Coalescence of immiscible polymer blends in chaotic mixers

AIChE Journal

Volumn 51, Issue 10, 2005, Pages 2675-2685

  Perilla, Jairo E ^a   Jana, Sadhan C ^a  

^a University of Akron   (United States)

Author keywords

Chaotic mixing; Coalescence; Collision; Flow reorientation; Immiscible polymers

Indexed keywords

CHAOTIC MIXING; COLLISION; FLOW REORIENTATION; IMMISCIBLE POLYMERS;

CHAOS THEORY; COALESCENCE; DROP FORMATION; MIXING; SOLUBILITY; VISCOSITY; VOLUME FRACTION;

POLYMER BLENDS;

COALESCENCE; DROPLET; IMMISCIBLE FLUIDS; MIXING; POLYMER BLEND; SIZE DISTRIBUTION;

EID: 27844553429     PISSN: 00011541     EISSN: None     Source Type: Journal    
DOI: 10.1002/aic.10500     Document Type: Article

References (50)

1. Utracki LA. Polymer alloys and blends: thermodynamics and rheology. New York; Oxford University Press; 1990.
2. Lyngaae-Jørgensen J. Experimental methods for in situ studies of morphology development during flow: The case of instability of thin films studied by light scattering. J Macromol Sci Phys. 1996;B35:357-373.
3. Lindt JT, Gjosh AK. Fluid mechanics of formation of polymer blends. Part I. Formation of lamellar structure. Polym Eng Sci. 1992;32:1802-1813.
4. Scott CE, Macosko CW. Model experiments concerning morphology development during the initial stages of polymer blending. Polymer. 1995;36:461-470.
5. Sundararaj U, Macosko CW, Rolando RJ, Chan HT. Morphology development in polymer blends. Polym Eng Sci. 1992;32:1814-1823.
6. Sundararaj U, Dori Y, Macosko CW. Sheet formation in immiscible polymer blends: model experiments on initial blend morphology. Polymer 1995;36:1957-1968.
7. Grace HP. Dispersion phenomena in high viscosity immiscible fluid systems and application of static mixers as dispersion devices in such systems. Chem Eng Comm. 1982;14:225-27
8. DeRoussel P, Khakhar DV, Ottino JM. Mixing of viscous immiscible liquids. Part 2. Overemulsification-interpretation and use. Chem Eng Sci. 2001;56:5531-5537.
9. Ramic AJ, Hudson SD, Jamieson AM, Manas-Zloczower I. Temporary droplet-size hysteresis in immiscible polymer blends. Polymer. 2000; 41:6263-6270.
10. Minale M, Mewis J, Moldenaers P. Study of the morphological hysteresis in immiscible polymer blends. AIChE J. 1998;44:943-950.
11. Jana SC, Sau M. Effects of viscosity ratio and composition on development of morphology in chaotic mixing of polymers. Polymer. 2004; 45:1665-1678.
12. Sau M, Jana SC. A study on the effects of chaotic mixer design and operating conditions on morphology development in immiscible polymer systems. Polym Eng Sci. 2004;44:407-422;
13. Errata: Polym Eng Sci. 2004;44,1403.
14. Sau M, Jana SC. Effect of waveforms on morphology development in chaotic mixing of immiscible polymers. AIChE J. 2004;50:2346-2358.
15. Zumbrunnen DA, Inamdar S. Novel sub-micron highly multy-layered polymer films formed by continuous flow chaotic mixing. Chem Eng Sci. 2001;56:3893-3897.
16. Zumbrunnen DA, Chhibber C. Morphology development in polymer blends produced by chaotic mixing at various compositions. Polymer. 2002;43:3267-3277.
17. Kwon O, Zumbrunnen DA. Progressive morphology development to produce multilayer films and interpenetrating blends by chaotic mixing. J Appl Polym Sci. 2001;82:1569-1579.
18. Jana SC, Ottino JM. Chaos-enhanced transport in cellular flows. Phil Trans R Soc Lond A. 1992; 338:519-532.
19. Nishimura T. Heat and mass transfer enhancement by chaotic mixing in laminar flow. Trends Chem Eng. 1994;1:199-214
20. Ganesan V, Bryden MD, Brenner H. Chaotic heat transfer enhancement in rotating eccentric annular-flow systems. Phys Fluids. 1997;9: 1296-1306
21. Metcalfe G, Ottino JM. Autocatalytic processes in mixing flows. Phys Rev. Lett. 1994;72:2875-2878.
22. Szalai ES, Kukura J, Arratia PE, Muzzio FJ. Effect of hydrodynamics on reactive mixing in laminar flows. AIChE J. 2003; 49:168-179
23. Chang HC, Sen M. Application of chaotic advection to heat transfer. Chaos Solitons & Fractals. 1994;4:955-975.
24. Kim S, Kwon T. Enhancement of mixing performance of single-screw extrusion processes via chaotic flows. Part I. Basic concepts and experimental study. Adv Polym. Technol. 1996;15:41-54
25. Jana SC, Scott E, Sundararaj U. Single extruder screw for efficient blending of miscible and immiscible polymeric materials, US Patent No. 6132076; 1998.
26. Chesters AK. The modeling of coalesce processes in fluid-liquid dispersions: A review of current understanding. Trans I Chem E. 1991;69A:259-270.
27. Janssen JMH, Meijer HEH. Dynamics of liquid-liquid mixing: A 2-zone model. Polym Eng Sci. 1995;35:1766-1780.
28. Fortelný I. Coalescence in polymer blends: Solved and open problems. Macromol Symp. 2000;158:137-147.
29. Fortelný I, éivný A. Film drainage between droplets during their coalescence in quiescent polymer blends. Polymer. 1998;39:2669-2675.
30. Yu W, Zhou C, Inoue T. A coalescence mechanism for the coarsening behavior of polymer blends during a quiescent annealing process. I. Monodispersed particle system. J Polym Sci B Polym Phys. 2000; 38:2378-2389.
31. Perilla JE, Jana SC. A time-scale approach for analysis of coalescence in processing flows. Polym Eng Sci. 2004;44:2254-2265.
32. Souza, A.M.C., Demarquette, N.R., Influence of coalescence and interfacial tension on the morphology of PP/HDPE compatibilized blends. Polymer. 2002;43:3959-3967.
33. DeRoussel P, Khakhar DV, Ottino JM. Mixing of viscous immiscible liquids. Part 1. Computational models for strong-weak and continuous flow systems. Chem Eng Sci. 2001;56:5511-5529.
34. Sundararaj U, Macosko CW. Drop breakup and coalescence in polymer blends: the effects of concentration and cornpatibilization. Macromolecules. 1995; 28:2647-2657.
35. Ottino JM, DeRoussel P, Hansen S, Khakhar DV. Mixing and dispersion of viscous liquids and powdered solids. Adv Chem Eng. 2000;25: 105-204.
36. Muzzio FJ, Ottino JM. Coagulation in chaotic flows. Phys Rev A. 1988;38:2516-2524
37. Aref H. Stirring by chaotic advection. J. Fluid Mech. 1984; 143:1-21.
38. Smoluchowski M. Mathematical theory of the kinetics of the coagulation of colloidal solutions. Z Phys Chem. 1917;92:129-168
39. Swanson PD, Ottino JM A comparative computational and experimental study of chaotic mixing of viscous fluids. J Fluid Mech. 1990;213: 227-249.
40. Leong CW, Ottino JM Experiments on mixing due to chaotic advection in a cavity. J Fluid Mech. 1989;209:463-499.
41. Jana, SC, Metcalfe, G, Ottino, JM Experimental and computational studies of mixing in complex Stokes flows: the vortex mixing flow and multicellular cavity flows. J Fluid Mech. 1994;269:199-246.
42. Rother MA, Davis RH. The effect of slight deformation on droplet coalescence in linear flows. Phys Fluids. 2001;13:1178-1190.
43. Bazhlekov IB, Chesters AK, van de Vosse FN. The effect of the dispersed to continuous-phase viscosity ratio on film drainage between interacting drops. Int J Multiphase Flow. 2000;26:445-466.
44. Allan RS, Mason SG. Particle motion in sheared suspensions XIV. Coalescence of liquid drops in electric and shear fields. J Colloid Interface Sci. 1962;17:383-408.
45. Hamaker HC. The London-van der Waals attraction between spherical particles. Physica. 1937;4:1058-1072.
46. Wiggins S. Global bifurcation and chaos: Analytical methods. New York: Springer; 1988.
47. Demarquette NR, Catelli de Souza AM, Palmer G, Macaubas PHP. Comparison between five experimental methods to evaluate interfacial tension between molten polymers. Polym Eng Sci. 2003;43:670-683.
48. Börshig C, Fries B, Gronski W, Weis C, Friedrich Ch. Shear-induced coalescence in polymer blends - simulations and rheo small angle light scattering. Polymer. 2000;41:3029-3035.
49. Lyu S, Bates FS, Macosko CW. Coalescence in polymer blends during shearing. AIChE J. 2000;46:229-238.
50. Vinckier I; Moldenaers P, Terracciano A, Grizzuti N. Droplet size evolution during coalescence in semi-concentrated model blends. AIChE J. 1998;44:951-958.