Rheology of Ziegler-Natta and metallocene high-density polyethylenes: Broad molecular weight distribution effects

Rheologica Acta

Volumn 50, Issue 1, 2011, Pages 17-27

  Ansari, Mahmoud ^a   Hatzikiriakos, Savvas G ^a   Sukhadia, Ashish M ^b   Rohlfing, David C ^b  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b CHEVRON PHILLIPS CHEMICAL COMPANY LP   (United States)

Author keywords

Cox Merz rule; Metallocene HDPE; Molecular weight distribution; Zero shear viscosity; Ziegler Natta HDPE

Indexed keywords

EID: 78751590920     PISSN: 00354511     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00397-010-0503-4     Document Type: Article

References (65)

1. Agarwal PK (1979) A relationship between steady state shear compliance and molecular weight distribution. Macromolecules 12: 342-344.
2. Aguilar M, Martin S, Vega JF, Muñoz-Escalona A, Martinez-Salazar J (2005) Processability of a metallocene-catalyzed linear PE improved by blending with a small amount of UHMWPE. J Polym Sci Part B Polym Phys 43: 2963-2971.
3. Akovali G (1967) Viscoelastic properties of polystyrene. J Polym Sci Part A2 5: 875.
4. Benham EA, McDaniel MP (2006) "Ethylene polymers, HDPE" Kirk-Othmer encyclopedia of chemical technology, 5th edn, vol 20. Wiley, Hoboken.
5. Borg T, Paakkonen EJ (2009) Linear viscoelastic models part III. Start-up and transient flow effects from the molecular weight distribution. J Non-Newton Fluid Mech 159: 17-25.
6. Carella JM (1996) Comparison of the rheological properties of metallocene-catalyzed and conventional high-density polyethylenes-comment. Macromolecules 29: 8280-8281.
7. Carella JM, Gotro JT, Graessley WW (1986) Thermorheological effects of long-chain branching in entangled polymer melts. Macromolecules 19: 659-667.
8. Cho HS, Choi KH, Choi DJ, Lee WY (2000) Control of molecular weight distribution (MWD) for polyethylene catalyzed over Ziegler-Natta/Metallocene hybrid catalysts. Korean J Chem Eng 17: 205-209.
9. Cocchini F, Nobile MR (2003) Constrained inversion of rheological data to molecular weight distribution for polymer melts. Rheol Acta 42: 232-242.
10. Cox WP, Merz EH (1958) Correlation of dynamic and steady-flow viscosities. J Polym Sci 28: 619-622.
11. Dealy JM, Larson RG (2006) Structure and rheology of molten polymers-from structure to flow behavior and back again. Hanser, Munich.
12. Dealy JM, Wissbrun KF (1990) Melt rheology and its role in plastics processing. van Nostrand Reinhold, New York.
13. den Doelder J (2006) Viscosity and compliance from molar mass distributions using double reptation models. Rheol Acta 46: 195-210.
14. des Cloizeaux J (1988) Double reptation vs simple reptation in polymer melts. Europhys Lett Phys 5: 437-442.
15. des Cloizeaux J (1990) Relaxation of entangled polymers in melts. Macromolecules 23: 3992-4006.
16. Fernandez M, Vega JF, Santamaría A, Muñoz-Escalona A, Lafuente P (2000) The effect of chain architecture on "sharkskin" of metallocene polyethylenes. Macromol Rapid Commun 21: 973-978.
17. Gabriel C, Münstedt H (2002) Influence of long-chain branches in polyethylenes on linear viscoelastic flow properties in shear. Rheol Acta 41(3): 232-244.
18. García-Franco CA, Mead DW (1999) Rheological and molecular characterization of linear backbone flexible polymers with the Cole-Cole model relaxation spectrum. Rheol Acta 38: 34-47.
19. Graessley WW (1982) Effect of long branches on the temperature-dependence of viscoelastic properties in polymer melts. Macromolecules 15: 1164-1167.
20. Hatzikiriakos SG (2000) Long chain branching and polydispersity effects on the rheological properties of polyethylenes. Polym Eng Sci 40: 2279-2287.
21. Hua CC (2000) Investigations on several empirical rules for entangled polymers based on a self-consistent full-chain reptation theory. J Chem Phys 112: 8176-8186.
22. Ianniruberto G, Marrucci G (1996) On compatibility of the Cox-Merz rule with the model of Doi and Edwards. J Non-Newton Fluid Mech 65: 241-246.
23. Kanev D, Takacs E, Vlachopoulos J (2007) Rheological evaluation and observations of extrusion instabilities of biodegradable polyesters. Int Polym Process 22: 395-401.
24. Kato H, Ichitsubo T, Igarashi H, Inoue A (2009) Correlation of dynamic and quasistatic relaxations: the Cox-Merz rule for metallic glass. Appl Phys Lett 95: 231911.
25. Kazatchkov IB, Bohnet N, Goyal SK, Hatzikiriakos SG (1999) Influence of molecular structure on the rheological and processing behaviour of polyethylene resins. Polym Eng Sci 39: 804-815.
26. Kazatchkov IB, Hatzikiriakos SG, Stewart CW (1995) Extrudate distortion in the capillary/slit extrusion of a molten polypropylene. Pol Eng Sci 35: 1864-1871.
27. Kurata M (1984) Effect of molecular weight distribution on viscoelastic properties of polymers. 2. Terminal relaxation time and steady state compliance. Macromolecules 17: 895-898.
28. Liang R (2007) Processing flow behavior and modeling of polyethylene melts. J Cent South Univ Technol 14: 178-182.
29. Liu C, Wang J, He J (2002) Rheological and thermal properties of m-LLDPE blends with m-HDPE and LDPE. Polymer 43: 3811-3818.
30. Marrucci G (1996) Dynamics of entanglements: a nonlinear model consistent with the Cox-Merz rule. J Non-Newton Fluid Mech 62: 279-289.
31. Mavridis H, Shroff RN (1992) Temperature-dependence of polyolefin melt rheology. Polym Eng Sci 32: 1778-1791.
32. Mieras HJMA, Rijn CFH (1968) Elastic behaviour of some polymer melts. Nature 218: 865-866.
33. Mills NJ (1968) Elasticity of polydimethylsiloxane melts. Nature 219: 1249-1250.
34. Mills NJ (1969) The rheological properties and molecular weight distribution of polydimethylsiloxane. Eur Polym J 5: 675-695.
35. Mills NJ, Nevin A (1971) Oscillatory shear measurements on polystyrene melts in the terminal region. J Polym Sci Part A2 9: 267-281.
36. Milner ST (1996) Relating the shear-thinning curve to the molecular weight distribution in linear polymer melts. J Rheol 40: 303-315.
37. Muñoz-Escalona A, Lafuente P, Vega JF, Santamaría A (2000) Rheology of metaIlocene-catalyzed monomodal and bimodal polyethylenes. Polym Eng Sci 39: 2292-2303.
38. Nobile MR, Cocchini F (2000) Predictions of linear viscoelastic properties for polydisperse entangled polymers. Rheol Acta 39: 152-162.
39. Nobile MR, Cocchini F (2008) A generalized relation between MWD and relaxation time spectrum. Rheol Acta 47: 509-519.
40. Onogi S, Masuda T, Kitagawa K (1970) Rheological properties of anionic polystyrenes. I. Dynamic viscoelasticity of narrow-distribution polystyrenes. Macromolecules 3: 109-116.
41. Park HE, Lim ST, Smillo F, Dealy JM, Robertson CG (2008) Wall slip and spurt flow of polybutadiene. J Rheol 52: 1201-1239.
42. Pattamaprom C, Larson RG (2001) Predicting linear viscoelastic properties of monodisperse and polydisperse polystyrenes and polyethylenes. Rheol Acta 40: 516-532.
43. Peacock AJ (1990) Handbook of polyethylene: structures, properties and applications. Marcel Dekker, New York.
44. Prest WM (1970) Viscoelastic properties of blends of entangled polymers. J Polym Sci A2 Polym Phys 8: 1897.
45. Prest WM, Porter RS (1973) Rheological properties of poly(2, 6-dimethylphenylene oxide- polystyrene blends. J Polym Sci A2 Polym Phys 10: 1639.
46. Raju VR, Rachapudy H, Graessley WW (1979a) Melt rheology of linear and star-branched hydrogenated polybutadiene. J Polym Sci 17: 1223-1235.
47. Raju VR, Smith GG, Marin G, Knox JR, Graessley WW (1979b) Properties of amorphous and crystallizable hydrocarbon polymers. I. Melt rheology of fractions of linear polyethylene. J Polym Sci Polym Phys Ed 17: 1183-1195.
48. Resch JA, Stadler FJ, Kaschta J, Münstedt H (2009) Temperature dependence of the linear steady-state shear compliance of linear and long-chain branched polyethylenes. Macromolecules 42: 5676-5683.
49. Rosenbaum EE, Hatzikiriakos SG (1997) Wall slip in the capillary flow of molten polymers subject to viscous heating. AIChE J 43: 598-608.
50. Santamaría A, Fernandez M, Sanz E, Lafuente P, Muñoz-Escalona A (2003) Postponing sharkskin of metallocene polyethylenes at low temperatures: the effect of molecular parameters. Polymer 44: 2473-2480.
51. Stadler FJ, Münstedt H (2008) Numerical description of shear viscosity functions of long-chain branched metallocene-catalyzed polyethylenes. J Non-Newton Fluid Mech 151: 129-135.
52. Stadler FJ, Nishioka A, Stange J, Koyama K, Münstedt H (2007) Comparison of the elongational behavior of various polyolefins in uniaxial and equibiaxial flows. Rheol Acta 46: 1003-1012.
53. Stadler FJ, Piel C, Kaschta J, Rulhoff S, Kaminsky W, Münstedt H (2006) Dependence of the zero shear-rate viscosity and the viscosity function of linear high density polyethylenes on the mass-average molar mass and polydispersity. Rheol Acta 45: 755-764.
54. Tsenoglou C (1991) Molecular weight polydispersity effects on the viscoelasticity of entangled linear polymers. Macromolecules 24: 1762-1767.
55. Tuminello WH (1986) Molecular-weight and molecular-weight distribution from dynamic measurements of polymer melts. Polym Eng Sci 26: 1339-1347.
56. Utracki LA, Gendron R (1984) Pressure oscillation during extrusion of polyethylenes II. J Rheol 28: 601-623.
57. Utracki LA, Schlund B (1987) Linear low density polyethylenes and their blends. Part 2. Shear flow of LLDPE's. Polym Eng Sci 27: 367-379.
58. van Krevelen DW (1990) Properties of polymers, 3rd edn. Elsevier, New York.
59. Vega JF, Muñoz-Escalona A, Santamaría A, Muñoz ME, Lafuente P (1996) Comparison of the rheological properties of metallocene-catalyzed and conventional high-density polyethylenes. Macromolecules 29: 960-965.
60. Venkatraman S, Okano M, Nixon A (1990) A comparison of torsional and capillary rheometry for polymer melts: the Cox-Merz rule revisited. Polym Eng Sci 30: 308-313.
61. Vinogradov GV, Malkin AY (1980) Rheology of polymers. Mir, Moscow.
62. Wasserman SH, Graessley WW (1996) Predictions of linear viscoelastic response for entangled polyolefin melts from molecular weight distributions. Polym Eng Sci 36: 852-861.
63. Winter HH (2009) Three views of viscoelasticity for Cox-Merz materials. Rheol Acta 48: 241-243.
64. Wood-Adams PM, Dealy JM, deGroot AW, Redwine OD (2000) Effect of molecular structure on the linear viscoelastic behavior of polyethylene. Macromolecules 33: 7489-7499.
65. Zeichner GR, Patel PD (1981) A comprehensive evaluation of polypropylene melt rheology. In: Proc 2nd world congr of chem eng. Montreal.