Ethylene oligomerization catalyst composition and application thereof
A technology of ethylene oligomerization and composition, which is applied in the field of ethylene oligomerization catalyst composition, can solve the problems of poor oligomerization process repeatability, high production cost, and harsh process requirements, and achieve rapid reaction initiation, stable operation, and repeatability Good results
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Embodiment 1
[0033] Replace the reaction system by high-temperature drying, vacuum replacement and other operations to ensure that there is no water and oxygen in the reaction system; then use ethylene to replace the reaction system so that the reaction system is in an ethylene environment; then add tert-butyl to the reaction kettle Hydrogen oxide and toluene solvent, add 1.37ml triethylaluminum toluene solution (concentration: 715μmol / ml), add 2ml 2-benzoxazolyl-6-acetyl chloride 2,6-diethylanilinate iron (II) after the toluene solution (concentration is 2.5 μ mol / ml), make composition total amount be 100ml, wherein, take the weight of organic solvent (being toluene) as calculation basis, the weight content of tert-butyl hydroperoxide is 25ppm , Al / Fe=196, after fully stirring, feed ethylene to start the oligomerization reaction; then keep the ethylene pressure at 1MPa and the reaction temperature at 30°C for 30 minutes; after the reaction is stopped, a small amount of reaction product is ...
Embodiment 2
[0036] With embodiment 1, difference is that the weight content of tert-butyl hydroperoxide is 100ppm. See Table 1 for the data.
Embodiment 3
[0038] With embodiment 1, difference is that the weight content of tert-butyl hydroperoxide is 250ppm. See Table 1 for the data.
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