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Digitale Medien

Studies on styrene phosphonic acid (1996)

Schulz, P. C. ; Fernández-Band, B. S. ; Vuano, B. ; [weitere]

Springer

Colloid & polymer science 274 (1996), S. 741-746

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Details

ISSN: 1435-1536

Schlagwort(e): Styrene phosphonic acidcrystals ; micelle solubilization ; solubility

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Maschinenbau

Notizen: Abstract Some properties of styrene phosphonic acid (SPA) were studied. The crystals were triclinic, witha=0.6434 nm,b=0.5842 nm,c=2.0338 nm, α=96.17°, β=97.33°, γ=79.65° andZ=4. SPA underwent a change in crystal structure at 78.8°C, the hydrocarbon network became disordered (“liquid-like”) at 138.5°C. Crystals melted at 148.6°C giving a cubic mesophase, then changed to an isotropic liquid at 155.6°C and at 162.13°C SPA underwent decomposition. Values for pK1=2.15 and pK2=7.66 were obtained at 25°C. The water solubility of SPA at several temperatures, and its interaction with surfactant micelles were determined.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00654669

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