Through UV-initiated thiol-ene click chemistry, carbazole-substituted ladder-like structured polysilsesquioxane and cage-structured polyhedral oligomeric silsesquioxane (T8-POSS) compounds were synthesized and fully characterized. Perfectly carbazole-substituted T8-POSS was synthesized via post-modifications of a mercaptopropyl T8-POSS, while the ladder polysilsesquioxane was synthesized through a base-catalyzed hydrolysis-polycondensation reaction with a carbazole-substituted trialkoxysilane monomer. Through a comparative evaluation of the thermal, mechanical, and photophysical properties of the synthesized compounds, we demonstrate the utility and superiority of the ladder-like structure over the T8-POSS material.
通过紫外光引发的
硫醇-烯点击
化学反应,合成了
咔唑取代的梯状结构聚
硅烷基二氧杂
环戊烷和笼状结构的多面体低聚
硅烷基二氧杂
环戊烷(T8-POSS)化合物,并对其进行了全面表征。完全
咔唑取代的 T8-POSS 是通过对巯丙基 T8-POSS 进行后修饰合成的,而梯状聚
硅烷基quioxane 则是通过碱催化与
咔唑取代的三烷氧基
硅烷单体进行
水解-缩聚反应合成的。通过对合成化合物的热性能、机械性能和光物理性能进行比较评估,我们证明了阶梯状结构比 T8-POSS 材料更实用、更优越。