Continuous Synthesis of Spherical Polyelectrolyte Brushes by Photo-Emulsion Polymerization in a Microreactor

文献类型： 外文期刊

第一作者： Zhang, Ziyu

作者： Zhang, Ziyu;Zhang, Yuhua;Tian, Yang;Fu, Zhinan;Guo, Jiangtao;He, Guofeng;Li, Li;Zhao, Fang;Guo, Xuhong;He, Guofeng;Guo, Xuhong

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关键词： spherical polyelectrolyte brushes; photo-emulsion polymerization; microreactor

期刊名称：POLYMERS （ 影响因子：5.0； 五年影响因子：5.0 ）

ISSN：

年卷期： 2023 年 15 卷 23 期

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收录情况： SCI

摘要： Nanosized spherical polyelectrolyte brushes (SPBs) are ideal candidates for the preparation of nanometal catalysts, protein separation, and medical diagnostics. Until now, SPBs have been synthesized by photo-emulsion polymerization in a batch reactor, which remains challenging to scale up. This paper reports a successful continuous preparation of SPBs by photo-emulsion polymerization in a self-made microreactor. The effects of residence time, monomer concentration, and feed ratios on the conversion of monomers and SPB structures are systematically investigated by dynamic lighting scattering and transmission electron microscopy. Poly(acrylic acid) (PAA) SPBs obtained in a microreactor exhibiting a narrow size distribution with a short reaction time are very effective in inhibiting the calcium carbonate scale and are comparable to those produced in a batch reactor. This work confirms the feasibility of continuous preparation and scaled-up production of SPBs.

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