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Citation: Wang Fengjiang, Liu Guozhi, Qian Baogong. STUDIES ON THE POLYMERIZATION OF BUTADIENE IN THE PRESENSE OF IRON CATALYST Ⅵ.EFFECTS OF NITROGENCONTAINING LIGANDS ON THE POLYMERIZATION AND THE MICROSTRUCTURE OF POLYMER[J]. Chinese Journal of Applied Chemistry, ;1988, 5(1): 15-20. shu

STUDIES ON THE POLYMERIZATION OF BUTADIENE IN THE PRESENSE OF IRON CATALYST Ⅵ.EFFECTS OF NITROGENCONTAINING LIGANDS ON THE POLYMERIZATION AND THE MICROSTRUCTURE OF POLYMER

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 1 December 1986
Available Online: 2 April 1987

In order to investigate their effects on the polymerization of butadiene and the microstructure of polymers, three series of nitrogen-containing compounds were added into the catalyst system of FeCl₃-(i-C₄H₉)₃Al i.e.1), pyridine, quinoline, 2,2'-bipyridine, 2,2',2″-terpyri-dine, 2,2',2″,2'''-tetrapyridine; 2), pyridine, 2-cyanopyridine, 2,6-dicyanopyridine; 3),triethylamine, N,N,N',N″-tetramethylethylenediamine, diethylenetriamine. The effects of concentration of ligands as well as alkylaluminum on both catalytic activity and the [η] of polymers were investigated. It was observed that the larger the number of nitrogen atomsin the ligand, the more the 1,2-structural content of polybutadieneo It is considered that the ligand coordinated to active center would occupy the empty orbitals, increasing the opportunity of trans-configuration of butadiene on the active center as well as the content of 1,2-units in polymer. The mechanism is also used to explain the difference in catalytic activities caused by various ligands.
- Coordination polymerization,
- Butadiene,
- Nitrogen containing ligand,
- Ferric chloride,
- Mechanism
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STUDIES ON THE POLYMERIZATION OF BUTADIENE IN THE PRESENSE OF IRON CATALYST Ⅵ.EFFECTS OF NITROGENCONTAINING LIGANDS ON THE POLYMERIZATION AND THE MICROSTRUCTURE OF POLYMER

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com