Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Method for preparing modified conjugated diene-based polymer
The present invention relates to a method for preparing a modified conjugated diene-based polymer, and more particularly, provides a method for preparing a modified conjugated diene-based polymer including a step of polymerizing a conjugated diene-based monomer in the presence of an organometal compound in a hydrocarbon solvent to prepare an active polymer which is coupled with an organometal (S1); and a step of reacting or coupling the active polymer prepared in step (S1) with a modifier (S2), wherein step (S1) is continuously performed in two or more polymerization reactors, and a polymerization conversion ratio in a first reactor among the polymerization reactors is 50% or less.
LG Chem, Ltd.
Ro Mi No Ma Jin Young Ki Seok Hae Sung Jun Seok Tae Chui Yu Jin He Seung Sang Mi
Lee Kim Kim Son Sohn Ko Lee Kim Lee Lee