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    • 10. 发明授权
    • Reduced hysteresis products prepared with anionic polymerization
initiators
    • 用阴离子聚合引发剂制备的减少滞后产物
    • US6084025A
    • 2000-07-04
    • US267724
    • 1999-03-15
    • Takashi KitamuraDavid F. LawsonKoichi MoritaYoichi Ozawa
    • Takashi KitamuraDavid F. LawsonKoichi MoritaYoichi Ozawa
    • C08F4/48B60C1/00C08F4/00C08F4/08C08F4/42C08F36/04C08F236/10C08K3/04C08L21/00C08F8/42
    • C08F36/04B60C1/00B60C1/0016Y10T152/10495
    • A functionalized polymer prepared by a process comprising the steps of preparing a solution of a cyclic amine compound, an organolithium compound, and from 3 to about 300 equivalents, based upon one equivalent of lithium, of a monomer selected from the group including diene monomers, vinyl aromatic monomers, and mixtures thereof, where the cyclic amine compound is defined by the formula where R.sub.2 is selected from the group consisting of an alkylene, substituted alkylene, oxy- or N-alkylamino-alkylene group having from about 3 to about 16 methylene groups, N is a nitrogen atom, and H is a hydrogen atom, thereby forming a polymerization initiator having the formula where Li is a lithium atom, SOL is a divalent hydrocarbon group having from 3 to about 300 polymerized monomeric units, y is from 0.5 to about 3, and A is a cyclic amine radical derived from the cyclic amine, charging the solution containing (A)Li(SOL)y with from about 0.01 to about 2 equivalents per equivalent of lithium of a chelating agent, and an organic alkali metal compound selected from the group consisting of compounds having the formula R.sub.4 OM, R.sub.5 C(O)OM, R.sub.6 R.sub.7 NM, and R.sub.8 SO.sub.3 M, where R.sub.4, R.sub.5, R.sub.6 R.sub.7, and R.sub.8 are each selected from the group consisting of alkyls, cycloalkyls, alkenyls, aryls, and phenyls, having from 1 to about 12 carbon atoms; and where M is selected from the group consisting of Na, K, Rb and Cs, and sufficient monomer to form a living polymeric structure, and quenching the living polymeric structure.
    • 一种官能化聚合物,其通过以下步骤制备:包括以下步骤:以基于一当量的锂制备环胺化合物,有机锂化合物和约3至约300当量的选自以下的单体的溶液:包括二烯单体, 乙烯基芳族单体及其混合物,其中环胺化合物由下式定义:其中R2选自具有约3至约16个亚甲基的亚烷基,取代的亚烷基,氧基或N-烷基氨基 - 亚烷基 基团,N是氮原子,H是氢原子,由此形成具有下式的聚合引发剂,其中Li是锂原子,SOL是具有3-约300个聚合单体单元的二价烃基,y是0.5 A为来自环状胺的环状胺基,将含有(A)Li(SOL)y的溶液与约0.01〜约2当量/当量的锂 螯合剂和选自具有式R4OM,R5C(O)OM,R6R7NM和R8SO3M的化合物的有机碱金属化合物,其中R4,R5,R6 R7和R8各自选自: 具有1至约12个碳原子的烷基,环烷基,烯基,芳基和苯基; 并且其中M选自Na,K,Rb和Cs,以及足够的单体以形成活性聚合物结构,并淬灭活性聚合物结构。