Highly branched and high-molecular-weight polyethylenes produced by 1-[2,6-bis(bis(4-fluorophenyl)methyl)-4-MeOC6H2N]-2-aryliminoacenaphthylnickel(II) halides

doi:10.1002/pola.29277

	Highly branched and high-molecular-weight polyethylenes produced by 1-[2,6-bis(bis(4-fluorophenyl)methyl)-4-MeOC6H2N]-2-aryliminoacenaphthylnickel(II) halides
	Wu, RK ; Wang, YF ; Guo, LW ; Guo, CY ; Liang, TL ; Sun, WH
刊名	JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
	2019-01-15
卷号	57 期号:2 页码:130-145
关键词	branched cationic polymerization elastomers high molecular weight nickel precatalyst
ISSN号	0887-624X
DOI	10.1002/pola.29277
英文摘要	A series of unsymmetrical 1-[2,6-bis(bis(4-fluorophenyl)methyl)-4-MeOC6H2N]-2-aryliminoacenaphthene-nickel(II) halides has been synthesized and fully characterized by Fourier transform infrared spectroscopy, proton nuclear magnetic resonance (H-1 NMR), C-13 NMR, and F-19 NMR spectroscopy as well as elemental analysis. The structures of Ni1 and Ni6 have been confirmed by the single-crystal X-ray diffraction. On activation with cocatalysts either ethylaluminum sesquichloride or methylaluminoxane, all the title nickel complexes display high activities toward ethylene polymerization up to 16.14 x 10(6) g polyethylene (PE) mol(-1)(Ni) h(-1) at 30 degrees C, affording PEs with both high branches (up to 103 branches/1000 carbons) and molecular weight (1.12 x 10(6) g mol(-1)) as well as narrow molecular weight distribution. High branching content of PE can be confirmed by high temperature C-13 NMR spectroscopy and differential scanning calorimetry. In addition, the PE exhibited remarkable property of thermoplastic elastomers (TPEs) with high tensile strength (sigma(b) = 21.7 MPa) and elongation at break (epsilon(b) = 937%) as well as elastic recovery (up to 85%), indicating a better alternative to commercial TPEs. (c) 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2019, 57, 130-145
语种	英语
出版者	WILEY
WOS记录号	WOS:000453459000006
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/41955]
专题	化学研究所_工程塑料实验室
作者单位	1.Sun, WH (reprint author), Chinese Acad Sci, Key Lab Engn Plast, Inst Chem, Beijing 100190, Peoples R China. 2.Sun, WH (reprint author), Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China. 3.Guo, CY (reprint author), Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China. 4.Sun, WH (reprint author), Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Gansu, Peoples R China.
推荐引用方式 GB/T 7714	Wu, RK,Wang, YF,Guo, LW,et al. Highly branched and high-molecular-weight polyethylenes produced by 1-[2,6-bis(bis(4-fluorophenyl)methyl)-4-MeOC6H2N]-2-aryliminoacenaphthylnickel(II) halides[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2019,57(2):130-145.
APA	Wu, RK,Wang, YF,Guo, LW,Guo, CY,Liang, TL,&Sun, WH.(2019).Highly branched and high-molecular-weight polyethylenes produced by 1-[2,6-bis(bis(4-fluorophenyl)methyl)-4-MeOC6H2N]-2-aryliminoacenaphthylnickel(II) halides.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,57(2),130-145.
MLA	Wu, RK,et al."Highly branched and high-molecular-weight polyethylenes produced by 1-[2,6-bis(bis(4-fluorophenyl)methyl)-4-MeOC6H2N]-2-aryliminoacenaphthylnickel(II) halides".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 57.2(2019):130-145.