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MoCl_2(OC_8H_(17))_2-Et_2AlO■为二元催化体系,加氢汽油为聚合溶剂,研究了多种因素对丁二烯聚合的影响,并用红外光谱法测定了聚合产物的微观结构。实验结果表明,在主、助催化剂的摩尔比为10,主催化剂与丁二烯的摩尔比为2.0×10~(-4),聚合温度为50℃,反应7小时的条件下,丁二烯的转化率可达80％以上,聚合物分子链中的1,2结构含量约为85％,属于高乙烯基聚丁二烯。
MoCl_2 (OC_8H_ (17)) _2-Et_2AlO ■ was a binary catalytic system. The effects of various factors on the polymerization of butadiene were studied. The microstructure of the polymer was determined by infrared spectroscopy. The experimental results show that under the conditions of a molar ratio of the main catalyst to the cocatalyst of 10, a molar ratio of the main catalyst to butadiene of 2.0 × 10 -4, a polymerization temperature of 50 ° C. and a reaction time of 7 hours, Conversion rate of up to 80% or more, the polymer molecular chain 1,2 structure content of about 85%, belonging to high vinyl polybutadiene.