The enhanced adsorption properties of molecular imprinted polymer material prepared using nitroxide-mediated Radical Deactivation Reversible Polymerization
نویسندگان
چکیده
The origin of the improved performance Molecular Imprinted Polymers (MIPs) prepared by Nitroxide-Mediated Radical Deactivation Reversible Polymerization (NMRP) and conventional Free (FRP) was investigated through a detailed interpretation adsorption onto imprinted- non-imprinted materials. MIPs designed for 3,5-dichlorohydroxyacetophenone (DCHA) were copolymers methacrylic acid styrene cross-linked ethylene glycol dimethacrylate. Modelling isotherms using Langmuir–Volmer model showed that enhanced to NMRP MIP due higher density molecular imprints rather than affinity DCHA. Adsorption exothermic athermal off them; caused an increase entropy. interactions between monomer DCHA measured in solution influence pH on pointed out hydrogen bonding carboxylic acids phenol group as main contribution adsorption.
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ژورنال
عنوان ژورنال: Polymer
سال: 2022
ISSN: ['1873-2291', '0032-3861']
DOI: https://doi.org/10.1016/j.polymer.2022.124841