SYNTHESIS OF BLOCK POLYMERS BASED ON 1,3-DIENE AND ETHYLENE

• Main Authors: THUILLIEZ, Julien, JEAN-BAPTISTE-DIT-DOMINIQUE, François, NGO, Robert, LAFAQUIERE, Vincent
• Format: Patent
• Language: English; French
• Published: 22.12.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention relates to A-B-A block polymers and the process for preparing same by polymerisation of ethylene or of a mixture containing ethylene and a 1,3-diene in the presence of at least one rare earth metallocene and of a co-catalyst of formula RB-(Mg-RA)m-Mg-RB, RB being a group comprising a b...