Mass fraction of the dissolved or dispersed material, resulting from a
network-forming
polymerization or
crosslinking process,
that is constituted of molecules of finite (statistically definable) relative molecular
masses.
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 1806