Slurry titanium dioxide and preparation method thereof
A technology of slurry and titanium dioxide, which is applied in the field of titanium dioxide, can solve the problems of poor storage stability of slurry titanium dioxide, impact on the application performance of titanium dioxide slurry, and influence on the dispersion of slurry titanium dioxide, so as to improve dispersion stability and Storage stability, reducing grinding and dispersing costs, and preventing agglomeration
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[0063] Example 1
[0064] The slurry titanium white provided in this example includes a titanium dioxide and a dispersant having a first layer of film and a second layer of film, wherein the membrane layer of the first layer of film is mainly from nano. Zirconia. Composed of zirconia, the membrane layer of the second layer of film is mainly composed of nano-alumina and alumina.
[0065] The preparation method of the slurry titanium white provided in this example includes the steps of:
[0066] (1) to Zro 2 Nano-zirconia in the chloride solution of 35.5% of the mass fraction is added to the chloride solution, and the mixed liquid of nano-zirconia and chloride zirconia is obtained by mixing. 2 The concentration of the chloride solution of the chloride solution is 100 g / L; in the mixed liquid, the mass of nano-zirconia / in ZrO 2 Zirconium quiz × 100% = 0.5%;
[0067] Alternative 2 O 3 Nano-alumina-aluminum oxide having a particle diameter of 30 to 60 nm was added to a sodium glyca...
Example Embodiment
[0075] Example 2
[0076] The slurry titanium white provided in this embodiment includes a titanium dioxide and a dispersant having a first layer of film and a second layer of film, wherein the membrane layer of the first layer of film is mainly from nano silicon oxide. Composed of silica, the membrane layer of the second layer of film is mainly composed of nano alumina and alumina.
[0077] The preparation method of the slurry titanium white provided in this example includes the steps of:
[0078] (1) to SiO 2 Nano silicon oxide silicon oxide having a particle diameter of 20 to 50 nm is added to a sodium silicate solution of mass fraction, and a mixture of nano silicon oxide and sodium silicate is obtained by mixing. 2 The concentration of sodium silicate solution is 100 g / L; in this mixture, the mass of nano silicon oxide / in SiO 2 The mass of sodium silicate × 100% = 1.2%;
[0079] Alternative 2 O3 Nano-alumina-aluminum oxide having a particle diameter of 30 to 60 nm was add...
Example Embodiment
[0088] Example 3
[0089] The slurry titanium white provided in this example includes a titanium dioxide and a dispersant having a first layer of film and a second layer of film, wherein the membrane layer of the first layer of film is mainly from nano. Zirconia. Composed of zirconia, the membrane layer of the second layer of film is mainly composed of nano-alumina and alumina.
[0090] The preparation method of the slurry titanium white provided in this example includes the steps of:
[0091] (1) to Zro 2 Nano-zirconia in the chloride solution of 35.5% of the mass fraction is added to the chloride solution, and the mixed liquid of nano-zirconia and chloride zirconia is obtained by mixing. 2 The concentration of the chloride solution of the chloride solution is 100 g / L; in the mixed liquid, the mass of nano-zirconia / in ZrO 2 Zirconium mass × 100% = 0.8%;
[0092] Alternative 2 O 3 Nano-alumina-aluminum oxide having a particle diameter of 30 to 60 nm was added to a sodium glyca...
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