Issue 35, 2024

Facile synthesis of asymmetric molecular brushes with triple side chains using a multivalent monomer strategy

Abstract

Heterografted molecular brushes (HMBs) bearing two or more types of side chains have attracted tremendous attention because of their asymmetric structures and multiple functionalities. However, the controlled synthesis of HMBs with three types of side chains remains a challenge. The structure–property–application correlations of HMBs with three types of side chains are still not clear. Herein, based on the multivalent monomer strategy, we report the synthesis of well-defined asymmetric HMBs comprising three different side chains by sequential reversible addition–fragmentation chain transfer (RAFT) polymerization, atom transfer radical polymerization (ATRP), thiol–epoxy coupling reaction, and ring-opening polymerization (ROP). PA-g-PAzo/PEG/PLA with a polyacrylate (PA) backbone, hydrophobic poly(azobenzene-methacrylate) (PAzo) brush, hydrophilic polyethylene glycol (PEG) brush, and hydrophobic polylactide (PLA) brush was synthesized and characterized. The self-assembly behavior of PA-g-PAzo/PEG/PLA with a short backbone and relatively strong intermolecular association in solutions was investigated. Well-defined platelets with tunable morphologies were constructed. Subsequently, PA-g-PFA/PEG/PLA with a fluorophilic poly(pentafluoropropyl acrylate) (PFA) brush, hydrophilic PEG brush, and lipophilic PLA brush was synthesized and further used as an efficient surfactant for the stabilization of different emulsions. Our study offers a platform for exploring the unique properties of asymmetric HMBs.

Graphical abstract: Facile synthesis of asymmetric molecular brushes with triple side chains using a multivalent monomer strategy

Supplementary files

Article information

Article type
Paper
Submitted
17 Мау. 2024
Accepted
02 Там. 2024
First published
08 Там. 2024

Polym. Chem., 2024,15, 3552-3562

Facile synthesis of asymmetric molecular brushes with triple side chains using a multivalent monomer strategy

S. Cao, W. Liu, B. Yang, Y. Zheng, S. Lin and B. Xu, Polym. Chem., 2024, 15, 3552 DOI: 10.1039/D4PY00656A

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements