abstract |
POLYALKENAMERS ARE PRODUCED BY A RING-OPENING POLYMERIZATION OF CYCLIC OLEFINS EMPLOYING A CATALYST CONTAINING A METAL OF SUBGROUPS 5 TO 7 OF THE PERIODIC TABLE AND CONDUCTING THE POLYMERIZATION IN THE PRESENCE OF AN UNSATURATED EITHER WHEREIN AT LEAST ONE HYDROGEN BEARING THE DOUBLE BOND BARS AT LEAST ONE HYDROGEN ATOM. |