Use of metal organic frameworks for h2o sorption

Abstract

Embodiments of the present disclosure pertain to methods of sorption of H2O from an environment by associating the environment with a porous material such that the association results in the sorption of H2O to the porous material. The porous material includes a (M)-2,4-pyridinedicarboxylic acid coordination polymer, where M is a divalent metal ion selected from the group consisting of Mn, Fe, Co, Ni, Mg, and combinations thereof. The coordination polymer has a one-dimensional pore structure and shows reversible soft-crystal behavior. The porous material may be a Mg(II) 2,4-pyridinedicarboxylic acid coordination polymer (i.e., Mg-CUK-1). The methods of the present disclosure may also include one or more steps of releasing the sorbed H2O from the porous material and reusing the porous material after the releasing step for sorption of additional H2O from the environment.

What is claimed is: 
     
         1 . A porous material, wherein the porous material comprises a (M)-2,4-pyridinedicarboxylic acid coordination polymer, and wherein M is a divalent metal ion selected from the group consisting of Mn, Fe, and combinations thereof. 
     
     
         2 . The porous material of  claim 1 , wherein the coordination polymer has a one-dimensional pore structure and shows reversible soft-crystal behavior. 
     
     
         3 . The porous material of  claim 1 , wherein the porous material is a Mn(II) 2,4-pyridinedicarboxylic acid coordination polymer. 
     
     
         4 . The porous material of  claim 1 , wherein the porous material has a surface area ranging from about 300 m 2 /g to about 800 m 2 /g. 
     
     
         5 . The porous material of  claim 1 , wherein the porous material has a pore volume ranging from about 0.1 cm 3 /g to about 0.5 cm 3 /g. 
     
     
         6 . The porous material of  claim 1 , wherein the porous material has a density ranging from about 1 g/cm 3  to about 2 g/cm 3 .