Research Article
Biopolymer Doped with Titanium Dioxide Superhydrophobic Photocatalysis as Self-Clean Coating for Lightweight Composite
Table 6
Observation on uncoated and coated LC samples before and after exposure to sunlight and overnight humidity.
| Sample | Observation | Color change | Sunburn, crack, dirt, oily deposition | Surface roughness |
| A | Before | Cream | No | Rough | After | Dark brown | Yes | Rough |
| B | Before | Cream | No | Low | After | Dark brown | No | Low |
| C | Before | Cream | No | Low | After | Light brown | No | Low/smooth |
| D | Before | Cream | No | Low | After | Cream | No | Low/smooth |
| E | Before | Light cream | No | Low | After | Light cream | No | Smooth |
| F | Before | Lighter cream | No | Low | After | Lighter cream | No | Smooth |
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