Provided are a modifying agent obtained by subjecting a silicon-containing compound having a protected primary amino group and at least two hydrolyzable groups to complete condensation, a method of producing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer obtained by the production method, a rubber composition using the polymer, and a pneumatic tire. The modified conjugated diene-based polymer has excellent low heat generating property and abrasion resistance, and the rubber composition is obtained by using the modified conjugated diene-based polymer and the pneumatic tire is obtained by using the rubber composition.
提供了一种修饰剂,该修饰剂是通过将具有受保护的一级
氨基和至少两个可
水解基团的含
硅化合物进行完全缩合而获得的;一种生产改性共轭二
烯基
聚合物的方法;通过生产方法获得的改性共轭二
烯基
聚合物;使用该
聚合物的橡胶组合物;以及气动轮胎。改性共轭二
烯基
聚合物具有优异的低热发生性和耐磨性,橡胶组合物是通过使用改性共轭二
烯基
聚合物获得的,气动轮胎是通过使用橡胶组合物获得的。