Spontaneous shrinking of a gel with exudation of liquid.
Note:
Bond formation or attraction between particles or network chains
within a gel induces the contraction and thereby the exudation of liquid from the network.
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 1826