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METHOD FOR PRODUCING TERMINALLY MODIFIED PAIRED DIENE POLYMER, TERMINALLY MODIFIED PAIRED DIENE POLYMER, RUBBER COMPOSITION AND TIRE
METHOD FOR PRODUCING TERMINALLY MODIFIED PAIRED DIENE POLYMER, TERMINALLY MODIFIED PAIRED DIENE POLYMER, RUBBER COMPOSITION AND TIRE
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机译:制备末端改性的对二烯聚合物,末端改性的对二烯聚合物,橡胶组合物和轮胎的方法
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摘要
This disclosure is to provide a method for preparing a terminal-modified conjugated diene polymer which achieves an extremely high compounding amount of cis-1,4 without complicated preparing conditions, a terminal-modified conjugated diene polymer obtained via the method, a rubber composition containing the terminal-modified conjugated diene polymer, and a tire using the rubber composition. This disclosure is A method for preparing a terminal-modified conjugated diene polymer comprising: polymerizing a conjugated diene compound by using a polymerization catalyst composition and modifying a polymer obtained via the polymerization by using a modifier, wherein the polymerization catalyst composition contains a rare earth element compound, and a coordination compound having a cyclopentadiene skeleton selected from substituted or unsubstituted cyclopentadienes, substituted or unsubstituted indenes, and substituted or unsubstituted fluorenes, and wherein the polymerization and modification is performed in a one-pot way.
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