Ethylene polymerization using improved polyethylene catalyst

Chinese Journal of Chemical Engineering

Volumn 19, Issue 1, 2011, Pages 52-56

  Zhu, Xiaoheng ^a   Guo, Zifang ^b   Cen, Wei ^a   Mao, Bingquan ^b  

^a BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY   (China)

^b SINOPEC BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY   (China)

Author keywords

ethoxy group; polyethylene; polyethylene catalyst; slurry polymerization process

Indexed keywords

ACTIVE CENTER; APPROPRIATE MODELS; CATALYST PARTICLES; CATALYST STRUCTURES; ENERGY DISPERSIVE ANALYSIS; ETHOXY GROUP; ETHYLENE POLYMERIZATION; KINETIC BEHAVIOR; POLYMER PARTICLE GROWTH; POLYMER PRODUCTS; SCANNING ELECTRON MICROSCOPES; SLURRY POLYMERIZATION PROCESS; ZIEGLER-NATTA CATALYSTS;

COPOLYMERIZATION; COPOLYMERS; ETHYLENE; HYDROGEN; POLYETHYLENES; POLYMERS; SCANNING ELECTRON MICROSCOPY; THERMOPLASTICS;

CATALYST ACTIVITY;

EID: 79952532149     PISSN: 10049541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1004-9541(09)60176-2     Document Type: Article

References (20)

1. Z. Flisak "Multidentate tetrahydrofurfuryloxide ligand in a Ziegler-Natta catalyst studied by molecular modeling" Macromolecules 41 19 2008 6920 6924
2. 2-supported Ziegler-Natta catalysts. A density functional theory study" J. Phys. Chem. C 113 51 2009 21376 21382
3. C. Paolo, G. Gaetano, C. Luigi "Do new century catalysts unravel the mechanism of stereocontrol of old Ziegler-Natta catalysts?" Acc. Chem. Res. 37 4 2004 231 241
4. 4/Lewis base Ziegler-Natta catalytic system" Macromolecules 40 25 2007 9181 9189
5. S. Michael, Z. Tom "Theoretical study of the copolymerization of ethylene and propylene by a heterogeneous Ziegler-Natta catalyst" Macromolecules 37 24 2004 9191 9200
6. 2 model Ziegler-Natta polymerization catalysts: Adsorption site studies using mesitylene thermal desorption" Langmuir 16 24 2000 9414 9420
7. 2-supported Ziegler-Natta catalysts. A periodic density functional theory study" Macromolecules 42 21 2009 8165 8171
8. Z.F. Guo, W. Chen, J. Zhou, H. Yang "Novel high performance Ziegler-Natta catalyst for ethylene slurry polymerization" Chin. J. Chem. Eng. 17 3 2009 530 534
9. J.J. Eisch, K.R. Caldwell "Active sites in soluble Ziegler polymerization catalysts generated from titanocene halides and organoaluminum Lewis acids" W.R. Moser D.W. Slocum Homogeneous Transition Metal Catalyzed Reactions 1992 the American Chemical Society Washington 575 590
10. 2 support for the propylene polymerization catalyst" Macromolecules 28 5 1995 1717 1718
11. 4-Lewis base complexes" J. Phys. Chem. C 111 11 2007 4412 4419
12. P. Sozzani, S. Bracco, A. Comotti "Stoichiometric compounds of magnesium chloride with ethanol for the supported Ziegler-Natta catalysis: First recognition and multidimentional MAS NMR study" J. Am. Chem. Soc. 125 2003 12881 12893 (Pubitemid 37280457)
13. J. Chirinos, J. Fernandez, D. Perez, T. Rajmankina, A. Parada "Effect of alkoxysilanes formed in situ on the properties of Ziegler-Natta catalysts for olefin polymerization" J. Mol. Catal. A: Chemical 231 2005 123 127 (Pubitemid 40348728)
14. M. Abboud, P. Denifl, K. Reichert "Advantages of an emulsion-produced Ziegler-Natta catalyst over a conventional Ziegler-Natta catalyst" Macromol. Mater. Eng. 201 2005 1220 1226 (Pubitemid 43036226)
15. Mao, B.Q., Yang, A.N., Yang, Y., "Catalyst System for Use in Olefinic Polymerization", U. S. Pat., 4861847 (1989).
16. P. Yang, F. Zeng "Industrial application of domestic polyethylene slurry catalyst" China Synthetic Resin and Plastics 21 3 2004 29 32 (in Chinese)
17. P.T. Tait, G.H. Zohuri, A.M. Kell, I.D. McKenzie Ziegler Catalysts G. Fink H.H. Bruntzunger 1995 Springer Berlin 343
18. X. Zheng, S. Madri, C.C. John, L. Joachim "Fragmentation behavior of silica-supported metallocene/MAO catalyst in the early stages of olefin polymerization" Macromolecules 38 11 2005 4673 4678 (Pubitemid 40795239)
19. M.P. McDaniel "Controlling polymer properties with the Phillips chromium catalysts" Ind. Eng. Chem. Res. 27 1988 1559 1564
20. S.Y. Jin, R.W. Harmon "Simple mechanistic model for the kinetics and catalyst activity decay of propylene polymerization over titanium trichloride catalyst with DEAC cocatalyst" Ind. Eng. Chem. Res. 45 3 2004 5932 5938