An efficient preparation of porous polymeric microspheres by solvent evaporation in foam phase

doi:10.1016/j.cjche.2020.09.002

Chinese Journal of Chemical Engineering ›› 2021, Vol. 29 ›› Issue (1): 409-416.DOI: 10.1016/j.cjche.2020.09.002

• Materials and Product Engineering • Previous Articles Next Articles

An efficient preparation of porous polymeric microspheres by solvent evaporation in foam phase

Yang Yu¹, Guiying Li¹, Wanqing Han¹, Linhua Zhu¹, Tian Si¹, Hong Wang², Yanlin Sun¹, Yanping He¹

1 Faculty of Chemical Engineering, Kunming University of Science and Technology, Chenggong Campus, Kunming 650504, China;
2 Faculty of Science, Kunming University of Science and Technology, Chenggong Campus, Kunming 650504, China

Received:2020-07-14 Revised:2020-08-20 Online:2021-04-02 Published:2021-01-28
Contact: Yanlin Sun, Yanping He
Supported by:
The study was financially supported by National Natural Science Foundation of China (22068018, 21466016 and 51863011), Natural Science Foundation of Yunnan Province (2016FB024) and Yunnan Ten Thousand Talents Plan Young & Elite Talents Project.

An efficient preparation of porous polymeric microspheres by solvent evaporation in foam phase

Yang Yu¹, Guiying Li¹, Wanqing Han¹, Linhua Zhu¹, Tian Si¹, Hong Wang², Yanlin Sun¹, Yanping He¹

1 Faculty of Chemical Engineering, Kunming University of Science and Technology, Chenggong Campus, Kunming 650504, China;
2 Faculty of Science, Kunming University of Science and Technology, Chenggong Campus, Kunming 650504, China

通讯作者: Yanlin Sun, Yanping He
基金资助:
The study was financially supported by National Natural Science Foundation of China (22068018, 21466016 and 51863011), Natural Science Foundation of Yunnan Province (2016FB024) and Yunnan Ten Thousand Talents Plan Young & Elite Talents Project.

Abstract

Abstract: This paper reports an efficient method of preparing porous polymeric microspheres by solvent evaporation in foam phase, in which phase separation between polymer and porogen occurs in foam phase instead of that in water phase by using the traditional solvent evaporation method. The method provides outstanding features, including being time-saving, of high-yield and able for continuous production, in which formation of porous polymeric microspheres finished within 3 min with a high production yield up to approximate 95 wt% and the process was able to be developed into a continuous process for production of porous polymeric microspheres. It was also universal to non-crosslinked polymers since the method is a development on the traditional emulsion solvent evaporation method. The new method is efficient and can be used potentially on the industrial scale for continuous production of porous polymeric microspheres.

Key words: Continuous process, Foam phase, High-yield, Polymer microsphere, Solvent evaporation, Time-saving

摘要： This paper reports an efficient method of preparing porous polymeric microspheres by solvent evaporation in foam phase, in which phase separation between polymer and porogen occurs in foam phase instead of that in water phase by using the traditional solvent evaporation method. The method provides outstanding features, including being time-saving, of high-yield and able for continuous production, in which formation of porous polymeric microspheres finished within 3 min with a high production yield up to approximate 95 wt% and the process was able to be developed into a continuous process for production of porous polymeric microspheres. It was also universal to non-crosslinked polymers since the method is a development on the traditional emulsion solvent evaporation method. The new method is efficient and can be used potentially on the industrial scale for continuous production of porous polymeric microspheres.

关键词: Continuous process, Foam phase, High-yield, Polymer microsphere, Solvent evaporation, Time-saving

Yang Yu, Guiying Li, Wanqing Han, Linhua Zhu, Tian Si, Hong Wang, Yanlin Sun, Yanping He. An efficient preparation of porous polymeric microspheres by solvent evaporation in foam phase[J]. Chinese Journal of Chemical Engineering, 2021, 29(1): 409-416.

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An efficient preparation of porous polymeric microspheres by solvent evaporation in foam phase

An efficient preparation of porous polymeric microspheres by solvent evaporation in foam phase

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