Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Chen-gang Cao"'
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 390:152-158
Microporous zeolite supported catalysts were prepared by loading Cr(acac)3 and N-isopropyl bis(diphenylphosphino)amine (PNP) onto methylaluminoxane (MAO)-modified HZSM-5, HY, and NaY zeolites to investigate the influence of supported patterns and con
Autor:
Hai Xiang Pei, Jin Yong Dong, Min Peng, Tao Jiang, Kai Hui Hu, Hui Zhou, Chen Gang Cao, Wei Bai
Publikováno v:
Advanced Materials Research. :727-730
A kind of peptide based Ni (II) complexes (general formula [ZN=C(An)-C(An)=NZ](NiBr2)2, Z=(4-NHR-3,5-C6H2(CH3)2)2CH(4-C6H5), R=dipeptide, An=acenaphthenequinone) has been synthesized. Ethylene oligomerizations were carried out by using those complexe
Autor:
Guo Sui Su, Chen Gang Cao, Tao Jiang, Hui Zhou, Jian Bo Kou, Kai Hui Hu, Jin Yong Dong, Min Peng, Shu Na Zhao
Publikováno v:
Advanced Materials Research. :731-734
A kind of N-((3-chloro-1H-indol-2-yl) methylene)-2,6-diisopropylbenzenamin Ni (II) complex has been synthesized. Ethylene oligomerizations were carried out by using those complexes in combination with methyl aluminoxane (MAO) and produced olefin. The
Publikováno v:
Chinese Journal of Polymer Science. 30:561-567
A silica-supported Ziegler-Natta catalyst with dimethyldichlorosilane (DMDS) as modifier and small silica as support was successfully prepared and characterized. Results from pilot screen showed that the new catalyst exhibited higher catalytic activi
Publikováno v:
Advanced Materials Research. :1540-1543
A kind of cobalt complex with asymmetric tridentate ligand was synthesized and used in ethylene oligomerization. The reaction temperature and Al/Co ratio had a great influence on the activities and distributions of the oligomer with methylaluminoxane
Publikováno v:
Chinese Journal of Polymer Science. 29:475-482
Magnesium chloride supported vanadium/titanium bimetallic Ziegler-Natta catalysts with di-i-butyl phthalate as internal donor for copolymerization of ethylene and propylene were prepared. The effects of reaction temperature, ethylene/propylene molar
Publikováno v:
Chinese Science Bulletin. 55:3750-3754
A series of novel N-halogen-substituted-aryl bisphosphinoamine ligands were synthesized and characterized by elemental analysis, 1H NMR and mass spectrometry. The combination of these ligands with Cr(III) and activation by methylaluminoxane leads to
Publikováno v:
Chinese Journal of Polymer Science (Springer Science & Business Media B.V.); Jul2011, Vol. 29 Issue 4, p475-482, 8p, 7 Charts
Publikováno v:
Chinese Science Bulletin. 57(13):1510-1515
The synthesis and characterization of a novel trinuclear diphosphinoamine ligand 2 are reported. The ligand combined with Cr(III), activated with methylaluminoxane, lead to highly active and long-lifetime catalytic systems for the tetramerization of