Hypercrosslinked Phenolic Polymers with Well-Developed Mesoporous Frameworks

by J Zhang, Z A Qiao, S M Mahurin, X Jiang, S H Chai, H Lu, K Nelson, S Dai


Textural characterization of Meso‐PR samples. a) N2‐sorption isotherms. b) pore size distribution plots. c) SEM image. d) TEM image. Inset (b) is the photograph of Meso‐PR‐350, Meso‐PR‐36 and pristine PR (from top to bottom), and the diameter of pristine PR is measured as 13 mm. (hi-res image)
A soft chemistry synthetic strategy based on a Friedel–Crafts alkylation reaction is developed for the textural engineering of phenolic resin (PR) with a robust mesoporous framework to avoid serious framework shrinkage and maximize retention of organic functional moieties. By taking advantage of the structural benefits of molecular bridges, the resultant sample maintains a bimodal micro-mesoporous architecture with well-preserved organic functional groups, which is effective for carbon capture. Moreover, this soft chemistry synthetic protocol can be further extended to nanotexture other arene-based polymers with robust frameworks.

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Publication Citation

Angew. Chem. Int. Ed. 2015 pp 4582-4586
DOI: DOI: 10.1002/anie.201500305