The properties of three copolymers with medium Mooney viscosity value of butadiene and isoprene polymerized by rare earth catalyst(Ln-BIR),as well as their blends with natural rubber(NR) at blending ratio of 50/50 were studied.
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- 研究了中門(mén)尼粘度稀土催化丁二烯－ 異戊二烯共聚橡膠（ Ln － B I R） 及其與 N R 以50/ 50（ 質(zhì)量比）共混的硫化膠性能。
