| Title: | Influence of temperature and pressure during PGSS[sup]TM micronization and storage time on degree of crystallinity and crystal forms of monostearate and tristearate |
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| Authors: | ID Mandžuka, Zoran (Author)
ID Knez, Željko (Author) |
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| Files: |  http://dx.doi.org/10.1016/j.supflu.2007.11.006
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| Language: | English |
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| Work type: | Unknown |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FKKT - Faculty of Chemistry and Chemical Engineering
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| Abstract: | For controlling the degree of crystallinity and crystal form during particle formation using supercritical fluids, knowledge of pressure influence on solid-liquid-gas (S-L-G) equilibrium and solubility data of the system is crucial. S-L-G equilibrium data were determined in pressure range from 50 to 600 bar for systems monostearate/CO2 and tristearate/CO2 using a high-pressure view cell. Results showed a temperature minimum for both systems.The solubilities of CO2 in liquid glycerides were high: maximum solubilities, which were determined at temperatures 70 and 90 °C and pressure range from 50 to 450 bar, were from 50 to 90 mol%. Physical characteristics of micronized monostearate and tristearate samples were studied in detail after micronization and after 3 months of storage at 20 °C. |
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| Keywords: | chemical processing, high pressure technology, supercritical fluids, micronization, fine particles, Particles from Gas Saturated Solution, degree of crystallinity |
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| Year of publishing: | 2008 |
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| PID: | 20.500.12556/DKUM-26170  |
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| UDC: | 66-987 |
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| ISSN on article: | 0896-8446 |
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| COBISS.SI-ID: | 12228886 |
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| NUK URN: | URN:SI:UM:DK:L2S3PSVE |
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| Publication date in DKUM: | 31.05.2012 |
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| Views: | 3120 |
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| Downloads: | 64 |
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| Metadata: |    |
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| Categories: | Misc.
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