𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Simple model for the instabilities in the aggregation of silica sols in a sol-gel process

✍ Scribed by Rogelio Rodríguez; Rubén Arroyo


Publisher
Springer
Year
1994
Tongue
English
Weight
828 KB
Volume
3
Category
Article
ISSN
0928-0707

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Acid and Base Catalysts in the Hybrid Si
✍ Cesar R. Silva; Claudio Airoldi 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 486 KB

Sol-gel silicas were synthesized from the hydrolysis of tetraethoxysilane and N-beta-aminoethyl-gamma-aminopropyltrimethoxysilane in the presence of water and ethanol by using ammonium hydroxide or hydrochloric acid as base or acid catalysts, respectively. The influence of the type of the catalyst e

Sol–gel processed porous silica carriers
✍ Katarzyna Czarnobaj; Joanna Czarnobaj 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 199 KB

## Abstract Silica xerogels doped with diclofenac diethylamine were prepared by the sol–gel method from a hydrolysed tetraethoxysilane (TEOS) solution containing diclofenac diethylamine. Two different catalysts, drying conditions and levels of water content were used to alter the microstructure of

Rheological Study of the Sol–Gel Transit
✍ A. Ponton; S. Warlus; P. Griesmar 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 124 KB

The sol-gel transition of the system tetramethylorthosilicate-water-methanol under basic conditions has been studied by rheological measurements. The gelation time t(g) has been determined from the measurements of the elastic G' and viscous G'' moduli as a function of time at different frequencies a