Molecular mass dependence of the zero shear-rate viscosity of LDPE melts: Evidence of an exponential behaviour

Rheologica Acta

Volumn 45, Issue 6, 2006, Pages 995-1002

  Gabriel, C ^a   Lilge, Dieter ^a  

^a Basell Polyolefine GmbH   (Germany)

Author keywords

Long chain branching; Low density polyethylene; Radius of gyration; Weight average molecular mass; Zero shear rate viscosity

Indexed keywords

CREEP; LIGHT SCATTERING; LOW DENSITY POLYETHYLENES; RHEOMETERS; SIZE EXCLUSION CHROMATOGRAPHY; STRESSES; VISCOSITY;

EID: 33747452727     PISSN: 00354511     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00397-005-0047-1     Document Type: Article

References (25)

1. Arnett RL, Thomas CPJ (1980) J Phys Chem 84:649
2. Fetters LJ, Kiss AD, Person DS, Quack GF, Vitus FJ (1993) Rheological behavior of star-shaped polymers. Macromolecules 26:647-654
3. Gabriel C (2001) Einfluss der molekularen Struktur auf das viskoelastische Verhalten von Polyethylenschmelzen. Shaker, Aachen, ISBN 3-8265-8909-2
4. Gabriel C, Münstedt H (1999) Creep recovery behavior of metallocene linear low-density polyethylenes. Rheol Acta 38:393-403
5. Gabriel C, Münstedt H (2002) Influence of long-chain branches in polyethylenes on linear viscoelastic flow properties in shear. Rheol Acta 41:232-244
6. Graessley WW, Roovers J (1979) Melt rheology of four-arm and six-arm polystyrene. Macromolecules 12:959-965
7. Inkson N, McLeish TCB (2004) Theoretical comb polymer zero-shear viscosity as a function of topological variables. XIV International congress on rheology, Seoul, Korea
8. Kazatchkov IB, Bohnet N, Goyal SK, Hatzikiriakos SG (1999) Influence of molecular structure on the rheological and processing behavior of polyethylene resins. Polym Eng Sci 39(4):804-815
9. Kraus G, Gruver JT (1965) Rheological properties of multichain polybutadienes. J Polym Sci A 3:105-122
10. Larson RG (2001) Combinatorial rheology of branched polymer melts. Macromolecules 34:4556-4571
11. Laun HM, Münstedt H (1983) Rheologische Eigenschaften und molekularer Aufbau von Kunststoffschmelzen. Verh DPG VI 18:53
12. Laun HM (1987) Orientation of macromolecules and elastic deformation in polymer melts. Prog Colloid & Polym Sci 75:111-139
13. Lohse DJ, Milner ST, Fetters LJ, Xenidon M, Hadjichristidis N, Mendelson RA, Garcia-Franco CA, Lyon MK (2002) Well-defined model long chain branched polyethylene. 2. Melt rheological behavior. Macromolecules 35:3066-3075
14. Masuda T, Kitagawa K, Imone T, Omogi S (1970) Rheological properties of an ionic polystyrenes. II. Dynamic viscoelasticity of blends of narrow-distribution polysterenes. Macromolecules 3(2):116-125
15. McLeish TCB, Milner ST (1999) Entangled dynamics and melt flow of branched polymers. Adv Polym Sci 143:195-256
16. Münstedt H (1986) Polymerschmelzen. In: Kulicke WM, Fließverhalten von Stoffen und Stoffgemischen. Hüthig und Wüpf
17. Münstedt H, Auhl D (2005) Rheological measuring techniques and their relevance for the molecular characterization of polymers. J Non-Newton Fluid Mech 128:62-69
18. Pechhold W, v. Soden W, Stoll B, (1981) Shear compliance of polymer melts and its dependence on molecular weight. Makromol Chem 182:573-581
19. Raju VR, Rachapudy H, Graessley WW (1979) Melt rheology of linear and star-branched hydrogenated polybutadiene. J Polym Sci 17:1223-1235
20. Raju VR, Smith GG, Marin G, Knox JR, Graessley WW (1979) Properties of amorphous and crystallizable hydrocarbon polymers. I. Melt rheology of fractions of linear polyethylene. J Polym Sci Polym Phys Ed 17:1183-1195
21. Robertson CG, Roland CM, Paulo C, Puskas JE (2001) Linear viscoelastic properties of hyperbranched polyisobutylene. J Rheol 45(3):759-772
22. Roovers J (1984) Melt rheology of H-shaped polystyrenes. Macromolecules 17:1196-1200
23. Schwarzl FR (1990) Polymermechanik: Struktur und mechanisches Verhalten von Polymeren. Springer, Berlin Heidelberg New York
24. Schwetz M, Münstedt H, Heindl M, Merten A (2002) Investigations on the temperature dependence of the die entrance flow of various long-chain branched polyethylenes using laser-doppler velocimetry. J Rheol 46(4):797-815
25. Wasserman SH, Graessley WW (1996) Prediction of linear viscoelastic response for entangled polyolefin melts from molecular weight distribution. Polym Eng Sci 36(6):852-861