Journal
ACS APPLIED POLYMER MATERIALS
Volume 2, Issue 2, Pages 691-698Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.9b01024
Keywords
endocrine disrupting chemical; dibutyl phthalate; molecular imprinted poly-cyclodextrin; selective removal; porous polymer
Funding
- DST, government of India [DST/TM/WTI/2K16/02(G)]
- CSIR, India
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Dibutyl phthalate (DBP) is a potential endocrine disrupting chemical present in the environment, and designing an adsorbent with its molecular imprints for selective removal is critical for purification of contaminated water and soil. Here, we report the alpha-cyclodextrin-based porous polymer with the molecular imprint of DBP that can be used for its selective removal. Synthesis of the molecularly imprinted polymer involves cross-linking of alpha-cyclodextrin under the host guest complexation condition between alpha-cyclodextrin and DBP, where DBP governs the mutual orientation of cyclodextrin during the polymerization process. DBP is then removed after polymerizatiqn, and the resultant polymer with molecular imprints of DBP exhibit higher binding affinity toward DBP as compared to its nonimprinted counterpart with the imprinting factor of 2.6. The molecular imprinted poly-cyclodextrin can be used for selective removal of DBP in contaminated This approach can be extended for preparation of molecular imprinted polymerswater in the presence of its structural analogues. for other endocrine disrupting chemicals.
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