苯乙烯氧苯丙腈型荧光分子合成及其聚合化  

Synthesis and polymerization of styrene-oxy-phenylpropionitrile fluorescent molecules

作　　者：张炳 徐贤 ZHANG Bing;XU Xian(Xi’an Aerospace Propulsion Institute,Xi’an 710100,China)

机构地区：[1]西安航天动力试验技术研究所,陕西西安710100

出　　处：《应用化工》2025年第1期177-181,共5页Applied Chemical Industry

基　　金：“科学家+工程师”队伍建设项目资助(23KGDW0022-2023)。

摘　　要：以苯甲酰乙腈、苯二甲醛类小分子为原料,利用Knoevenagel反应合成苯乙烯氧苯丙腈类荧光小分子,再进一步利用己二胺席夫碱反应聚合化,研究二醛取代位置对荧光小分子及其聚合物的紫外和荧光发光规律的影响。结果表明,间、对位二醛所得苯乙烯氧苯丙腈小分子在席夫碱聚合反应前后均表现为聚集荧光淬灭现象(ACQ),且席夫碱聚合反应既可增加荧光材料分子量,又可大幅增强材料的荧光发光性能,表明此设计可提升荧光材料的应用价值。Benzoylacetonitrile and benzodiformaldehyde small molecules were synthesized by Knoevenagel reaction,and then further synthesized by hexamethylenediamine Schiff base reaction polymerization.The effects of the substituted positions of aldehyde on the UV and fluorescent luminescence of small molecules and polymers were studied.The results showed that the small molecules of styrene-oxy-phenylpropionitrile produced by metaldehydes and para-dialdehyde exhibited aggregation fluorescence quenching(ACQ)before and after the Schiff base polymerization.The Schiff base polymerization could not only increase the molecular weight of the fluorescent materials,but also greatly enhance the fluorescence luminescence properties of the materials,indicating that the design could improve the application value of the fluorescent materials.

关 键 词：苯乙烯氧苯丙腈结构 席夫碱反应 荧光材料 聚合化 

分 类 号：TQ2[化学工程—有机化工] O633[理学—高分子化学]