Abstract
High-purity solanesol can be used for pharmaceutical applications, but the current method for purifying solanesol has high cost and difficult continuous operation, and the use of molecular imprinting to purify natural products is a hot research topic of current research. Solanesol molecularly imprinted polymers were synthesized via emulsion polymerization for the first time. The morphology of the SSO-MIPs was observed with a scanning electron microscope, and the effects of the synthesis time, initiator dosage, functional monomer dosage, and cross-linking agent dosage on the adsorption effects under high-temperature and rapid synthesis conditions were discussed. The results demonstrate that the optimum synthesis conditions were a ratio of the template molecules to the functional monomers to the cross-linking agents of 1:8:30 (mol:mol:mol), 10 mg of the initiator, and a synthesis temperature of 70 °C. The imprinting factor of SSO-MIPs synthesized under the optimized process was found to reach 2.51, and the SSO-MIPs synthesized by this method exhibited a good adsorption effect, emitted less pollution during the synthesis process, and are convenient for demulsification. This research reports a reliable method for the synthesis of solanesol molecularly imprinted polymers.
Highlights
Imprinted polymers (MIPs) are macromolecular materials with a specific recognition function for template molecules
Molecularly imprinted polymers (MIPs) surface are rougher than non-molecularly imprinted polymers (NIPs), which is due to the template molecules in the MIPs being removed
MIPs surface are rougher than NIPs, which is due to the template molecules in the MIPs by elution to leave stereo holes
Summary
Imprinted polymers (MIPs) are macromolecular materials with a specific recognition function for template molecules. The active free radicals to initiate the polymerization reaction, and the template molecules are combined with the functional monomers under the action of the cross-linking agent to form molecularly imprinted polymers. Solanesol is unsaturated alcohol; because it contains 9 unsaturated double bonds, it can absorb free radicals, and in addition, dehydrogenation, oxidation, and rearrangement reactions can occur In her master’s thesis, Ma reported that methyl methacrylate (MMA) is the best functional monomer for the synthesis of SSO-MIPs [22]. SSO-MIPs were synthesized by emulsion polymerization, and the effects of the amounts of the functional monomer, cross-linking agent, and initiator, as well as the synthesis temperature, on the adsorption performance of the SSO-MIPs were investigated
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