Patent ID: 8895665

Claim:
A synthesis method of a modified conjugated diene polymer, comprising: conducting a polymerization reaction of conjugated diene monomers in a reaction system; adding a modifier into the reaction system, wherein the modifier has a structure represented by formula (1): wherein R 1 -R 11 each independently represent a C 1 -C 5 alkyl group; 1≦ m≦ 300; 0≦ a≦ 65; 0≦ b≦ 65; 0≦ c≦ 40; 0< a+b; 0≦ c /( a+b+c )≦0.8; and the X and Y are structures respectively represented by formula (2) and formula (3): wherein R 12 , R 16 , and R 17 each independently represent a C 1 -C 5 alkylene group and R 13 -R 15 each independently represent a C 1 -C 5 alkyl group.