Synthesis, characterization, DFT studies, and adsorption properties of sulfonated starch synthesized in deep eutectic solvent

Wei, Donglai; Guo, Yingtao; Feng, Yuxian; Lu, Wenqing; Zhang, Jintao; Lin, Minghao; Lan, Xin; Liao, Ye-Xin; Lan, Ping; Lan, Lihong

doi:10.1016/j.ijbiomac.2023.124083

International Journal of Biological Macromolecules

2023

DOI: 10.1016/j.ijbiomac.2023.124083

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Synthesis, characterization, DFT studies, and adsorption properties of sulfonated starch synthesized in deep eutectic solvent

Donglai Wei

Yingtao Guo

Yuxian Feng

et al.

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Cited by 5 publications

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Synthesis of Superabsorbent Polymers Based on Sulfated Starch and Study of Their Water Absorption Properties

Kaewtong,

Saikrasun,

Tanpichai

et al. 2024

Starch Stärke

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This study aims to synthesize and characterize a sulfated‐starch‐based superabsorbent polymer (S‐SAP). The S‐SAP is prepared by grafting 2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid (AMPS) and acrylic acid (AA) onto sulfated starch, which is subsequently crosslinked using N,N‐methylene‐bis‐acrylamide (MBA) via free radical polymerization with ammonium persulfate as the initiator. The successful grafting of AA and AMPS onto the starch backbone improves the thermal stability and increases the swelling capacity of the polymer. The swelling capacity and reusability of the S‐SAP are compared with those of commercial superabsorbent polymers (C‐SAPs). The swelling capacity of the S‐SAP is higher than those of C‐SAPs, reaching 417 g g−1 in distilled water and 47 g g−1 in a 0.15 M NaCl solution. The water absorption kinetics of the S‐SAP shows a good fit with the pseudo‐second‐order model. The polymer prepared herein has potential applications in horticulture and agriculture.

show abstract

Synthesis of Superabsorbent Polymers Based on Sulfated Starch and Study of Their Water Absorption Properties

Kaewtong,

Saikrasun,

Tanpichai

et al. 2024

Starch Stärke

View full text Add to dashboard Cite

show abstract

Sustainable and efficient extraction of lignin from wood meal using a deep eutectic system and adsorption of neutral red dye with the extraction residue

Wang,

Liu,

et al. 2023

Journal of Cleaner Production

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Adsorption of methylene blue on starch sulfate: Insights from density functional theory

Wei,

Feng,

Guo

et al. 2025

Journal of Molecular Liquids

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Synthesis, characterization, DFT studies, and adsorption properties of sulfonated starch synthesized in deep eutectic solvent

Cited by 5 publications

References 56 publications

Synthesis of Superabsorbent Polymers Based on Sulfated Starch and Study of Their Water Absorption Properties

Synthesis of Superabsorbent Polymers Based on Sulfated Starch and Study of Their Water Absorption Properties

Sustainable and efficient extraction of lignin from wood meal using a deep eutectic system and adsorption of neutral red dye with the extraction residue

Adsorption of methylene blue on starch sulfate: Insights from density functional theory

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