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Ti(n-C_8H_(17)O)_4-Al(i-C_4H_9)_3为催化剂合成1, 2-聚丁二烯,采用Ti-Bd-Al三元陈化方式,考查了不同陈化条件对聚合的影响。结果发现,当Al:Ti:Bd=10～15:1:20,在75-90℃高温条件下,陈化1.5-0.5小时,体系的催化活性较催化剂组分单加或室温陈化可提高50％以上,而Al的用量却降低了50-70%,所得聚丁二烯分子量高,分子量分窄,凝胶含量也较少。
Ti (n-C_8H_ (17) O) _4-Al (i-C_4H_9) _3 was used as catalyst to synthesize 1,2-polybutadiene. Ti-Bd-Al ternary aging method was used to investigate the effects of different aging conditions The impact of aggregation. The results showed that when Al: Ti: Bd = 10-15: 1: 20, aged at high temperature of 75-90 ℃ for 1.5-0.5 hours, the catalytic activity of the system can be increased more than that of the catalyst component alone or at room temperature 50%, while the amount of Al is reduced by 50-70%. The obtained polybutadiene has high molecular weight, narrow molecular weight and less gel content.