Citation: Min-le Peng, Li-hua Wang, Zhi-mei Wei, Xiao-jun Wang, Quan-chao Zhang, Sheng-ru Long, Jie Yang. Structure Controlling and Adsorption Application of Polyethersulfone Porous Microspheres Prepared via Electrospraying[J]. Chinese Journal of Polymer Science, ;2014, 32(10): 1390-1399. doi: 10.1007/s10118-014-1514-x shu

Structure Controlling and Adsorption Application of Polyethersulfone Porous Microspheres Prepared via Electrospraying

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College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
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Institute of Materials Science and Technology, Sichuan University, Chengdu 610064, China
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1. Institute of Materials Science and Technology, Sichuan University, Chengdu 610064, China
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2. State Key Laboratory of Polymer Materials Engineering (Sichuan University), Chengdu 610065, China
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Received Date: 18 December 2013
Revised Date: 17 February 2014

The focus of this work is to control the structure of electrosprayed polymer microspheres and then study the effect of different structures on the microspheres' adsorption properties. Scanning electron microscopy (SEM) coupled with image analysis software was employed to evaluate the size distributions and the structure of microspheres. According to the observation and analysis results, two types of polyethersulfone (PES) porous microspheres (perfect sphere-shaped and collapsed) were prepared via electrospraying technology by adjusting the solvent and polymer molecular weight. The porous PES microspheres can remove bisphenol A (BPA) from its aqueous solution effectively. Compared with collapsed microspheres, the rough microspheres had much higher specific surface area and better mobility in the BPA aqueous solution, so it showed a better adsorption capacity than that of collapsed microspheres. The solvent evaporation rate and the occurrence rate of phase separation significantly affect the structure and morphology of microspheres.
- Electrospraying,
- Polyethersulfones microspheres,
- Structure,
- Endocrine disruptors,
- Adsorption
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