【摘 要】
：
The quantitative adsorption behavior of a hyperdispersant onto nano-TiO2 particles has been characterized by using FTIR(Fourier transform infrared) spectroscopy
【机 构】
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State Key Laboratory for Corrosion and Protection,Institute of Metal Research,Chinese Academy of Sci
【出 处】
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Progress in Natural Science:Materials International
论文部分内容阅读
The quantitative adsorption behavior of a hyperdispersant onto nano-TiO2 particles has been characterized by using FTIR(Fourier transform infrared) spectroscopy,NMR(nuclear magnetic resonance) and a negative adsorption method.The intrinsic adsorbed amount of hyperdispersant was(1.05±0.09) mg/m2.Thickness of the adsorbed layer was(4.66±0.42) nm.There was(74±7)% wt water in the adsorbed layer.In the hyperdispersant molecule,the anchoring group of the amide group attached frmly to the nano-TiO2 particles,and the solvatable chains of comb-type structure exhibited the effective steric stabilization.
The quantitative adsorption behavior of a hyperdispersant onto nano-TiO2 particles has been characterized by using Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR) and a negative adsorption method. Intrinsic adsorbed amount of hyperdispersant was (1.05 ± 0.09) mg /m2.Thickness of the adsorbed layer was (4.66 ± 0.42) nm. There was (74 ± 7)% wt water in the adsorbed layer. the hyperdispersant molecule, the anchoring group of the amide group attached frmly to the nano-TiO2 particles, and the solvatable chains of comb-type structure exhibited the effective steric stabilization.
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