a.Department of Chemistry, School of Materials Science and Engineering, Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, China
b.Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China
chemistdrasad@gmail.com (M.A.K.)
obaid@mail.ustc.edu.cn (O.I.)
wangzh428@mail.ustc.edu.cn (Z.H.W.)
wangfuzhou@ahu.edu.cn (F.Z.W.)
收稿:2026-02-07,
录用:2026-03-18,
网络首发:2026-07-15,
纸质出版:2026-08-15
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Khan, M. A.; Iqbal, O.; Wang, Z. H.; Wang, F. Z. Recent Advancements in nickel-catalyzed olefin polymerization: molecular design, mechanistic insights, and sustainable polyolefin materials. Chinese J. Polym. Sci. 2026, 44, 2453–2483
Muhammad Asadullah Khan, Obaid Iqbal, Zi-Hao Wang, et al. Recent Advancements in Nickel-catalyzed Olefin Polymerization: Molecular Design, Mechanistic Insights, and Sustainable Polyolefin Materials[J]. Chinese Journal of Polymer Science, 2026, 44(8): 2453-2483.
Khan, M. A.; Iqbal, O.; Wang, Z. H.; Wang, F. Z. Recent Advancements in nickel-catalyzed olefin polymerization: molecular design, mechanistic insights, and sustainable polyolefin materials. Chinese J. Polym. Sci. 2026, 44, 2453–2483 DOI: 10.1007/s10118-026-3675-9.
Muhammad Asadullah Khan, Obaid Iqbal, Zi-Hao Wang, et al. Recent Advancements in Nickel-catalyzed Olefin Polymerization: Molecular Design, Mechanistic Insights, and Sustainable Polyolefin Materials[J]. Chinese Journal of Polymer Science, 2026, 44(8): 2453-2483. DOI: 10.1007/s10118-026-3675-9.
A versatile platform of late transition metal catalysts has been developed for the precision polymerization of ethylene. By leveraging tunable ligand designs and controlled chain-walking mechanisms
these catalytic systems enable the tailored synthesis of diverse polyethylene architectures
ranging from highly branched LDPE to linear HDPE and UHMWPE. Furthermore
the catalysts demonstrate exceptional regio- and stereo-specificity
facilitating the direct copolymerization of ethylene with polar monomers to produce advanced
functionalized polyolefins.
Polyolefins
defined as polymers that are widely synthesized
are significant to modern civilization owing to their flexibility and affordability. Nevertheless
conventional polyolefins have limitations in terms of their sustainability and usefulness. Recent innovations in nickel-based catalysts have radically altered olefin polymerization
facilitating precise regulation of the polymer microstructure and integration of polar monomers. This review addresses the recent developments in
α
-diimine nickel catalysts
SHOP-type systems
and iminopyridyl-based complexes
focus
ing on the impact of steric and electronic ligand alterations on thermal robustness
catalytic activity
and molecular weight control. To clarify its function in adjusting the mechanical and thermal characteristics
the chain-walking mechanism
which is essential for creating branched architectures
was broken down. Breakthroughs
including supramolecular shielding and fluorine effects
in addition to dinuclear architectures
have led to ultrahigh-molecular-weight polyethylenes (UHMWPEs)
semicrystalline materials
and thermoplastic elastomers directly from ethylene. In addition
the resulting approaches for copolymerizing ethylene with polar monomers (acrylates
norbornene) or carbon monoxide have revealed routes to functionalized and photodegradable polyolefins. Despite these outcomes
challenges remain in accomplishing highly polar comonomer incorporation and commercial scalability. This review highlights nickel catalysts as an adaptable framework for sustainable polyolefin innovation
connecting academic research with applications in packaging
biomedicine
and recyclable materials.
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