Formation of Microcapsules Containing Titanium Dioxide Nanoparticles by Pulse Expansion of a Supercritical Solution into a Background Gasстатья
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Дата последнего поиска статьи во внешних источниках: 22 февраля 2016 г.
Аннотация:The formation of microcapsules with a core of TiO2 nanoparticles in a shell of polyethylene glycol
by pulse expansion (pulse duration of 400 µs) of a supersonic jet of TiO2suspension in a supercritical solution
of polyethylene glycol (PEG 8000) in CO2 into a background gas (He) is studied. It is shown that the size of
capsules and the content of TiO2 in them depend on the pressure of the background gas in the inlet chamber
in the range from 0.125 to 3 atm. The upper (1.5 atm) and the lower (0.25 atm) limits of the pressure range,
in which microcapsules with a relatively high content of titanium dioxide are formed, are determined.