Issue 34, 2024

Core–shell magnetic mesoporous 3-aminophenol–formaldehyde resin microspheres with rich functional groups via interface co-assembly and polymerization

Abstract

Core–shell magnetic polymer microspheres with porous organic shells are highly desired for adsorption, separation, delivery/immobilization of guest objects in catalysis, and drug release. Herein, an amphiphilic block copolymer-directed interfacial assembly and polymerization strategy was reported to synthesize magnetic mesoporous 3-aminophenol–formaldehyde resin (MMAPF) microspheres. The uniform MMAPF microspheres exhibit well-defined core–shell structures, controllable porous shell thickness, high magnetization, and superparamagnetic properties. The abundant hydroxyl and amino groups in the porous shell offer the exceptional capability for stable immobilization of ultrafine Au nanoparticles, which can serve as a magnetically recoverable heterogeneous catalyst for catalyzing the hydrogenation of 4-nitrophenol with a fast reaction rate constant (0.59 min−1) and conversion rate (99%) at room temperature and good recycling stability.

Graphical abstract: Core–shell magnetic mesoporous 3-aminophenol–formaldehyde resin microspheres with rich functional groups via interface co-assembly and polymerization

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Article information

Article type
Paper
Submitted
20 jun 2024
Accepted
24 jul 2024
First published
02 aug 2024

J. Mater. Chem. A, 2024,12, 22627-22636

Core–shell magnetic mesoporous 3-aminophenol–formaldehyde resin microspheres with rich functional groups via interface co-assembly and polymerization

J. Li, S. Liu, Y. Xie, F. Jiang, X. Huang, J. Xia, L. Wu and Y. Deng, J. Mater. Chem. A, 2024, 12, 22627 DOI: 10.1039/D4TA04277H

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