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University of Delaware researcher describes new approach for creating organic zeolites
Date:7/24/2014

d make construction very difficult. In the same way, molecules don't always bond perfectly the first time, and they may need to detach, adjust and reattach to achieve a desired structure. If the reaction is irreversible, molecules can get stuck in a non-ideal position," he says.

Using a mixed solvent with low solubility, Yan's research team devised a way to slow the polymer's intrinsic reactivity down, allowing it to be reversible. At the same time, lowering the temperature reduced the molecules' reactivity and lengthened the reaction time, allowing the molecules to adjust their alignment before becoming connected.

The result is a crystalline porous material with large pores, a large surface area (2,346 square meters the equivalent of nearly half an American football field per gram) and excellent thermal stability (530 degrees C).

According to Yan, the technique and the new materials it produces can be immediately useful in catalysis and separations for chemicals production and hydrocarbon conversion for energy applications. He also sees potential for organic zeolites to influence energy research, particularly in membrane development, and fuels cells and battery applications.

"Using organic zeolites in a membrane configuration for separation would naturally reduce the energy cost for separation. I want to leverage this discovery and put forward a new concept in the development of membranes," Yan says.


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Contact: Donna O'Brien
dobrien@udel.edu
University of Delaware
Source:Eurekalert  

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University of Delaware researcher describes new approach for creating organic zeolites
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