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Short-oil-length alkyd resin and matte varnish

A technology of alkyd resin and short oil, which is applied in coatings, polyester coatings, etc., which can solve the problems of shortened paint film time, easy scratches and other problems, so as to achieve fast drying speed, reduce easy scratches, and paint Membrane stabilization speed effect

Inactive Publication Date: 2012-03-21
SHANGHAI CHANGRUNFA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a new alkyd resin and the alkyd resin coating prepared by using the alkyd resin. The special short-oil alkyd resin is used to adjust the drying speed of the paint film, so that the surface layer of the paint film is quickly stabilized, and the moisture content is reduced. The time for the paint film to act is shortened, thereby solving the problem of the traditional alkyd resin paint being easily scratched

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] In this example, the oil degree of the designed short oil alkyd resin is 30.1%. According to the oil degree, soybean oleic acid, phthalic anhydride, pentaerythritol and ethylene glycol are polycondensed, and the polycondensation method can be implemented by using the existing technology in the art.

[0050] Among them, the molar ratio of pentaerythritol and ethylene glycol is 10:7.

[0051] Matt clear finish paint component is as follows in the present embodiment:

[0052] 75 parts by weight of the above-mentioned short oil alkyd resin;

[0053] Solvent 12 parts by weight.

Embodiment 2

[0055] In this example, the oil degree of the designed short oil alkyd resin is 30.1%. According to the oil degree, soybean oleic acid, phthalic anhydride, pentaerythritol and ethylene glycol are polycondensed, and the polycondensation method can be implemented by using the existing technology in the art.

[0056] Among them, the molar ratio of trimethylolpropane and ethylene glycol is 10:7.

[0057] Matt clear finish paint component is as follows in the present embodiment:

[0058] 78 parts by weight of the above-mentioned short oil alkyd resin;

[0059] Solvent 12 parts by weight.

[0060] Filler 7~9 parts by weight;

[0061]1-3 parts by weight of auxiliary agent.

Embodiment 3

[0063] In this example, the oil degree of the designed short oil alkyd resin is 30.1%. According to the oil degree, soybean oleic acid, phthalic anhydride, a small amount of maleic anhydride, and pentaerythritol and ethylene glycol are polycondensed, and the polycondensation method can be implemented by using the existing technology in the field.

[0064] Among them, the molar ratio of pentaerythritol and ethylene glycol is 10:7.

[0065] Matt clear finish paint component is as follows in the present embodiment:

[0066] 78 parts by weight of the above-mentioned short oil alkyd resin;

[0067] Solvent 12 parts by weight.

[0068] Filler 7~9 parts by weight;

[0069] 1-3 parts by weight of auxiliary agent.

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PUM

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Abstract

The invention provides a short-oil-length alkyd resin and a matte varnish utilizing the short-oil-length alkyd resin as a key film-forming material. The oil length of the short-oil-length alkyd resin is 30% to 30.5%, and when the matte varnish is in synthesis, part of ethylene glycol is added to adjust functionality so a to achieve the goal of improvement of molecular weight. The matte varnish solves the problem that a traditional short-oil-length alkyd resin coating often grows dim and is scratched easily in autumn and winter seasons.

Description

technical field [0001] The invention relates to an alkyd resin and a clear finish paint prepared by using the alkyd resin, in particular to a short-oil alkyd resin and a non-blooming matte clear paint prepared by using the short-oil alkyd resin top coat. Background technique [0002] Alkyd resin is a polymer with relatively low molecular weight, which is prepared by esterification of polybasic acid and polyalcohol, and modified with oil or fatty acid. During air drying, the unsaturated fatty acids can be oxidized to form a cross-linked network. [0003] With the soaring price of oil and the increasing shortage of energy sources, alkyd resin coatings, which are less dependent on oil, are increasingly showing their superiority. Moreover, with the increasing restrictive regulations on VOC emissions, alkyd resin emulsions can be used in water. Alternatives to organic solvents, and thus an effective tool for reducing VOC content, are now widely used in the production of high-qu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C08G63/49
Inventor 蒲泽攀
Owner SHANGHAI CHANGRUNFA PAINT
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