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Neutral multifunctional paint remover and manufacturing method thereof

A multi-functional, paint remover technology, applied in the direction of chemical paint/ink remover, coating, etc., can solve the problems of strong environmental pollution, easy damage to the surface of the workpiece, and affect the quality of repainting, so as to achieve fast paint removal, Remove the effect completely

Inactive Publication Date: 2004-04-14
MOER ENVIRONMENTAL PROTECTION MATERIAL CHANGSHA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, people usually use artificial eradication, sandblasting and other technological means to remove old paint. These construction methods are labor-consuming and time-consuming, strongly pollute the environment, and are easy to damage the surface of the workpiece. Moreover, the old paint film is not completely removed, which seriously affects repainting quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Example 1: Weigh 70 parts by weight of dichloromethane and put it into a steel container, add 4 parts by weight of liquid paraffin, stir evenly, let stand still for 10 minutes, then add 2 parts by weight of anhydrous methanol, and wait for the solution to dissolve evenly Finally, add 10 parts by weight of ethylene glycol ether, then add 3 parts by weight of n-propanol, then add 1 part by weight of methylcellulose, 0.2 parts by weight of Tx-10 and 9.8 parts by weight of water, and then the whole mixed solution Put it into a colloid mill, grind it into gel, adjust the pH of the obtained solvent to 7.0, and pack it in a container.

Embodiment 2

[0009] Embodiment 2: get the dichloromethane of 75 parts by weight, the liquid paraffin of 2 parts by weight, the anhydrous methanol of 1.5 parts by weight, the ethylene glycol ethyl ether of 8 parts by weight, the n-propanol of 2 parts by weight, the methyl alcohol of 1.8 parts by weight Cellulose, 0.2 parts by weight of Tx-10 and 9.5 parts by weight of water, the rest are the same as in Example 1, and the pH of the obtained solvent is adjusted to 7.0.

Embodiment 3

[0010] Embodiment 3: get the dichloromethane of 72 weight parts, the liquid paraffin of 3 weight parts, the anhydrous methanol of 1 weight part, the ethylene glycol ethyl ether of 9 weight parts, the n-propanol of 4 weight parts, 1.5 weight parts methyl Cellulose, 0.1 parts by weight of Tx-10 and 9.4 parts by weight of water, the rest are the same as in Example 1, and the pH of the obtained solvent is adjusted to 7.5.

[0011] The neutral multifunctional paint remover prepared by the present invention can reach the following technical indicators after testing:

[0012] PH=6.5-7.5 or so, open flash point: 40°C;

[0013] It can remove the second layer of epoxy resin paint film with first-grade adhesion in 4-5 minutes after using this paint remover; it can remove the second layer of acrylic alcohol sun-resistant paint film with first-grade adhesion before using this paint remover It can be removed after 3-4 minutes; it can remove the second layer of phenolic polyurethane, the se...

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Abstract

The present invention relates to a neutral multifunctional paint remover and its preparation method. The composition comprises dichloromethane, absolute methanol, glycol monoethyl ether, n-propanol, liquid paraffin, methyl cellulose, Tx-10 and water, and its preparation method includes the following steps: placing the dichloromethane into a steel container, adding liquid paraffin according to the defined proportion, fully stirring, standing still for 8-12 min, adding absolute methanol, uniformly dissolving, then adding glycol monoethyl ether, n-propanol, methyl cellulose, Tx-10 and water, placing them into a colloid mill and grinding them to obtain colloidal material whose pH is 6.5-7.5 and packaging in container.

Description

technical field [0001] The invention belongs to the technical field of paint remover, and relates to a neutral multifunctional paint remover and a manufacturing method thereof. Background technique [0002] With the improvement of the way of life and production, people are increasingly asking for the construction technology of removing the old paint film for anti-corrosion coating and refreshing decoration in the fields of industry, transportation, urban construction, aircraft manufacturing, automobile manufacturing, and house decoration. In the prior art, people usually use artificial eradication, sandblasting and other technological means to remove old paint. These construction methods are labor-consuming and time-consuming, strongly pollute the environment, and are easy to damage the surface of the workpiece. Moreover, the old paint film is not completely removed, which seriously affects Repainting quality. Contents of the invention [0003] The technical problem to be...

Claims

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Application Information

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IPC IPC(8): C09D9/00
Inventor 黄奇伟
Owner MOER ENVIRONMENTAL PROTECTION MATERIAL CHANGSHA
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