Water-based paint stripper and preparation method thereof

A paint stripper and water-based technology, applied in the field of water-based paint strippers and their preparation, can solve the problems of clean removal of difficult-to-paint or particulate impurities, hazards to the operating environment and worker health, and unsatisfactory paint stripping efficiency and speed. Achieve the effect of accelerating paint stripping speed, good dissolving ability and non-volatile

Inactive Publication Date: 2017-10-24
常州文诺纺织品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem mainly solved by the present invention: the efficiency and speed of paint removal of the existing paint remover are not ideal enough, it is difficult to completely remove the stubborn residual paint or particle impurities, and the paint remover contains toxic substances such as phenol, which will cause Defects that cause hazards to the operating environment and workers' health provide a water-based paint remover and a preparation method thereof

Method used

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  • Water-based paint stripper and preparation method thereof

Examples

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Effect test

example 1

[0026] First, add 30g of benzyl alcohol, 5g of diethylene glycol monobutyl ether, 5g of ethylene glycol monobutyl ether, 10g of acetone and 3g of formic acid into a beaker, stir at 300r / min for 20min to obtain a mixed solution 1, and then take 3g of methyl cellulose Add element, 1g benzotriazole and 0.5g surfactant OP-10 to mixed solution 1, heat to 60°C, and stir at 300r / min for 20min to obtain mixed solution 2, then add 15g potassium permanganate to mixed solution 2 , heated to 70°C, stirred at 200r / min for 15min to obtain a mixture, and finally added 20g of deionized water to the mixture, stirred evenly at 50°C to obtain a water-based paint remover.

example 2

[0028] First, add 35g of benzyl alcohol, 8g of diethylene glycol monobutyl ether, 8g of ethylene glycol monobutyl ether, 13g of acetone and 4g of acetic acid into a beaker, stir at 350r / min for 25min to obtain a mixed solution 1, and then take 4g of ethyl cellulose Su, 2g benzotriazole and 1.3g surfactant OP-10 were added to the mixed solution 1, heated to 65°C, stirred at 350r / min for 25min to obtain the mixed solution 2, and then 20g potassium permanganate was added to the mixed solution 2 , heated to 75°C, stirred at 250r / min for 18min to obtain a mixture, and finally added 25g of deionized water to the mixture, stirred evenly at 55°C to obtain a water-based paint remover.

example 3

[0030] First, add 40g benzyl alcohol, 10g diethylene glycol monobutyl ether, 10g ethylene glycol monobutyl ether, 15g acetone and 5g lactic acid into a beaker, stir at 400r / min for 30min to obtain a mixed solution 1, and then take 5g carboxymethyl Sodium cellulose, 3g thiourea and 2.0g sodium dodecylbenzenesulfonate were added to the mixed solution 1, heated to 70°C, stirred at 400r / min for 30min to obtain the mixed solution 2, and then 25g peracetic acid was added to the mixed solution In 2, heat to 80°C, stir at 300r / min for 20min to obtain a mixture, and finally add 30g of deionized water to the mixture, stir evenly at 60°C to obtain a water-based paint remover.

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Abstract

The invention belongs to the technical field of surface treatment of metal products, and in particular relates to an water-based paint stripper and a preparation method thereof. The preparation method comprises the steps: benzyl alcohol, diethylene glycol monobutyl ether and a promoter are mixed to prepare a mixed solution 1; then a thickener, a corrosion inhibitor and a surfactant are added into the mixed solution 1, and heating and stirring are carried out to obtain a mixed solution 2; then an oxidant is added to the mixed solution 2, heating and stirring are carried out to obtain a mixture, and the mixture is uniformly mixed with deionized water to obtain the water-based paint stripper. The water-based paint stripper obtained by the invention has a higher paint stripping efficiency and a faster paint stripping speed, meanwhile, the paint stripper has small corrosion on metal substrates, the paint stripper does not contain toxic substances such as phenol, and thus the paint stripper does not harm an operating environment and the health of workers, and is an environment-friendly and efficient paint stripping product.

Description

technical field [0001] The invention belongs to the technical field of surface treatment of metal products, and in particular relates to a water-based paint remover and a preparation method thereof. Background technique [0002] 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 has local or large area failures, such as loss of light, peeling, scratches, substrate corrosion, etc., or during the coating preparation process Defects such as orange peel, cracks, powdering, etc., cause the appearance of substandard products, which requires the coating to be completely removed and then re-sprayed. Mechanical removal of the coating has the disadvantages of time-consuming and low efficiency. It is often impossible to remove t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D9/00C09D9/04
CPCC09D9/005C09D9/04
Inventor 蒋文明王之霖潘宏梅
Owner 常州文诺纺织品有限公司
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