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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, its performance and volatilization speed are effectively improved, and toluene pollution is avoided, thereby eliminating the defects in the above-mentioned background technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The environmentally friendly diluent for automotive refinish paint consists of the following components 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, and 3 parts by weight of 100# aromatic solvent naphtha.

[0028] Component selection: each component of the automotive refinish paint thinner is a commercially available industrial grade chemical product. Methanol, transparent liquid, content ≥ 99.5%, moisture ≤ 0.1%. Methyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Ethyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Secondary butyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Butyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Xylene, transparent liquid, content ≥ 88.0%, moisture ≤ 0.1%. 100# Aromatic solvent ...

Embodiment 2

[0032] The environmentally friendly diluent for automotive refinish paint consists of the following components 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, and 10 parts by weight of 100# aromatic solvent naphtha.

[0034] Component selection: each component of the automotive refinish paint thinner is a commercially available industrial grade chemical product. Methanol, transparent liquid, content ≥ 99.5%, moisture ≤ 0.1%. Methyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Ethyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Secondary butyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Butyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Xylene, transparent liquid, content ≥ 88.0%, moisture ≤ 0.1%. 100# Aromatic solvent ...

Embodiment 3

[0038] The environmentally friendly diluent for automotive refinish paint consists of the following components 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, and 3 parts by weight of 100# aromatic solvent naphtha.

[0040] Component selection: each component of the automotive refinish paint thinner is a commercially available industrial grade chemical product. Methanol, transparent liquid, content ≥ 99.5%, moisture ≤ 0.1%. Methyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Ethyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Secondary butyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Butyl acetate, transparent liquid, content ≥ 99.0%, moisture ≤ 0.1%. Xylene, transparent liquid, content ≥ 88.0%, moisture ≤ 0.1%. 100# Aromatic solvent oi...

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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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