gel aging

https://dx.doi.org/10.1351/goldbook.GT07620
Time-dependent changes in the chemical or the physical structure and the properties of a gel.
Note:
The aging of a gel can involve polymerization, crystallization, aggregation, syneresis, phase changes, formation of branch points and junction points as well as scission and chemical changes to constitutional units of network chains.
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 1823