Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing

Journal of Non-Newtonian Fluid Mechanics

Volumn 156, Issue 1-2, 2009, Pages 1-6

  Pivokonsky, Radek ^a,b   Zatloukal, Martin ^b   Filip, Petr ^a   Tzoganakis, Costas ^c  

^a INSTITUTE OF HYDRODYNAMICS   (Czech Republic)

^b TOMAS BATA UNIVERSITY IN ZLIN   (Czech Republic)

^c UNIVERSITY OF WATERLOO   (Canada)

Author keywords

Elongational viscosity; Melt strength; Metallocene polypropylene

Indexed keywords

ACTIVATION ENERGY; DATA STORAGE EQUIPMENT; ELECTRONIC EQUIPMENT TESTING; HYDRODYNAMICS; ORGANOMETALLICS; OXIDATION; POLYMER BLENDS; RHEOLOGY; STRAIN HARDENING; THERMOPLASTICS; VISCOSITY;

AND MODELING; BRANCHED STRUCTURES; DYNAMIC DATUMS; ELONGATIONAL VISCOSITIES; ELONGATIONAL VISCOSITY; EXTENSIONAL VISCOSITIES; FLOW SITUATIONS; MELT STRENGTH; METALLOCENE; METALLOCENE POLYPROPYLENE; METALLOCENE POLYPROPYLENES; REACTIVE PROCESSING; RHEOLOGICAL BEHAVIORS; RHEOLOGICAL CHARACTERIZATIONS; ROTATIONAL RHEOMETERS; STEADY SHEARS; TESTING PLATFORMS;

POLYPROPYLENES;

EID: 57449114380     PISSN: 03770257     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jnnfm.2008.06.001     Document Type: Article

References (29)

1. Dealy J.M., and Larson R.G. Structure and Rheology of Molten Polymers: From Structure to Flow Behavior and Back Again (2006), Hanser, Munich
2. Lagendijk R.P., Hogt A.H., Buijtenhuijs A., and Gotsis A.D. Peroxydicarbonate modification of polypropylene and extensinal flow properties. Polymer 42 (2001) 10035
3. Gotsis A.D., Lagendijk R.P., and Hogt A.H. The influence of peroxide modification on the extensional rheological properties of polypropylene. Proceedings of the XIIIth International Congress on Rheology. vol. 1, Cambridge, UK (2000) 203
4. Ghijssels A., Massardier C., and Bradley R.M. Melt strength behavior of polypropylenes. Polym. Process. 12 (1997) 147
5. Gotsis A.D., and Zeevenhoven B.L.F. Effect of long chain branches on the rheology of polypropylene. J. Rheol. 48 (2004) 895
6. V.V. De Maio, D. Dong, The effect of chain structure on melt strength of polypropylene and polyethylene, SPE ANTEC Technical Paper 43 (1997) 1512.
7. Tzoganakis C. Rheological evaluation of linear and branched controlled-rheology polypropylenes. Can. J. Chem. Eng. 72 (1994) 749
8. Doerpinghaus P.J., and Baird D.G. Assessing the branching architecture of sparsely branched metallocene-catalyzed polyethylenes using the Pompom constitutive model. Macromolecules 35 (2002) 10087
9. Carella J.M., Gotro J.T., and Grassley W.W. Thermorheological effects of long-chain branching in entangled polymer melts. Macromolecules 19 (1986) 659
10. Grassley W.W., and Raju V.R. Some rheological properties of solutions and blends of hydrogenated polybutadiene. J. Polym. Sci. 71 (1984) 71
11. Munari A., Pezzin G., and Pilati F. Linear and branched poly(butyleneisophthalate): activation energy for melt flow. Rheol. Acta 29 (1990) 469
12. Verbeeten W.M.H., Peters G.W.M., and Baaijens F.P.T. Differential constitutive equations for polymer melts: extended Pom-Pom model. J. Rheol. 45 (2001) 823
13. McLeish T.C.B., and Larson R.G. Molecular constitutive equations for a class of branched polymers: the Pom-Pom model. J. Rheol. 42 (1998) 81
14. Tanner R.I., and Nasseri S. Simple constitutive models for linear and branched polymers. J. Non-Newtonian Fluid Mech. 116 (2003) 1
15. Tanner R.I. A revision of the PTT model. In: Luo Y., Rao Q., and Xu Y. (Eds). Proceedings of the Fourth Pacific RIM Conference on Rheology, Advances in Rheology and Its Application. Shanghai, August 7-11 (2005), Science Press USA Inc. 45-49
16. Tanner R.I. On the congruence of some network and pom-pom models. Kor.-Austral. Rheol. J. 18 (2006) 9
17. Tzoganakis C., Vlachopoulos J., and Hamielec A.E. Production of controlled-rheology polypropylene resins by peroxide promoted degradation during extrusion. Polym. Eng. Sci. 28 (1988) 170
18. Tzoganakis C., Vlachopoulos J., and Hamielec A.E. Modeling of the peroxide degradation of polypropylene. Int. Polym. Process. 3 (1988) 141
19. Huang C., Tzoganakis C., and Duever T.A. Monte Carlo simulation of peroxide initiated degradation of polypropylene. Polym. React. Eng. J. 3 (1995) 1.
20. Thompson M.R., Tzoganakis C., and Rempel G.L. Evaluation of vinylidene group content in degraded polypropylene. J. Polym. Sci. Part A: Polym. Chem. 35 (1997) 3083
21. Dickson S.B., Tzoganakis C., and Budman H. Reactive extrusion of polypropylene with pulsed peroxide addition: process and control aspects. Ind. Eng. Chem. Res. 36 (1997) 1067
22. Sentmanat M.L. Miniature universal testing platform: from extensional melt rheology to solid-state deformation behavior. Rheol. Acta 43 (2004) 657
23. M.L. Sentmanat, Dual wind-up extensional rheometer, US Patent 6,578,413 (2003).
24. Sentmanat M.L., Wang B.N., and McKinley G.H. Measuring the transient extensional rheology of polyethylene melts using the SER universal testing platform. J. Rheol. 49 (2005) 585
25. Münstedt H., and Auh D. Rheological measuring techniques and their relevance for the molecular characterization of polymers. J. Non-Newtonian Fluid Mech. 128 (2005) 62
26. Larson R.G. Constitutive Equations for Polymer Melts and Solutions (1998), Butterworth Publishers
27. Inkson N.J., McLeish T.C.B., Harlen O.G., and Groves D.J. Predicting low density polyethylene melt rheology in elongational and shear flows with Pom-Pom constitutive equations. J. Rheol. 43 (1999) 873
28. Pivokonsky R., Zatloukal M., and Filip P. On the predictive/fitting capabilities of the advanced differential constitutive equations for linear polyethylene melts. J. Non-Newtonian Fluid Mech. 150 (2008) 56
29. Zatloukal M. Differential viscoelastic constitutive equations for polymer melts in steady shear and elongational flows. J. Non-Newtonian Fluid Mech. 113 (2003) 209