Synthesis of Monodisperse PEG/SiO₂ Hybrid Microspheres by Microfluidic Methods

Yue-Zhong WangLaboratory for New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Chemical Engineering, Qingdao University, Qingdao, 266071, China

Bing YuLaboratory for New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Chemical Engineering, Qingdao University, Qingdao, 266071, China;Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, ChinaCorrespondence[email protected]

Xiao-Dan XuLaboratory for New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Chemical Engineering, Qingdao University, Qingdao, 266071, China

Hua YuanLaboratory for New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Chemical Engineering, Qingdao University, Qingdao, 266071, China;Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, China

Hai-lin CongLaboratory for New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Chemical Engineering, Qingdao University, Qingdao, 266071, China;Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, Qingdao University, China

Xiao-Hui GaoLaboratory for New Fiber Materials and Modern Textile, Growing Basis for State Key Laboratory, College of Chemical Engineering, Qingdao University, Qingdao, 266071, China

Abstract

In this paper, we reported an effective microfluidic-based method for fast continuous synthesis of monodisperse PEG/SiO₂ hybrid microspheres. The T-junction microfluidic chip equipped with rounded channels and the online photopolymerization system were applied for the microspheres microfabrication. The size of the microspheres was well controlled by the rounded channels and flow rate ratios of immiscrible fluids. We can obtain porous PEG microspheres when the hybrid microspheres were corroded by hydrofluoric acid. What's more, the interpenetrating polymer network structures of SiO₂ microspheres were obtained after the hybrid microspheres treated via a calcination process.

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Synthesis of Monodisperse PEG/SiO₂ Hybrid Microspheres by Microfluidic Methods

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Synthesis of Monodisperse PEG/SiO₂ Hybrid Microspheres by Microfluidic Methods