Synthesis and Polymerization Behavior of Cp<sup>*</sup>Ti(2-pyridinecarboxylato)<sub>2</sub>Cl: A New Cp/non-Cp Hybrid Catalyst for Polyethylene with Multimodal Molecular Weight Distribution

Park, Sung Jin; Han, Y; Kim, Seong Kyun; Lee, Ji Min; Kim, Hwa Kyu; Do, Youngkyu

doi:10.5012/bkcs.2005.26.5.713

Bulletin of the Korean Chemical Society

2005

DOI: 10.5012/bkcs.2005.26.5.713

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Synthesis and Polymerization Behavior of Cp^*Ti(2-pyridinecarboxylato)₂Cl: A New Cp/non-Cp Hybrid Catalyst for Polyethylene with Multimodal Molecular Weight Distribution

Sung Jin Park¹,

Y Han²,

Seong Kyun Kim³

et al.

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Cited by 2 publications

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Copolymerization of ethylene with 1‐hexene promoted by novel multi‐chelated non‐metallocene complexes with imine bridged imidazole ligand

Wang

et al. 2009

J. Polym. Sci. A Polym. Chem.

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A series of novel bridged multi‐chelated non‐metallocene catalysts is synthesized by the treatment of N,N‐imidazole, N,N‐dimethylimidazole, and N,N‐benzimidazole with n‐BuLi, 2,6‐dimethylaniline, and MCl4 (M = Ti, Zr) in THF. These catalysts are used for copolymerization of ethylene with 1‐hexene after activated by methylaluminoxane (MAO). The effects of polymerization temperature, Al/M molar ratio, and pressure of monomer on ethylene copolymerization behaviors are investigated in detail. These results reveal that these catalysts are favorable for copolymerization of ethylene with 1‐hexene featured high catalytic activity and high comonomer incorporation. The copolymer is characterized by 13C NMR, WAXD, GPC, and DSC. The results confirm that the obtained copolymer features broad molecular weight distribution (MWD) about 33–35 and high 1‐hexene incorporation up to 9.2 mol %, melting temperature of the copolymer depends on the content of 1‐hexene incorporation within the copolymer chain and 1‐hexene unit in the copolymer chain isolates by ethylene units. The homopolymer of ethylene has broader MWD with 42–46. © 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 417–424, 2010

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Copolymerization of ethylene with 1‐hexene promoted by novel multi‐chelated non‐metallocene complexes with imine bridged imidazole ligand

Wang

et al. 2009

J. Polym. Sci. A Polym. Chem.

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Synthesis, characterization, and ethylene polymerizations of various N–O chelated mono Cp∗ titanium complexes

Park

2007

Journal of Organometallic Chemistry

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Synthesis and Polymerization Behavior of Cp^*Ti(2-pyridinecarboxylato)₂Cl: A New Cp/non-Cp Hybrid Catalyst for Polyethylene with Multimodal Molecular Weight Distribution

Cited by 2 publications

References 7 publications

Copolymerization of ethylene with 1‐hexene promoted by novel multi‐chelated non‐metallocene complexes with imine bridged imidazole ligand

Copolymerization of ethylene with 1‐hexene promoted by novel multi‐chelated non‐metallocene complexes with imine bridged imidazole ligand

Synthesis, characterization, and ethylene polymerizations of various N–O chelated mono Cp∗ titanium complexes

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Synthesis and Polymerization Behavior of Cp*Ti(2-pyridinecarboxylato)2Cl: A New Cp/non-Cp Hybrid Catalyst for Polyethylene with Multimodal Molecular Weight Distribution

Cited by 2 publications

References 7 publications

Copolymerization of ethylene with 1‐hexene promoted by novel multi‐chelated non‐metallocene complexes with imine bridged imidazole ligand

Copolymerization of ethylene with 1‐hexene promoted by novel multi‐chelated non‐metallocene complexes with imine bridged imidazole ligand

Synthesis, characterization, and ethylene polymerizations of various N–O chelated mono Cp∗ titanium complexes

Contact Info

Product

Resources

About

Synthesis and Polymerization Behavior of Cp^*Ti(2-pyridinecarboxylato)₂Cl: A New Cp/non-Cp Hybrid Catalyst for Polyethylene with Multimodal Molecular Weight Distribution