摘要
本文探讨了ROH增溶BF_3·OE_2的机理,研究了Ni(naph)_2—Al(i-Bu)_3-BF_3·OEt_2-ROH催化丁二烯聚合反应的动力学行为,考察了温度、催化剂浓度对聚合反应的影响:并且确立了聚合反应的动力学方程为: -d[Bd]/dt =kp·[C~*]·[Bd]=kpf[Ni]_0[Bd]并求得聚合反应的表观活化能Ea=20.6kcal/mol等其它动力学参数。
The kinetic behaviour of butadiene polymerization with Ni(naph)_2 Al (i-Bu)_3-BF_3·OEt_2-ROH Catalyst system was studied. The reaction mechanism between BF_3·OEt_2 of C_3H_(17)OH, the effects of polymerization temperature, catalyst's concentration on the polymerization was investigated. The kinetics eqnatiou of poiymerizalion was thus established. It could be expre ssed as -d(Bd)/dt=kp[C][Bd]=kpf[Ni]. [Bd] The apparent activation energy was 20. 6kcal/ mol and tile other kinetic parameters was obtained.
出处
《齐鲁石油化工》
1989年第4期43-47,共5页
Qilu Petrochemical Technology
关键词
聚丁二烯
镍催化体系
催化剂
Ziegler Natta Catalyst System
Polybutadiene
Nickel Catalyst System
