FUNCTIONALIZED MULTI-BRANCHED POLYMERS, INCLUDING FUNCTIONALIZED POLYMERS, SYNTHESIZED BY ANION POLYMERIZATION, AND THEIR APPLICATION

摘要

1. A functionalized multi-branched polymer that contains the reaction product: (A) a crosslinking agent with a functional number of from 1 to 30, preferably from 5 to 20; and (B) a polymer synthesized by anionic polymerization, characterized in that the polymer synthesized by anionic polymerization has the formula (I) Li-QZT- (A-RRR), where Q is alkenyl aromatic monomers, conjugated dienes, or a mixture thereof, anionically polymerized by Li-Z, Z is a branched or unbranched hydrocarbon connecting group of 3 to 25 carbon atoms; T is an element selected from oxygen, sulfur and nitrogen; (A-RRR) is a protecting group, where A is an element selected from carbon (C) or silicon (Si), preferably silicon (Si), R, R, R are independently selected from hydrogen, alkyl groups, alkyl groups substituted with C A -C, C-Styoalkyl and C-C-dialkylamine group, an aryl group or an aryl group substituted with a C-C-alkyl, C-Styoalkyl and C-C-dialkylamine group, a cycloalkyl group of 5 to 12 carbon atoms, or a cycloalkyl group of 5 up to 12 carbon atoms substituted with a C -C alkyl, C-Styoalkyl and C-C dialkylamine group, m is 1 when T is oxygen or sulfur, and m is 2 when T is nitrogen, n is a number units of diene monomers, alkenyl aromatic monomers or any monomers in their anionically polymerized mixtures. 2. The functionalized multi-branched polymer according to claim 1, characterized in that it contains from 1 to 30 chains of the synthesized