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UPN Ref Technology
196 SUPERCRITICAL FLUIDS
Supercritical fluids are involved in a wide variety of applications which have shown a significant progress in recent years. Many industrial sectors are concerned including cosmetics, pharmaceutics, materials, chemistry or energy. Other areas are in rapid development such as the cleaning of mechanical parts or the surface preparation of microelectronics. It should be noted that water (Tc = 374 °C, Pc = 221 bars), which critical point is higher than that of CO2 (Tc = 31 °C, Pc = 74 bars), is nevertheless very much studied as a reaction medium, finding applications in the synthesis of nanoparticles and the recovery and treatment of waste.
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65 Additives for the plastics industry
Unique organic polymer particles which are able to absorb and carry a variety of liquid chemical actives. These particles are robust and can be easily compounded into commercial thermoplastics, liquid polymers, polyester resin and rubber to either positively fragrance plastics or as a means of providing recycled plastic odour neutralisation.
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39 Inorganic and organic nanofibrous materials
Novel nanofibrous materials have been developed such as ceramic nanofibers and organic nanofibers that have a plurality of applications.
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6 Process for industrial production of nanoparticles using supercritical water process
The use of hydrothermal conditions allows the very fast synthesis of high added value nanoparticles from an aqueous solution of metallic salts. This technology has proven being very versatile versus composition, synthesizing very high quality NP at both lab and pilot scale, with high reproducibility.The process includes a wall-free mixing technology which brings stability of the reaction volume and allows a fully continuous operation of the production line.
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