A novel well-defined amphiphilic diblock copolymer containing perfluorocyclobutyl aryl ether-based hydrophobic segment
作者:Dong Yang、Liang Tong、Yongjun Li、Jianhua Hu、Sen Zhang、Xiaoyu Huang
DOI:10.1016/j.polymer.2010.02.036
日期:2010.4
(Mw/Mn ≤ 1.15). PMOMA-b-PTPFCBBMA well-defined diblock copolymers were synthesized by ATRP of TPFCBBMA at 90 °C in anisole using Br-end-functionalized PMOMA homopolymer as macroinitiator and CuBr/PMDETA as catalytic system. The final PAA-b-PTPFCBBMA amphiphilic diblock copolymers were obtained via the selective hydrolysis of PMOMA block in dilute HCl without affecting PTPFCBBMA block. The critical micelle concentrations
通过丙烯酸甲酯(MOMA)和甲基丙烯酸4-(4'-对甲苯氧基全氟环丁氧基)苄酯(TPFCBBMA)的连续原子转移自由基聚合(ATRP),合成了一系列定义明确的二元亲水-亲水二嵌段共聚物。疏水性聚(丙烯酸甲氧基甲酯)(PMOMA)链段水解为亲水性聚(丙烯酸)(PAA)链段。MOMA的ATRP通过2-MBP,在50发起℃下在本体,得到具有窄分子量分布的两种不同的均聚物PMOMA(中号瓦特/中号Ñ ≤1.15)。PMOMA- b-PTPFCBBMA定义明确的二嵌段共聚物是通过在90℃下在苯甲醚中以TPFCBBMA的ATRP合成的,其中Br-末端官能化的PMOMA均聚物为大分子引发剂,而CuBr / PMDETA为催化体系。最终的PAA- b- PTPFCBBMA两亲性二嵌段共聚物是通过在稀盐酸中选择性水解PMOMA嵌段而不影响PTPFCBBMA嵌段而获得的。以pyr为探针,通过荧光光谱法测定了PAA-