Influence of Selected Alkoxysilanes on Dispersive Properties and Surface Chemistry of Titanium Dioxide and TiO₂–SiO₂ Composite Material

Table 3

Adsorption properties of modified TiO₂ and TiO₂–SiO₂ composite material.

Sample	Modifying agent	Amount of modifying agent (wt./wt.)	𝐴BET (m^2/g)	𝑉𝑝 (cm^3/g)	𝑆𝑝 (nm)
A11	—	—	10.0	0.020	7.6
	U-511 silane	0.5	8.5	0.001	5.8
		3	7.1	0.005	3.0
	U-611 silane	0.5	9.0	0.004	2.0
		3	7.4	0.004	1.6
	U-15D silane	0.5	5.6	0.004	3.0
		3	4.9	0.004	3.1
R001	—	—	14.0	0.030	7.6
	U-511 silane	0.5	8.2	0.006	3.0
		3	5.3	0.004	3.0
	U-611 silane	0.5	9.6	0.007	2.8
		3	9.3	0.006	2.4
	U-15D silane	0.5	8.3	0.006	2.9
		3	5.6	0.004	3.0
R213	—	—	35.0	0.090	9.8
	U-511 silane	0.5	25.2	0.017	2.8
		3	21.0	0.015	2.8
	U-611 silane	0.5	25.7	0.018	2.9
		3	23.6	0.017	2.8
	U-15D silane	0.5	25.1	0.018	2.8
		3	20.8	0.014	2.6
TP10	—	—	36.0	0.040	4.6
	U-511 silane	0.5	27.3	0.018	2.0
		3	23.2	0.016	1.8
	U-611 silane	0.5	26.9	0.016	2.0
		3	24.1	0.013	1.9
	U-15D silane	0.5	25.8	0.014	2.0
		3	21.6	0.011	1.8