Antibacterial and anti-mildew interior wall latex paint

An interior wall latex paint and anti-mildew technology, applied in latex paint, biocide-containing paint, antifouling/underwater paint, etc., can solve the problems of poor anti-mildew and antibacterial effects, and improve swelling performance and mechanical properties performance, avoiding agglomeration, and improving water resistance

Inactive Publication Date: 2019-10-22
蓝海利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a kind of antibacterial and anti-mildew interior wall latex paint for the problem that the commonly used interior wall latex paint has poor anti-mildew and anti-bacterial effects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0031]The preparation method of composite adhesive paint base material, comprises the steps:

[0032] (1) Mix emulsifier, dispersant and water at 25~35°C according to the mass ratio of 3~6:1:20~30, stir magnetically at 400~700r / min for 35~60min, heat up to 40~60°C, Add methyl styrene methyl ester of 1~3 times the mass of emulsifier, mix and stir, keep warm for 30~55min, add sodium persulfate with 2~5% of emulsifier mass, mix and stir, adjust pH to 7.8~8.5, to get the reaction solution;

[0033] (2) In parts by weight, take 7-13 parts of reaction solution, 10-15 parts of copper nitrate solution with a concentration of 0.01mol / L, 20-40 parts of acetic acid solution with a mass fraction of 8%, and 1-4 parts of chitosan Sugar, 2~5 parts of isopropanol, 3~7 parts of modified diatomaceous earth, 0.6~1 part of glutaraldehyde, take chitosan, modified diatomite and acetic acid solution in the reaction at 25~35℃ Mix in a kettle, stir magnetically at 400~700r / min for 8~12h, add copper ...

Embodiment 1

[0037] Emulsifier: Mix simethicone and gum arabic at a mass ratio of 5:1 to obtain an emulsifier.

[0038] Dispersant: Mix liquid paraffin, calcium stearate and sodium lauryl sulfate at a mass ratio of 4:0.1:0.3 to obtain a dispersant.

[0039] Modified diatomite: Mix diatomite, fly ash, and HCl solution with a mass fraction of 12% according to the mass ratio of 7:1:25, stir magnetically at 500r / min for 30min, let stand at room temperature for 1h, filter, and take the filter residue After washing twice with water, move to 65°C oven to dry for 8 hours to obtain modified diatomite.

[0040] Oil plant: Mix castor oil, lavender essential oil, and camphor essential oil according to the mass ratio of 3:1:1 to obtain the oil plant.

[0041] Auxiliary materials: Mix microcrystalline paraffin and polyvinylpyrrolidone at a mass ratio of 1:3 to obtain auxiliary materials.

[0042] Catalyst: Mix dibutyltin dilaurate and stannous octoate at a mass ratio of 4:1 to obtain the catalyst.

...

Embodiment 2

[0050] Emulsifier: Mix simethicone and gum arabic at a mass ratio of 5:2 to obtain an emulsifier.

[0051] Dispersant: Mix liquid paraffin, calcium stearate and sodium lauryl sulfate at a mass ratio of 5:0.1:0.3 to obtain a dispersant.

[0052] Modified diatomite: mix diatomite, fly ash, and HCl solution with a mass fraction of 12% according to the mass ratio of 8:1:25, stir with 700r / min magnetic force for 45min, stand at room temperature for 2h, filter, and take the filter residue After washing with water for 3 times, move to 70°C oven and dry for 11 hours to obtain modified diatomite.

[0053] Oil plant: Mix castor oil, lavender essential oil, and camphor essential oil at a mass ratio of 5:1:1 to obtain the oil plant.

[0054] Auxiliary materials: Mix microcrystalline paraffin and polyvinylpyrrolidone at a mass ratio of 1:5 to obtain auxiliary materials.

[0055] Catalyst: Mix dibutyltin dilaurate and stannous octoate at a mass ratio of 4:1.5 to obtain the catalyst.

[0...

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Abstract

The invention discloses an antibacterial and anti-mildew interior wall latex paint, and belongs to the field of architectural coating materials. According to the present invention, after diatomaceousearth and fly ash are subjected to mixing acid leaching, and filtering is performed to load SiO2, TiO2 and other oxides on the diatomaceous earth, wherein the TiO2 acts with positively charged chitosan, and the chitosan and the layered structure pretreated diatomaceous earth are mixed so as to effectively improve the internal swelling property and the mechanical property; through the good cooperation effect with the chitosan, the antibacterial and anti-mildew performance can be further increased after the combining; a polyurethane emulsion is prepared by using propylene glycol polyether, phorone diisocyanate and other raw materials, modification is performed by adding an oil material, and the good hydrophobicity can be achieved by introducing a long-chain fatty chain segment so as to improve the water-blocking property; the product has antibacterial property, and can have the improved antibacterial effect by combining with Cinnamomum camphora essential oil and lavender essential oil soas to achieve the effects of water resistance and antibacterial effect and improve the anti-mildew effect; and the antibacterial and anti-mildew interior wall latex paint of the present invention cansolve the problem of poor antibacterial and anti-mildew effect of the current commonly-used internal wall latex paint.

Description

technical field [0001] The invention belongs to the field of architectural coatings, in particular to a bacteriostatic and anti-mildew interior wall latex paint. Background technique [0002] The most used type of architectural coatings is interior wall latex paint with high pigment volume concentration, which is widely used due to its low price and proper decorative function. In terms of its performance, this type of latex paint has good hiding power and appropriate scrub resistance, and most of them can meet the requirements of GB / T9756-2001 "Synthetic Resin Emulsion Interior Wall Coatings" and GB18582-2001 "Interior Decoration Materials for Interior Walls". Limits of Hazardous Substances in Coatings". However, the deficiencies of this type of coating: First, the rheology of the coating is poor, the leveling property is poor, and the decorative effect and feel of the coating film are not good; the second is that some properties (washing resistance and contrast ratio, etc....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D5/02C09D5/14C09D7/62C09D7/65C09D175/14C09D105/08C09D129/04C08G18/75C08G18/66C08G18/48C08G18/36C08G18/12C08G18/32C08G18/34
CPCC08G18/12C08G18/36C08G18/48C08G18/6696C08G18/755C08L2205/035C09D5/02C09D5/14C09D7/62C09D7/65C09D105/08C09D125/14C09D129/04C09D175/14C08L75/14C08L5/08C08L29/04C08L83/04C08L91/00C08L91/06C08L39/06C08K9/02C08K3/28C08K5/07C08L25/14C08G18/3206C08G18/348
Inventor 蓝海利
Owner 蓝海利
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