Chemically crosslinked polycyclooctene having excellent shape recovery properties is prepared by ring-opening metathesis polymerization of cis-cyclooctene followed by chemical crosslinking. The crosslinked polycyclooctene can be shaped, the shape memorized, a new shape imparted with the original shape...http://www.google.co.uk/patents/US7906573?utm_source=gb-gplus-sharePatent US7906573 - Crosslinked polycyclooctene
