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Site-Specifically Initiated Controlled/Living Branching Radical Polymerization: A Synthetic Route toward Hierarchically Branched Architectures
- Li, Feng, Cao, Mengxue, Feng, Yujun, Liang, Ruiqi, Fu, Xiaowei, Zhong, Mingjiang
- Journal of the American Chemical Society 2018 v.141 no.2 pp. 794-799
- polyacrylic acid, polymerization, polystyrenes
- Controlled/living radical polymerization was developed to synthesize branched polyacrylates and polystyrene with tunable degrees of branching and low dispersities. This method is based on a polymerization-induced branching process that occurs when n-butyl α-bromoacrylate is copolymerized under atom transfer radical polymerization conditions. This novel branching polymerization demonstrates excellent synthetic versatility, enabling the preparation of complex macromolecular architectures constructed from branched-polymer building blocks.