Pharmaceutical grade phyllosilicate dispersions: The influence of shear history on floc structure

International Journal of Pharmaceutics

Volumn 182, Issue 1, 1999, Pages 7-20

  Viseras, C ^a   Meeten, G H ^b   Lopez Galindo, A ^c  

^a UNIVERSITY OF GRANADA   (Spain)

^b SCHLUMBERGER CAMBRIDGE RESEARCH   (United Kingdom)

^c INSTITUTO ANDALUZ DE CIENCIAS DE LA TIERRA   (Spain)

Author keywords

Disperse systems; Mixing performance; Palygorskite; Rheology; Sepiolite; Smectite

Indexed keywords

ATTAPULGITE; BENTONITE; MAGNESIUM TRISILICATE; SILICON DIOXIDE;

ARTICLE; CLAY; DISPERSION; FLOW KINETICS; GEL; PRIORITY JOURNAL; SUSPENSION; VISCOSITY;

ALUMINUM SILICATES; BENTONITE; EXCIPIENTS; HYDROGEN-ION CONCENTRATION; MAGNESIUM COMPOUNDS; MAGNESIUM SILICATES; RHEOLOGY; SILICATES; SILICON COMPOUNDS; SUSPENSIONS; VISCOSITY; WATER; X-RAY DIFFRACTION;

EID: 0032893125     PISSN: 03785173     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0378-5173(99)00075-7     Document Type: Article

References (19)

1. Alvarez A. Sepiolite: properties and uses. Singer A., Galán E. Palygorskite-sepiolite. Occurrences, genesis and uses. 1984;253-287 Elsevier, Amsterdam.
2. Chang, S.H., 1992. Effect of polymer adsorption on the rheology and stability of suspensions. Ph.D. Thesis, State University of New York at Buffalo, USA.
3. Chang S.H., Ryan M.E., Gupta R.K. The effect of pH, ionic strength, and temperature on the rheology and stability of aqueous clay suspensions. Rheol. Acta. 32:1993;263-269.
4. Dressman J.B., Bass P., Ritschel W.A., Friend D.R., Rubinstein A., Ziv E. Gastrointestinal parameters that influence oral medication. J. Pharm. Sci. 82:1993;857-872.
5. Everett, D.H., 1988. Basic principles of colloid science. Royal Society of Chemistry, London.
6. Galán E., Liso M.J., Forteza Minerales utilizados en la industria farmacéutica. Bol. Soc. Esp. Miner. 8:1985;369-378.
7. Henderson, C.B., Scheffee, R.S., McHale, E.T., 1982. Coal-water slurries: a low-cost liquid fuel for boliers. Cleveland AIChE meeting.
8. Hermosín M.C., Cornejo J., White J., Hem S.L. Sepiolite, a potential excipient for drugs subject to oxidative degradation. J. Pharm. Sci. 70:1981;189-192.
9. Kamal M.K., Mutel A. Rheological properties of suspensions in newtonian and non-newtonian fluids. J. Polym. Eng. 5:1985;293-382.
10. López-Galindo A., Torres-Ruiz J., González-López J.M. Mineral quantification in sepiolite-palygorskite deposits using X-ray diffraction and chemical data. Clay Miner. 31:1996;217-224.
11. Metzner A.B. Rheology of suspensions in polymeric liquids. J. Rheol. 29:1985;739-775.
12. Mewis, J., 1985. Flow and microstructure of concentrated suspensions. Powtech 85: Particle Technology, I. Chem. E., Rugby, 83-93.
13. Permien T., Lagaly G. The rheological and colloidal properties of bentonite dispersions in the presence of organic compounds: I. Flow behaviour of sodium-bentonite in water-alcohol. Clay Miner. 29:1994;751-760.
14. Permien T., Lagaly G. The rheological and colloidal properties of bentonite dispersions in the presence of organic compounds: II. Flow behaviour of wyoming bentonite in water-alcohol. Clay Miner. 29:1994;761-766.
15. Permien T., Lagaly G. The rheological and colloidal properties of bentonite dispersions in the presence of organic compounds: V. Bentonite and montmorillonite and surfactants. Clays Clay Miner. 43:1995;229-236.
16. Simonton T.C., Komarneni S., Roy R. Gelling properties of sepiolite versus montmorillonite. Appl. Clay Sci. 3:1988;165-176.
17. Torres-Ruiz J., López-Galindo A., González-López J.M., Delgado A. Geochemistry of spanish sepiolite-palygorskite deposits: genetic considerations based on trace elements and isotopes. Chem. Geol. 112:1994;221-245.
18. Van Olphen H.J. An Introduction to Clay Colloid Chemistry. 1963;Wiley, New York.
19. Weinberger C.B., Goddard J.D. Extensional flow behaviour of polymer solutions and particle suspensions in a spinning motion. Int. J. Multiph. Flow. 1:1974;465-486.