Preparation of molecularly imprinted adsorbents and NO adsorption property

Two groups of molecularly imprinted NO adsorbents were prepared by molecularly self-assembly procedures, in which methanoic acid, acetic acid, ethanedioic acid were used as templates; acrylic acid (AA) and acryl amide (AAM) were used as functional monomers, respectively. The pore size distribution and the special surface area of the adsorbents varied with different functional monomers and templates regularly. NO adsorption capacities all decreased with the increasingly molecular diameter of templates, and when the template was the same, the adsorbents in group 1 had better NO adsorption capacities than those in group 2 due to the stronger hydrogen bond interaction between the functional monomer and NO molecule. The adsorption stability was also tested and both of MIPa1 in group 1 and MIPb1 in group 2 could maintain steady adsorption capacity during 50 times of adsorption–desorption cycle.