Composition for cleaning paint film

A technology of composition and coating film, applied in the field of composition for cleaning coating film, can solve the problems of workpiece deformation, easy corrosion, damage and the like

Active Publication Date: 2016-12-07
HAIAN GASOLINEEUM SCI RES INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The effect is not ideal, and it is easy to cause deformation and damage to the workpiece, while the use of a release agent containing formic acid is easy to corrode
Therefore, when spraying these powder coating jobs, once damaged or removed due to substandard quality, it is very difficult to repaint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Diethylene glycol amine 55%

[0021] Prenol 20%

[0022] Trifluoroethylene ether 10%

[0023] Hexamethyldisiloxane 6%

[0024] Hexaalkylphenoxypolyethoxybutanol 7%

[0025] Powdered Sodium Hydroxide 2%.

[0026] Immerse the powder epoxy coating coated with 1mm in the above cleaning agent at a temperature of 45°C. After 10 minutes, the coating film will automatically dissolve and fall off, and the substrate will not be damaged.

Embodiment 2

[0028] Diethylene glycol amine 45%

[0029] Prenol 30%

[0030] Trifluoroethylene ether 5%

[0031] Hexamethyldisiloxane 10%

[0032] Hexaalkylphenoxypolyethoxybutanol 6%

[0033] Powdered Sodium Hydroxide 4%.

[0034] Immerse the solvent-based acrylic resin coating coated with 1.5mm in the above coating at a temperature of 50 degrees Celsius. After 8 minutes, the coating film dissolves and falls off, and the substrate is not damaged.

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PUM

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Abstract

The invention discloses a composition for cleaning paint coating films, which is composed of the following components in weight percent: 45-55% of diglycolamine, 20-30% of isopentenol, and 5-10% of trifluoroethylene ether , hexamethyldisiloxane 6‑13%, hexaalkylphenoxy polyethoxybutanol 2‑8%, powdered sodium hydroxide 2‑5%, the sum of each component is 100%, can Quickly and easily remove the coating film on the substrate.

Description

technical field [0001] The invention relates to a composition for cleaning paint coating films. Background technique [0002] The existing unsaturated resin coating is generally cleaned by propylene solution, which is expensive and unsuitable for cleaning packaging containers. Also have to adopt other expensive chemical reagent solutions, general popularization and application is subjected to the restriction of high cost, and has a lot of chemical reagents that can clean unsaturated resin coating and also has polluting environment, should not be widely popularized and used. [0003] The release agent in the prior art can remove oil-based paint, nitro paint, alkyd paint, etc. Commonly used T1, T2 and other release agents at home and abroad are composed of toluene, acetone, xylene, ethanol, paraffin and other organic substances. These release agents are extremely difficult to remove polyester, epoxy or polyester epoxy electrostatic spray powder coatings. [0004] Since thes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D9/04
Inventor 金雪松
Owner HAIAN GASOLINEEUM SCI RES INSTR
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