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Viscoelastic properties of pharmaceutical semisolids II: Creams

โœ Scribed by S. S. Davis

Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
374 KB
Volume
58
Category
Article
ISSN
0022-3549

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๐Ÿ“œ SIMILAR VOLUMES

Viscoelastic properties of pharmaceutica
Viscoelastic properties of pharmaceutical semisolids I: Ointment bases
โœ S. S. Davis ๐Ÿ“‚ Article ๐Ÿ“… 1969 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 633 KB

The rheological evaluation of semisolids by continuous shear methods is limited in its application. However if materials are viscoelastic, their properties can be assessed in creep testing where fundamental parameters are provided and rheological behavior can be represented by mechanical models. Mea

Viscoelastic properties of pharmaceutica
Viscoelastic properties of pharmaceutical semisolids IV: Destructive oscillatory testing
โœ Stanley S. Davis ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 549 KB

Rheogoniometer oscillatory tests of large amplitude were used to simulate the conditions of dermatological usage of semisolid ointments and creams. The onset of nonlinear viscoelastic behavior can be correlated with the yield stress found from continuous shear experiments. The rate of breakdown of v

Viscoeldstic properties of pharmaceutica
Viscoeldstic properties of pharmaceutical semisolids III: Nondestructive oscillatory testing
โœ Stanley S. Davis ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 564 KB

0 Semisolid ointments and creams were examined by nondestructive oscillato1 y methods, using the Weissenberg rheogoniometer and a digital transfer function analyser. Fundamental rheological parameters (v', G', and C " ) were measured over the frequency range from 2.5 X 10-4 to 25 Hz. The variation w