Formation of novel polymeric nanoparticles |
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Authors: | Zhang G Niu A Peng S Jiang M Tu Y Li M Wu C |
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Affiliation: | The Open Laboratory for Bond-Selective Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China. |
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Abstract: | We have found that not only block copolymers but also ionomers can self-assemble in a selective solvent to form surfactant-free nanoparticles. The self-assembly can be induced by chemical reaction, polymer-polymer complexation, and microphase inversion in addition to the temperature. A recently developed microwave method for the preparation of uniform surfactant-free polymeric nanoparticles is also reviewed. Our results have revealed that for a given dispersion, the particle surface area occupied per stabilizer (surfactant, polymer chains, and ionic groups) is close to a constant. |
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