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首页> 外文期刊>Journal of Applied Polymer Science >Effect of crosslinked structure on SO2 gas sorption properties in amino-functional copolymers
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Effect of crosslinked structure on SO2 gas sorption properties in amino-functional copolymers

机译：交联结构对氨基官能团共聚物中SO2气体吸附性能的影响

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摘要

SO2 gas sorption properties were examined for poly(styrene-co-chloromethyl styrene) functionalized with N,N-dimethyl-1,3-propanediamine (DMPDA). The DMPDA-functional copolymers were prepared under various reaction conditions. Two types of SO2 sorption behaviors were observed for these DMPDA-functional copolymers: SO2 sorption capacity was very high irrespective of slow sorption/desorption rates (type I), and the sorption/desorption rates were very fast while SO2 sorption capacity was small (type II). Fourier transform infrared analysis and dielectric loss measurement revealed that the type II sorption behavior was obtained for the highly crosslinked DMPDA-functional copolymers. The degree of cross-linking was affected by both the solvent used to react DMPDA with the copolymer and the percent conversion of the chloromethyl styrene group. It was confirmed that DMPDA-functional copolymers having a highly crosslinked structure are suitable materials in quartz crystal microbalance (QCM)type polymeric SO2 gas sensors. (C) 2003 Wiley Periodicals, Inc. [References: 19]
机译：研究了用N，N-二甲基-1,3-丙二胺（DMPDA）功能化的聚（苯乙烯-共氯甲基苯乙烯）的SO2气体吸附性能。在各种反应条件下制备DMPDA-官能共聚物。对于这些DMPDA-官能共聚物，观察到两种类型的SO2吸附行为：不论缓慢的吸附/解吸速率，SO2的吸附能力都非常高（I型），而SO2的吸附容量却很小（类型I，类型），其吸附/解吸速率非常快。 II）。傅立叶变换红外分析和介电损耗测量表明，高度交联的DMPDA-官能共聚物获得了II型吸附行为。交联度受用于使DMPDA与共聚物反应的溶剂和氯甲基苯乙烯基团的转化率的影响。已经证实，具有高度交联结构的DMPDA-官能共聚物是石英晶体微天平（QCM）型聚合物SO 2气体传感器中的合适材料。 （C）2003 Wiley Periodicals，Inc. [参考：19]

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