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Reference type: Journal
Authors: Li ZM, Tian H, Yuan YY, Yin XQ, Wei X, Tang LW, Wei SY
Article Title: Metal-ion-imprinted thermo-responsive materials obtained from bacterial cellulose: synthesis, characterization, and adsorption evaluation.
Publication date: 2019
Journal: Journal of Materials Chemistry A
Volume: 7
Issue: (19)
Page numbers: 11742-11755.
DOI: 10.1039/C9TA02739D

Abstract: In this study, a novel gradient heating procedure was developed to fabricate the targeted metal-ion-imprinted thermo-responsive material, i.e. ion-imprinted thermo-responsive BC derivative (ITB), from bacterial cellulose using Cu2+ as a template and N-isopropylacrylamide (NIPAM) as a monomer; moreover, the structure and properties of ITB were analysed via various analytical techniques including FTIR spectroscopy, DSC, SEM, and Raman spectroscopy. The lower critical solution temperature (LCST) of ITB was 38.57 ℃ in the heating procedure, whereas it was 30.81 ℃ in the cooling procedure. The adsorption capacity of ITB for Cu2+ reached 95.20 mg g-1 at 45 ℃ (>LCST), the desorption rate was 98.81%, and desorption could be simply achieved by washing the adsorbents with water at 20 ℃ ( Template and target information: copper ion, Cu(II)


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