Fabrication of anisotropic silica hollow microspheres using polymeric protrusion particles as templates |
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| Authors: | Bing Yu Hua Yuan Dong Wang Hailin Cong Xiaodan Xu Shujing Yang |
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| Affiliation: | 1. College of Chemical Engineering, Qingdao University, Qingdao, 266071, China
2. Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University, Qingdao, China
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| Abstract: | Anisotropic polystyrene/poly(styrene-co-divinylbenzene) (PS/P(S-DVB)) protrusion particles with various morphologies such as eyeball-like, snowman-like, and raspberry-like were synthesized using a modified seeded polymerization method by dynamically controlling and stabilizing the phase separation. The effects of swelling agent, crosslinker, and monomer concentrations on the particle morphologies were studied. Using the PS/P(S-DVB) protrusion particles as templates, anisotropic silica (SiO2) hollow microspheres were fabricated facilely. The obtained anisotropic silica hollow spheres had a potential application in rapid waste removal and detoxification extraction with a very simple procedure. |
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