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Simple synthesis of zwitterionic diblock copolymers for the application on metal nanoparticles preparation |
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| Authors: | Yaqing Liu Feng Jing Youyi Sun Guizhe zhao Hongfan Jiu Qijin Zhang |
| Affiliation: | 1. Research Center For Engineering Technology of Polymeric Composites of Shangxi, North University of China, Taiyuan, Shangxi, 030051, P. R. China 3. Tai Yuan Military Office of the Military Rep Resentative Department of the General Armoured Force, Taiyuan, Shangxi, 030051, P. R. China 2. Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China |
| Abstract: | AB diblock copolymers of poly(2-(dimethylamino)ethyl metharylate-block-potassiurn acrylate) were prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization. The structure of the block polymer was determined by the nuclear magnetic resonance (NMR) spectroscopy and the gel permeation chromatography. Moreover, it has also been shown that the diblock copolymers exhibit aggregate as function of the pH according to the result of 1H-NMR spectroscopy, FT-IR absorption spectra, UV-vis transmittance spectroscopy, transmission electron microscopy and ultrasonic particle size analyzer. The result was attributed that such AB diblock copolymers were tailored to undergo pH-induced self-assembly. Furthermore, the aggregate can be as template of metal nanoparticles preparation, and the sizes of the aggregate, in turn, strongly control nanoparticle sizes. |
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