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, achieve good antibacterial effect, non-toxic antibacterial effect, inhibit or kill bacteria or viruses

Active Publication Date: 2015-12-09
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 lo

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, and belongs to the field of paints. The antibacterial modified back paint comprises 10-30 parts of polyester resin, 6-20 parts of a solvent, 0.1-1 part of a dispersant, 0.1-1 part of an anti-settling agent, 10-35 parts of rutile titanium dioxide, 2-10 parts of precipitated barium sulfate, 15-40 parts of an epoxy solution, 5-20 parts of semi-etherified amino resin, 1-5 parts of urea-formaldehyde resin, 1-5 parts of an adhesion promoter, 0.1-1.5 parts of an acid catalyst, 20-30 parts of common bluebeard herb, 10-20 parts of Japanese ardisia and 15-30 parts of Herb of Hairystalk Loosestrife. A paint film produced by using the antibacterial modified back paint has a hardness reaching 4-5H, good flexibility, T bending of 2-3T, and back flush of 9J. Extract products of common bluebeard herb, Japanese ardisia and Herb of Hairystalk Loosestrife can inhibit or kill most bacteria or viruses as antibacterial components, and have the advantages of good antibacterial effect and non-toxicity.

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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IPC IPC(8): C09D167/00C09D163/00C09D161/32C09D161/24C09D7/12C09D5/14
Inventor 王前李清国
Owner 山东富海材料科技有限公司
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