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Citation: LI Yan-Rong, LI Yue-Sheng, SHI Bao-Chuan. Addition Polymerization of Norbornene by Salicylaldimnato-nickel(Ⅱ) Complex[J]. Chinese Journal of Applied Chemistry, ;2002, 19(7): 617-620. shu

Addition Polymerization of Norbornene by Salicylaldimnato-nickel(Ⅱ) Complex

1.
a State Key Laboratary of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2.
b College of Chemistry and Environment Siciences, Nanjing Normal University, Nanjing

Corresponding author: LI Yue-Sheng,
Received Date: 17 December 2001
Available Online: 1 April 2002
Fund Project: 国家重点基础研究项目(G1999064801) (G1999064801)

The salicylaldimnato Ni(Ⅱ) complexes activated with modified methylaluminoxane(MMAO) as catalysts were employed in addition polymerization of norbornene to give soluble polymer with hight molecular weight. The catalytic activity, polymer yield, and molecular weight of polymer product were found significantly depended on the reaction condifions, such as n(Al)/n(Ni) ratio, monomer concentration and polymerization reaction temperature and time. The catalyst activity of up to 1.3×10⁷g/(mol·h), and viscosity-average molecular weight of polymer of up to 10⁶ were obtained at optimum condition.
- salicylaldimnato Ni(Ⅱ)complex,
- norbornene,
- addition polymerizaition,
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