Preparation of magnetic polyurea microspheres by one-step precipitation polymerization

被引：2
|
作者：
Wang, Wen-Lin [1 ]
Gao, Li-Long [1 ,2 ]
Cong, Hai-Lin [1 ,2 ]
Yu, Bing [1 ,2 ]
Mou, Chun-Bo [2 ]
机构：
[1] Qingdao Univ, Coll Chem & Chem Engn, Inst Biomed Mat & Engn, Qingdao, Peoples R China
[2] Qingdao Univ, Coll Mat Sci & Engn, Growing Base State Key Lab, Lab New Fiber Mat & Modern Text, Qingdao, Peoples R China
来源：
INTEGRATED FERROELECTRICS | 2017年 / 181卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Magnetic polyurea microspheres; core-shell; magnetic silica; NANOCRYSTALS; SHELL; CORE;
D O I：
10.1080/10584587.2017.1352395
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Magnetic polyurea microspheres (MPUMs) were prepared by one-step precipitation polymerization of isophorone diisocyanate (IPDI) with water in the mixed solvent of water and acetone. Pre-prepared monodisperse and magnetic Fe3O4@SiO2 nanoparticles were added before polymerization. Then the surface morphologies of MPUMS were characterized by scanning electron microscopy (SEM). MPUMs exhibit good recycling stability assisted by the convenient magnetic separation. Therefore, MPUMs can serve as a promising carrier candidate for adsorption of dyes and treating sewage.
引用
收藏
页码：96 / 101
页数：6
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