https://doi.org/10.1351/goldbook.15277
Polymer composed of macromolecules containing 1,3,5-triazine-2,4,6-triyltrioxy constitutional units (formerly cyanurate groups) in the backbone:



Notes:
- Cyanurate is not an IUPAC approved name for 1,3,5-triazinetris(olate).
- Polycyanurates are isomeric with polyisocyanurates.
- Polycyanurates can be regarded as a subclass of polytriazines.
Example:
