A novel processing aid for polymer extrusion: Rheology and processing of polyethylene and hyperbranched polymer blends

Journal of Rheology

Volumn 43, Issue 3, 1999, Pages 781-793

  Hong, Ye ^a   Cooper White, J J ^a   Mackay, M E ^a,e   Hawker, C J ^b   Malmstrom E ^c   Rehnberg, N ^d  

^a UNIVERSITY OF QUEENSLAND   (Australia)

^b IBM ALMADEN RESEARCH CENTER   (United States)

^c ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

^d Perstorp AB ^*  (Sweden)

^e Stevens Institute of Technology   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000606433     PISSN: 01486055     EISSN: None     Source Type: Journal    
DOI: 10.1122/1.550999     Document Type: Article

References (32)

1. Blong, T. J. and D. Duchesne, "Antiblock/processing-aid interferences," Plastics Compounding Jan/Feb, 50-57 (1990).
2. Blong, T. J. and D. Duchesne, "Effects of anti-block/processing aid combinations on LLDPE blown film extrusion," 47th Annual Technical Conference Society of Plastics Engineers, New York, Society of Plastics Engineerings, Brookfield Center, CT (1989), pp. 1336-1338.
3. Callaghan, M., "Lubricants & Processing Aids: News for a Range of Thermoplastics," Plastics Technology July, 61-63 (1987).
4. de Smedt, C. D. and S. Nam, "The processing benefits of fluoroelastomer application in LLDPE," Plastics and Rubber Processing and Applications 8, 11-16 (1987).
5. Duchesne, D., J. E. Blacklock, B. V. Johnson, and T. J. Blong, "Improved processability of linear low density polyethylenes through the use of fluorocarbon elastomer/polyethylene glycol blends," Society of Plastics Engineers (US) Technical Conference (47th ANTEC 89) Plastics Create a World of Difference, New York (1989), pp. 1343-1347.
6. Dvornic, P. R. and D. A. Tomalia, "Recent advances in dendritic polymers," Curr. Opin. Colloid Interface Sci. 1, 221-235 (1996).
7. Farrington, P. J., "Structure, dynamics and viscoelasticity," Ph.D. Thesis, The University of Queensland, Queensland, Australia (1995).
8. Fraser, W. A. and W. B. Herdle, "Processing aid for extrusion grade polyolefins (Session C: Polyolefin additives)," RETEC Polyolefins V: Fifth International Conference on Polyolefins, Houston, TX (1987), pp. 301-317.
9. Fréchet, J. M. J., C. J. Hawker, I. Gitsov, and J. W. Leon, "Dendrimers and hyperbranched polymers: Two families of three-dimensional macromolecules with similar but clearly distinct properties," J. Macromol. Sci., Pure Appl. Chem. 33, 1399-1425 (1996).
10. Fréchet, J. M. J., "Functional Polymers and Dendrimers: Reactivity, Molecular Architecture, and Interfacial Energy," Science 263, 1710-1715 (1994).
11. Hatzikiriakos, S. G. and J. M. Dealy, "Effects of Interfacial Conditions on Wall Slip and Sharkskin Melt Fracture of HDPE," Intern. Polymer Processing VIII, 36-42 (1993).
12. Hatzikiriakos, S. G., C. W. Stewart and J. M. Dealy, "Effect of Surface Coatings on Wall Slip of LLDPE," Intern. Polymer Processing VIII, 30-35 (1993).
13. Herdle, W. B. and W.A. Fraser, "Improvements in blown film extrusion of polyolefins containing a novel processing aid,"ANTEC 87, New York, N.Y. (1987), pp. 1268-1270.
14. Hobson, L. J. and R.M. Harrison, "Dendritic and hyperbranched polymers: Advances in synthesis and applications," Curr. Opin. Solid State Mater. Sci. 2, 683-692 (1997).
15. Hult, A., E. Malmström, M. Johansson, and K. Sörensen, Swedish Patent, SE468771 (1993), Dendritic macro-molecules (process for preparation and use thereof).
16. Johnson, B. and J. Kunde, "The influence of polyolefin additives on the performance of fluorocarbon elastomer process aids," ANTEC 88, Atlanta, Ga (1988), pp. 1425-1429.
17. Johnson, B. V., T. J. Blong, and H. P. Schreiber, "Influence of fillers and flow additives on flow discontinuities in linear low density polyethylene processing," Fourth International Polymer Processing Society Meeting, Orlando, F1, Polymer Processing Society, 4/17-18 (1988).
18. Kim, Y. H. and O. W. Webster, "Hyperbranched Polyphenylenes," Macromolecules 25, 5561-5572 (1992).
19. Klein, D. F., "The effects of a fluorocarbon elastomer processing aid on the blown film extrusion of linear low density polyethylene (Polyolefins V Session C: Polyolefin additives)," RETEC Polyolefins V: Fifth International Conference on Polyolefins, Houston, TX, Society of Plastics Engineers, Brookfield Center, CT (1987), pp. 285-300.
20. La-Mantia, F. P., C. Geraci, M. Vinci, U. Pedretti, A. Roggero, L. I. Minkova, and P. L. Magagnini, "Morphology and properties of blends of polyethylene with a semiflexible liquid crystalline polymer," J. Appl. Polym. Sci. 58, 911-921 (1995).
21. Malmström, E., M. Johansson, and A. Huit, "The effect of terminal alkyl chains on hyperbranched polyesters based on 2,2-bis(hydroxymethyl)propionic acid," Macromol. Chem. Phys. 197, 3199-3207 (1996).
22. Petrie, C. J. S. and M. M. Denn, "Instabilities in Polymer Processing," AIChE. J. 22, 209-236 (1976).
23. Ramamurthy, A. V., "Wall slip in viscous fluids and influence of materials of construction," J. Rheol. 30, 337-357 (1986).
24. Rudin, A., A. T. Worm, and J. E. Blacklock, "Fluorocarbon elastomer processing aid for LLDPE, HDPE and PP resins," Processing and Property Enhancement Utilizing Modifers and Additives in Polymer, First International Conference, Newark, New Jersey, Society of Plastics Engineers, Brookfield Center, CT (1985a), pp. 71-81.
25. Rudin, A., A. T. Worm, and J. E. Blacklock, "Fluorocarbon elastomer processing aid in film extrusion on linear low density polyethylenes," J. Plast. Film Sheeting 1, 189-204 (1985b).
26. Rudin, A., S. Nam, A. T. Worm, and J. E. Blacklock, "Improvements in polyolefin processing with a fluorocarbon elastomer processing aid," ANTEC 86, Boston, MA (1986), pp. 1154-1157.
27. Sawyer, L. C. and D. T. Grubb, Polymer Microscopy (Chapman & Hall, London, 1996).
28. Schumacher, P. A., "A novel processing aid for greater flexibility in blown film extrusion," J. Plast. Film Sheeting 3, 118-124 (1987).
29. Schumacher, P.A., "Novel processing aid for greater flexibility in blown film extrusion," SPI/SPE 86 Plastics South Conference Proceedings, Atlanta, GA (1986), pp. 78-82.
30. Stewart, C. W., R. S. McMinn, and K. M. Stika, "A model for predicting slip velocity during extrusion with fluoropolymer processing additives," J. Reinforced Plastics and Composites 12, 633-641 (1993).
31. Tomalia, D. A., A. M. Naylor, and W. A. Goddard, "Starburst Dendrimers: Molecular-Level Control of Size, Shape, Surface Chemistry, Topology, and Flexibility for Atoms to Macroscopic Matter," Angew. Chem. Int. Ed. Engl. 29, 138-175 (1990).
32. Tomalia, D. A., "Dendrimer Molecules," Scientific American May, 62-66 (1995).