支化(高分子化学)
聚合
自由基聚合
高分子化学
碎片(计算)
冰毒-
化学
可逆加成-断裂链转移聚合
聚合物
材料科学
有机化学
丙烯酸酯
共聚物
计算机科学
操作系统
作者
Kriti Kapil,Arman Moini Jazani,Julian Sobieski,Letícia Madureira,Grzegorz Szczepaniak,Michael R. Martinez,Adam Gorczyński,Hironobu Murata,Tomasz Kowalewski,Krzysztof Matyjaszewski
出处
期刊:Macromolecules
[American Chemical Society]
日期:2024-05-29
卷期号:57 (11): 5368-5379
被引量:1
标识
DOI:10.1021/acs.macromol.4c00408
摘要
Topology significantly impacts polymer properties and applications. Hyperbranched polymers (HBPs) synthesized via atom transfer radical polymerization (ATRP) using inimers typically exhibit broad molecular weight distributions and limited control over branching. Alternatively, copolymerization of inibramers (IB), such as α-chloro/bromo acrylates with vinyl monomers, yields HBPs with precise and uniform branching. Herein, we described the synthesis of hydrophilic HB polyacrylates in water by copolymerizing a water-soluble IB, oligo(ethylene oxide) methyl ether 2-bromoacrylate (OEOBA), with various hydrophilic acrylate comonomers. Visible-light-mediated controlled radical branching polymerization (CRBP) with dual catalysis using eosin Y (EY) and copper complexes resulted in HBPs with various molecular weights (
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