Sol-Gel Preparation of Highly Water-Dispersible Silsesquioxane/Zirconium Oxide Hybrid Nanoparticles

Table 1

Feed molar ratios of APTMOS/ZTB and elemental ratios of Si/Zr in SQ/ZrO₂-NPs.

Run	Feed molar ratio (APTMOS/ZTB)	Elemental ratio in SQ/ZrO2-NPs^(a) (Si/Zr)
1	1.0	1.10
2	0.8	0.99
3	0.6	0.79
4	0.3	0.34
5	0.2	0.29
6	0.1	0.22

^(a)Estimated by EDX measurements.