The term hydrogel was coined in 1894 as it was employed to explain a colloidal gel. The first report on the application of hydrogels was given by Wichterle and Lim in 1960, which was in the biomedical field. Hydrogels generally absorb a large amount of water, and this swelling is responsible for the rubbery and soft properties of hydrogel. Hydrogels have found applications in environmental, biomedical, food, etc., fields. This chapter presents a brief review of hydrogels—basic definition, classifications, preparations and applications. This chapter highlights among others, the application of polysaccharide-based hydrogels in adsorption and dye removal in water treatment.
CITATION STYLE
Thakur, S., Thakur, V. K., & Arotiba, O. A. (2018). History, Classification, Properties and Application of Hydrogels: An Overview (pp. 29–50). https://doi.org/10.1007/978-981-10-6077-9_2
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