Issue 94, 2016, Issue in Progress

Accessing highly linear polyethylenes by 2-(1-aryliminoethyl)-7-arylimino-6,6-dimethylcyclopenta[b]pyridylchromium(iii) chlorides

Abstract

A series of 2-(1-aryliminoethyl)-7-arylimino-6,6-dimethylcyclopenta[b]pyridylchromium(III) chlorides (aryl = 2,6-Me2Ph (Cr1), 2,6-Et2Ph (Cr2), 2,6-i-Pr2Ph (Cr3), 2,4,6-Me3Ph (Cr4), 2,6-Et2-4-MePh (Cr5)) was synthesized and characterized using FT-IR and elemental analysis, and the molecular structure of complex Cr1 was confirmed by using single-crystal X-ray diffraction to present a distorted octahedral geometry around the chromium center. Upon activation with modified methylaluminoxane (MMAO) or ethylaluminium sesquichloride (EASC), all chromium pre-catalysts exhibit good activities towards ethylene polymerization for the highly linear polyethylene.

Graphical abstract: Accessing highly linear polyethylenes by 2-(1-aryliminoethyl)-7-arylimino-6,6-dimethylcyclopenta[b]pyridylchromium(iii) chlorides

Supplementary files

Article information

Article type
Paper
Submitted
01 Sep 2016
Accepted
18 Sep 2016
First published
19 Sep 2016

RSC Adv., 2016,6, 91401-91408

Accessing highly linear polyethylenes by 2-(1-aryliminoethyl)-7-arylimino-6,6-dimethylcyclopenta[b]pyridylchromium(III) chlorides

Y. Zhang, C. Huang, X. Hao, X. Hu and W. Sun, RSC Adv., 2016, 6, 91401 DOI: 10.1039/C6RA21914D

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