Research Article
Synthesis and Characterization of a New Surface-Modified Nanoparticle Using Fluoroalkanoic Acids as a Wettability Alteration Agent
Table 6
TGA analyses of the unmodified and surface-modified nanosilica.
| | Sample | Temperature of 5% mass loss (°C) | Residual at 100°C (%) | Residual at 150°C (%) | Residual at 900°C (%) |
| | Unmodified nanosilica | 600 | 98.0 | 97.8 | 95.0 | | PFOA-modified nanosilica | 65 | 72.4 | 46.0 | 44.6 | | PFNA-modified nanosilica | 77 | 85.7 | 42.6 | 34.7 |
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