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2. Principle
The principle (see figure 1 ) is based on the hot production of an emulsion formed by oil droplets in an aqueous phase, followed by the synthesis of a rigid, brittle shell coating the droplets. This emulsion has two characteristics:
water-oil interface stabilizers are solid particles (Pickering emulsions);
oil characterized by its melting temperature T f is solid at storage temperature and becomes liquid at use temperature. The melting of the oil is accompanied by a volumetric expansion that is sufficient to break the solid shell. Indeed, because of its rigid nature, the silica shell (silicon dioxide noted SiO 2 ) is too little deformable to...
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The Ultimate Scientific and Technical Reference
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Principle
Bibliography
Events
World Emulsion Congress 2010 (October 12-14, Lyon) http://www.cme-emulsion.com
European Colloid and Interface Society conference (September 4-9, 2001, Berlin) http://www.ecis2011.org
Directory
Laboratories – Design offices – Schools – Research centers (non-exhaustive list)
Paul-Pascal Research Center http://www.crpp-bordeaux.cnrs.fr/
Particular Vectorization Engineering (Inserm) http://www.gepea.fr/
Biogalenic Pharmacy...
Patents
Pressure sensitive record material US 2712507.
New core-shell objects with thermostimulated delivery and method of preparation FR 0955417
Crystallizable oil compositions stabilized by colloidal particles WO 2005/082507A1.
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