Environment-friendly thinner for automotive refinishing paint and preparation method of environment-friendly thinner

A technology for automotive refinish paint and thinner, which is applied in the direction of coating to achieve the effects of uniform volatilization speed, good leveling effect and low production cost

Inactive Publication Date: 2014-10-08
WEIFANG YIXING CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide an environmentally friendly diluent for automotive refinish paint and its preparation method, i

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025] Example 1

[0026] The environmentally friendly thinner for automotive refinishing paint consists of the following parts by weight:

[0027] 13 parts by weight of methanol, 22 parts by weight of methyl acetate, 23 parts by weight of ethyl acetate, 17 parts by weight of sec-butyl acetate, 10 parts by weight of butyl acetate, 15 parts by weight of xylene, 3 parts by weight of 100# aromatic solvent oil.

[0028] Component selection: The components of the automotive refinish paint thinner are all commercially available industrial grade chemical products. Methanol, transparent liquid, content ≥99.5%, moisture content ≤0.1%. Methyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Ethyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Sec-butyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Butyl acetate, transparent liquid, content≥99.0%, moisture content≤0.1%. Xylene, transparent liquid, content ≥88.0%, moisture con...

Example Embodiment

[0031] Example 2

[0032] The environmentally friendly thinner for automotive refinishing paint consists of the following parts by weight:

[0033] 5 parts by weight of methanol, 10 parts by weight of methyl acetate, 22 parts by weight of ethyl acetate, 33 parts by weight of sec-butyl acetate, 18 parts by weight of butyl acetate, 17 parts by weight of xylene, 10 parts by weight of 100# aromatic solvent oil.

[0034] Component selection: The components of the automotive refinish paint thinner are all commercially available industrial grade chemical products. Methanol, transparent liquid, content ≥99.5%, moisture content ≤0.1%. Methyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Ethyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Sec-butyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Butyl acetate, transparent liquid, content≥99.0%, moisture content≤0.1%. Xylene, transparent liquid, content ≥88.0%, moisture con...

Example Embodiment

[0037] Example 3

[0038] The environmentally friendly thinner for automotive refinishing paint consists of the following parts by weight:

[0039] 5 parts by weight of methanol, 10 parts by weight of methyl acetate, 5 parts by weight of ethyl acetate, 28 parts by weight of sec-butyl acetate, 25 parts by weight of butyl acetate, 47 parts by weight of xylene, 3 parts by weight of 100# aromatic solvent oil.

[0040] Component selection: The components of the automotive refinish paint thinner are all commercially available industrial grade chemical products. Methanol, transparent liquid, content ≥99.5%, moisture content ≤0.1%. Methyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Ethyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Sec-butyl acetate, transparent liquid, content ≥99.0%, moisture content ≤0.1%. Butyl acetate, transparent liquid, content≥99.0%, moisture content≤0.1%. Xylene, transparent liquid, content ≥88.0%, moisture conte...

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Abstract

The invention relates to an environment-friendly thinner for an automotive refinishing paint and a preparation method of the environment-friendly thinner. The environment-friendly thinner comprises the following components in parts by weight: 5-70 parts of methanol, 10-40 parts of methyl acetate, 5-40 parts of ethyl acetate, 10-50 parts of sec-butyl acetate, 5-30 parts of butyl acetate, 5-55 parts of xylene, 3-35 parts of No.100 aromatic solvent oil. The environment-friendly thinner disclosed by the invention is free of benzene and toluene solvents, the production cost is low, and the production process is simple, no waste water and waste slag are discharged in the production process, a small amount of volatile gases are in line with the national emission standards. Meanwhile, the thinner has the advantages of strong dissolving capacity and uniform volatilization speed and the paint film has good leveling effect.

Description

technical field [0001] The invention relates to a paint thinner, in particular to an environment-friendly thinner for automobile repair paint and a preparation method thereof. Background technique [0002] At present, the main function of automotive paint thinner is to improve the adhesion of the paint film, reduce the viscosity of the paint film, facilitate spraying, and increase the smoothness of the paint film. [0003] Some car refinish paint thinners currently on the market contain toluene. For example, the composition and weight percentage ratio of a kind of car refinish paint thinner is: ethyl acetate 10%, sec-butyl acetate 15%, toluene 75%. Another example is the composition and weight percentage distribution ratio of a kind of car refinish paint thinner: toluene 64%, butyl acetate 36%. The toluene in these diluents can enter the human body through the skin and respiratory tract. Long-term exposure can cause neurasthenia syndrome, hepatomegaly, dry skin, chapped, de...

Claims

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Application Information

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IPC IPC(8): C09D7/00
Inventor 于丙芹袁学芹王冕孙帅
Owner WEIFANG YIXING CHEM TECH
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