Journal
MACROMOLECULAR MATERIALS AND ENGINEERING
Volume 306, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.202000643
Keywords
CO; (2) capture; hypercrosslinked polymers; large‐ scale and simple preparation strategies; layer‐ by‐ layer self‐ assembly; microporous polymeric films
Funding
- National Natural Science Foundation of China [51473048, 21603067, 51773055]
- Hubei Nature Science Foundation of China [2014CFB549, 2019CFB748]
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A novel and simple strategy was developed to fabricate microporous polymeric film with industrial application potential. By combining self-assembly technology and post-treatment, the film exhibits good CO2 capture capabilities, large-scale feature, and certain improved mechanical properties.
Large-scale and simple strategies to flexibly preparing materials with industrial application potential attract people's attention. Layer-by-layer (LBL) self-assembly technology is a typical preparation method for current nanomaterials to address the large-scale concern and achieve the possibility of a simple, streamlined and controllable process. Here, a novel and simple strategy is developed to fabricate microporous polymeric film (MPF) based on poly(styrene-hydroxyethyl methylacrylate) (P(St-HEMA)) microspheres, in combination with LBL self-assembly technology and hypercrosslinked microporous post-treatment. To improve the mechanical properties of the film, the buffer layer of polyethyleneimine (PEI) and poly(sodium-p-styrenesulfonate) (PSS) are used to avoid swelling of nanoparticles and the methacryloxyethyltrimethyl ammonium chloride (DMC) is chosen to increase the force between the nanoparticles via UV-crosslinking. The MPF has well CO2 capture capabilities up to 46.21 wt% (10.52 mmol g(-1)), large-scale feature and certain improved mechanical properties. It is hoped that the research could display a successful strategy to prepare the large-scale film for the application of industrialization.
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