| abstract |
The present invention relates to a modified conjugated diene-based polymer, a preparation method thereof, and a rubber composition comprising the modified conjugated diene-based polymer, and more particularly, provides a modified conjugated diene-based polymer a compound comprising repeating units derived from conjugated diene-based monomers with a trans-1,4 bond content of 80% by weight or more, and functional groups derived from alkoxysilane-based modifiers; the modified copolymer A method for preparing a conjugated diene-based polymer; and a rubber composition comprising the modified conjugated diene-based polymer. |