{"title":"Absorbent polymer gels: A review on fundamental mechanisms, preparation strategies, and applications","authors":"Lifang Ma , Diming Chen , Chunjing Tao , Yubo Fan","doi":"10.1016/j.eurpolymj.2025.113795","DOIUrl":null,"url":null,"abstract":"<div><div>Absorbent polymer gels (APGs) are advanced functional materials that possess excellent moisture adsorption and retention capabilities. In this review, the historical development of APGs is first described. The fundamental operating mechanisms of APGs are then analyzed in terms of the following aspects: (1) chemical composition and physical structures; (2) adsorption and absorption theory. Based on these aspects, the current preparation strategies of APGs are classified into three types: chemical cross-linking, physical cross-linking and copolymerization, and composite technology. APGs exhibit the distinct properties, which find application in biomedical engineering, environmental engineering, cleaning and caring products, and wearable devices. Finally, challenges along with prospects and future trends in the evolution of APGs are mentioned.</div></div>","PeriodicalId":315,"journal":{"name":"European Polymer Journal","volume":"228 ","pages":"Article 113795"},"PeriodicalIF":6.3000,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Polymer Journal","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0014305725000837","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"POLYMER SCIENCE","Score":null,"Total":0}
引用次数: 0
Abstract
Absorbent polymer gels (APGs) are advanced functional materials that possess excellent moisture adsorption and retention capabilities. In this review, the historical development of APGs is first described. The fundamental operating mechanisms of APGs are then analyzed in terms of the following aspects: (1) chemical composition and physical structures; (2) adsorption and absorption theory. Based on these aspects, the current preparation strategies of APGs are classified into three types: chemical cross-linking, physical cross-linking and copolymerization, and composite technology. APGs exhibit the distinct properties, which find application in biomedical engineering, environmental engineering, cleaning and caring products, and wearable devices. Finally, challenges along with prospects and future trends in the evolution of APGs are mentioned.
期刊介绍：
European Polymer Journal is dedicated to publishing work on fundamental and applied polymer chemistry and macromolecular materials. The journal covers all aspects of polymer synthesis, including polymerization mechanisms and chemical functional transformations, with a focus on novel polymers and the relationships between molecular structure and polymer properties. In addition, we welcome submissions on bio-based or renewable polymers, stimuli-responsive systems and polymer bio-hybrids. European Polymer Journal also publishes research on the biomedical application of polymers, including drug delivery and regenerative medicine. The main scope is covered but not limited to the following core research areas:
Polymer synthesis and functionalization
• Novel synthetic routes for polymerization, functional modification, controlled/living polymerization and precision polymers.
Stimuli-responsive polymers
• Including shape memory and self-healing polymers.
Supramolecular polymers and self-assembly
• Molecular recognition and higher order polymer structures.
Renewable and sustainable polymers
• Bio-based, biodegradable and anti-microbial polymers and polymeric bio-nanocomposites.
Polymers at interfaces and surfaces
• Chemistry and engineering of surfaces with biological relevance, including patterning, antifouling polymers and polymers for membrane applications.
Biomedical applications and nanomedicine
• Polymers for regenerative medicine, drug delivery molecular release and gene therapy
The scope of European Polymer Journal no longer includes Polymer Physics.
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