Dispersion technology of inorganic nano-material
A technology of inorganic nanomaterials and mechanical dispersion, which is applied in the treatment of inorganic pigments, fibrous fillers, dyeing low-molecular organic compounds, etc., to achieve good dispersion effects, strong hydrophobicity, and uniform particle effects
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[0024] Example 1
[0025] A dispersion technology of inorganic nanomaterials, comprising the following steps:
[0026] (1) 200-800nm titanium dioxide inorganic nanomaterials were modified with toluene diisocyanate in the presence of initiator ammonium persulfate and dispersant sodium tripolyphosphate at 60°C;
[0027] (2) The mechanical dispersion method was adopted at the same time of modification, and the planetary disperser was used for uniform dispersion at 100°C for 30min.
Example Embodiment
[0028] Example 2
[0029] (1) using diphenylmethane diisocyanate to modify 300-600nm nano-silica inorganic nanomaterials under grinding at 100°C in the presence of initiator ammonium persulfate and dispersant sodium pyrophosphate;
[0030] (2) At the same time of modification, the mechanical dispersion method was also used, and the planetary disperser was used for uniform dispersion for 1 hour at 50 °C.
Example Embodiment
[0031] Example 3
[0032] (1) 500-600nm nano-silica inorganic nanomaterials are modified with toluene diisocyanate in the presence of initiator ammonium persulfate and dispersant sodium hexametaphosphate at 80°C;
[0033] (2) At the same time, the modification adopts the mechanical dispersion method, and the planetary disperser is used for uniform dispersion at 70°C for 3h.
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