| abstract |
The present invention relates to a kind of polymer based on conjugated diene, its preparation method of the modification represented by specific chemical formula, and the rubber composition comprising the polymer.[chemical formula 2] (in chemical formula 2, R 1 And R 2 There is 1 alkyl to 10 carbon atoms, R for what can be same to each other or different to each other 3 And R 4 There is 1 alkylidene to 10 carbon atoms, R for what can be same to each other or different to each other 5 For with 1 alkyl to 10 carbon atoms, and A is P or OR 6 , wherein, P is the polymer chain based on conjugated diene and R 6 For with 1 alkyl to 10 carbon atoms.) |