Copolymerization of ethylene and N-(vinylphenyl)carbazole with titanium and zirconium catalysts

Naofumi Naga; Akinori Toyota; Kenji Ogino

doi:10.1002/pola.20597

Copolymerization of ethylene and N-(vinylphenyl)carbazole with titanium and zirconium catalysts

Naofumi Naga, Akinori Toyota, Kenji Ogino

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

The copolymerization of ethylene and N-(vinylphenyl)carbazole (VPC) was carried out with constrained geometry catalysts (CGC) and isopropylidene-bridged zirconocene catalyst. The copolymerization of ethylene and styrene was successfully achieved with half-sandwiched titanocene catalysts which include bridged cyclopentadienyl and amino ligands. It was observed that the copolymer exhibited semicrystalline/rubbery, amorphous rubbery and amorphous/glassy features with increasing styrene content. The results show that the electronic interaction between VPC and the active species affected the reactivity of VPC rather than the steric factor of the active species.

Original language	English
Pages (from-to)	911-915
Number of pages	5
Journal	Journal of Polymer Science, Part A: Polymer Chemistry
Volume	43
Issue number	4
DOIs	https://doi.org/10.1002/pola.20597
Publication status	Published - 2005 Feb 15

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Keywords

Copolymerization
Ethylene
Metallocene catalysts
N-(vinylphenyl)carbazole
Polyolefins

ASJC Scopus subject areas

Polymers and Plastics
Organic Chemistry
Materials Chemistry

Cite this

Naga, N., Toyota, A., & Ogino, K. (2005). Copolymerization of ethylene and N-(vinylphenyl)carbazole with titanium and zirconium catalysts. Journal of Polymer Science, Part A: Polymer Chemistry, 43(4), 911-915. https://doi.org/10.1002/pola.20597

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abstract = "The copolymerization of ethylene and N-(vinylphenyl)carbazole (VPC) was carried out with constrained geometry catalysts (CGC) and isopropylidene-bridged zirconocene catalyst. The copolymerization of ethylene and styrene was successfully achieved with half-sandwiched titanocene catalysts which include bridged cyclopentadienyl and amino ligands. It was observed that the copolymer exhibited semicrystalline/rubbery, amorphous rubbery and amorphous/glassy features with increasing styrene content. The results show that the electronic interaction between VPC and the active species affected the reactivity of VPC rather than the steric factor of the active species.",

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N2 - The copolymerization of ethylene and N-(vinylphenyl)carbazole (VPC) was carried out with constrained geometry catalysts (CGC) and isopropylidene-bridged zirconocene catalyst. The copolymerization of ethylene and styrene was successfully achieved with half-sandwiched titanocene catalysts which include bridged cyclopentadienyl and amino ligands. It was observed that the copolymer exhibited semicrystalline/rubbery, amorphous rubbery and amorphous/glassy features with increasing styrene content. The results show that the electronic interaction between VPC and the active species affected the reactivity of VPC rather than the steric factor of the active species.

AB - The copolymerization of ethylene and N-(vinylphenyl)carbazole (VPC) was carried out with constrained geometry catalysts (CGC) and isopropylidene-bridged zirconocene catalyst. The copolymerization of ethylene and styrene was successfully achieved with half-sandwiched titanocene catalysts which include bridged cyclopentadienyl and amino ligands. It was observed that the copolymer exhibited semicrystalline/rubbery, amorphous rubbery and amorphous/glassy features with increasing styrene content. The results show that the electronic interaction between VPC and the active species affected the reactivity of VPC rather than the steric factor of the active species.

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KW - Metallocene catalysts

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10.1002/pola.20597