Interfacial engineering of renewable metal organic framework derived honeycomb-like nanoporous aluminum hydroxide with tunable porosity

Chemical Science
Ye-Tang PanDe-Yi Wang

Abstract

Novel honeycomb-like mesoporous aluminum hydroxide (pATH) was synthesized via a facile one-step reaction by employing ZIF-8 as a template. This self-decomposing template was removed automatically under acidic conditions without the need for any tedious or hazardous procedures. Meanwhile, the pore size of pATH was easily modulated by tuning the dimensions of the ZIF-8 polyhedrons. Of paramount importance was the fact that the dissolved ZIF-8 in solution was regenerated upon deprotonation of the ligand under mild alkali conditions, and was reused in the preparation of pATH, thus forming a delicate synthesis cycle. The renewable template conferred cost-effective and sustainable features to the as-synthesized product. As a proof-of-concept application, the fascinating nanoporous structure enabled pATH to load more phosphorous-containing flame retardant and endowed better interaction with epoxy resin over that of commercial aluminum hydroxide. The limiting oxygen index, UL-94 vertical burning test and cone calorimeter test showed that the results of epoxy with the modified pATH rivalled those of epoxy with two times the loading amount of the commercial counterpart, while the former presented better mechanical properties. The propose...Continue Reading

References

Oct 21, 2005·Journal of Colloid and Interface Science·J Theo KloproggeRay L Frost
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Jun 24, 2011·Journal of the American Chemical Society·Chun-Jiang JiaFerdi Schüth
May 15, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Chun-Yi SunEn-Bo Wang
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Apr 21, 2016·Journal of the American Chemical Society·Li-Ping YangLi-Jun Wan
Aug 17, 2016·Angewandte Chemie·Le YuXiong Wen David Lou

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Methods Mentioned

BETA
infrared spectroscopy
X-ray
electron microscopy

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