Preparation and Adsorption Properties of Molecular Imprinted Polymers of Menthyl Acetate
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Abstract:
The influence of the monomer substance, reaction solvent, nitrogen filling time, reaction temperature, monomer amount and cross linker dosage on the preparation of the molecular imprdinted polymers were investigated. The results showed that the molecular imprinted polymers prepared using menthyl acetate as the template molecules showed better selectivity using acrylamide as the monomer and N, N-dimethyl formamide as reaction solvent. After adsorption separation by the polymers, the menthyl acetate content of peppermint oil was improved to 14.65%. When the mass ratio of the template molecular, monomer and cross linker was 1:4:16, the polymers had a higher binding capacity of 5.09 mg/g and its separation factor for menthyl acetate and menthol was 1.46, showing that the imprinted polymers had good adsorption selectivity for menthyl acetate.
