Synthesis and characterization of ethylene-propylene copolymer and polyethylene using α-diimine nickel catalysts
✍ Scribed by Pourtaghi-Zahed, Hamid; Zohuri, Gholam Hossein
- Book ID
- 117999796
- Publisher
- Springer
- Year
- 2012
- Tongue
- English
- Weight
- 288 KB
- Volume
- 19
- Category
- Article
- ISSN
- 1022-9760
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## Abstract The polymerization of ethylene in the presence of 1,4‐bis(2,6‐diisopropylphenyl)acenaphthenediiminenickel(II) dichloride (**1**) and methylaluminoxane (MAO) gives hyperbranched polyethylene (HBPE) in appropriate reaction conditions. The system **1**/MAO is active in solvents like toluen
## Abstract Several nickel α‐diimine compounds of the general formula (ArNC(R)C(R)NAr)NiX~2~ (Ar = 2,6‐alkyl substituted Ph, R = H or CH~3~, X = Br or CH^3^) were tested in ethylene polymerization after activation with different co‐catalysts, such as methylaluminoxane, Al(C~2~H~5~)~2~Cl or other