聚氨酯的质谱分析
Mass Spectrometry of Polyurethanes.
作者信息
Crescentini Tiffany M, May Jody C, McLean John A, Hercules David M
机构信息
Department of Chemistry, Vanderbilt University, Nashville, TN 37240, USA.
Center for Innovative Technology, Vanderbilt University, Nashville, TN 37240, USA.
出版信息
Polymer (Guildf). 2019 Oct 24;181. doi: 10.1016/j.polymer.2019.121624. Epub 2019 Jul 2.
Abstract
This review covers the applications of mass spectrometry (MS) and its hyphenated techniques to characterize polyurethane (PU) synthetic polymers and their respective hard and soft segments. PUs are commonly composed of hard segments including methylene bisphenyl diisocyanate (MDI) and toluene diisocyanate (TDI), and soft segments including polyester and polyether polyols. This literature review highlights MS techniques such as electrospray ionization (ESI), matrix assisted laser/desorption ionization (MALDI), ion mobility-mass spectrometry (IM-MS), and computational methods that have been used for the characterization of this polymer system. Here we review specific case studies where MS techniques have elucidated unique features pertaining to the makeup and structural integrity of complex PU materials and PU precursors.
摘要
本综述涵盖了质谱（MS）及其联用技术在表征聚氨酯（PU）合成聚合物及其相应的硬段和软段方面的应用。聚氨酯通常由包括亚甲基双苯基二异氰酸酯（MDI）和甲苯二异氰酸酯（TDI）的硬段以及包括聚酯和聚醚多元醇的软段组成。这篇文献综述重点介绍了诸如电喷雾电离（ESI）、基质辅助激光/解吸电离（MALDI）、离子淌度-质谱（IM-MS）等质谱技术，以及用于表征该聚合物体系的计算方法。在此，我们回顾了一些具体的案例研究，其中质谱技术阐明了与复杂聚氨酯材料和聚氨酯前体的组成及结构完整性相关的独特特征。
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