Physically crosslinked hydrogels can be prepared by different methods depending on the nature of the crosslink involved. Polyvinyl alcohol hydrogels are usually produced by the freeze-thaw technique.

In the present review, we focused on the fundamental concepts of hydrogels—classification, the polymers involved, synthesis methods, types of hydrogels, properties, and applications of the hydrogel.

Dec 18, 2024 · Hydrogels are versatile biomaterials that have gained a significant amount of interest from various industries. A hydrogel is a three-dimensional structure made of natural or synthetic …

Nov 1, 2023 · Hydrogels are hydrophilic, three-dimensional and cross-linked polymeric networks capable of imbibing water or biological fluids approximately 10–20 times of their initial weight (Ahmed, 2015).

Jul 25, 2025 · Hydrogels are materials composed of polymer chains that form a network capable of absorbing and holding significant amounts of water. This unique structure gives them a soft, jelly-like …

Jan 5, 2022 · Hydrogels are three-dimensional networks of hydrophilic polymers that absorb and retain large amounts of water while maintaining their structure. Their stability comes from chemical or …

Sep 8, 2025 · What are hydrogels? Hydrogels are materials that can absorb and hold large amounts of water. They are made up of hydrophilic functional groups that attach to polymers and are cross …

May 22, 2023 · Hydrogels are three-dimensional (3D) structured networks of crosslinked hydrophilic polymer matrices capable of holding a large amount of water (> 10%by definition) and displaying …

Discover the science behind hydrogels, their unique properties, and their ubiquitous role in everyday products and advanced technologies.

Hydrogels are hydrophilic polymers with three-dimensional network structures synthesized from natural or synthetic materials and have been developed for a variety of biomedical applications, including …