Preparation of Microcellular Polyurethane Using Supercritical Carbon Dioxide

Preparation of PMMA/MWNTs Nanocomposite Microcellular Foams by In-situ Generation of Supercritical Carbon Dioxide

Nanocomposites containing poly(methyl methacrylate) (PMMA) and surface functionalized Multi-Walled Carbon Nanotubes (MWNTs) were synthesized. The dispersion of MWNTs in PMMA was characterized using Transmission Electron Microscopy (TEM).The synthesized nanocomposites were successfully foamed using a simple method based on the in-situ generation of supercritical carbon dioxide (CO2</sub...

Synthesis of Polyurethane Particles in Supercritical Carbon Dioxide

SUPERCRITICAL CARBON DIOXIDE Eric Cloutet, Benjamin Renault, Thierry Tassaing, Patrick Lacroix-Desmazes, Henri Cramail Laboratoire de Chimie des Polymères Organiques, ENSCPB-CNRS-Université Bordeaux 1 (UMR 5629), 16 Avenue Pey-Berland, 33607 Pessac cedex, France Institut des Sciences Moléculaires, CNRS-Université Bordeaux 1 (UMR 5255), 351 Cours de la Libération, 33405 Talence cedex, France Lab...

Vetiver Oil Extraction Optimization Using Supercritical Carbon Dioxide Fluid

Effective terminal sterilization using supercritical carbon dioxide.

Gentle alternatives to existing sterilization methods are called for by rapid advances in biomedical technologies. Supercritical fluid technologies have found applications in a wide range of areas and have been explored for use in the inactivation of medical contaminants. In particular, supercritical CO(2) is appealing for sterilization due to the ease at which the supercritical state is attain...

Preparation of Inclusion Complex of Piroxicam with Cyclodextrin by Using Supercritical Carbon Dioxide

Forming complexes with cyclodextrins can enhance the dissolution rate, the stability, the solubility and the bioavailability of a drug. In this work, piroxicam/β-cyclodextrin complexes were prepared at solid state by means of supercritical carbon dioxide. The influence of temperature, residence time, water content and a ternary agent, L-lysine, were studied. The complex was characterized by Dif...