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Journal of Materials Science

, Volume 44, Issue 22, pp 6206–6211 | Cite as

Preparation and characterization of molecularly imprinted polymers for the selective separation of 2,4-dichlorophenoxyacetic acid

  • Yeon-Hum Yun
  • Ho-Kyong Shon
  • Soon-Do YoonEmail author
Article

Abstract

As a method of preparing ligand-selective cavities in a synthetic polymer matrix, molecular imprinting technique has been attracting significant interest from a large number of areas in chemistry and analytical sciences. In this study, molecularly imprinted polymers (MIPs) were prepared with styrene, 4-vinylpyridine (4-VPy), and divinylbenzene (DVB) for the separation of hazardous 2,4-dichlorophenoxyacetic acid (2,4-D), and the selectivity of MIPs as adsorbed 2,4-D and structurally similar materials was evaluated. The template was removed through the swelling process of toluene/ethanol, and the removal ratio was about 95–99%, respectively. MIPs synthesized in this study had good adsorption selectivity in the presence of other materials, although there was a difference of adsorption quantities (uptake) in the functional monomer (4-VPy contents) and the cross-linker (DVB contents). The results exhibit that the selectivity of MIPs was improved significantly by controlling the cross-linker. We expect that molecular imprinting technique will serve as a novel method for selective separation of specific materials in various fields, especially in the fields of environment and pharmaceutics.

Keywords

Benzoic Acid Guest Molecule Functional Monomer Imprint Polymer Selectivity Factor 

Notes

Acknowledgements

This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2007-412-J02001).

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of Geosystem EngineeringChonnam National UniversityKwangjuSouth Korea
  2. 2.Faculty of EngineeringUniversity of TechnologySydneyAustralia
  3. 3.Faculty of Applied Chemical Engineering and the Research Institute for CatalysisChonnam National UniversityGwangjuSouth Korea

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