Impact of process variables on properties of polypropylene derived from the supported ziegler-natta and metallocene catalysts

Iranian Polymer Journal (English Edition)

Volumn 16, Issue 2, 2007, Pages 123-131

  Pipatpratanporn, Patinya ^a   Jongsomjit, Bunjerd ^a   Praserthdam, Piyasan ^a  

^a CHULALONGKORN UNIVERSITY   (Thailand)

Author keywords

Isotactic; Metallocene polymerization; Polyolefins; Support; Ziegler Natta polymerization

Indexed keywords

CATALYSTS; MELTING POINT; POLYMERIZATION; POLYOLEFINS;

ISOTACTIC; METALLOCENE POLYMERIZATION; ZIEGLER-NATTA POLYMERIZATION;

POLYPROPYLENES;

EID: 34249747223     PISSN: 10261265     EISSN: 10261265     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Reddy S.S, Sivaram S., Homogeneous metallocene-methylauminoxane systems for ethylene polymerization, Prog. Polym. Sci., 20, 309-367, 1995.
2. Huang J., Rempel G.L., Ziegler-Natta catalysts for olefin polymerization: Mechanistic insights from metallocene system, Prog. Polym. Sci., 20 , 459-526, 1995.
3. Hamielec A.E., Soares J.B.P., Polymerization reaction engineering: Metallocene catalysts, Prog. olym. Sci., 21, 651-706, 1996.
4. Razavi A., Perters L., Nafpliotis L., Geometric flexibility, ligand and transition metal electronic effects on stereoselecive polymerization of propylene in homogeneous catalysis, J. Mol. Catal. A., 115, 129-154, 1997.
5. Soga K., Shiono T., Ziegler-Natta catalyst for olefin polymerization, Prog. Polym. Sci., 22, 1503-1546, 1997.
6. 6.-Hlatky G.G., Metallocene catalysts for olefin polymerization, Coor. Chem. Rev., 181, 243-296, 1999.
7. Jongsomjit B., Khotdee A., Praserthdam P., Behaviors of ethylene/norbornene copolymerization with zirconocene catalysts, Iran. Polym. J., 14, 559-564, 2005.
8. 2 nanocomposite synthesized by in-situ polymerization using zirconocene/MAO catalyst, Iran. Polym. J., 15, 433-439, 2006.
9. Tangjituabun K., Jongsomjit B., Praserthdam P., The role of CaO in the Ziegler-Natta catalyst for propylene polymerization, Catal Lett., 109, 147-152, 2006.
10. Jongsomjit B., Kaewkrajang P., Wanke S.E., Praserthdam P., A comparative study of ethylene/1-olefin copolymerization with silane-modified silicasupported MAO using zirconocene catalysts, Catal. Lett., 94, 205-208, 2004.
11. Tsai W.M., Chien J.C.W., Silolene-bridged zirconocenium polymerization catalysts, J. Polym. Sci. pol. Chem., 32, 149-158, 1994.
12. Resconi L., Cavallo L., Fait A., Piemontesi F., Selectivity in propene polymerization with metallocene catalysts, Chem. Rev., 100, 1253-1345, 2000.
13. Nakayama Y, Shiono T., Development of chiral metallocenes as polymerization catalyst, Molecules, 10, 620-633, 2005.
14. Hagihara H., Shiono T., Stereospecificity of propene polymerization with achiral titanocene-based catalysts, Macromol. Chem. Phy., 199, 2439-2444, 1998.
15. Busico V., Cipullo R., Microstructure of polypropylene, Prog. Polym. Sci., 26, 443-533, 2001.
16. Knoke S., Korber F., Fink G, Tesche B., Early stages of propylene bulk phase polymerization with supported metallocene catalysts, Macromol. Chem. Phys., 204, 607-617, 2003
17. Jongsomjit B., Kaewkrajang P., Shiono T., Praserthdam P., Supporting effects of silica-supported methylaluminoxane (MAO) with zirconocene catalyst on ethylene/1-olefin copolymerization behaviors for linear low-density polyethylene (LLDPE) production, Ind. Eng. Chem. Res., 43, 7959-7963, 2004.
18. Jongsomjit B., Khotdee A., Praserthdam P., Behaviors of ethylene/norbornene copolymerization with zirconocene catalysts, Iran. Polym. J., 14, 559-564, 2005.
19. 2 nanocomposite synthesized by in-situ polymerization using a zirconocene/MAO catalyst, Iran. Polym. J., 15, 431-437, 2006.