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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

Inactive Publication Date: 2016-12-21
DONGGUAN XIONGLIN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, how to introduce NCO active groups has not been reported yet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A dispersion technique for inorganic nanomaterials, comprising the steps of:

[0026] (1) Using toluene diisocyanate in the presence of initiator ammonium persulfate and dispersant sodium tripolyphosphate at 60°C to modify the 200-800nm ​​titanium dioxide inorganic nanomaterial;

[0027] (2) While modifying, the mechanical dispersion method is adopted, and the planetary disperser is used to uniformly disperse for 30 minutes at 100°C.

Embodiment 2

[0029] (1) Using diphenylmethane diisocyanate in the presence of initiator ammonium persulfate and dispersant sodium pyrophosphate to modify the 300-600nm nanometer silicon dioxide inorganic nanomaterial under grinding at 100°C;

[0030] (2) While modifying, the mechanical dispersion method is also used, and the planetary disperser is used to uniformly disperse for 1 hour at 50°C.

Embodiment 3

[0032] (1) Using toluene diisocyanate in the presence of initiator ammonium persulfate and dispersant sodium hexametaphosphate at 80° C. to modify the 500-600nm nanometer silicon dioxide inorganic nanomaterial;

[0033] (2) Modification adopts mechanical dispersion method at the same time, and adopts planetary disperser to carry out uniform dispersion for 3 hours at 70°C.

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PUM

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Abstract

A dispersion technology of an inorganic nano-material comprises the following steps: 1, modifying the inorganic nano-material with isocyanate in the presence of an initiator and a dispersant; and 2, uniformly dispersing the inorganic nano-material by a planet dispenser through adopting a mechanical dispersion method. The nano-material dispersed through the dispersion technology is uniform and does not agglomerate.

Description

technical field [0001] The invention belongs to the technical field of inorganic nanometer materials, and in particular relates to a dispersion technology of inorganic nanometer materials. Background technique [0002] Nanoparticles have many new properties due to their reduced size. For example: surface and interface effects, size effects, quantum size effects, etc. When any material is refined to the nanometer level by high-tech means, the physical and chemical properties of the material will undergo tremendous changes, such as: metals are conductors, but the quantum size effect of nano-metal particles at low temperatures will lead to insulation, Nano-inorganic fungicides have strong bactericidal ability and so on. [0003] Polymer / inorganic particle nanohybrid materials combine the properties of organic polymers and inorganic nanoparticles, which is currently a very active research field. However, the difficulty of maintaining stable dispersion of nanoparticles greatly ...

Claims

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Application Information

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IPC IPC(8): C09C1/36C09C1/28C09C3/04C09C3/08
CPCC09C1/3607C09C1/28C09C1/3615C09C1/3623C09C1/3669C09C1/3692C09C3/006C09C3/04C09C3/041C09C3/08
Inventor 何建雄王一良
Owner DONGGUAN XIONGLIN NEW MATERIAL TECH
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