Blends of syndiotactic 1,2-polybutadiene and rubbery elastomers are prepared by a process that comprises polymerizing 1,3-butadiene monomer into syndiotactic 1,2-polybutadiene within a rubber cement of at least one rubbery elastomer by using a catalyst composition that is formed by combining (a) a molybdenum-containing compound, (b) a hydrogen phosphite, and (c) an organoaluminum compound.

Бленды синдиотактического 1,2-polybutadiene и rubbery эластомеров подготовлены процессом состоит из полимеризуя мономера 1,3-butadiene в синдиотактическое 1,2-polybutadiene внутри rubber цемент по крайней мере одного rubbery эластомера путем использование состава катализатора сформирован путем совмещать (a) молибден-soderja смесь, (b) ортофосфит водопода, и (c) смесь organoaluminum.

 
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