Waste polystyrene foam‐graft‐acrylic acid/montmorillonite superabsorbent nanocomposite
Abstract
Abstract A novel superabsorbent nanocomposite based on partially neutralized acrylic acid, waste polystyrene foam, and sodium type montmorillonite (Na‐MMT) powder was synthesized through emulsion polymerization using N, N′‐methylenebisacrylamide as a crosslinker, 2,2′‐azo‐bisiso‐butyronitrile, ammonium persulfate, and sodium sulfite as mixed redox initiators. The effects of such factors as amount of Na‐MMT, crosslinker, initiator, and neutralization degree on water absorbency of the superabsorbent were investigated. The composites were characterized by Fourier transform infrared spectroscope, X‐ray diffraction, thermo gravimetric analysis, and scanning electron microscope. The results show that acrylic acid monomer successfully grafted onto the polystyrene chain, the layers of Na‐MMT were exfoliated and dispersed in the composite at nano size after copolymerization. The introduction of waste polystyrene foam in the composite increased the water absorbency rate. The addition of Na‐MMT not only enhanced the thermal stability of the composites but also increased its water absorbency, and the optimal water absorbencies of distilled water and saline water (wNaCl = 0.9%) of the nanocomposites were more than 1180 g H2O/g and 72.6 g H2O/g, respectively. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 2341–2349, 2007
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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 [78]
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МОДИФИКАТОРЫ ПОЛИМЕРНОЙ АКРИЛОВОЙ МАТРИЦЫ
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- Authors
- Liu, P., Li, L., Zhou, N., Zhang, J., Wei, S., & Shen, J.
- Affiliations
- Nanjing Normal University (CN)
- Corresponding author
- Li, Li
- Shen, Jian
- Venue
- Journal of Applied Polymer Science
- Publisher
- Wiley
- Published
- 2007-02-27
- Volume
- 104
- Issue
- 4
- Pages
- 2341-2349
- ISSN
- 0021-8995 (ISSN-L)
- 1097-4628
- OpenAlex
- W2075532064
- Cited by
- 45
- References
- 26
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 2 · 2018: 3 · 2017: 2 · 2016: 2 · 2015: 2 · 2014: 2 · 2013: 2 · 2012: 5
- FWCI
- 2.87
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Applied Polymer Science (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Polymer-Based Agricultural Enhancements
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer Nanocomposites and Properties
- Physical Sciences › Materials Science › Biomaterials › Clay minerals and soil interactions
- Keywords
- acrylic acid grafting, montmorillonite, sodium montmorillonite, emulsion polymerization, N,N'-methylenebisacrylamide crosslinker, water absorption capacity, thermal stability, polymer recycling
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