Research Article
Aerogels Materials as Space Debris Collectors
Table 2
Linear shrinkage of 18% TEOS aerogels versus the pH of hydrolysis.
| | pH of hydrolysis solution | 1.5 | 2.5 | 3.5 | 4.5 | 6 | 7 | 8 | 8.5 | 9 | | Linear shrinkage (%) | 15-16 | 14-15 | 13-14 | 13-14 | 11-12 | 9–11 | 5-6 | 2.5–3 | 1.5–2 |
|
|
