溶胶凝胶法制备布洛芬表面分子印迹聚合物及其性能研究

doi:10.3969/j.issn.1001-1803.2022.05.005

Abstract

Abstract:

Using ibuprofen as template molecule, 3-aminopropyl triethoxysilane （APTES） as functional monomer and ethyl orthosilicate （TEOS） as crosslinking agent, molecularly imprinted polymers （MIPs） were synthesized by sol-gel method and surface imprinting technology. The morphology of the synthesized MIPs was characterized by scanning electron microscopy （SEM）. The adsorption behavior of ibuprofen on MIPs was evaluated by static and dynamic adsorption experiments, and the high selectivity of MIPs to ibuprofen was evaluated by selective experiment. The results showed that MIPs could achieve adsorption equilibrium with ibuprofen at 150 min, and the imprinted factor was 1.7, and the saturated adsorption capacity was 45.9 mg/g. Compared with non-imprinted polymers, MIPs had specific recognition and high selectivity for ibuprofen. In addition, the adsorption capacity of ibuprofen molecularly imprinted polymer prepared by sol-gel method was more than 87.6% after 5 cycles, indicative of good reusability. Therefore, the synthesized molecularly imprinted polymers have a good application prospect for the recognition and adsorption of ibuprofen.

Key words: molecularly imprinted polymer, ibuprofen, sol-gel method

CLC Number:

O631.3

Zhang Li,Wang Xin,Fan Weigang,Su Zhi. Preparation of surface molecularly imprinted polymers with ibuprofen template by sol-gel method and their properties[J].China Surfactant Detergent & Cosmetics, 2022, 52(5): 493-498.

Figures/Tables 6

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References 22

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Preparation of surface molecularly imprinted polymers with ibuprofen template by sol-gel method and their properties

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