ArticleGels (Basel, Switzerland)2023
Temperature- and pH-Responsive Super-Absorbent Hydrogel Based on Grafted Cellulose and Capable of Heavy Metal Removal from Aqueous Solutions.
Article in Gels (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 36 citations in OpenAlex.
- Dual Physically Crosslinked Hydrogels via Multi-Dimensional Carbon Materials for Methylene Blue Adsorption.Gels (Basel, Switzerland) · 2026Article
- Carbon Dot-Based Mechanofluorescent Hydrogel with Tunable Fluorescence for Bioengineering Applications.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Structure and Performance of Bentonite-Enhanced Superabsorbent Gels for Water Absorption and Methylene Blue Adsorption.Gels (Basel, Switzerland) · 2026Article
- Sustainable Hydrogels in Water Treatment-A Short Review.Gels (Basel, Switzerland) · 2025Review
- Environmental and Wastewater Treatment Applications of Stimulus-Responsive Hydrogels.Gels (Basel, Switzerland) · 2025Review
- Fundamentals and Advances in Stimuli-Responsive Hydrogels and Their Applications: A Review.Gels (Basel, Switzerland) · 2025Review
- Article
- Thermal Evaluation of Silica-Based Insulated Magnet Wires from the Sol-Gel Process.Gels (Basel, Switzerland) · 2023Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
Abstract
In this work, we prepared highly swelling, stimuli-responsive hydrogels capable of the highly efficient adsorption of inorganic pollutants. The hydrogels were based on hydroxypropyl methyl cellulose (HPMC) grafted with acrylamide (AM) and 3-sulfopropyl acrylate (SPA) and were synthesized via the growth (radical polymerization) of the grafted copolymer chains on HPMC, which was activated by radical oxidation. These grafted structures were crosslinked to an infinite network by a small amount of di-vinyl comonomer. HPMC was chosen as a cheap hydrophilic and naturally sourced polymer backbone, while AM and SPA were employed to preferentially bond coordinating and cationic inorganic pollutants, respectively. All the gels displayed a pronounced elastic character, as well as considerably high values of stress at break (several hundred %). The gel with the highest fraction of the ionic comonomer SPA (with an AM/SPA ratio = 0.5) displayed the highest equilibrium swelling ratio (12,100%), the highest volume response to temperature and pH, and the fastest swelling kinetics, but also the lowest modulus. The other gels (with AM/SPA = 1 and 2) displayed several times higher moduli but more modest pH responses and only very modest temperature sensitivity. Cr(VI) adsorption tests indicated that the prepared hydrogels removed this species from water very efficiently: between 90 and 96% in one step. The hydrogels with AM/SPA ratios of 0.5 and 1 appeared to be promising regenerable (via pH) materials for repeated Cr(VI) adsorption.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.