polyisocyanurate

https://doi.org/10.1351/goldbook.15285
Polymer composed of macromolecules containing 2,4,6-trioxo-1,3,5-triazinane-1,3,5-triyl (formerly isocyanurate) rings in the backbone:
polyisocyanurate
polyisocyanurate
Notes:
  1. An example of structure motifs of a polyisocyanurate is shown below:
    polyisocyanurate
  2. Polyisocyanurates are isomeric with polycyanurates.
Source:
PAC, 2009, 81, 1131. (Glossary of class names of polymers based on chemical structure and molecular architecture (IUPAC Recommendations 2009)) on page 1158 [Terms] [Paper]