用核磁共振氢谱分析氢化苯乙烯-共轭二烯烃嵌段共聚物的苯环加氢度  

Analysis of degree of benzene ring hydrogenation in hydrogenating styrene-conjugated diene block copolymer with proton nuclear magnetic resonance spectroscopy

作　　者：李富士 莫笑君 彭红丽 杨帆 梁红文 姬相玲[2] LI Fu-shi;MO Xiao-jun;PENG Hong-li;YANG Fan;LIANG Hong-wen;JI Xiang-ling(Rubber Department of Hunan Petrochemical Co Ltd,SINOPEC,Yueyang 414014,China;Changchun Institute of Applied Chemistry/State Key Laboratory of Polymer Physics and Chemistry,Chinese Academy of Sciences,Changchun 130022,China)

机构地区：[1]中石化湖南石油化工有限公司橡胶部,湖南岳阳414014 [2]中国科学院长春应用化学研究所/高分子物理与化学国家重点实验室,长春130022

出　　处：《合成橡胶工业》2024年第5期378-382,共5页China Synthetic Rubber Industry

基　　金：湖南省科技人才托举工程项目——“小荷”科技人才专项(2023 TJ-X 15)。

摘　　要：采用核磁共振氢谱测定了苯乙烯-共轭二烯烃嵌段共聚物及其加氢反应产物氢化苯乙烯-共轭二烯烃嵌段共聚物(HSBC)的微观结构和组成,计算了HSBC的苯环加氢度,并与紫外光谱法的计算结果进行对比分析。结果表明,与紫外光谱法相比,核磁共振氢谱法具有步骤简单、快捷高效等优势,由其计算所得HSBC的苯环加氢度与紫外光谱法计算结果具有较好的一致性。The microstructure and composition of styrene-conjugated diene block copolymer and its hydrogenation product hydrogenated styrene-conjugated diene block copolymer(HSBC)were determined by nuclear magnetic resonance spectroscopy,degree of benzene ring hydrogenation of HSBC was calculated and compared with the calculation result of ultraviolet spectrum.The results showed that compared with the ultraviolet spectrum,the nuclear magnetic resonance spectroscopy had the advantages of simple steps,fast and efficient,and calculated degree of benzene ring hydrogenation of HSBC was in good agreement with the calculation results of UV method.

关 键 词：苯乙烯-共轭二烯烃嵌段共聚物 加氢反应 苯环加氢度 核磁共振氢谱 紫外光谱 

分 类 号：TQ334.3[化学工程—橡胶工业]