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Reference type: Journal
Authors: Pan JM, Qu Q, Cao J, Yan D, Liu JX, Dai XH, Yan YS
Article Title: Molecularly imprinted polymer foams with well-defined open-cell structure derived from Pickering HIPEs and their enhanced recognition of λ-cyhalothrin.
Publication date: 2014
Journal: Chemical Engineering Journal
Volume: 253
Page numbers: 138-147.
DOI: 10.1016/j.cej.2014.05.031
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1385894714005956

Abstract: The water-in-oil Pickering high internal phase emulsions (HIPEs) were firstly stabilized by hydrophobic silica particles with adding small amounts of nonionic surfactant Hypermer 2296. Then molecularly imprinted polymer foams (MIPFs) derived from Pickering HIPEs were evaluated as adsorbents for the selective adsorption of λ-cyhalothrin. The results of characterization indicated that MIPFs possessed open-cell structure, interconnecting pores, thermal stability, moderate hydrophobicity and mechanical robust. The adsorption capacity for λ-cyhalothrin were closely related with the morphologies of the MIPFs, such as void diameter and interconnectivity, which could be easily tailored by varying the parameters of Pickering HIPEs. The batch mode experiments proved that as-prepared MIPFs exhibited the excellent adsorption capacity for λ-cyhalothrin (46.10 μmol g-1 at 25 C) and enhanced recognition towards λ-cyhalothrin over fenvalerate and diethyl phthalate
Template and target information: λ-cyhalothrin
Author keywords: Molecularly imprinted polymer foams, Pickering HIPEs, Enhanced recognition, Open-cell structure, λ-Cyhalothrin

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