Postponing sharkskin of metallocene polyethylenes at low temperatures: The effect of molecular parameters

Polymer

Volumn 44, Issue 8, 2003, Pages 2473-2480

  Santamaria A ^a   Fernandez M ^a   Sanz, E ^b   Lafuente, P ^b   Munoz Escalona A ^c  

^a UNIVERSITY OF THE BASQUE COUNTRY UPV EHU   (Spain)

^b REPSOL YPF   (Spain)

^c INSTITUTO DE ESTRUCTURA DE LA MATERIA   (Spain)

Author keywords

Metallocene polyethylene; Sharkskin instability; Short chain branching

Indexed keywords

CATALYSIS; COPOLYMERS; CRYSTALLIZATION; EXTRUSION; MOLECULAR WEIGHT; ORGANOMETALLICS;

SHORT-CHAIN BRANCHING DEGREE (SCB);

POLYETHYLENES;

METALLOCENE; POLYETHYLENE DERIVATIVE; UNCLASSIFIED DRUG;

EXTRUSION; MOLECULAR WEIGHT; POLYETHYLENE; POLYMER MELT; TEMPERATURE EFFECT;

ARTICLE; CRYSTALLIZATION; FLOW MEASUREMENT; LOW TEMPERATURE; MOLECULAR DYNAMICS; MOLECULAR WEIGHT;

CRYSTALLINITY; DEFECT; EXTRUSION; MOLECULAR WEIGHT; POLYETHYLENE; SURFACE PROPERTY; TEMPERATURE EFFECT;

EID: 0242585422     PISSN: 00323861     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0032-3861(03)00048-X     Document Type: Article

References (24)

1. Cogswell FN. J Non Newtonian Fluid Mech 1977;2:37-47.
2. Waddon AJ, Keller A. J Polym Sci: Part B, Polym Phys 1990;28: 1063-73.
3. Narh KA, Keller A. Polymer 1991;32:2512-6.
4. Waddon AJ, Keller A. J Polym Sci: Part B, Polym Phys 1992;30: 923-30.
5. Kolnaar JWH, Keller A. Polymer 1994;35:3863-74.
6. Kolnaar JWH, Keller A. Polymer 1995;36:821-36.
7. Van Bilsen HMM, Fisher H, Kolnaar JWH, Keller A. Macromolecules 1995;28:8523-7.
8. Kolnaar JWH, Keller A, Seifert S, Zschunke C, Zachmann HG. Polymer 1995;36:3969-74.
9. Kolnaar JW, Keller A. J Non-Newtonian Fluid Mech 1996;67: 213-40.
10. Pudjijanto S, Denn MM. J Rheol 1994;38:1735-44.
11. Wang SQ, Drda PA. Macromolecules 1996;29:4115-9.
12. Pérez González J, Vargas L, Pavlínek V, Hausnerová B, Sáha P. J Rheol 2000;44:441-51.
13. Southern JH, Porter RS. J Appl Polym Sci 1970;14:2305-17.
14. Cogswell FN. J Rheol 1994;39:809-10. Letter to the Editor.
15. Kim S, Dealy JM. Polym Engng Sci 2002;42:495-503.
16. Brochard F, de Gennes PG. Langmuir 1992;8:3033-7.
17. Ramamurthy AV. J Rheol 1986;30:337-57.
18. Martínez Salazar J, Sánchez M, Baltá FJ. Colloid Sci 1987;265: 239-45.
19. Hamielec AE, Soares JB. Prog Polym Sci 1996;21:651.
20. Vega JF, Fernández M, Santamaría A, Muñoz-Escalona A, Lafuente P. Macromol Chem Phys 1999;200:2257-68.
21. Nakajima N. Appl Rheol 1999;May/June:116-125.
22. Janzen J, Colby RH. J Mol Struct 1999;569:485-6.
23. Doi M, Edwards SF. The theory of polymer dynamics. Oxford: Clarendon Press; 1986.
24. Fernández M, Santamaría A, Muñoz-Escalona A, Méndez L. J Rheol 2001;45:595-602.