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Paint remover and preparation method thereof

A paint remover and silicon dioxide technology, applied in the direction of chemical paint/ink remover, coating, etc., can solve the problems of safety hazards, damage, etc., and achieve the effect of fast removal time and good removal effect

Inactive Publication Date: 2019-12-31
淮安正天新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently commonly used paint removers contain a large amount of organic solvents or strong acid and alkali components. Although the paint removal effect is good, the existence of these components will cause potential safety hazards to users, and long-term use will cause irreversible damage to the body. damage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of paint remover, raw material comprises by weight: 5 parts of silicon dioxide, 5 parts of zeolite powder, 1 part of sodium nitrate, 2 parts of potassium sulfate, 1 part of zinc stearate, 2 parts of polyethylene glycol 400, two parts 4 parts of methyl chloride, 2 parts of ethyl acetate, 3 parts of carboxymethyl cellulose, 30 parts of water.

[0018] The particle size of the silicon dioxide is below 100 μm; the particle size of the zeolite powder is below 400 μm.

[0019] The preparation method of above paint stripper, comprises the following steps:

[0020] Step 1: Add sodium nitrate, potassium sulfate, zinc stearate, and polyethylene glycol into water, mix well, then add carboxymethyl cellulose, raise the temperature to 50°C, and stir for 40 minutes to obtain a mixed solution 1;

[0021] Step 2, mixing silicon dioxide, zeolite powder, methylene chloride and ethyl acetate to form a mixed solution 2;

[0022] Step 3: Add the mixed solution 1 to the mixed solutio...

Embodiment 2

[0024] A kind of paint remover, raw material comprises by weight: 6 parts of silicon dioxide, 7 parts of zeolite powder, 2 parts of sodium nitrate, 2 parts of potassium sulfate, 1 part of zinc stearate, 3 parts of polyethylene glycol 400, two parts 5 parts of methyl chloride, 3 parts of ethyl acetate, 4 parts of carboxymethyl cellulose, 35 parts of water.

[0025] The particle size of the silicon dioxide is below 100 μm; the particle size of the zeolite powder is below 400 μm.

[0026] The preparation method of above paint stripper, comprises the following steps:

[0027] Step 1: Add sodium nitrate, potassium sulfate, zinc stearate, and polyethylene glycol into water, mix well, then add carboxymethyl cellulose, raise the temperature to 53°C, and stir for 45 minutes to obtain a mixed solution 1;

[0028] Step 2, mixing silicon dioxide, zeolite powder, methylene chloride and ethyl acetate to form a mixed solution 2;

[0029] Step 3: Add the mixed solution 1 to the mixed soluti...

Embodiment 3

[0031] A kind of paint remover, raw material comprises by weight: 8 parts of silicon dioxide, 7 parts of zeolite powder, 2 parts of sodium nitrate, 3 parts of potassium sulfate, 3 parts of zinc stearate, 3 parts of polyethylene glycol 400, two parts 7 parts of methyl chloride, 4 parts of ethyl acetate, 5 parts of carboxymethyl cellulose, 38 parts of water.

[0032] The particle size of the silicon dioxide is below 100 μm; the particle size of the zeolite powder is below 400 μm.

[0033] The preparation method of above paint stripper, comprises the following steps:

[0034] Step 1: Add sodium nitrate, potassium sulfate, zinc stearate, and polyethylene glycol into water, mix well, then add carboxymethyl cellulose, heat up to 57°C, and stir for 48 minutes to obtain a mixed solution 1;

[0035] Step 2, mixing silicon dioxide, zeolite powder, methylene chloride and ethyl acetate to form a mixed solution 2;

[0036] Step 3: Add the mixed solution 1 to the mixed solution 2, and gri...

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Abstract

The invention discloses a paint remover and a preparation method thereof. The raw materials of the paint remover comprise silicon dioxide, a zeolite powder, sodium nitrate, potassium sulfate, zinc stearate, polyethylene glycol, dichloromethane, ethyl acetate, carboxymethyl cellulose and water. The preparation method comprises the following steps: adding the sodium nitrate, potassium sulfate, zincstearate and polyethylene glycol into water, performing uniform mixing, adding the carboxymethyl cellulose, and performing heating and stirring to obtain a first mixed solution; then mixing the silicon dioxide, the zeolite powder, dichloromethane and ethyl acetate to form a second mixed solution; and adding the first mixed solution into the second mixed solution, and performing grinding in a colloid mill to obtain the paint remover. The paint remover is suitable for removing paints commonly used at present, and has the advantages of short removal time, good removal effect, and great reductionof the safety risk of a user.

Description

technical field [0001] The invention belongs to the field of chemical materials, and in particular relates to a paint remover and a preparation method thereof. Background technique [0002] Coatings have been widely used in daily life and industrial production. On the one hand, the role of coatings is to provide a certain protective effect on the substrate, and on the other hand, it is to beautify the appearance of the coated object. In real life, under environmental effects and physical and mechanical effects, with the prolongation of service time, the coating often fails locally or in large areas, such as loss of gloss, powdering, peeling, cracks, scratches, substrate corrosion, etc., or in Defects such as orange peel, cracks, pulverization, etc. occur during the coating preparation process, resulting in the appearance of unqualified products, which requires the coating to be completely removed and re-sprayed. Mechanical removal of coatings has the disadvantages of time-...

Claims

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Application Information

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IPC IPC(8): C09D9/02
CPCC09D9/02
Inventor 李铜玲
Owner 淮安正天新材料科技有限公司
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