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Abstract: The molecularly imprinted technology (MIT) was employed to synthesize a molecularly imprinted polymer (MIP) for Tetrabromobisphenol A (TBBP-A) recognition. A series of molecularly imprinted nano-polymers for TBBP-A were successfully fabricated by using different functional monomers, cross-linkers. The results showed that MIP with high selectivity for TBBP-A was obtained by selecting TBBP-A as the template molecule, 2-vinylpyridine as the functional monomer, ethylene-dimethacrylate as the cross-linker. The synthesis conditions of the imprinting polymers were optimized and their selective binding characteristics were evaluated by equilibrium adsorption experiment. The results indicated that TBBP-A imprinted polymers had higher affinity character, compared with non-imprinted polymers. The selective binding experiment for similar structure substrates revealed that the TBBP-A imprinted polymers gave much higher affinity and selectivity for TBBP-A than that for bisphenol-A. This study suggests that MIT may be a potential technique in the future for the selective separation, enrichment and determination of trace TBBP-A in complex environmental matrix.
Template and target information: tetrabromobisphenol A, TBBP-A
Author keywords: Tetrabromobisphenol A, molecularly imprinted polymer, affinity characteristic