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Related Experiment Video

Updated: Dec 9, 2025

Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification
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Polyethersulfone membrane embedded with amine functionalized microcrystalline cellulose.

Fatemeh Rafieian1, Mohammad Mousavi2, Alain Dufresne3

  • 1Department of the Built Environment, Eindhoven University of Technology, Eindhoven, the Netherlands.

International Journal of Biological Macromolecules
|September 8, 2020
PubMed
Summary
This summary is machine-generated.

Modified microcrystalline cellulose (MCC) enhances polyethersulfone (PES) membranes for heavy metal removal. These new composite membranes show improved porosity and hydrophilicity, leading to better filtration performance in aqueous solutions.

Keywords:
MembraneMetformin HClMicrocrystalline cellulose

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Area of Science:

  • Materials Science
  • Environmental Engineering
  • Polymer Chemistry

Background:

  • Polyethersulfone (PES) membranes are widely used in water treatment.
  • Enhancing membrane affinity for heavy metals is crucial for efficient water purification.
  • Functionalization of materials offers a pathway to improve membrane properties.

Purpose of the Study:

  • To develop novel composite membranes by incorporating modified microcrystalline cellulose (MCC) into a PES matrix.
  • To investigate the effect of modified MCC on the physicochemical properties and heavy metal affinity of PES membranes.
  • To evaluate the performance of these composite membranes for heavy metal removal from aqueous solutions.

Main Methods:

  • Microcrystalline cellulose (MCC) was functionalized with metformin HCl using (3-chloropropyl)triethixysilane (CPTES).
  • Composite membranes were fabricated by incorporating varying concentrations of modified MCC (MMCC) into a PES matrix.
  • Characterization involved FTIR, TGA, DSC, SEM, AFM, BET analysis, porosity, contact angle, and mechanical testing.

Main Results:

  • FTIR confirmed the successful incorporation of MMCC into the PES matrix.
  • DSC indicated an enhanced glass transition temperature (Tg) in the composite membranes due to restricted polymer chain mobility.
  • SEM and AFM revealed increased surface roughness, while porosity and hydrophilicity were enhanced, suggesting improved permeability.

Conclusions:

  • The functionalization of MCC and its incorporation into PES membranes effectively created composite materials with enhanced properties.
  • The MMCC-modified PES membranes demonstrate improved hydrophilicity and porosity, indicating potential for superior heavy metal removal.
  • These findings suggest a promising approach for developing advanced filtration membranes for water purification applications.