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Protective coating and preparation method thereof

A technology of protective coatings and epoxy resins, applied in the direction of epoxy resin coatings, coatings, etc., can solve the problems of destroying the paint film of anti-graffiti and anti-sticking coatings, high cost, etc., and achieve the effect of low cost, simple processing and high hardness

Inactive Publication Date: 2012-07-11
王伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Two problems were found in the practical application of municipal engineering: 1. The cost is too high; 2. When using a general-purpose paint remover to remove self-painted small black advertisements and polyurethane paint graffiti, it will destroy the paint film of the anti-graffiti and anti-stick coating

Method used

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  • Protective coating and preparation method thereof
  • Protective coating and preparation method thereof
  • Protective coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Embodiments of the present invention provide a protective coating and a preparation method thereof, the protective coating is a transparent coating with anti-sticking and anti-graffiti functions.

[0053] The protective paint comprises the following components by weight percentage:

[0054]

[0055] Preferably, the epoxy resin diluent can use a reactive diluent, such as one or more of C12-14 fatty glycidyl ether, D-691 propylene oxide o-cresyl ether or o-cresyl glycidyl ether .

[0056] Preferably, the epoxy resin antioxidant can be compounded with epoxy anti-yellowing agent V78-P, epoxy anti-yellowing agent V85-P, and antioxidant 235.

[0057] Preferably, the curing agent can be HB-8138, which is a modified alicyclic amine epoxy curing agent. It has low viscosity, high reactivity, light color, fast curing, good surface effect, good weather resistance, excellent oxidation resistance and light and heat stability.

[0058] The preparation method of the above-mention...

Embodiment 2

[0060] Embodiments of the present invention provide a protective coating and a preparation method thereof, wherein the protective coating is a white coating with anti-sticking and anti-graffiti functions.

[0061] The protective paint comprises the following components by weight percentage:

[0062]

[0063] Preferably, the epoxy resin diluent can use a reactive diluent, such as one or more of C12-14 fatty glycidyl ether, D-691 propylene oxide o-cresyl ether or o-cresyl glycidyl ether .

[0064] Preferably, the epoxy resin antioxidant can use one or more of epoxy anti-yellowing agent V78-P, epoxy anti-yellowing agent V85-P, antioxidant 235, and the use of titanium dioxide can be Reduce the amount of anti-yellowing agent used.

[0065] Preferably, the curing agent can be HB-8138, which is a modified alicyclic amine epoxy curing agent. It has low viscosity, high reactivity, light color, fast curing, good surface effect, good weather resistance, excellent oxidation resistan...

Embodiment 3

[0069] Embodiments of the present invention provide a protective paint and a preparation method thereof. The protective paint is a light gray paint with anti-sticking and anti-graffiti functions.

[0070] The protective paint comprises the following components by weight percentage:

[0071]

[0072]

[0073] Preferably, the epoxy resin diluent can use a reactive diluent, such as one or more of C12-14 fatty glycidyl ether, D-691 propylene oxide o-cresyl ether or o-cresyl glycidyl ether .

[0074] Preferably, the epoxy resin antioxidant can be compounded with epoxy anti-yellowing agent V78-P, epoxy anti-yellowing agent V85-P, and antioxidant 235.

[0075] Preferably, the curing agent can be HB-8138, which is a modified alicyclic amine epoxy curing agent. It has low viscosity, high reactivity, light color, fast curing, good surface effect, good weather resistance, excellent oxidation resistance and light and heat stability.

[0076] Preferably, the titanium dioxide can b...

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PUM

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Abstract

The invention relates to a protective coating. The protective coating comprises the following components in percentage by weight: 30 to 45 percent of epoxy resin, 1.5 to 3 percent of paraffin, 4.5 to 7 percent of microcrystalline wax, 3.5 to 5 percent of oxidized polyethlene wax, 0.5 to 1 percent of polytetrafluoroethylene micropowder, 25 to 30 percent of epoxy resin diluent, 0.1 to 1 percent of epoxy resin antioxidant, 0.2 to 2 percent of ultraviolet absorbent, 0.1 to 2 percent of accelerator dimethyl phthalate (DMP)-30 and 18 to 25 percent of curing agent. The protective coating which is easy to process and low in cost can prevent illegal advertisements and adhesive paper. The invention also provides a preparation method for the protective coating.

Description

technical field [0001] The invention relates to a protective coating and a preparation method thereof, belonging to the technical field of building exterior wall surface materials. The protective coating is an anti-graffiti and anti-sticking coating applied to the surface of an external wall and has strong solvent scrubbing resistance. Background technique [0002] The poles and walls on both sides of urban roads are not easy to clean or peel off after being polluted by black advertisements and small stickers. Black advertisements can only be covered with ordinary paint, and rough walls are used to prevent small stickers from sticking. The anti-graffiti and anti-stick coatings that have appeared on the market mainly use fluorosilicone resin, fluorocarbon resin or acrylic resin as the main formula and add various additives to achieve low surface energy to achieve related effects. [0003] In the Chinese Patent Application Publication No. CN 101407691A, a patent document call...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D7/12C09D5/00
Inventor 王伟
Owner 王伟
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