Unique post-functionalization method for ROMP polymers based on Triazolinedione Alder-ene chemistry
作者:Yuming Zhao、Jiqiang Chen、Wen Zhu、Ke Zhang
DOI:10.1016/j.polymer.2015.07.050
日期:2015.9
efficiently post-functionalize the well-defined polymers derived from living ring-opening metathesis polymerization (ROMP). Using 4-nitrophenyl-1,2,4-triazoline-3,5-dione (p-NO2-PhTAD) as a model TAD compound to react with the double bonds in the backbone of ROMP polymers, the model polymer of poly(N-propyl-5-norbornene-exo-2,3-dicarboximide) (Poly-1) was successfully post-functionalized by grafting
基于三唑啉二酮(TAD)的Alder-ene反应已被证明是一种独特的方法,可以有效地对衍生自活性开环复分解聚合(ROMP)的明确定义的聚合物进行后官能化。使用4-硝基苯基-1,2,4-三唑啉-3,5-二酮(p -NO 2 -PhTAD)作为模型TAD化合物与ROMP聚合物骨架中的双键反应,该聚合物是通过将p -NO 2 -PhTAD官能团接枝到聚合物主链上,成功地将N-丙基-5-降冰片烯-exo -2,3-二甲酰亚胺(Poly-1)后官能化。基于TAD的Alder-ene后官能化反应和生成的p -NO通过核磁共振(NMR),凝胶渗透色谱法(GPC),热重分析(TGA)和差示扫描量热法(DSC)对2 - PhTAD功能化的Poly-1进行了系统研究。另外,使用4,4'-(4,4'-二苯基亚甲基)-双-(1,2,4-三唑啉-3,5-二酮)的双官能TAD作为模型交联剂,可以有效地生产网络材料。通