Table 6 Comparing the work of others with this work.

From: Hydrophobic silanes-modified nano-SiO₂ reinforced polyurethane nanocoatings with superior scratch resistance, gloss retention, and metal adhesion

Samples

Nanomaterials

Silane model

WCA

Refs.

NBR

Nano-SiO2

VTES

153°

21

SBR

Nano-SiO2

Vinyl isocyanate (VI) and tetraethoxysilane (TEOS)

153.22°

38

Cotton fabric

Nano-SiO2

Perfluorooctylated quaternary ammonium silane coupling agent (PFSC)

145°

39

Polyurethane

Vinyl tris(β-methoxyethoxy) silane

100°

40

Polyurethane

3-aminopropyltriethoxysilane

107.4°

41

Polyurethane

Nano-SiO2

3-aminopropyltriethoxysilane

92.1°

42

Polyurethane

Nano-SiO2

Octyltriethoxysilane (OTES) and Vinyltriethoxysilane (VTES)

91° and 111°

This work