| abstract |
BUILD-UP OF GEL, BRANCHING, CROSS-LINKING, AND UNDESIRABLE INCREASES IN MOONEY VISCOSITY, BY POST-POLYMERIZATION SIDE REACTIONS IN EPDM RUBBED BASED ON ETHYLIDENE NORBORNENE, IS PREVENTED BY ADDING TO THE POLYMERIZATION REACTION MIXTURE AT, AT THE CONCLUSSION OF THE POLYMERIZATION, A LEWIS BASE SUCH AS POLYPROPYLENE GLYCOL OR MONOETHANOLAMINE. |