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Nanometer mesoporous titanium dioxide/nanometer silica sol coating and preparation method thereof

A nano-silica sol and titanium dioxide technology, applied in coatings, latex paints, etc., can solve the problems of poor stain resistance, environmental protection, and poor weather resistance, and achieve the effects of improving weather resistance, reducing self-aggregation, and expanding the scope of use

Active Publication Date: 2014-04-09
SHENYANG SHUNFENG NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a nano-mesoporous titanium dioxide / nano-silica sol coating and its preparation method, which can solve the problems of poor stain resistance, poor weather resistance and environmental protection of existing coatings, and at the same time give the coating good self-cleaning and antibacterial properties and other new features

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation formula of this embodiment is:

[0026] pulping stage

[0027] water 200kg D 1kg Modulator AMP-95 1.5 kg Dispersant 5kg Defoamer 2kg Coalescent 15kg Propylene Glycol 15kg TiO 2 250kg heavy calcium 100kg talcum powder 20kg thickener 5kg

[0028] High-speed dispersion sanding, enter the paint mixing stage.

[0029] Styrene acrylic emulsion 296D-S 320kg Defoamer 0.5 kg Nano silica sol 25kg Nano Mesoporous Titanium Dioxide 25kg thickener 5kg water 10kg total 1000kg

[0030] Its preparation method is:

[0031] (1) Dispersion and grinding: Put water, heavy calcium, talcum powder, titanium dioxide, dispersant, wetting agent, propylene glycol, and defoamer into the disperser, disperse at a speed of 1500~300rpm for 10~15 minutes, and then use a speed of 4000rpm A sand mill is used to grind and filter to obtain a slurr...

Embodiment 2

[0034] The preparation formula of this embodiment is:

[0035] pulping stage

[0036] water 200kg D 2.5 kg Modulator AMP-95 4.5 kg Dispersant 5kg Defoamer 0.5 kg Coalescent 15kg Propylene Glycol 15kg TiO 2 150kg heavy calcium 100kg talcum powder 20kg thickener 3kg

[0037] High-speed dispersion sanding, enter the paint mixing stage.

[0038] Pure acrylic emulsion 400kg Defoamer 0.5 kg Nano silica sol 15kg Nano Mesoporous Titanium Dioxide 15kg thickener 4kg water 50kg total 1000kg

[0039] Its preparation method is:

[0040] (1) Dispersion and grinding: Put water, heavy calcium, talcum powder, titanium dioxide, dispersant, wetting agent, propylene glycol, and defoamer into the disperser, disperse at a speed of 1500~300rpm for 10~15 minutes, and then use a speed of 4000rpm A sand mill is used to grind and filter to obtain a slurry. ...

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Abstract

The invention relates to the field of building materials, in particular to a nanometer mesoporous titanium dioxide / nanometer silica sol coating and a preparation method thereof. The coating is characterized in that nanometer mesoporous titanium dioxide particles and nanometer silica sol particles are used. The preparation method comprises the following steps of: dispersing, and grinding; putting water, powder and an aid into a dispersion machine, grinding, and filtering to obtain slurry; and performing paint mixing, namely putting emulsion, nanometer mesoporous titanium dioxide, nanometer silica sol, water and an aid into the dispersed slurry, regulating the pH value and viscosity, and thus obtaining the coating. The coating is prepared by simple processes of dispersing, sanding, filtering and the like, the defects that the conventional coating has low stain resistance and weather resistance, is not environment-friendly and the like are overcome, and the coating is endowed with good new functions such as a self-cleaning function, an antibacterial function and the like, has high storage stability, scour resistance, stain resistance and weather resistance, and is suitable for an exterior wall coating.

Description

technical field [0001] The invention relates to the field of building materials, in particular to an environment-friendly nano mesoporous titanium dioxide / nano silica sol coating with good adhesion, weather resistance and ultraviolet shielding and a preparation method thereof. Background technique [0002] Since nano-titanium dioxide has special photocatalytic properties, super-hydrophilicity, and UV shielding properties, applying it to coatings and keeping them in a nano-scale state in the coatings can not only improve the shortcomings of existing coatings such as poor weather resistance and easy staining, At the same time, it can also endow the coating with good antibacterial, self-cleaning and air-purifying properties. In places with high humidity and serious pollution in the south, the product has market competitiveness. As disclosed in the authorized patent ZL 200410027622.X, it uses nano-titanium dioxide / nano-silver coating and its preparation method. Most of the decl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D133/04C09D131/04C09D7/12C09D5/02
Inventor 刘春峰吕会勇沙世强于海舒陈栋杜晓宁王杨松于浩葛晶
Owner SHENYANG SHUNFENG NEW MATERIAL CO LTD
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