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Abstract: Molecular imprinted polymer membranes (MIM) combine the merits of molecular imprint and membrane technology. In this work, a very thin of imprinted polymer that can specifically and selectively absorb the basic template (adenine) was grafted on the surface of polyvinylidene fluoride membrane by photo- grafting copolymerization. Because the molecular imprinted polymer is grafted on the surface of the matrix membrane without blocking the membrane pores, the resultant MIMs have high flux as microfiltration membrane (0.26 mol.m(-2) (.)h(-1) of template and flux for distilled water was 3.6 ml-mim(- 1).cm(-2) at 0.8 MPa). Moreover, the MIMs can absorb/desorb template molecules rapidly. Usually, it only takes several minutes for MIMs to absorb more than 75% of the template (adenine) in aqueous solution. And the influences of the type and amount of the functional monomers, the amount of the cross- linker on the absorption capability are discussed to determine the optimal preparation conditions
Template and target information: adenine
Author keywords: molecular imprinted membrane, photo-grafting copolymerization, adenine