物理化学学报2001，Vol.17Issue(5)：460-464,5.
镍催化剂乙烯聚合原位 UV-Vis光谱研究
In Situ UV-Vis Studies on Nickel Catalyst for Ethylene Polymerization
杨志洪 1余鼎声 1罗河宽 2毛炳权 2唐瑞国 2王桂花1
作者信息
- 1. 北京化工大学材料科学与工程学院 ,
- 2. 北京化工研究院 ,
- 折叠
摘要
Abstract
An apparatus was set up for in situ UV-Vis determintion of ethylene polymerization under atmospheric pressure. In three different solvents, tetrahydrofuran(THF), chlorobenzene and dimethyl formamide (DMF), and using MAO as cocatalyst, α -diimine/nickel catalytic system was prepared for ethylene polymerization with the UV-Vis testing system. In THF, active peak at 545 nm and inactive peak at 660 nm were observed. In chlorobenzene, active peak at 520 nm, 570 nm, and inactive peak at 660 nm were also observed. The regularities of growth and disappearence of active peaks were investigated. The structure of active species and solvent effect were discussed.关键词
α-二亚胺/镍/UV-Vis/乙烯/聚合分类
化学化工引用本文复制引用
杨志洪,余鼎声,罗河宽,毛炳权,唐瑞国,王桂花..镍催化剂乙烯聚合原位 UV-Vis光谱研究[J].物理化学学报,2001,17(5):460-464,5.
