A peer-reviewed journal published by K. N. Toosi University of Technology

Synthesis and characterization of carboxymethyl cellulose/acrylic acid superabsorbent hydrogel by gamma irradiation

Document Type : Research Article

Authors

1 Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran

2 Radiation Applications Research School, Nuclear Science and Technology Research Institute, Tehran, Iran

Abstract
In this study a super absorbent polymer (SAP) based on acrylic acid (AAc) and carboxymethyl cellulose (CMC), as an environmentally friendly material, was prepared using gamma irradiation. Gamma radiation was applied to synthesize CMC/AAc SAPs in the range of 5 to 20 kGy absorbed doses. Fourier Transform Infrared (FT-IR) spectroscopy was used to determine the polymerization and grafting monomer to CMC in SAP formation. The effect of radiation dose, CMC concentration on the gel content, swelling behavior and absorption under load (AUL) in water and saline solution were investigated. Based on the results with increasing irradiation dose from 10 to 20 kGy the water and saline solution absorption of the SAP decrease in SAPs containing 1 and 2% CMC, but increases in SAP containing 0.5% CMC. Also, by raise in the irradiation dose from 10 to 20 kGy AUL decreases. The results suggest that 0.5% CMC/AAc SAPs synthesized using the irradiation method may be suitable for medical applications.

Highlights

  • Synthesis of Carboxymethyl Cellulose/Acrylic acid by gamma irradiation.
  • Irradiation dose of 20 kGy can be considered suitable for the preparation of CMC/AAc.
  • CMC/AAc SAPs synthesized with irradiation method may be used in medical applications specially in baby diapers.

Keywords


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Volume 5, Issue 4
Autumn 2024
Pages 47-51

  • Receive Date 24 July 2024
  • Revise Date 28 August 2024
  • Accept Date 13 September 2024