Polymeric membranes through self-initiation and self-polymerization for high-performance bioethanol pervaporation

Zhihao Si; Chang Liu; Tanlong Xue; Shuai Yang; Yuhui Cui; Yaqi Wang; Di Cai; Peiyong Qin

doi:10.1039/D2TA04701B

Polymeric membranes through self-initiation and self-polymerization for high-performance bioethanol pervaporation†

Zhihao Si,

‡^a Chang Liu,‡^a Tanlong Xue,^b Shuai Yang,^a Yuhui Cui,^a Yaqi Wang,^a Di Cai^a and Peiyong Qin

*^a

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* Corresponding authors

^a National Energy R&D Center for Biorefinery, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
E-mail: qinpeiyong@tsinghua.org.cn

^b State Key Laboratory of Chemical Resource Engineering, Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China

Abstract

Polymeric membranes are in great demand for biofuels, and ultraviolet (UV)-induced crosslinking currently shows a controllable and ultrafast ability for their fabrication, whereas the weak compatibility between the photoinitiator (PI) and polymer remains a great challenge in the large-scale supply of membranes. Herein, we report a polydimethylsiloxane (PDMS) prepolymer simultaneously functionalized with a PI and photocrosslinker, which endows the prepolymer with self-initiation and self-polymerization properties, respectively. The chemically grafted PI shows a stable and homogeneous distribution over 10 days with a superhigh loading (>5 wt%), which provides an extremely high initiation efficiency. Accordingly, the self-initiated/self-polymerized membranes exhibit an excellent comprehensive performance for bioethanol enrichment compared with the state-of-the-art polymeric membranes. Our PI–polymer design provides a general framework for the high-efficiency fabrication of polymeric membranes.

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DOI: https://doi.org/10.1039/D2TA04701B
Article type: Paper
Submitted: 13 Jun 2022
Accepted: 05 Aug 2022
First published: 05 Aug 2022

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J. Mater. Chem. A, 2022,10, 17699-17709

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Polymeric membranes through self-initiation and self-polymerization for high-performance bioethanol pervaporation

Z. Si, C. Liu, T. Xue, S. Yang, Y. Cui, Y. Wang, D. Cai and P. Qin, J. Mater. Chem. A, 2022, 10, 17699 DOI: 10.1039/D2TA04701B

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Journal of Materials Chemistry A

Polymeric membranes through self-initiation and self-polymerization for high-performance bioethanol pervaporation†

Abstract

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Polymeric membranes through self-initiation and self-polymerization for high-performance bioethanol pervaporation

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