Paint remover

A paint remover and weight technology, applied in the direction of chemical paint/ink remover, coating, etc., can solve the problem of poor removal effect, achieve fast paint removal speed, simple production method and good effect

Inactive Publication Date: 2012-02-08
太仓市联林活性炭厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are mechanical methods to remove the old paint film. Nowadays, paint strippers are mostly used for stripping paint. However, the functions of paint strippers on the market are relatively common. They can be used to remove various paints, but the removal effect is not very good, so if There are professional paint removers that can efficiently remove targeted paint, which will become a market demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Carry out the preparation of paint stripper by following formula (W%):

[0011] Dichloromethane: 65%, formic acid: 12%, ethanol: 15%, methanol: 8%.

[0012] At room temperature, the above raw materials are mixed and stirred evenly, and the product is a colorless transparent liquid. The acrylic paint with adhesion level 2 can be removed within 1-2 minutes after using this paint remover, without damage to the substrate, and the paint removal area can reach more than 99%.

Embodiment 2

[0014] Carry out the preparation of paint stripper by following formula (W%):

[0015] Dichloromethane: 70%, formic acid: 15%, ethanol: 10%, methanol: 5%.

[0016] At room temperature, the above raw materials are mixed and stirred evenly, and the product is a colorless transparent liquid. The acrylic paint with adhesion level 1 can be removed within 1-2 minutes after using this paint remover, without damaging the substrate, and the paint removal area can reach more than 99%.

Embodiment 3

[0018] Carry out the preparation of paint stripper by following formula (W%):

[0019] Dichloromethane: 75%, formic acid: 17%, ethanol: 5%, methanol: 3%.

[0020] At room temperature, the above raw materials are mixed and stirred evenly, and the product is a colorless transparent liquid. The acrylic paint with adhesion level 3 can be removed within 1 minute after using this paint remover, without damage to the substrate, and the paint removal area can reach more than 99%.

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PUM

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Abstract

The invention discloses a paint remover which comprises the following components in percentage by weight: 60-80% of dichloromethane, 10-20% of formic acid, 5-15% of ethanol and 3-8% of methanol. The paint remover disclosed by the invention can be used for professionally removing acrylic paint, has the advantages of high paint removal speed, favorable effect, slight corrosion to the substrate, simple raw materials, low cost and simple preparation method, and is suitable for large-scale production.

Description

technical field [0001] The invention belongs to the technical field of paint removers, in particular to a paint remover specially used for removing acrylic paints. Background technique [0002] Acrylic paint has excellent performance and is widely used in various fields, such as metals, bridges, electrical appliances, etc., and these objects will be corroded and mechanically damaged by various corrosive media during long-term use, aging, cracking, cracking, etc. Peeling and peeling will cause the paint film to lose its protective and decorative effect. If you want to repaint, you need to remove the old paint film. There are mechanical methods to remove the old paint film. Nowadays, paint strippers are mostly used for stripping paint. However, the functions of paint strippers on the market are relatively common. They can be used to remove various paints, but the removal effect is not very good, so if There are professional paint removers that can efficiently remove targeted ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D9/00C09D133/00
Inventor 薛剑平
Owner 太仓市联林活性炭厂
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