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Updated: Jun 19, 2026

Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
Published on: July 9, 2015
Synthesis and characterization of magnetic nanoparticle/block copolymer composites
Chieh-Tsung Lo1, Chun-Jung Chao
1Department of Chemical Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 701, Taiwan, ROC. tsunglo@mail.ncku.edu.tw
Abstract:
A simple strategy to improve the particle dispersion and structural ordering of magnetic nanoparticle/block copolymer composites is demonstrated. This method consists of manipulating both the block copolymer structure in a solvent and the relative interactions of particle/solvent and polymer/solvent to facilitate the self-assembly of particles in the preferred domain of the block copolymer. In a neutral solvent, the freely expanded structure of the polymer and the slightly weaker affinity between particle and solvent than between particle and polymer promotes the selection of particles in the preferred domain of the block copolymer. Furthermore, more particles are allowed to be incorporated into the polymer matrix while still obtaining the nicely ordered structure when these particles exhibit smaller magnetization.
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