摘要
研究了ＺｒＣｌ４／Ｅｔ２ＡｌＣｌ／第三组分体系催化１－丁烯的二聚反应。结果表明，聚合反应温度、助催化剂Ｅｔ２ＡｌＣｌ的量、有机膦的量等对催化剂性能影响很大，在最佳反应条件下，１－丁烯的转化率为９１．９％，二聚体Ｃ＝８的选择性为７６．７％，２－乙基－１－己烯的选择性为５４．１％。另外，还讨论了反应的金属氢化物机理，并获得了支持该机理存在的间接证据。
The dimerization of 1 butene using ZrCl 4/Et 2Al Cl/the third component as catalyst has been studied. Results showed that the reaction temperature, Al/Zr ratio and P/Zr ratio had siginificant influences on the conversion of 1 butene and the distribution of dimerization products. Under the optimum reaction conditions, the conversion of 1 butene was 91.9%, the selectivity of dimers was 76.7% and that of 2 ethyl 1 hexene was 54.1%. In addition, it was presumed that the dimerization reaction was attributed to the metal hydride mechanism, and some indirect evidences were obtained for supporting this mechanism.
出处
《石油炼制与化工》
CAS
CSCD
北大核心
1999年第3期30-32,共3页
Petroleum Processing and Petrochemicals
关键词
丁烯
二聚
均相催化
齐格勒型
催化剂
聚合
butene, dimerization, homogenous catalysis, Ziegler catalyst, reaction mechanism
