Functional-group-selective polar monomer access in remote para-substituted α-diimine nickel-catalyzed ethylene polymerization

2026-07-29

PRE

Muhammad Asadullah Khan *

Xianming Guo

Bowen Zhen

Duoyu Xu

Mohib Ullah Khan

Naseer Ahmad

Shaojie Zhang *

Fuzhou Wang *

DOI：10.1016/j.eurpolymj.2026.114983

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• Remote para-substituted α-diimine nickel catalysts were synthesized and evaluated for ethylene polymerization. • Ethylene polymerization showed temperature-dependent and non-monotonic substituent effects. • The n-pentyl-substituted catalyst showed negligible alcohol incorporation while allowing ester incorporation. • Polymerization temperature tuned polyethylene from semicrystalline thermoplastics to extensible elastomers.

Functional-group-selective polar monomer access in remote para-substituted α-diimine nickel-catalyzed ethylene polymerization

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