposed that it could also be used to determine the coreactant level of a reactive system.A two-part polyurethane film was used as a model *** results showed that the height ratio of ring mode signal in urea and C—O signal in polyester polyol can be used to calculate the ratio of the two *** assignments of the peaks were studied by in-situ reaction monitoring with moisture level changes and deuteration *** applicable conditions of this calibration curves were also discussed.