Prepolymer in a soft solid or viscous state that changes irreversibly into an infusible, insoluble
polymer network by
curing.
Notes:
- Curing can be induced by the action of heat or suitable radiation, or both.
- A cured thermosetting polymer is called a thermoset.
Source:
PAC, 2004, 76, 889
(Definitions of terms relating to reactions of polymers and to functional polymeric
materials (IUPAC Recommendations 2003))
on page 898