Stereospecific ROMP of norbornene-type of compounds produce highly regular polymers with high melting points and crystallinity. Dicyclopentadiene (DCPD) is a byproduct of petroleum cracking, which makes DCPD one of the cheapest monomers for ring-opening metathesis polymerization (ROMP) on a large scale.
link to blog Schrock, et al. Macromolecules 2015, 48, 2480.
