Corrosion-free and scratch-free metal paint remover as well as preparation method and application thereof

A paint remover and non-corrosion technology, applied in the direction of chemical paint/ink remover, coating, etc., can solve the problems of scratching the substrate, affecting the appearance, affecting the secondary coating, etc., achieving low cost and improving efficiency , long-lasting antibacterial effect

Active Publication Date: 2017-11-17
山东天智信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] During use, it is found that although abrasive particles can improve the efficiency of manual paint removal, due to the high hardness of silicon oxide or aluminum oxide, it is very difficult to

Method used

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  • Corrosion-free and scratch-free metal paint remover as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Embodiment 1-3 provides a kind of non-corrosion non-scratch metal paint remover, and its preparation steps are as follows: Deionized water is slightly heated to 40~50 o C, then slowly add the viscous agent, stir at 200~300r / min for 20min to completely dissolve, then add carbon dioxide nanotubes, surfactants and bactericides in sequence, continue to stir until a uniform brown-yellow solution is obtained, cool down, and then Add the main solvent, co-solvent, penetrant, stabilizer, and ethanol in sequence, seal the reactor, and keep stirring at room temperature for 2-4 hours to obtain a non-corrosive and non-scratch metal paint remover. The steps for preparing the inorganic additive oxidized carbon nanotubes are as follows: 10 g of carbon nanotubes are placed in a 250 mL flask, and 60 mL of H2O with a mass fraction of 98% is added. 2 SO 4 and 15 mL of HNO with a mass fraction of 40% 3 , ultrasonic vibration for 60min, then stirring, 100 o Under the condition of C water ...

Embodiment 2

[0074] A kind of non-corrosion non-scratch metal paint remover, its component consists of:

[0075] Main solvent: N-methylpyrrolidone: methyl benzoate=1:1.5, 40wt.%;

[0076] Co-solvent: benzyl alcohol, 8.5wt.%;

[0077] Inorganic additive: oxidized carbon nanotube solution, 20wt.%;

[0078] Thickener: one or more of methylcellulose, polyacrylamide, carboxymethylcellulose, hydrated lithium magnesium silicate, 1.5wt.%;

[0079] Penetrant: one or both of nonylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether, 1.5wt.%;

[0080] Surfactant: one or more of cetyltrimethylammonium bromide, polyoxyethylene sorbitan fatty acid ester, dodecylethoxysulfobetaine, 2wt.%;

[0081] Stabilizer: 2,2'-methylenebis(4-methyl-6-tert-butylphenol): 0.75wt.%;

[0082] Fungicide: isothiazolinone, 0.75wt.%;

[0083] The rest is a mixture of deionized water and ethanol with a volume ratio of 3:1, which is marked as sample No. 2.

Embodiment 3

[0085] A kind of non-corrosion non-scratch metal paint remover, its component consists of:

[0086] Main solvent: N-methylpyrrolidone: methyl benzoate=1: 2, 45wt.%;

[0087] Cosolvent: benzyl alcohol, 12wt.%;

[0088] Inorganic additive: oxidized carbon nanotube solution, 30wt.%;

[0089] Thickener: one or more of methylcellulose, polyacrylamide, carboxymethylcellulose, hydrated lithium magnesium silicate, 2wt.%;

[0090] Penetrant: one or both of nonylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether, 2wt.%;

[0091] Surfactant: one or more of cetyltrimethylammonium bromide, polyoxyethylene sorbitan fatty acid ester, dodecylethoxysulfobetaine, 3wt.%;

[0092] Stabilizer: 2,2'-methylenebis(4-methyl-6-tert-butylphenol): 1wt.%;

[0093] Fungicide: isothiazolinone, 1wt.%

[0094] The rest is a mixture of deionized water and ethanol with a volume ratio of 3:1, which is marked as sample No. 3.

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Abstract

The invention provides a paint remover. The paint remover is convenient and simple to use and can be used for effectively cleaning various common paint layers; the paint remover has no corrosion damages to a base material and relatively small volatility; when being used, the paint remover has no damages to human bodies; the paint remover does not contain attached matters including paraffin, kerosene and the like, so that the paint layers are conveniently sprayed for the second time; an added inorganic additive, namely a carbon oxide nanotube, can be used for improving the efficiency of wiping the paint layers and any scratch to the base material is not caused; the paint remover is safe and environmentally friendly and does not contain a chlorinated hydrocarbon type organic solvent, and a washing agent has relatively low cost; the paint remover has no corrosion to a metal base material; the paint remover has antibacterial performance and high stability.

Description

technical field [0001] The invention relates to a non-corrosion and non-scratch metal paint remover, a preparation method and application thereof, and belongs to the technical field of paint remover cleaning agents. Background technique [0002] In our daily life and industrial production, metal products do not need the decoration and protection of coatings. Coatings, such as paint layers, have three functions of corrosion inhibition, shielding and electrochemical protection, and are convenient for construction and have good anti-corrosion effects. widely used. However, in real life, under environmental effects and physical and mechanical effects, with the prolongation of service time, the coating often has local or large area failures, such as loss of gloss, powdering, peeling, cracks, scratches, substrate corrosion, etc. The service life of the substrate is shortened, or accidental defects such as orange peel, cracks, and pulverization inevitably occur during the coating ...

Claims

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Application Information

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IPC IPC(8): C09D9/04C09D9/00
CPCC09D9/005C09D9/04
Inventor 白林森梁莲芝
Owner 山东天智信息科技有限公司
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