CN105295510A - Eco-friendly aqueous paint remover and preparation method thereof - Google Patents
Eco-friendly aqueous paint remover and preparation method thereof Download PDFInfo
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- CN105295510A CN105295510A CN201510800806.3A CN201510800806A CN105295510A CN 105295510 A CN105295510 A CN 105295510A CN 201510800806 A CN201510800806 A CN 201510800806A CN 105295510 A CN105295510 A CN 105295510A
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Abstract
The invention discloses an eco-friendly aqueous paint remover and a preparation method thereof. The eco-friendly aqueous paint remover is prepared from 32-50 parts by weight of benzoic acid, 10-20 parts by weight of 2-methyl-2-pyrrolidone, 6-14 parts by weight of diethyl thiourea, 3-15 parts by weight of dimethyaminoethoxyethanol, 3-9 parts by weight of propionic acid, 4-11 parts by weight of cellulose ether, 3-8 parts by weight of a paraffin emulsion, 2-5 parts by weight of sodium alginate, 1-6 parts by weight of a surfactant and 18-35 parts by weight of water. The eco-friendly aqueous paint remover has high removal efficiency, has a volatilization rate of 8.4% or less after standing for 48h, wherein the volatilization rate is far below that of the solvent-type paint remover, has good environmental friendliness and has high use safety.
Description
Technical field
The invention belongs to clean-out system field, particularly relate to a kind of environment-friendly water-based paint remover and preparation method thereof.
Background technology
Generally, the surface of machined piece can apply paint and avoid extraneous corrosion to protect workpiece.In use, paint film can be damaged or aging thereupon the prolongation of duration of service paint, no matter is do machined piece to repair application process, or reprocess workpiece, all needs the paint removing work piece surface.The method removing paint film has multiple, such as, and soda solution grouting, paint remover method, depainting cream method, flame method etc.Wherein, paint remover method, due to the advantage such as its depainting speed is fast, enjoys and widely uses.But, most containing, for example harmful volatile material such as methylene dichloride, toluene in paint remover, all disadvantageous effect is brought to operator and environment.Therefore, the paint remover developing a kind of environmental protection and public nuisance free seems particularly important.
Summary of the invention
The technical problem solved is: in order to reduce the disadvantageous effect that in paint remover, noxious volatile material brings environment and operator, provides a kind of environment-friendly water-based paint remover and preparation method thereof.
Technical scheme: in order to solve the problem, the invention provides a kind of environment-friendly water-based paint remover, is prepared from by the component of following parts by weight:
32 ~ 50 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-10 ~ 20 parts, diethyl thiourea 6 ~ 14 parts, dimethylaminoethoxyethanol 3 ~ 15 parts, propionic acid 3 ~ 9 parts, ether of cellulose 4 ~ 11 parts, paraffin wax emulsions 3 ~ 8 parts, sodium alginate 2 ~ 5 parts, 1 ~ 6 part, tensio-active agent and 18 ~ 35 parts, water.
Preferably, the environment-friendly water-based paint remover of described one, is prepared from by the component of following parts by weight:
32 ~ 47 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-13 ~ 20 parts, diethyl thiourea 7 ~ 14 parts, dimethylaminoethoxyethanol 5 ~ 15 parts, propionic acid 3 ~ 7 parts, ether of cellulose 4 ~ 11 parts, paraffin wax emulsions 4 ~ 8 parts, sodium alginate 2 ~ 5 parts, 3 ~ 6 parts, tensio-active agent and 20 ~ 35 parts, water.
Further, preferably, the environment-friendly water-based paint remover of described one, is characterized in that, is prepared from by the component of following parts by weight:
43 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-14 parts, diethyl thiourea 10 parts, dimethylaminoethoxyethanol 8 parts, propionic acid 4 parts, ether of cellulose 7 parts, paraffin wax emulsions 6 parts, sodium alginate 3 parts, 4 parts, tensio-active agent and 28 parts, water.
Preferably, described tensio-active agent is fatty acid methyl ester or potassium oleate.
A preparation method for environment-friendly water-based paint remover, comprises following preparation process:
Component is taken by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
Preferably, described tensio-active agent is potassium oleate.
The present invention has following beneficial effect: environment-friendly water-based paint remover prepared by the present invention and preparation method thereof, prepared watery paint remover has higher removal efficiency, this paint remover its evaporation rate after 48h places is less than 8.4% simultaneously, far below solvent stripper, there is good green environmental protection, also improve the safety in utilization of this paint remover to a certain extent.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, invention preferred embodiment is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
A preparation method for environment-friendly water-based paint remover, comprises following preparation process:
Component is taken: 32 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-10 parts, diethyl thiourea 6 parts, dimethylaminoethoxyethanol 3 parts, propionic acid 3 parts, ether of cellulose 4 parts, paraffin wax emulsions 3 parts, sodium alginate 2 parts, 1 part, tensio-active agent and 18 parts, water by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
Described tensio-active agent is fatty acid methyl ester
Embodiment 2
A preparation method for environment-friendly water-based paint remover, comprises following preparation process:
Component is taken: 50 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-20 parts, diethyl thiourea 14 parts, dimethylaminoethoxyethanol 15 parts, propionic acid 9 parts, ether of cellulose 11 parts, paraffin wax emulsions 8 parts, sodium alginate 5 parts, 16 parts, tensio-active agent and 35 parts, water by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
Described tensio-active agent is potassium oleate.
Embodiment 3
A preparation method for environment-friendly water-based paint remover, comprises following preparation process:
Component is taken: 41 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-15 parts, diethyl thiourea 10 parts, dimethylaminoethoxyethanol 9 parts, propionic acid 6 parts, ether of cellulose 7 parts, paraffin wax emulsions 5 parts, sodium alginate 4 parts, 3 parts, tensio-active agent and 26 parts, water by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
Described tensio-active agent is potassium oleate.
Embodiment 4
A preparation method for environment-friendly water-based paint remover, comprises following preparation process:
Component is taken: 47 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-13 parts, diethyl thiourea 7 parts, dimethylaminoethoxyethanol 5 parts, propionic acid 7 parts, ether of cellulose 6 parts, paraffin wax emulsions 4 parts, sodium alginate 3 parts, 3 parts, tensio-active agent and 20 parts, water by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
Described tensio-active agent is fatty acid methyl ester.
Embodiment 5
A preparation method for environment-friendly water-based paint remover, comprises following preparation process:
Component is taken: 43 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-14 parts, diethyl thiourea 10 parts, dimethylaminoethoxyethanol 8 parts, propionic acid 4 parts, ether of cellulose 7 parts, paraffin wax emulsions 6 parts, sodium alginate 3 parts, 4 parts, tensio-active agent and 28 parts, water by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
Described tensio-active agent is fat potassium oleate.
Performance test
Paint remover prepared by embodiment 1 ~ 5 is carried out to the performance test of paint removal efficiency and evaporation rate below: concrete outcome is as shown in the table:
Paint removal efficiency test condition: the coupons steel disc of one piece of common paint of application being cut into 50cm × 100cm size, then coupons is positioned in the paint remover prepared by embodiment 1 ~ 5, paint-removing liquid temperature is kept to be 45 DEG C, take out after soaking 50min, check the percentage ratio of paint film expansion and Automatic-falling, calculate paint removal efficiency (*);
Evaporation rate test condition: be positioned in watch-glass by the paint remover of certain mass, measures the weight of paint remover at 40 DEG C after placing 48h, then calculate the evaporation rate (* *) of paint remover;
Wherein the calculation formula of (*) is: the paint film total area × 100% before the wrinkling soft area/depainting of paint removal efficiency=paint film; The calculation formula of (* *) is: total mass × 100% of the quality/former paint remover of paint remover remaining after evaporation rate=volatilization.
Claims (6)
1. an environment-friendly water-based paint remover, is characterized in that, is prepared from by the component of following parts by weight:
32 ~ 50 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-10 ~ 20 parts, diethyl thiourea 6 ~ 14 parts, dimethylaminoethoxyethanol 3 ~ 15 parts, propionic acid 3 ~ 9 parts, ether of cellulose 4 ~ 11 parts, paraffin wax emulsions 3 ~ 8 parts, sodium alginate 2 ~ 5 parts, 1 ~ 6 part, tensio-active agent and 18 ~ 35 parts, water.
2. the environment-friendly water-based paint remover of one according to claim 1, is characterized in that, is prepared from by the component of following parts by weight:
32 ~ 47 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-13 ~ 20 parts, diethyl thiourea 7 ~ 14 parts, dimethylaminoethoxyethanol 5 ~ 15 parts, propionic acid 3 ~ 7 parts, ether of cellulose 4 ~ 11 parts, paraffin wax emulsions 4 ~ 8 parts, sodium alginate 2 ~ 5 parts, 3 ~ 6 parts, tensio-active agent and 20 ~ 35 parts, water.
3. the environment-friendly water-based paint remover of one according to claim 1, is characterized in that, is prepared from by the component of following parts by weight:
43 parts, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-14 parts, diethyl thiourea 10 parts, dimethylaminoethoxyethanol 8 parts, propionic acid 4 parts, ether of cellulose 7 parts, paraffin wax emulsions 6 parts, sodium alginate 3 parts, 4 parts, tensio-active agent and 28 parts, water.
4. the environment-friendly water-based paint remover of one according to claim 1, is characterized in that, described tensio-active agent is fatty acid methyl ester or potassium oleate.
5. prepare the preparation method of a kind of environment-friendly water-based paint remover according to claim 1, it is characterized in that, comprise following preparation process:
Component is taken by certainweight number;
By the diethyl thiourea in component, dimethylaminoethoxyethanol, propionic acid, ether of cellulose, Na-alginate, phenylformic acid, 2-N-methyl-2-2-pyrrolidone N-and water, stir, then add tensio-active agent, continue to stir, be required paint remover.
6. the preparation method of a kind of environment-friendly water-based paint remover according to claim 5, is characterized in that, described tensio-active agent is potassium oleate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800806.3A CN105295510A (en) | 2015-11-19 | 2015-11-19 | Eco-friendly aqueous paint remover and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800806.3A CN105295510A (en) | 2015-11-19 | 2015-11-19 | Eco-friendly aqueous paint remover and preparation method thereof |
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| CN105295510A true CN105295510A (en) | 2016-02-03 |
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| CN201510800806.3A Pending CN105295510A (en) | 2015-11-19 | 2015-11-19 | Eco-friendly aqueous paint remover and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231716A (en) * | 2014-09-25 | 2014-12-24 | 南通万德科技有限公司 | Industrial paint film separating agent and application thereof |
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- 2015-11-19 CN CN201510800806.3A patent/CN105295510A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231716A (en) * | 2014-09-25 | 2014-12-24 | 南通万德科技有限公司 | Industrial paint film separating agent and application thereof |
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Application publication date: 20160203 |
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