Thermorheological properties of LLDPE/LDPE blends

Rheologica Acta

Volumn 47, Issue 1, 2008, Pages 19-31

  Delgadillo Velazquez O ^a   Hatzikiriakos, S G ^a   Sentmanat, M ^b  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b Xpansion Instruments   (United States)

Author keywords

Activation energy; Block copolymer; Mastercurve; PE Blend; Phase separation; Polymer blend

Indexed keywords

BLOCK COPOLYMERS; CRYSTALLIZATION; ELONGATION; LINEAR LOW DENSITY POLYETHYLENES; LOW DENSITY POLYETHYLENES; MOLECULAR WEIGHT; PHASE SEPARATION; POLYMER BLENDS; RHEOLOGY; SOLUBILITY; VISCOELASTICITY;

EID: 38049095638     PISSN: 00354511     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00397-007-0193-8     Document Type: Article

References (51)

1. Arnal ML, Sánchez JJ, Müller AJ (2001) Miscibility of linear and branched polyethylene by thermal fractionation: Use of the successive self-nucleation and annealing (SSA) technique. Polymer 42:6877-6890
2. Baumgaertel M, Winter HH (1989) Determination of discrete relaxation and retardation time spectra from dynamic mechanical data. Rheol Acta 28:511-519
3. Baumgaertel M, Schausberger A, Winter HH (1990) The relaxation of polymers with linear flexible chains of uniform length. Rheol Acta 29:400-408
4. Baumgaertel M, De Rosa ME, Machado J, Masse M, Winter HH (1992) The relaxation time spectrum of nearly monodisperse polybutadiene melts. Rheol Acta 31:75-82
5. Cho K, Lee BH, Hwang K, Lee H, Choe S (1998) rheological and mechanical properties in polyethylene blends. Polym Eng Sci 38:1969-1975
6. Clampitt BH (1963) differential thermal analysis of linear polyethylene-high pressure polyethylene blends. Anal Chem 33:577-579
7. Dealy JM, Wissbrun KF (1990) Melt rheology and its role in plastics processing. Theory and Applications. Van Nostrand Reinhold, New York
8. Fang Y, Carreau PJ, Lafleur PG (2005) Thermal and rheological properties of mLLDPE/LDPE blends. Polym Eng Sci 45:1254-1269
9. Ferry JD (1980) Viscoelastic properties of polymers. Wiley, New York
10. Gabriel C, Lilge D (2006) Molecular mass dependence of the zero shear-rate viscosity of LDPE melts: Evidence of an exponential behavior. Rheol Acta 45:995-1002
11. Gabriel C, Münstedt H (2003) Strain hardening of various polyolefins in uniaxial elongational flow. J Rheol 47:619-630
12. Gramespacher H, Meissner J (1992) Interfacial tension between polymer melts measured by shear oscillations of their blends. J Rheol 36:1127-1141
13. Hatzikiriakos SG (2000) Long chain branching and polydispersity effects on the rheological properties of polyethylenes. Polym Eng Sci 40:2279-2287
14. Ho K, Kale L, Montgomery S (2002) Melt strength of linear-low density polyethylene/low density polyethylene blends. J Appl Polym Sci 85:1408-1418
15. Hussein IA, Hameed T (2005) Influence of branching characteristics on thermal and mechanical of Ziegler-Natta and metallocene hexene linear low density polyethylene blends with low density polyethylene. J Appl Polym Sci 97:2488-2498
16. Hussein IA, Williams MC (2004a) Rheological study of heterogeneities in melt blends of ZN-LLDPE and LDPE: Influence of M w and comonomer type, and implications for miscibility. Rheol Acta 43:604-614
17. Hussein IA, Williams MC (2004b) Rheological study of the influence of branch content on the miscibility of octene m-LLDPE and ZN-LLDPE in LDPE. Polym Eng Sci 44:660-672
18. Hussein IA, Hameed T, Sharkh BFA, Khaled M (2003) Miscibility of hexene-LLDPE and LDPE blends: Influence of branch content and composition distribution. Polymer 44:4665-4672
19. Karbashewski E, Kale L, Rudin A, Tchir WJ, Cook DG, Pronovost JO (1992) Characterization of linear low density polyethylene by temperature rising elution fractionation and by differential scanning calorimetry. J Appl Polym Sci 44:425-434
20. Kim LH, Rana D, Kwag H, Choe S (2000) Melt rheology of ethylene 1-octene copolymer blends synthesized by Ziegler-Natta and metallocene catalysts. Korea Polym J 8:34-43
21. Kissin YV (2005) Polyethylene, linear-low density. Kirk-Othmer encyclopedia of chemical technology. Wiley, New York
22. Kwag H, Rana D, Cho K, Rhee J, Woo T, Lee BH, Choe S (2000) Binary blends with conventional polyolefins: Rheological and morphological properties. Polym Eng Sci 40:1672-1681
23. Lacroix C, Aressy M, Carreau PJ (1997) Linear viscoelastic behavior of molten polymer blends: A comparative study of the Palierne and Lee and Park models. Rheol Acta 36:416-428
24. Lee HS, Denn MM (2000) Blends of linear and branched polyethylenes. Polym Eng Sci 40:1132-1142
25. Liu C, Wang J, He J (2002) Rheological and thermal properties of m-LLDPE blends with m-HDPE and LDPE. Polymer 43:3811-3818
26. Malmberg A, Liimatta J, Lehtinen A, Löfgren B (1999) Characteristics of long chain branching in ethane polymerization with single site catalysts. Macromolecules 32:6687-6696
27. Mark HF, Bikales NM, Overberger CG, Menges G (1986) Encyclopedia of polymer science and engineering, 2nd edn, vol. 6. Wiley, New York, p 477
28. Mavridis H, Shroff RN (1992) Temperature dependence of polyolefin melt rheology. Polym Eng Sci 32:1778-1787
29. Mirabella FM, Ford EA (1987) Characterization of linear low-density polyethylene: Cross-fractionation according to copolymer composition and molecular weight. J Polym Sci Polym Phys Ed 25:777-790
30. Mirabella FM, Westphal SP, Fernado PL, Ford EA, Williams JG (1988) Morphological explanation of the extraordinary fracture toughness of linear low density polyethylene. J Polym Sci Polym Phys Ed 26:1995-2005
31. Peón J, Domínguez C, Vega JF (2003) Viscoelasticity behavior of metallocene-catalyzed polyethylene and low-density polyethylene blends: Use of the double reptation and Palierne viscoelastic models. J Mater Sci 38:4757-4764
32. Pérez R, Rojo E, Fernández M, Leal V, Lafuente P, Santamaría A (2005) Basic and applied rheology of m-LLDPE/LDPE blends: Miscibility and processing features. Polymer 46:8045-8053
33. Puig CC (2001) Enhanced crystallization in branched polyethylenes when blended with linear polyethylene. Polymer 42:6579-6585
34. Schouterden P, Groeninckx G, Van der Heijden B, Jansen F (1987) Fractionation and thermal behavior of linear low density polyethylene. Polymer 28:2099-2104
35. Sentmanat ML (2003) Dual windup extensional rheometer. US Patent 6,578,413
36. Sentmanat M (2004) Miniature universal testing platform: From extensional melt rheology to solid state deformation behavior. Rheol Acta 43:657-699
37. Stange J, Uhl C, Munstedt H (2005) Rheological behavior of blends from a linear and a long-chain branched polypropylene. J Rheol 49:1059-1079
38. Tsenoglou C (1988) Network architecture and modulus of miscible heteropolymer blends. J Polym Sci Polym Phys 26:2329-2339
39. Tsenoglou C (1991) Molecular weight polydispersity effects on the viscoelasticity of entangled linear polymers. Macromolecules 24:1762-1767
40. Utracki LA (1989) Polymer alloys and blends. thermodynamics and rheology. Hanser, Munich
41. Van Gurp M, Palmen J (1998) Time-temperature superposition for polymer blends. Rheol Bull 67:5-8
42. Wagner MH, Kheirandish S, Yamaguchi M (2004) Quantitative analysis of melt elongational behavior of LLDPE/LDPE blends. Rheol Acta 44:198-218
43. Wignall GD, Alamo RG, Londono JD, Mandelkern L, Stehling FC (1996) Small-angle neutron scattering investigations of liquid-liquid phase separation in heterogeneous linear low-density polyethylene. Macromolecules 29:5332-5335
44. Wignall GD, Alamo RG, Londono JD, Mandelkern L, Kim MH, Lin JS, Brown GM (2000) Morphology of blends of linear and short-chain branched polyethylenes in the solid state by small-angle neutron and X-ray scattering, differential scanning calorimetry, and transmission electron microscopy. Macromolecules 33:551-561
45. Wignall GD, Alamo RG, Ritchson EJ, Mandelkern L, Schwahn D (2001) SANS studies of liquid-liquid phase separation in heterogeneous and metallocene-based linear-low density polyethylene. Macromolecules 34:8160-8165
46. Wood-Adams P, Costeaux S (2001) Thermorheological behavior of polyethylene: Effects of microstructure and long chain branching. Macromolecules 34:6281-6290
47. Xu J, Xu X, Chen L, Feng L, Chen W (2001) Effect of composition distribution on miscibility and co-crystallization phenomena in the blends of low density polyethylene with conventional and metallocene-based ethylene-butene copolymers. Polymer 42:3867-3874
48. Yamaguchi M, Abe S (1999) LLDPE/LDPE blends I. Rheological, thermal and mechanical properties. J Appl Polym Sci 74:3153-3159
49. Zhang MD, Lynch T, Wanke SE (2001) Effect of molecular structure distribution of melting and crystallization behavior of 1-butene/ ethylene copolymers. Polymer 42:3067-3075
50. Zhang F, Liu J, Xie F, Fu Q, He T (2002) Polydispersity of ethylene sequence length in metallocene ethylene/α-olefin copolymers. II. Influence on crystallization and melting behavior. Polym Sci Polym Physics Ed 40:822-830
51. Zhao L, Choi P (2006) A review of the miscibility of polyethylene blends. Mater Manuf Process 21:135-142