Precipitation of nanoparticles in submicron emulsions induced by droplet coalescence

Chemical Engineering and Processing: Process Intensification

Volumn 50, Issue 2, 2011, Pages 220-225

  Gedrat, Marion ^a   Mages Sauter, Caroline ^b   Schuchmann, Heike Petra ^a  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^b BASF SE   (Germany)

Author keywords

Droplet coalescence; High pressure homogenisation; Miniemulsion; Nanoparticles; Precipitation

Indexed keywords

CONTINUOUS PHASE; DISPERSED PHASE; DISPERSED PHASIS; DROPLET COALESCENCE; HIGH PRESSURE; HOMOGENISATION; MINIEMULSION; MINIEMULSIONS; N-DECANE; PARTICLE SYNTHESIS; PRECIPITATION; PRECIPITATION REACTION; PRECURSOR CONCENTRATION; SUBMICRON EMULSION; SUBMICRON-SIZED; WATER BASED; WATER DROPLETS; WATER-IN-OIL;

BLENDING; DROP FORMATION; EMULSIFICATION; NANOPARTICLES; PARAFFINS; PRECIPITATION (CHEMICAL); SYNTHESIS (CHEMICAL);

COALESCENCE;

EID: 79951683335     PISSN: 02552701     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cep.2010.12.009     Document Type: Article

References (32)

1. Breitung-Faes S., Kwade A. Produktgestaltung bei der Nanozerkleinerung durch Einsatz kleinster Mahlkörper. Chemie Ingenieur Technik 2009, 81:767-774.
2. Jauregui-Rosas S., Perez O.P., Jia W., Vasquez O., Angelats L. Structural, optical and luminescent properties of ZnO:Eu3+ nanocrystals prepared by sol-gel method. Materials Research Society Symposium Proceedings 2009, 1147:83-88.
3. Kucher M., Babic D., Kind M. Precipitation of barium sulfate: experimental investigation about the influence of supersaturation and free lattice ion ratio on particle formation. Chemical Engineering and Processing 2006, 45:900-907.
4. Adityawarman D., Voigt A., Veit P., Sundmacher K. Precipitation of BaSO4 nanoparticles in a non-ionic microemulsion: identification of suitable control parameters. Chemical Engineering Science 2005, 60:3373-3381.
5. Hopwood J.D., Mann S. Synthesis of barium sulfate nanoparticles and nanofilaments in reverse micelles and microemulsions. Chemistry of Materials 1997, 9:1819-1828.
6. Schmidt J., Guesdon C., Schomäcker R. Engineering aspects of preparation of nanocrystalline particles in microemulsions. Journal of Nanoparticle Research 1999, 267-276.
7. Landfester K. The generation of nanoparticles in miniemulsions. Advanced Materials 2001, 13:765-768.
8. Lee M., Tai C.Y., Lu C. Synthesis of sperical zirconia by precipitation between two water/oil emulsions. Journal of the European Ceramic Society 1999, 19:2593-2603.
9. M. Gedrat, H.P. Schuchmann, Precipitation of metal oxide nanoparticles via a miniemulsion technique, Particuology, submitted for publication.
10. Tokumitsu H., Ichikawa H., Fukumori Y., Block L.H. Preparation of gadopentetic acid-loaded chitosan microparticles for gadolinium neutron-capture therapy of cancer by a novel emulsion-droplet coalescence technique. Chemical & Pharmaceutical Bulletin 1999, 47:838-842.
11. Sotowa K., Irie K., Fukumori T., Kusakabe K., Sugiyama S. Droplet formation by the collision of two aqueous solutions in a microchannel and application to particle synthesis. Chemical Engineering & Technology 2007, 30:383-388.
12. Danner T., Schubert H. Coalescence process in emulsions. Food Colloids: Fundamentals of Formulation 2000, 116-124.
13. Kempa L., Schubert H., Schuchmann H.P. Study of droplet break-up and recoalescence during mechanical emulsification. Europeanroads Review 2006.
14. Danner T., Schubert H. Coalescence processes in emulsions. Food Colloids: Fundamentals of Formulation 2001, 116-124. Royal Society of Chemistry, Cambridge.
15. Walstra P. Principles of emulsion formation. Chemical Engineering Science 1993, 48:333-349.
16. Tesch S., Freudig B., Schubert H. Production of emulsions in high-pressure homogenizers - part I: disruption and stabilization of droplets. Chemical Engineering & Technology 2003, 26:569-573.
17. Freudig B., Tesch S., Schubert H. Production of emulsions in high-pressure homogenizers - part II: influence of cavitation on droplet breakup. Engineering in Life Science 2003, 6:266-270.
18. Phipps L.W. Mechanism of oil droplet fragmentation in high-pressure homogenizers. Nature 1971, 233:617-619.
19. Treiber A., Kiefer P. Kavitation und Turbulenz als Zerkleinerungsmechanismen bei der Homogenisation von O/W-Emulsionen. Chemie Ingenieur Technik 1976, 48:259.
20. Aguilar F.A., Freudig B., Schuchmann H.P. Herstellen von Emulsionen in Hochdruckhomogenisatoren mit modifizierten Lochblenden. Chemie Ingenieur Technik 2004, 76:396-399.
21. Kissling K., Schütz S., Piesche M. Numerical investigations of the flowfield and the mechanism of droplet deformation and break-up in a high pressure homogenizer. 8th World Congress of Chemical Engineering 2009.
22. Vankova N., Tcholakova S., Denkov N.D., Ivanov I.B., Vulchev V.D., Danner T. Emulsification in turbulent flow. 1. Mean and maximum drop diameters in inertial and viscous regimes. Journal of Colloid and Interface Science 2007, 312:363-380.
23. Aguilar F.A., Köhler K., Schubert H., Schuchmann H.P. Herstellen von Emulsionen in einfachen und modifizierten Lochblenden: Einfluss der Geometrie auf die Effizienz der Zerkleinerung und Folgen für die Maßstabsvergrößerung. Chemie Ingenieur Technik 2008, 80:607-613.
24. Miller R. Adsorption kinetics of surfactants at fluid interfaces: experimental conditions and practice of application of theoretical models. Colloids and Surfaces 1990, 46:75-83.
25. Chesters A.K. The modelling of coalescence processes in fluid-liquid dispersions: a review of current understanding. Chemical Engineering Research & Design 1991, 69:259-270.
26. T. Danner, Tropfenkoaleszenz in Emulsionen, Dissertation, Universität Karlsruhe (TH), 2001.
27. Kempa L., Schuchmann H.P., Schubert H. Drip-reducing and drip coalescence in mechanical emulsifying with high pressure homogenisers. Chemie Ingenieur Technik 2006, 78:765-768.
28. Voigt A., Sundmacher K. Herstellung maßgeschneiderter Nanopartikel durch Fällung in Mikroemulsionen. Chemie Ingenieur Technik 2007, 79:229-232.
29. Miller R. Zur Adsorptionkinetik an fluiden Phasengrenzen. Zeitschrift fur Physikalische Chemie 1978, 5:863-868.
30. Tcholakova S., Denkov N.D., Sidzhakova D., Ivanov I.B., Campbell B. Interrelation between drop size and protein adsorption at various emulsification conditions. Langmuir 2003, 19:5640-5649.
31. Tcholakova S., Denkov N.D., Danner T. Role of surfactant type and concentration for the mean drop size during emulsification in turbulent flow. Langmuir 2004, 20:7444-7458.
32. Kawashima Y., Hino T., Takeuchi H., Niwa T. Stabilization of water/oil/water multiple emulsion with hypertonic inner aqueous phase. Chemical & Pharmaceutical Bulletin 1992, 40:1240-1246.