作者:Aydan Dag、Mehtap Aydin、Hakan Durmaz、Gurkan Hizal、Umit Tunca
DOI:10.1002/pola.26254
日期:2012.11.1
1.16), respectively, using Diels–Alder click reaction in toluene at 110°C. The Diels–Alder grafting efficiencies were found to be over 97% using UV spectroscopy. Moreover, the structural analyses and the molecular weights of resulting graft copolymers were determined via 1H NMR and triple detection GPC (TD‐GPC), respectively. © 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012
在这项工作中,我们使用Diels–Alder点击反应制备了各种类型的脂肪族聚碳酸酯(PC)。我们首先制备了一种新的蒽官能化的环状碳酸酯单体,蒽-9-基甲基5-甲基-2-氧代-1,3-二氧六环-5羧酸酯(2),然后将该单体进行开环聚合反应以制备PC带有蒽基侧基(PC-蒽),使用1,8-二氮杂双环[5.4.0]十一碳-7-烯(DBU)/ 1-(3,5-双(三氟甲基)苯基)-3-环己基硫脲(TU)在室温下在CH 2 Cl 2中作为催化剂和苄醇作为引发剂。随后,所得PC-蒽(M n,TDGPC = 6000 g / mol,M w / M n= 1.22)接枝了线性α-呋喃保护的马来酰亚胺封端的聚(甲基丙烯酸甲酯)(PMMA-MI)(M n,GPC = 3100 g / mol,M w / M n = 1.31)或聚(乙烯乙二醇)(PEG-MI)(M n,GPC = 550 g / mol,M w