ELASTOMER OBTAINED BY USING LITHIUM AMINO MAGNESIATE POLYMERIZATION INITIATOR AND EXHIBITING REDUCED HYSTERESIS

摘要

PROBLEM TO BE SOLVED: To provide elastomers exhibiting reduced hysteresis. SOLUTION: By using an anionic polymerization catalyst containing lithium magnesiate complex stable at high temperatures and having a tertiary amine functional group to polymerize diene polymer and copolymer, the elastomers having narrow molecular weight distribution and having in the polymer a tertiary amine functional group derived from the initiator are produced. The tire exhibiting reduced hysteresis is obtained by using the elastomer as a tire material. COPYRIGHT: (C)2007,JPO&INPIT