Process for the preparation of branched polymers

Details Process for the preparation of branched polymers Process for the preparation of branched polymers

C - Chemistry, Metallurgy

08

F

400/2042, 402/45

C08F 297/04 (2006.01) C08C 19/44 (2006.01) C08G 81/02 (2006.01)

Patent

CA 1246793

A B S T R A C T PROCESS FOR THE PREPARATION OF BRANCHED POLYMERS Process for the preparation of a branched polymer by, consecutively, contacting a monovinyl aromatic monomer having from 8 to 18 carbon atoms with an organolithium initiator, adding at least one conjugated diene monomer having from 4 to 12 carbon atoms and adding a tris-(nonylated phenyl) phosphite as coupling agent in an amount from 0.15 to 1.1 mol per mol of the organolithium initiator.

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