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Method for preparing inorganic particle/epoxy resin super hydrophobic film

A technology of epoxy resin and inorganic particles, which is applied in the field of preparation of inorganic particle/epoxy resin composite super-hydrophobic films, can solve the problems of limiting the wide application of super-hydrophobic coatings, the inability to form large-scale films, and the complexity of the preparation process. Good self-cleaning performance, simple production process, good repeatability

Inactive Publication Date: 2012-10-03
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The preparation of most superhydrophobic surfaces in the existing reports needs to be carried out under strict laboratory equipment and process control conditions, and the preparation process is complicated, and it is impossible to form large-scale films, which limits the wide application of superhydrophobic coatings in the production field.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Preparation of aminated titanium dioxide and silica particles

[0030] Add 0.51g of titanium dioxide particles, 0.84g of silicon dioxide particles, 6.63g of γ-aminopropyltriethoxysilane and 5.61g of ammonia water into 100ml of ethanol solvent, stir and react at room temperature for 8 hours, dry and grind at 100°C to obtain Aminated titanium dioxide and silica particles;

[0031] (2) Preparation of Coating Sol

[0032] Add the amino-modified titanium dioxide and silicon dioxide particles prepared in step (1) into 35ml of ethanol solvent, then add 14g of epoxy resin, stir and react at room temperature to obtain a coating sol; the epoxy resin is selected from water-based epoxy resin ;

[0033] (3) Coating film on base material

[0034] Apply the coating sol in step (2) evenly on the glass sheet by drop coating, and let it stand at room temperature for use;

[0035] (4) Post-processing of substrate materials

[0036] Put the glass sheet coated in step (3) in...

Embodiment 2

[0038] (1) Preparation of aminated titanium dioxide and silica particles

[0039] Add 0.26g of titanium dioxide particles, 0.42g of silicon dioxide particles, 4.52g of γ-aminopropyltriethoxysilane and 3.14g of ammonia water into 100ml of ethanol solvent, stir and react at room temperature for 8 hours, dry and grind them into powder at 100°C to obtain Aminated titanium dioxide and silica particles;

[0040] (2) Preparation of Coating Sol

[0041] Add the amino-modified titanium dioxide and silicon dioxide particles prepared in step (1) into 35ml of ethanol solvent, then add 10g of epoxy resin, stir and react at room temperature to obtain a coating sol; the epoxy resin is selected from water-based epoxy resin ;

[0042] (3) Coating film on base material

[0043] Apply the coating sol in step (2) evenly on the glass sheet by drop coating, and let it stand at room temperature for use;

[0044] (4) Post-processing of substrate materials

[0045] Put the glass sheet coat...

Embodiment 3

[0047] (1) Preparation of aminated titanium dioxide and silica particles

[0048] Add 0.75g of titanium dioxide particles, 1.5g of silicon dioxide particles, 10.5g of γ-aminopropyltriethoxysilane and 8.5g of ammonia water into 120ml of ethanol solvent, stir and react at room temperature for 8 hours, dry and grind them into powder at 100°C to obtain Aminated titanium dioxide and silica particles;

[0049] (2) Preparation of Coating Sol

[0050] Add the amino-modified titanium dioxide and silicon dioxide particles prepared in step (1) to 50ml of ethanol solvent, then add 20g of epoxy resin, stir and react at room temperature to obtain a coating sol; the epoxy resin is selected from water-based epoxy resin ;

[0051] (3) Coating film on base material

[0052]Apply the coating sol in step (2) evenly on the glass sheet by drop coating, and let it stand at room temperature for use;

[0053] (4) Post-processing of substrate materials

[0054] Put the glass sheet coated in s...

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Abstract

The invention discloses a method for preparing an inorganic particle / epoxy resin super hydrophobic film. The method is characterized by comprising the following steps: (1) preparing amination nano silica and nano titanium dioxide particle; (2) preparing coating sol; (3) coating the sol on a substrate material; (4) performing post-treatment on substrate material, and finally preparing the inorganic particle / epoxy resin super hydrophobic film. The method is simple in process and good in repeatability, and the prepared coating has excellent super hydrophobicity and self-cleaning property and is suitable for industrial production of super hydrophobic paint.

Description

technical field [0001] The invention relates to the technical field of application of organic-inorganic composite materials, in particular to a method for preparing an inorganic particle / epoxy resin composite super-hydrophobic film. Background technique [0002] Organic / inorganic nanocomposites have attracted more and more attention due to their unique structures and properties. Organic-inorganic composites combine the characteristics of organic materials (good toughness, impact resistance, light weight, easy processing, etc.) and inorganic materials. advantages (high strength, hardness, thermal stability, corrosion resistance and excellent optical properties). As an extremely attractive material in the 21st century, organic-inorganic nanocomposites have shown important research value and application prospects in the fields of automobiles, building materials, aerospace, aviation, energy, environmental protection, and biomedicine. [0003] Surface wettability is one of the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/18C08L63/00C08K9/06C08K3/34C08K3/22
Inventor 刘伟良徐文华张丽东姚金水
Owner QILU UNIV OF TECH
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