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Weathering anticorrosive resin for improving crosslink density of coating film, preparation method and application thereof

A technology of cross-linking density and anti-corrosion resin, applied in the direction of anti-corrosion coatings, etc., can solve problems such as difficult to meet the mechanical coating requirements of tobacco, tobacco deterioration, etc., achieve good weather resistance, increase cross-linking density, and simple synthesis process

Inactive Publication Date: 2018-12-18
ANQING LINGHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because tobacco itself is very easy to absorb various odors and other substances, the tobacco machinery coated with the above-mentioned traditional polyurethane topcoat can easily cause the tobacco to absorb chemical odors and deteriorate during the use of tobacco production.
Due to the above-mentioned defects of traditional polyurethane topcoats, it is difficult for traditional polyurethane topcoats to meet the coating requirements of tobacco machinery

Method used

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  • Weathering anticorrosive resin for improving crosslink density of coating film, preparation method and application thereof
  • Weathering anticorrosive resin for improving crosslink density of coating film, preparation method and application thereof
  • Weathering anticorrosive resin for improving crosslink density of coating film, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A weather-resistant and anti-corrosion resin for improving the crosslinking density of the coating film, including component one and component two; the specific weight parts are shown in the following table:

[0028]

[0029]

[0030] The preparation method of the weather-resistant and anti-corrosion resin for improving the cross-linking density of the coating film, the steps include:

[0031] (1) Put glycerin, lauric acid, maleic anhydride, and xylene in component 1 into the reaction kettle according to the formula amount, raise the temperature to 190°C and keep the acid value ≤ 10mgKOH / g, then cool down to below 100°C and put into Butyl acetate obtains base resin for subsequent use;

[0032] (2) Take out half of the amount of TBPB in component 2 according to the formula amount, and add styrene, methyl methacrylate, and butyl methacrylate into the dripping kettle, stir evenly to obtain mixed monomers for later use, and the stirring speed 80r / min;

[0033] (3) R...

Embodiment 2

[0035] A weather-resistant and anti-corrosion resin for improving the crosslinking density of the coating film, including component one and component two; the specific weight parts are shown in the following table:

[0036]

[0037]

[0038] The preparation method of the weather-resistant and anti-corrosion resin for improving the cross-linking density of the coating film, the steps include:

[0039] (1) Put glycerin, lauric acid, maleic anhydride, and xylene in component 1 into the reaction kettle according to the formula amount, raise the temperature to 200°C and keep the acid value ≤ 10mgKOH / g, then cool down to below 100°C and put in Butyl acetate obtains base resin for subsequent use;

[0040] (2) Take out half of the amount of TBPB in component 2 according to the formula amount, and add styrene, methyl methacrylate, and butyl methacrylate into the dripping kettle, stir evenly to obtain mixed monomers for later use, and the stirring speed 90r / min;

[0041] (3) Rai...

Embodiment 3

[0043] A weather-resistant and anti-corrosion resin for improving the crosslinking density of the coating film, including component one and component two; the specific weight parts are shown in the following table:

[0044]

[0045] The preparation method of the weather-resistant and anti-corrosion resin for improving the cross-linking density of the coating film, the steps include:

[0046] (1) Put glycerin, lauric acid, maleic anhydride, and xylene in component 1 into the reaction kettle according to the formula amount, raise the temperature to 210°C and keep the acid value ≤ 10mgKOH / g, then cool down to below 100°C and put into Butyl acetate obtains base resin for subsequent use;

[0047] (2) Take out half of the amount of TBPB in component 2 according to the formula amount, and add styrene, methyl methacrylate, and butyl methacrylate into the dripping kettle, stir evenly to obtain mixed monomers for later use, and the stirring speed 100r / min;

[0048] (3) Raise the te...

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Abstract

The invention provides weathering anticorrosive resin for improving crosslink density of a coating film. The weathering anticorrosive resin comprises a component one and a component two; wherein component one comprises the following materials in parts by weight: 30-40 of glycerin, 30-35 of lauric acid, 2-4 of maleic anhydride, 3-5 of xylene, and 35-40 of butyl acetate; and the component two comprises the following raw materials in parts by weight: 0.1-0.2 parts of TBPB, 5-10 parts of styrene, 25-30 parts of methyl methacrylate, 15-20 parts of butyl methacrylate, and 10-20 parts of butyl acetate. The weathering anticorrosive resin reduces the odor residue of the non-volatile chemical, improves the weathering and corrosion resistance of the resin, and can be used for preparing a mechanical anticorrosive decorative topcoat.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a weather-resistant and anti-corrosion resin for improving the crosslinking density of a coating film, a preparation method and an application thereof. Background technique [0002] The coating finish of tobacco machinery usually adopts polyurethane topcoat. The paint film after curing of polyurethane topcoat has good chemical corrosion resistance, weather resistance and scratch resistance, so it is widely used in the field of tobacco machinery coating. However, the traditional polyurethane topcoat has defects such as heavy odor during construction, residual chemical odor in the dried paint film, and substandard heavy metal content. Because tobacco itself is very easy to absorb various odors and other substances, the tobacco machinery coated with the above-mentioned traditional polyurethane topcoat is easy to cause the tobacco to absorb chemical odors and deteriorate du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/01C08F220/14C08F212/08C08F220/18C08G63/52
CPCC08F283/01C08G63/52C09D5/08C09D133/12C08F220/14
Inventor 周文杰
Owner ANQING LINGHU PAINT
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