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81 条 记 录,以下是 1-30

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Phillips Cr/silica catalyst for ethylene polymerization被引量:171收藏 分享
作者:Cheng, Ruihua Liu, Zhen Zhong, Lei He, Xuelian Qiu, Pengyuan Terano, Minoru Eisen, Moris S. Scott, Susannah L. Liu, Boping
机构: State Key Laboratory of Chemical Engineering; School of Materials Science; Schulich Faculty of Chemistry; Department of Chemical Engineering
来源:Advances in Polymer Science  2013
关键词:Catalysts - Ethylene - Molecular modeling - Polymerization - Spectroscopic analysis  
Direct Arylation of α-Amino C(sp3)-H Bonds by Convergent Paired Electrolysis被引量:132收藏 分享
作者:Ma, Yueyue Yao, Xiantong Zhang, Lei Ni, Pufan Cheng, Ruihua Ye, Jinxing
机构:East China Univ Sci & Technol;East China Univ Sci & Technol
来源:ANGEWANDTE CHEMIE-INTERNATIONAL EDITION  2019
关键词:arylation   cross-coupling   C-H activation   electrocatalysis   tertiary amines  
Theoretical Exploration of Mechanism and Ligand Effects of Asymmetric Hydrogenation of β-Amino Ketone Catalyzed by an Iridium-PNN Catalyst被引量:59收藏 分享
作者:Xiong, Yan Liu, Chengyu Zhang, Lei Wang, Xin Yang, Jiaxin Liu, Zhen Ye, Jinxing Cheng, Ruihua
机构: School of Chemical Engineering; Engineering Research Centre of Pharmaceutical Process Chemistry; School of Biomedical and Pharmaceutical Sciences
来源:Organometallics  2023
关键词:Amides - Amines - Binding energy - Catalysts - Chemical bonds - Density functional theory - Enantioselectivity - Iridium - Ketones - Ligands - Phosphorus compounds - Scaffolds - Sodium compounds  
New strategies for synthesis of amino-functionalized poly(propylene carbonate) over SalenCo(III)Cl catalyst被引量:59收藏 分享
作者:Tong, Yutao Cheng, Ruihua Yu, Lingling Liu, Boping
机构: College of Chemical Engineering; College of Materials and Energy
来源:Journal of Polymer Science  2020
关键词:Catalysts - Carbonation - Monomers - Propylene - Hydrophilicity  
Mechanism for alternating copolymerization of CO2 and propylene oxide in diethylzinc-water catalytic system: A DFT study被引量:57收藏 分享
作者:Pan, Xing Liu, Zhen Cheng, Ruihua Yang, Yun Zhong, Lei He, Xuelian Liu, Boping
机构: State Key Laboratory of Chemical Engineering
来源:Journal of CO2 Utilization  2013
关键词:II-VI semiconductors - Copolymerization - Density functional theory - Gibbs free energy - Propylene - Zinc oxide - Carbonation - Waterworks - Free energy - Energy barriers  
High-resolution spectroscopy (XPS, 1H MAS solid-state NMR) and DFT investigations into Ti-modified Phillips CrOx/SiO2 catalysts被引量:54收藏 分享
作者:Cheng, Ruihua Xu, Chen Liu, Zhen Dong, Qi He, Xuelian Fang, Yuwei Terano, Minoru Hu, Yatao Pullukat, Thomas J. Liu, Boping
机构: State Key Laboratory of Chemical Engineering; School of Materials Science; Research and Development Center
来源:Journal of Catalysis  2010
关键词:Density functional theory - Spectroscopic analysis - Catalysts - Ethylene - Photons - Light polarization - Molecular wEIght distribution - Nuclear magnetic resonance spectroscopy - Photoelectrons - Polymerization - Chromates  
Theoretical investigation of mechanism on nickel-catalyzed electrochemical cross-coupling of aryl bromides and arylamines被引量:54收藏 分享
作者:Wang, Xin Ma, Yueyue Ye, Jinxing Liu, Zhen Cheng, Ruihua
机构: School of Chemical Engineering; School of Biomedical and Pharmaceutical Sciences
来源:Catalysis Science and Technology  2022
关键词:Catalyst activity - Chemical bonds - Computation theory - Density functional theory - Metal halides - Molecular orbitals - Nickel compounds  
A novel SiO2-supported inorganic and organic hybrid chromium-based catalyst for ethylene polymerization被引量:53收藏 分享
作者:Zhang, Shiliang Dong, Qi Cheng, Ruihua He, Xuelian Wang, Quntao Tang, Yan Yu, Yongling Xie, Kan Da, Jianwen Liu, Boping
机构: State Key Laboratory of Chemical Engineering; Research Institute of Qilu Branch Co.
来源:Journal of Molecular Catalysis A: Chemical  2012
关键词:Catalyst supports - Calcination - Ethylene - Catalyst activity - Silica - Chromates - Chromium  
DFT and CASPT2 study on the mechanism of ethylene dimerization over Cr(II)OH+ cation被引量:52收藏 分享
作者:Liu, Zhen Zhong, Lei Yang, Yun Cheng, Ruihua Liu, Boping
机构: State Key Laboratory of Chemical Engineering
来源:Journal of Physical Chemistry A  2011
关键词:Ethylene - Molecular physics - Reaction intermediates - Perturbation techniques - Positive ions - Potential energy - Density functional theory - Dimerization - Rate constants - Chromium compounds - Quantum chemistry  
Role of 1,2-Dimethoxyethane in the Transformation from Ethylene Polymerization to Trimerization Using Chromium Tris(2-ethylhexanoate)-Based Catalyst System: A DFT Study被引量:50收藏 分享
作者:Qi, Yuan Dong, Qi Zhong, Lei Liu, Zhen Qiu, Pengyuan Cheng, Ruihua He, Xuelian Vanderbilt, Jeffrey Liu, Boping
机构:E China Univ Sci & Technol;Westlake Chem Corp
来源:ORGANOMETALLICS  2010
关键词:Coordination reactions - Chromium compounds - Metals - Dimerization - Density functional theory - Ethylene  
Reprint of: Effect of Mo-modification over Phillips CrOx/SiO2 catalyst for ethylene polymerization被引量:48收藏 分享
作者:Ma, Yue Cheng, Ruihua Li, Jiajun Zhong, Lei Liu, Zhen He, Xuelian Liu, Boping
机构: State Key Lab of Chemical Engineering
来源:Journal of Organometallic Chemistry  2015
关键词:Molecular wEIght distribution - Catalyst activity - Silica - Polyethylenes - Chains - Copolymerization - Ethylene  
Experimental and theoretical studies on ethylene polymerization using SiO2-supported silyl chromate type catalysts prepared by a green method被引量:45收藏 分享
作者:Li, Xiaofang Cheng, Ruihua Luo, Jun Dong, Qi He, Xuelian Li, Liuzhong Yu, Yongling Da, Jianwen Liu, Boping
机构: State Key Laboratory of Chemical Engineering; Research Institute of Qilu Branch Co.
来源:Journal of Molecular Catalysis A: Chemical  2010
关键词:Catalyst activity - Ethylene - Silica - Chromates - Polymerization - Catalyst supports - Chlorine compounds - Chromium  
Spin Surface Crossing between Chromium(I)/Sextet and Chromium(III)/Quartet without Deprotonation in SNS-Cr Mediated Ethylene Trimerization被引量:42收藏 分享
作者:Yang, Yun Liu, Zhen Zhong, Lei Qiu, Pengyuan Dong, Qi Cheng, Ruihua Vanderbilt, Jeffrey Liu, Boping
机构:E China Univ Sci & Technol;Westlake Chem Corp
来源:ORGANOMETALLICS  2011
关键词:Ethylene - Redox reactions - Free energy - Gibbs free energy - Density functional theory - Activation energy - Chromium compounds - Ground state  
A Novel SiO2-Supported Cr-V Bimetallic Catalyst Making Polyethylene and Ethylene/1-Hexene Copolymers with Bimodal Molecular WEIght Distribution被引量:39收藏 分享
作者:Zhao, Ning Cheng, Ruihua He, Xuelian Liu, Zhen Liu, Boping
机构:E China Univ Sci & Technol
来源:MACROMOLECULAR CHEMISTRY AND PHYSICS  2014
关键词:copolymerization   kinetics (polym.)   novel Cr-V bimetallic catalysts   short-chain branch distribution   temperature rising elution fractionation successive self- nucleation/annealing (TREF plus SSA)  
DFT and PIO study of the influences of Mo valance state and surface hydroxyl on supported-MoOx catalysts for ethylene polymerization被引量:39收藏 分享
作者:Cao, Xiaochun Cheng, Ruihua Liu, Zhen Wang, Lisong Dong, Qi He, Xuelian Liu, Boping
机构: State Key Laboratory of Chemical Engineering
来源:Journal of Molecular Catalysis A: Chemical  2010
关键词:Molybdenum - Silica - Ethylene - Density functional theory - Alumina - Catalyst supports - Molybdenum oxide - Polymerization - Aluminum oxide - Catalyst activity  
Mechanistic DFT Study on Ethylene Trimerization of Chromium Catalysts Supported by a Versatile Pyrrole Ligand System被引量:37收藏 分享
作者:Yang, Yun Liu, Zhen Cheng, Ruihua He, Xuelian Liu, Boping
机构:E China Univ Sci & Technol;Eindhoven Univ Technol
来源:ORGANOMETALLICS  2014
关键词:Chromium - Ground state - Chlorine compounds - Ethylene - Chromium compounds - Catalysts  
ZnO/SiO2-modified rare-earth-metal ternary catalyst bearing quaternary ammonium salts for synthesis of high molecular wEIght poly(propylene carbonate)被引量:36收藏 分享
作者:Cheng, Ruihua Zhou, Yujie Hou, Qiaoli Liu, Boping
机构: State Key Laboratory of Chemical Engineering
来源:Chinese Journal of Catalysis  2018
关键词:II-VI semiconductors - Molecular wEIght - Zinc oxide - Carbonation - Silica - Fluorine compounds - Polycarbonates - Propylene - Rare earths - Catalyst activity - Copolymerization - Negative ions  
Copolymerization of CO2 and propylene oxide using ZnGA/DMC composite catalyst for high molecular wEIght poly(propylene carbonate)被引量:33收藏 分享
作者:Meng, Qingyang Cheng, Ruihua Li, Jiajia Wang, Tingting Liu, Boping
机构:State Key Lab Chem Engn;East China Univ Sci & Technol
来源:JOURNAL OF CO2 UTILIZATION  2016
关键词:Carbon dioxide   Copolymerization   ZnGA/DMC   Composite catalyst   Synergistic effects  
Short chain branches distribution characterization of ethylene/1-hexene copolymers by using TREF+13C-NMR and TREF+SC methods被引量:33收藏 分享
作者:Zhang, Shiliang Zhao, Ning Wu, Yuxiang Dong, Qi Wang, Quntao Tang, Yan Yu, Yongling Da, Jianwen He, Xuelian Cheng, Ruihua Liu, Boping
机构: State Key Laboratory of Chemical Engineering; Research Institute of Qilu Branch Co.
来源:Macromolecular Symposia  2012
关键词:Chains - Silica - Chromates - Catalysts - High density polyethylenes  
Adsorption of TiCl4 and electron donor on defective MgCl2 surfaces and propylene polymerization over Ziegler-Natta catalyst: A DFT study被引量:30收藏 分享
作者:Cheng, Rui-hua Luo, Jun Liu, Zhen Sun, Jing-wen Huang, Wei-huan Zhang, Ming-ge Yi, Jian-jun Liu, Bo-ping
机构:E China Univ Sci & Technol;China Natl Petr Corp
来源:CHINESE JOURNAL OF POLYMER SCIENCE  2013
关键词:Supported Ziegler-Natta catalyst   Propylene polymerization   Defective MgCl2 surfaces   Electron donor   Density functional theory  
Active Site Transformation During the Induction Period of Ethylene Polymerization over the Phillips CrOx/SiO2 Catalyst被引量:29收藏 分享
作者:Zhong, Lei Liu, Zhen Cheng, Ruihua Tang, Siyang Qiu, Pengyuan He, Xuelian Terano, Minoru Liu, Boping
机构:E China Univ Sci & Technol;Japan Adv Inst Sci & Technol
来源:CHEMCATCHEM  2012
关键词:adsorption   heterogeneous catalysis   metathesis   reaction mechanisms   spin crossover  
Transition metal-free, visible-light-mediated construction of α,β-diamino esters via decarboxylative radical addition at room temperature被引量:27收藏 分享
作者:Wu, Guibing Wang, Jingwen Liu, Chengyu Sun, Maolin Zhang, Lei Ma, Yueyue Cheng, Ruihua Ye, Jinxing
机构:East China Univ Sci & Technol;East China Univ Sci & Technol
来源:ORGANIC CHEMISTRY FRONTIERS  2019
关键词:Transition metals - Light - Amino acids  
Novel SiO2-Supported Chromium Oxide(Cr)/Vanadium Oxide(V) Bimetallic Catalysts for Production of Bimodal Polyethylene被引量:26收藏 分享
作者:Cheng, Ruihua Xue, Xin Liu, Weiwei Zhao, Ning He, Xuelian Liu, Zhen Liu, Boping
机构:E China Univ Sci & Technol
来源:MACROMOLECULAR REACTION ENGINEERING  2015
关键词:bimodal molecular wEIght distribution   copolymerization   Cr-V bimetallic catalyst   kinetics (polym.)   short chain branch distribution (SCBD)  
A Triphenylsiloxy Complex of Chromium(II) as a Switchable Catalyst for Ethylene Polymerization and Nonselective Oligomerization被引量:25收藏 分享
作者:Qiu, Pengyuan Cheng, Ruihua Liu, Boping Tumanskii, Boris Batrice, Rami J. Botoshansky, Mark Eisen, Moris S.
机构:E China Univ Sci & Technol;Technion Israel Inst Technol
来源:ORGANOMETALLICS  2011
关键词:Polymerization - Coordination reactions - Crystal structure - Argon - Ethylene - Nuclear magnetic resonance spectroscopy - Aluminum compounds - Oligomers - Aluminum - Chromium compounds - Electron spin resonance spectroscopy - Oligomerization - Paramagnetic resonance  
Effect of Al-alkyl cocatalyst on ethylene polymerization behavior using silyl chromate (SC)/SiO2 catalyst被引量:25收藏 分享
作者:Li, Liuzhong Wu, Yuxiang Dong, Qi Hao, Aiyou Cheng, Ruihua Zhong, Lei Liu, Boping
机构: School of Chemistry and Chemical Engineering; State Key Laboratory of Chemical Engineering
来源:Asia-Pacific Journal of Chemical Engineering  2013
关键词:Catalysts - Homopolymerization - Ethylene - Kinetics  
Novel SiO2-Supported Silyl-Chromate(Cr)/Imido-Vanadium(V) Bimetallic Catalysts Producing Polyethylene and Ethylene/1-Hexene Copolymers with Bimodal Molecular-WEIght Distribution被引量:25收藏 分享
作者:Zhao, Ning Cheng, Ruihua He, Xuelian Liu, Zhen Liu, Boping Zhang, Rui Gao, Yuxin Zou, Enguang Wang, Sihan
机构:E China Univ Sci & Technol;Petrochem Res Inst PetroChina
来源:MACROMOLECULAR CHEMISTRY AND PHYSICS  2014
关键词:bimodal molecular-wEIght distribution (MWD)   copolymerization   kinetics (polym)   imido V compounds   novel Cr-imido V bimetallic catalyst  
What Triggered the Switching from Ethylene-Selective Trimerization into Tetramerization over the Cr/(2,2′-Dipicolylamine) Catalysts?被引量:24收藏 分享
作者:Liu, Lin Liu, Zhen Tang, Siyang Cheng, Ruihua He, Xuelian Liu, Boping
机构:East China Univ Sci & Technol;Sichuan Univ;South China Agr Univ
来源:ACS CATALYSIS  2019
关键词:ethylene trimerization   ethylene tetramerization   switchable mechanism   effect of methyl substituent   DFT  
Mechanistic Aspects of Acrylic Acid Formation from CO2-Ethylene Coupling over Palladium- and Nickel-based Catalysts被引量:24收藏 分享
作者:Li, Yuanhui Liu, Zhen Cheng, Ruihua Liu, Boping
机构:East China Univ Sci & Technol;South China Agr Univ
来源:CHEMCATCHEM  2018
关键词:CO2-ethylene coupling   density functional calculations   ligand effect   mechanism   Ni-0   Pd-0-based catalysts  
Kinetic studies on the pyrrole-Cr-based Chevron-Phillips ethylene trimerization catalyst system被引量:23收藏 分享
作者:Tang, Siyang Liu, Zhen Yan, Xiaowei Li, Ning Cheng, Ruihua He, Xuelian Liu, Boping
机构:E China Univ Sci & Technol
来源:APPLIED CATALYSIS A-GENERAL  2014
关键词:Kinetic study   Ethylene trimerization   1-Hexene   Pyrrole-Cr based catalyst  
Experimental and computational approaches on the Lsospecific role of monoester-type internal electron donor for TiCl4/MgCl2 Ziegler-Natta catalysts被引量:20收藏 分享
作者:Liu, Boping Cheng, Ruihua Liu, Zhen Qiu, Pengyuan Zhang, Shiliang Taniike, Toshiaki Terano, Minoru Tashino, Kunihiko Fujita, Takashi
机构: State Key Lab. of Chemical Engineering; School of Materials Science; R and D Section
来源:Macromolecular Symposia  2007
关键词:Computational methods - Esters - Molecular modeling - Polymerization - Polypropylenes - Titanium compounds  
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