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A kind of antibacterial modified back paint

A back paint and modification technology, applied in the field of paint, can solve the problems of poor sterilization effect and low adsorption rate, and achieve the effect of good antibacterial effect, non-toxic antibacterial effect, and solving hardness defects.

Active Publication Date: 2018-05-22
山东富海材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantage of this antibacterial product is that the adsorption rate is low, the effective metal adsorption rate is below 5%, and the bactericidal effect is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] An antibacterial modified back paint, consisting of the following components: polyester resin 16kg, solvent (the solvent is a mixed solvent of DBE and PMA, and the weight ratio of DBE to PMA is 1:1) 12kg, dispersant (SU263 macromolecule block Copolymer dispersant) 0.4kg, anti-settling agent (castor oil derivative) 0.4kg, rutile titanium dioxide 22kg, precipitated barium sulfate 5kg, 40wt% 609 epoxy solution 30kg, hemimethylated amino resin 12kg, 5265 urea-formaldehyde Resin 3kg, adhesion promoter (LTW) 3kg, acid catalyst (dinonyl naphthalene sulfonic acid) 0.8kg, orchid vanilla 25kg, flat wood 15kg, fragrant papaya 23kg.

[0032] The preparation method of described antibacterial modified back paint, the steps are:

[0033] 1) Take orchid vanilla, flat wood and fragrant papaya, crush them to 80 mesh, and extract them with analytically pure ethanol for 4 hours. After the extraction is completed, filter out the filter residue to obtain an antibacterial solution;

[0034] ...

Embodiment 2

[0039] An antibacterial modified back paint, consisting of the following components: polyester resin 10kg, solvent (the solvent is a mixed solvent of DBE and PMA, the weight ratio of DBE and PMA is 1:2) 6kg, dispersant (SU263 macromolecule block Copolymer dispersant) 0.1kg, anti-settling agent (organic bentonite) 0.1kg, rutile titanium dioxide 10kg, precipitated barium sulfate 2kg, 40wt% 609 epoxy liquid 15kg, hemimethylated amino resin 5kg, 5265 urea-formaldehyde resin 1kg , Adhesion promoter (LTW) 1kg, acid catalyst (p-toluenesulfonic acid) 0.1kg, orchid vanilla 20kg, flat wood 10kg, fragrant papaya 15kg.

[0040] The preparation method of described antibacterial modified back paint, the steps are:

[0041] 1) Take orchid vanilla, flat wood and fragrant papaya, grind them to 50 mesh, use analytically pure ethanol to extract for 3 hours, and filter out the filter residue to obtain the antibacterial liquid;

[0042] 2) Dissolving the polyester resin in a solvent to obtain a p...

Embodiment 3

[0045] An antibacterial modified back paint, consisting of the following components: polyester resin 30kg, solvent (the solvent is a mixed solvent of DBE and PMA, the weight ratio of DBE and PMA is 2:1) 20kg, dispersant (SU263 macromolecule block Copolymer dispersant) 1kg, anti-settling agent (organic bentonite) 1kg, rutile titanium dioxide 35kg, precipitated barium sulfate 10kg, 40wt% 609 epoxy liquid 40kg, hemimethylated amino resin 20kg, 5265 urea-formaldehyde resin 5kg, attached Accelerator (LTW) 5kg, acid catalyst (dodecylbenzene sulfonic acid) 1.5kg, orchid vanilla 30kg, flat wood 20kg, fragrant grass 30kg.

[0046] The preparation method of described antibacterial modified back paint, the steps are:

[0047] 1) Take orchid vanilla, flat wood and fragrant papaya, grind them to 100 mesh, use analytically pure ethanol to extract for 5 hours, after the extraction is completed, filter off the filter residue to obtain an antibacterial solution;

[0048] 2) Dissolving the pol...

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PUM

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Abstract

The invention discloses an antibacterial modified back paint, which belongs to the field of paints. The present invention consists of the following components: 10-30 parts of polyester resin, 6-20 parts of solvent, 0.1-1 part of dispersant, 0.1-1 part of anti-sedimentation agent, 10-35 parts of rutile titanium dioxide, 2 parts of precipitated barium sulfate ‑10 parts, 15‑40 parts of epoxy solution, 5‑20 parts of hemimethylated amino resin, 1‑5 parts of urea-formaldehyde resin, 1‑5 parts of adhesion promoter, 0.1‑1.5 parts of acid catalyst, 20 parts of blue vanilla 30 parts, 10-20 parts of flat wood, 15-30 parts of fragrant herbs. The paint film produced by the antibacterial modified back paint of the present invention has a hardness of 4-5H, good flexibility, a T-bend of 2-3T, good adhesiveness and a recoil of 9J. The extracts of orchid vanilla, flat wood and Chinese herbal medicine are used as antibacterial components, which can inhibit or kill most bacteria or viruses, and have good antibacterial effect and are non-toxic.

Description

technical field [0001] The invention relates to the field of paints, in particular to an antibacterial modified back paint. Background technique [0002] In various fields, paints are widely used, and as people pay more attention to health, the functionalization and environmental protection of paints are gradually accepted by the market. [0003] There are a large number of bacteria and virus microorganisms in the environment, which will not only affect human health, but also have a greater impact on the quality of the coating film formed by the paint. [0004] The existing commercially available antibacterial modified back paint uses antibacterial metal ions (silver ions, copper ions, etc.) Slowly permeate out of the medium, so that the entire surface is covered with positively charged metal ions. When the bacteria touch the surface, the negatively charged bacterial cells will attract the metal ions into the cell body, and closely combine with the negatively charged chemic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/00C09D163/00C09D161/32C09D161/24C09D7/61C09D7/62C09D7/65C09D5/14
Inventor 王前李清国
Owner 山东富海材料科技有限公司
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