The strain-hardening behaviour of linear and long-chain-branched polyolefin melts in extensional flows

Rheologica Acta

Volumn 39, Issue 2, 2000, Pages 97-109

  Wagner, Manfred H ^a   Bastian, Heike ^b   Hachmann, Peter ^c   Meissner, Joachim ^c   Kurzbeck, Stefan ^d   Munstedt H ^d   Langouche, F ^e  

^a TECHNISCHE UNIVERSITÄT BERLIN   (Germany)

^b UNIVERSITY OF STUTTGART   (Germany)

^c ETH ZURICH   (Switzerland)

^d UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

^e SOLVAY S A   (Belgium)

Author keywords

Doi Edwards model; Equibiaxial and planar deformation; Linear and long chain branched polymer melts; Molecular stress function theory; Strain hardening in extensional flows; Uniaxial

Indexed keywords

DEFORMATION; POLYMER SOLUTION; POLYOLEFIN; STRAIN HARDENING;

EID: 0034055203     PISSN: 00354511     EISSN: None     Source Type: Journal    
DOI: 10.1007/s003970050010     Document Type: Article

References (29)

1. Currie PK (1982) Relationship between extensional and shear properties of polymer melts as predicted by the Doi-Edwards model. Polymer Preprints 23:6-7
2. Demarmels A, Meissner J (1986) Multiaxial elongations of polyisobutylene and the predictions of several network theories. Colloid Polym Sci 264:829-846
3. Doi M, Edwards SF (1978) Dynamics of concentrated polymer systems. Part II. Faraday Trans II 74:1818-1832
4. Doi M, Edwards SF (1979) Dynamics of concentrated polymer systems. Part III. Faraday Trans II 75:38-54
5. Flory PJ (1976) Statistical thermodynamics of random networks. Proc R Soc London A 351:351-380
6. Hachmann P (1996) Multiaxiale Dehnung von Polymerschmelzen. Dissertation ETH Zürich Nr. 11890
7. Khan SA, Larson RG (1991) Step planar extension of polymer melts using a lubricated channel. Rheol Acta 30:1-6
8. Kraft M (1996) Untersuchungen zur scherinduzierten rheologischen Anisotropie von verschiedenen Polyethylen-Sehmelzen. Dissertation ETH Zürich Nr. 11417
9. Kurzbeck S (1999) Dehnrheologische Eigenschaften von Polyolefinschmelzen und Korrelationen mit ihrem Verarbeitungsverhalten beim Folienblasen und Thermoformen. Dissertation Universität Erlangen-Nürnberg
10. Kurzbeck S, Oster F, Münstedt H, Nguyen TQ, Gensler R (1999) Rheological Properties of two polypropylenes with different molecular structure. J Rheol 43:359-374
11. Langouche F, Debbaut B (1999) Rheological characterisation of a high density polyethylene with a multi-mode differential viscoelastic model and numerical simulation of transient elongational recovery experiments. Rheol Acta 38:48-64
12. Larson RG (1988) Constitutive equations for polymer melts and solutions. Butterworths, London
13. Laun HM, Schuch H (1989) Transient elongational viscosities and drawability of polymer melts. J Rheol 33:119-175
14. Linster JJ, Meissner J (1986) Melt elongation and structure of linear polyethylene (HDPE). Polymer Bulletin 16:187-194
15. Marrucci G, Hermans JJ (1980) Non-linear viscoelasticity of concentrated polymeric liquids. Macromolecules 13:380-387
16. Marrucci G, Grizzuti N (1983) The free energy function of the Doi-Edwards theory: Analysis of the instabilities in stress relaxation. J Rheol 27:433-450
17. McLeish TCB, Larson RG (1998) Molecular constitutive equations for a class of branched polymers: The pom-pom polymer. J Rheol 42:81-110
18. Meissner J, Hostettler J (1994) A new elongational rheometer for polymer melts and other highly viscoelastic liquids. Rheol Acta 33:1-21
19. Münstedt H, Kurzbeck S, Egersdörfer L (1998) Influence of molecular structure on rheological properties of polyethylenes. Part II. Elongational behaviour. Rheol Acta 37:21-29
20. Wagner MH (1976) Analysis of time-dependent non-linear stress-growth data for shear and elongational flow of a low-density branched polyethylene melt. Rheol Acta 17:136-142
21. Wagner MH (1978) A constitutive analysis of uniaxial elongational flow data of low-density polyethylene melt. J Non-Newtonian Fluid Mech 4:39-55
22. Wagner MH, Laun HM (1978) Non-linear shear creep and constrained elastic recovery of a LDPE melt. Rheol Acta 17:138-148
23. Wagner MH (1990) The non-linear strain measure of polyisobutylene melt in general biaxial flow and its comparison to the Doi-Edwards model. Rheol Acta 29:594-603
24. Wagner MH, Demarmels A (1990) A constitutive analysis of extensional flows of polyisobutylene. J Rheol 34:943-958
25. Wagner MH, Schaeffer J (1992) Nonlinear strain measures for general biaxial extension of polymer melts. J Rheol 36:1-26
26. Wagner MH, Schaeffer J (1993) Rubbers and polymer melts: Universal aspects of nonlinear stress-strain relations. J Rheol 37:643-661
27. 2 term in rubber elasticity. J Rheol 38:655-679
28. Wagner MH, Ehrecke P, Hachmann P, Meissner J (1998a) A constitutive analysis of uniaxial. equibiaxial and planar extension of a commercial linear high-density polyethylene melt. J Rheol 42:621-638
29. Wagner MH, Bastian H, Ehrecke P, Kraft M, Hachmann P, Meissner J (1998b) Non-linear viscoelastic characterization of a linear polyethylene (HDPE) melt in rotational and irrotational flows. J Non-Newtonian Fluid Mech 79:283-296