化学学报 ›› 1995, Vol. 53 ›› Issue (3): 310-312. 上一篇    

研究论文

以SIO~2为载体的乙烯丙烯共聚高效Ziegler-Natta催化剂

王立;封麟先;杨士林   

  1. 淅江大学高分子科学与工程学系
  • 发布日期:1995-03-15

Sio~2-supported high effective ziegler-natta catalysts for copolymerization of propylene and ethylene

WANG LI;FENG LINXIAN;YANG SHILIN   

  • Published:1995-03-15

本工作以反应法制备了sio~2负载的乙丙烯共聚高效ziegler-natta催化剂, 考察了Ticl~4/Al~2t~3l~3/Sio~2催化体系的催化效率,发现在无Mgcl~2及Mg系化合物存在下,使催化活性大大提高,并利用ESR对高效的原因进行了初步探讨,得到了一些有意义的结果.

关键词: 丙烯, 乙烯, 载体, 电子自旋共振, 氯化钛, 齐格勒纳塔催化剂, 二氧化硅, 乙烯丙烯共聚, 三乙基氯化铝

SiO2-supported high effective Ziegler-Natta catalysts for copolymn. of propylene and ethylene were prepared Possible high effective mechanisms were discussed. High polymerisation productivity can be obtained using TiCl4/Al2Et3Cl3/SiO2 catalytic system.

Key words: PROPENE, ETHYLENE, CARRIERS, ELECTRON SPIN RESONANCE, TITANIUM CHLORIDE, ZIEGLER-NATTA CATALYST, SILICON DIOXIDE

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