Research Article
Investigation of the Adhesion Promoter Distribution in Porous Ceramic Precursors
Table 1
Infiltration methods and specimens.
| Specimen number | Method | Silane status | Drying | Drying position | Silanization solution |
| 1 | Partial immersion method (PI) | Activated | Yes | Normal | 48.5 vol.% ethanol, 48.5 vol.% water, 3 vol.% silane*, pH 3 | 2 | Infiltration with inactivated silane | Inactivated | Yes | Normal | 97 vol.% ethanol, 3 vol.% silane* | 3 | Infiltration with inactivated silane | Inactivated | Yes | Normal | 97 vol.% ethanol, 3 vol.% silane* | 4 | Infiltration with inactivated silane | Inactivated | Yes | Upside down | 97 vol.% ethanol, 3 vol.% silane* | 5 | Infiltration with inactivated silane | Inactivated | Yes | Normal | 97 vol.% ethanol, 3 vol.% silane* | 6 | Delayed activation method (DA) | Delayed activation | No | Normal | First infiltration: 97 vol.% ethanol, 3 vol.% silane* Second infiltration: Water with a pH of 3 | 7 | High flow infiltration (HFI) | Activated | Yes | Normal | 48.5 vol.% ethanol, 48.5 vol.% water, 3 vol.% silane*, pH 3 |
|
|
*Evonik Industries AG, Germany.
|