Term: hydrogel
https://doi.org/10.1351/goldbook.HT07519

Definition:
gel in which the swelling agent is water.

Notes:
0) The @NT07562@ component of a hydrogel is usually a @P04742@.
1) A hydrogel in which the @NT07562@ component is a @CT07563@ may be referred to as an @AT07517@.

Related Terms:
1) network (http://doi.org/10.1351/goldbook.NT07562).
2) polymer network (http://doi.org/10.1351/goldbook.P04742).
3) colloidal network (http://doi.org/10.1351/goldbook.CT07563).
4) aquagel (http://doi.org/10.1351/goldbook.AT07517).
5) gel (http://doi.org/10.1351/goldbook.G02600).
6) swelling agent (http://doi.org/10.1351/goldbook.ST07538).

Source: PAC, 2007, 79, 1801. 'Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)' on page 1807 (https://doi.org/10.1351/pac200779101801)

Citation: 'hydrogel' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.HT07519

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