Superabsorbent hydrogels prepared from waste polystyrene and linear low-density polyethylene
Abstract
Superabsorbent hydrogels, polystyrene-graft-polyacrylic acid (PAA; PS- g-PAA), linear low-density polyethylene (LLDPE)-graft-PAA (LLDPE- g-PAA), and hydrogel composites, PS- g-PAA/bentonite (BT), were synthesized through emulsion polymerization using acrylic acid as a monomer, benzoyl peroxide as an oil-soluble initiator, and ammonium persulfate and sodium sulfite as a redox initiator in the presence of N, N-methylenebisacrylamide as a cross-linking agent. The superabsorbents were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, and scanning electron microscopy. The maximum water absorbencies for PS- g-PAA and PS- g-PAA/BT were 780 and 900 g g −1 in distilled water, respectively, while the water absorbency of LLDPE- g-PAA superabsorbent was 450 g g −1 in distilled water.
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Discarded polymers have been employed for the production of metal-based electrocatalyst nanoparticles from polyvinyl chloride, photoluminescent carbon nanoparticles from polypropylene and polylactide, and superabsorbent nanocomposite from polystyrene.
“Discarded polymers were employing for the production of metal-based electrocatalyst nanoparticles from polyvinyl chloride, photoluminescent carbon nanoparticles from polypropylene and polylactide, and superabsorbent nanocomposite from polystyrene [74,75,76,77,78].”
From Transforming Plastic Waste into Value: A Review of Management Strategies and Innovative Applications in Sustainable Construction (2025) · cites this paper as [76]
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Haba, B., Djellali, S., Abdelouahed, Y., Boudjelida, S., Faleschini, F., & Carraro, M. (2025) · Polymers · doi:10.3390/polym17070881 · Cited by 68 · see citing works
- Authors
- Ismail, H., Irani, M., & Ahmad, Z.
- Affiliations
- Universiti Sains Malaysia (MY)
- Corresponding author
- Ismail, Hanafi
- Venue
- Journal of Elastomers & Plastics
- Publisher
- SAGE Publications
- Published
- 2012-10-10
- Volume
- 45
- Issue
- 6
- Pages
- 536-550
- ISSN
- 0022-071X (ISSN-L)
- 0095-2443
- 1530-8006
- OpenAlex
- W2124065960
- Cited by
- 6
- References
- 39
- Citations by year
- 2026: 1 · 2025: 2 · 2023: 1 · 2016: 1 · 2015: 1
- FWCI
- 0.18
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Elastomers & Plastics (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Polymer-Based Agricultural Enhancements
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer Synthesis and Characterization
- Keywords
- superabsorbent hydrogels, polystyrene waste, linear low-density polyethylene, emulsion polymerization, water absorption capacity, plastic recycling
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