Advanced Nanocomposite Coatings of Fusion Bonded Epoxy Reinforced with Amino-Functionalized Nanoparticles for Applications in Underwater Oil Pipelines

Table 1

Concentrations and molar ratios of reagents and precursors used for the synthesis of silica-based nanoparticles.

Sample	Reagent	TEOS	H2O	NH3	EtOH	3-APTES
NanoSiO2	Concentration (mol·L^−1)	0.18	1.21	0.36	15.59	—
	Molar ratio	1.0	6.7	2.0	86.6	—
NanoSiO2-APTES	Concentration (mol·L^−1)	0.18	1.21	0.36	15.59	0.09
	Molar ratio	1.0	6.7	2.0	86.6	0.5