Star-shaped azomethines based on tris(2-aminoethyl)amine. Characterization, thermal and optical study
作者:Agnieszka Iwan、Henryk Janeczek、Bozena Kaczmarczyk、Bozena Jarzabek、Michal Sobota、Patrice Rannou
DOI:10.1016/j.saa.2009.12.030
日期:2010.2
The synthesis and detailed (physico)-chemical ((1)H/(13)C NMR, FTIR, UV-vis and elemental analysis) characterizations of new star-shaped compounds based on tris(2-aminoethyl)amine, including in their structure an azomethine function (HCN-) and alkoxysemiperfluorinated (-O-(CH(2))(3)-(CF(2))(7)-CF(3)), octadecyloxy aliphatic (-O-(CH(2))(17)-CH(3)) chain or two phenyl rings (-Ph-Ph-) as a terminal group
基于三(2-氨基乙基)胺的新型星形化合物的合成和详细的(物理)化学((1)H /(13)C NMR,FTIR,UV-vis和元素分析)表征,包括结构一个偶氮甲碱官能团(HCN-)和烷氧基半全氟化(-O-(CH(2))(3)-(CF(2))(7)-CF(3)) ))(17)-CH(3))链或两个苯环(-Ph-Ph-)作为末端基团。通过差示扫描量热法(DSC),偏振光学显微镜(POM)以及FTIR(T)和UV-vis(T)光谱研究了介晶行为。广角X射线衍射(WAXD)技术用于探究甲亚胺的结构性质。此外,对偶氮甲碱A1进行电纺丝以制备具有聚甲基丙烯酸甲酯(PMMA)的纤维,并通过DSC和POM进行了研究。另外,用氯仿浇铸了具有PMMA的A1薄膜,并将该薄膜的热性能与纤维和粉末的热性能进行了比较。结果表明,端基极大地影响了星形偶氮甲亚胺的热学和光学性质。