ArticleRoyal Society open science2018
β-Cyclodextrin conjugated bifunctional isocyanate linker polymer for enhanced removal of 2,4-dinitrophenol from environmental waters.
Article in Royal Society open science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 36 citations in OpenAlex.
- Inclusion Complexation of Native and Functionalized α-, β-, and γ-Cyclodextrins with PFAS: An Experimental and Molecular Simulation Study.The journal of physical chemistry. B · 2026Article
- Cyclodextrins and Their Polymers Affect the Lipid Membrane Permeability and Increase Levofloxacin's Antibacterial Activity In Vitro.Polymers · 2022Article
- Modification of cyclodextrin and use in environmental applications.Environmental science and pollution research international · 2022Review
- Cyclodextrin-Based Nanosponges: Overview and Opportunities.Frontiers in chemistry · 2022Review
- Structural Adaptive, Self-Separating Material for Removing Ibuprofen from Waters and Sewage.Materials (Basel, Switzerland) · 2021Article
- An Overview on Composite Sorbents Based on Polyelectrolytes Used in Advanced Wastewater Treatment.Polymers · 2021Review
- Poly(β-cyclodextrin)-Activated Carbon Gel Composites for Removal of Pesticides from Water.Molecules (Basel, Switzerland) · 2021Article
- Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this work, we reported the synthesis, characterization and adsorption study of two β-cyclodextrin (βCD) cross-linked polymers using aromatic linker 2,4-toluene diisocyanate (2,4-TDI) and aliphatic linker 1,6-hexamethylene diisocyanate (1,6-HDI) to form insoluble βCD-TDI and βCD-HDI. The adsorption of 2,4-dinitrophenol (DNP) on both polymers as an adsorbent was studied in batch adsorption experiments. Both polymers were well characterized using various tools that include Fourier transform infrared spectroscopy, thermogravimetric analysis, Brunauer-Emmett-Teller analysis and scanning electron microscopy, and the results obtained were compared with the native βCD. The adsorption isotherm of 2,4-DNP onto polymers was studied. It showed that the Freundlich isotherm is a better fit for βCD-TDI, while the Langmuir isotherm is a better fit for βCD-HMDI. The pseudo-second-order kinetic model represented the adsorption process for both of the polymers. The thermodynamic study showed that βCD-TDI polymer was more favourable towards 2,4-DNP when compared with βCD-HDI polymer. Under optimized conditions, both βCD polymers were successfully applied on various environmental water samples for the removal of 2,4-DNP. βCD-TDI polymer showed enhanced sorption capacity and higher removal efficiency (greater than 80%) than βCD-HDI (greater than 70%) towards 2,4-DNP. The mechanism involved was discussed, and the effects of cross-linkers on βCD open up new perspectives for the removal of toxic contaminants from a body of water.
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