Multisegmented polymers via step-growth and RAFT miniemulsion polymerization
文献信息
发布日期
2021-09-23
DOI
10.1039/D1PY01163D
影响因子
5.582
作者
Thiago R. Guimarães, Dewen Zhou, Per B. Zetterlund
查看原文
摘要
We report a method to efficiently prepare multisegmented polymers via a combination of step-growth (SG) and reversible addition-fragmentation chain transfer (RAFT) polymerization. Initially, a SG-macroRAFT agent featuring several trithiocarbonate moieties distributed along the chain is synthesized by a catalyst-free Diels–Alder (DA) SG polymerization at ambient temperature. The SG-macroRAFT agent is subsequently employed as a multi RAFT transfer agent in a miniemulsion polymerization, yielding multisegmented polymers (up to Mn = 100 000 g mol−1) confined in spherical nanoparticles (approx. 100 nm). We establish critical parameters such as the influence of the SG-macroRAFT agent composition and the hydrophilic nature of the initiator on the formation of the multisegmented polymer. Herein, we employed styrene as a model monomer, yet this platform technology can be readily translated to other vinylic monomers.
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来源期刊
Polymer Chemistry
CiteScore:
8.6
自引率:
7.3%
年发文量:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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