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