CN103980761A - ABS (Acrylonitrile Butadiene Styrene) plastic paint remover and paint removal method thereof - Google Patents

ABS (Acrylonitrile Butadiene Styrene) plastic paint remover and paint removal method thereof Download PDF

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Publication number
CN103980761A
CN103980761A CN201410219685.9A CN201410219685A CN103980761A CN 103980761 A CN103980761 A CN 103980761A CN 201410219685 A CN201410219685 A CN 201410219685A CN 103980761 A CN103980761 A CN 103980761A
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paint
abs plastic
paint remover
remover
abs
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CN201410219685.9A
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CN103980761B (en
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雷忠利
焦娜
杨红
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Shaanxi Normal University
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Shaanxi Normal University
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Abstract

本发明公开了一种ABS塑料脱漆剂及其脱漆方法,该脱漆剂是以苯甲醇和乙酸丁酯的混合液为主溶剂,以双氧水为助溶剂,同时辅以十二烷基苯磺酸钠、羟甲基纤维素、石蜡、去离子水复配而成,低毒、安全环保,使用时,先将ABS塑料用乙酸超声清洗,然后再用脱漆剂超声清洗,整个过程不需要加热,脱漆速度快、可循环使用,可用于脱除各种颜色和种类的漆膜,如环氧漆、醇酸漆、丙烯酸漆、聚氨酯漆等,且能最大限度的减小对ABS塑料的损伤程度。The invention discloses an ABS plastic paint stripper and a paint stripping method thereof. The paint stripper uses a mixture of benzyl alcohol and butyl acetate as a main solvent, hydrogen peroxide as a cosolvent, and dodecylbenzene as an auxiliary solvent. Sodium sulfonate, hydroxymethyl cellulose, paraffin, and deionized water are compounded, low-toxic, safe and environmentally friendly. When using, first clean the ABS plastic with acetic acid and then ultrasonically clean it with a paint remover. Need heating, fast paint removal speed, recyclable, can be used to remove various colors and types of paint films, such as epoxy paint, alkyd paint, acrylic paint, polyurethane paint, etc., and can minimize the impact on ABS The degree of damage to the plastic.

Description

A kind of ABS plastic paint remover and stripping method thereof
Technical field
The invention belongs to technical field of coatings, be specifically related to a kind of paint remover and using method that is directed to ABS plastic base material.
Background technology
ABS plastic is the engineering plastics that purposes is wide, consumption is large, price is low.Because it is easy to processing, and product has stability, has good shock resistance and thermal stability and is widely used in automobile, electronic apparatus etc.Often sprayed coating reaches protection base material and the object of beautifying outward appearance in use.In use, coating can be damaged or be aging gradually coating, needs first the thorough removing of outmoded or damaged coating to be sprayed again, otherwise will affect the quality of filming after workpiece recoat, and depainting is the surface pre-treating process before application again after painting film destroy.In order to economize on resources, ABS plastic surface is removed by the old paint film of scratch or weathering, then secondary application is come into operation.
The two kinds of methods of physics and chemistry that removed of old paint film.Physical method comprises flame method, blast method, sand-blast etc.But plastics are had damage, larger to the nocuity of base material.Chemical process is used paint remover to remove paint film.The depainting principle of paint remover is according to " similar mixing " and " solubility parameter is close " principle, by dissolving, infiltration, swelling, peel off and the series of physical such as reaction, chemical process realization.Conventional paint remover is proportionately grouped into and can be acid paint remover, hot basic paint remover, solvent stripper.Acid paint remover mainly contains the vitriol oil, good to the paint film paint removing effect of metal material, but higher, simultaneously also higher to equipment sealing requirements to operational safety requirement, is not suitable for ABS plastic base material depainting.The general phosphoric acid sodium of basic paint remover, water glass, caustic soda etc., the depainting time is generally longer, strong and need heating to base material corrodibility.Solvent stripper is maximum, a most widely used class paint remover in the market, its generally by main solvent, solubility promoter, thickening material, press down volatilizer etc. and form.At present, industrial chemical stripper used contains more methylene dichloride, phenol, easy volatile solvent and some other objectionable impurities conventionally, thereby cause the volatility of paint remover and toxicity all larger, and very large to the corrodibility of base material, and this reduces the rate of recovery of base material greatly.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming that existing paint remover exists, according to the principle of " similar mixing " and coating adhesion mechanism and coating process, provide a kind of low volatility, low toxicity or nontoxic, to matrix safety, to operator or environmentally friendly, do not need the ABS plastic paint remover that heating, paint stripping rate are fast, can be recycled while using, and the using method of this paint remover.
Addressing the above problem adopted technical scheme is that it is made by the raw material of following quality per distribution ratio:
Above-mentioned ABS plastic paint remover is preferably made by the raw material of following quality per distribution ratio:
Above-mentioned main solvent is the mixed solution of phenylcarbinol and butylacetate, and wherein phenylcarbinol is that 60wt.%~80wt.%, butylacetate are 20wt.%~40wt.%, and preferably phenylcarbinol is that 74wt.%~80wt.%, butylacetate are 20wt.%~26wt.%.
The preparation method of above-mentioned ABS plastic paint remover is: according to the quality per distribution ratio of above-mentioned raw materials, phenylcarbinol and butylacetate are mixed, then add successively hydrogen peroxide, Sodium dodecylbenzene sulfonate, Walocel MT 20.000PV and deionized water, stir, finally add paraffin to prevent solvent evaporates to seal top layer, obtain ABS plastic paint remover.
The using method of above-mentioned ABS plastic paint remover is: ABS plastic is soaked in acetic acid, and supersound washing 5~10 minutes, is then soaked in ABS plastic paint remover, supersound washing 10~15 minutes.
Paint remover of the present invention is not containing methene chloride, safety and environmental protection, during use, do not need heating, can be used for removing the paint film of shades of colour and kind, as epoxy-based lacquers, alkyd paint, acrylic paint, polyurethane paint etc., and can reduce to greatest extent the degree of injury to ABS plastic, make that this paint remover has advantages of that paint stripping rate is fast, low toxicity, low volatility, can be recycled.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail, but protection scope of the present invention is not limited only to these embodiment.
Embodiment 1
The preparation ABS plastic paint remover 1000g of the present invention of take is example, and raw material is composed as follows:
Its preparation method is: 408g phenylcarbinol and 102g butylacetate are mixed, then add successively 150g hydrogen peroxide, 80g Sodium dodecylbenzene sulfonate, 40g Walocel MT 20.000PV and 200g deionized water, stir, finally add 20g paraffin to prevent solvent evaporates to seal top layer, obtain ABS plastic paint remover.
Embodiment 2
The preparation ABS plastic paint remover 1000g of the present invention of take is example, and raw material is composed as follows:
Its preparation method is identical with embodiment 1.
Embodiment 3
The preparation ABS plastic paint remover 1000g of the present invention of take is example, and raw material is composed as follows:
Its preparation method is identical with embodiment 1.
Embodiment 4
The preparation ABS plastic paint remover 1000g of the present invention of take is example, and raw material is composed as follows:
Its preparation method is identical with embodiment 1.
Embodiment 5
The preparation ABS plastic paint remover 1000g of the present invention of take is example, and raw material is composed as follows:
Its preparation method is identical with embodiment 1.
Embodiment 6
The preparation ABS plastic paint remover 1000g of the present invention of take is example, and raw material is composed as follows:
Its preparation method is identical with embodiment 1.
Embodiment 7
ABS plastic is soaked in acetic acid, and supersound washing 5 minutes, then takes out, and is soaked in ABS plastic paint remover supersound washing 15 minutes.
The depainting efficiency (being that in the specified time, paint film expands and wrinkling area percent) of measuring paint remover according to national standard HG/T2881-1997 < < paint remover depainting efficiency test method > >, depainting efficiency calculation formula is as follows:
Test-results is in Table 1.
The depainting efficiency of table 1 paint remover of the present invention
Paint remover Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6
Depainting efficiency 90% 75% 80% 75% 70% 80%
In order to determine optimum material proportion of the present invention, contriver has carried out a large amount of laboratory study tests, and various test situation are as follows:
1, the selection of main solvent and solubility promoter
Select respectively different solubility promoter (15g) and main solvent (50g), specifically in Table 2~4, then mix 8g Sodium dodecylbenzene sulfonate, 4g Walocel MT 20.000PV, 2g paraffin and 20g deionized water, compositely go out solubleness and be respectively 9.0,10.0,11.0 double solvents.According to the method for embodiment 7, to ABS plastic base material depainting, test effect is in Table 2~4.
The impact on paint removing effect of table 2 main solvent and solubility promoter
From table 2, in double solvents solubleness, be under 9.0,10.0,11.0 three kinds of different situations, take the mixed solution of phenylcarbinol and butylacetate as main solvent, hydrogen peroxide are during as solubility promoter, paint removing effect is relatively better, wherein double solvents solubleness is 11.0 o'clock, and in main solvent, phenylcarbinol accounts for 71%, butylacetate is while accounting for 29%, and paint removing effect is best, within 15 minutes, can take off the paint film of 80% left and right, and minimum to base material nocuity.
The impact on paint removing effect of table 3 main solvent and solubility promoter
From table 3, the mixed solution of methyl-sulphoxide, ethylene glycol monobutyl ether, Virahol of take is main solvent, cannot be made into solubleness and be 9.0 double solvents.Under 10.0,11.0 two kinds of different situations of main solvent solubleness, take respectively acetic acid, hydrogen peroxide, phenol is solubility promoter, and paint removing effect is all poor.
The impact on paint removing effect of table 4 main solvent and solubility promoter
From table 4, take respectively acetic acid, hydrogen peroxide, phenol is solubility promoter, and the mixed solution of dimethylbenzene and propyl carbinol of take is main solvent, in main solvent solubleness, is that under 9.0,10.0,11.0 three kinds of different situations, paint removing effect is obviously not ideal enough.
Comprehensive above-mentioned test, it is main solvent that the present invention selects to take the mixed solution of phenylcarbinol and butylacetate, take hydrogen peroxide as solubility promoter.
2, determine phenylcarbinol and butylacetate proportioning
Adopting hydrogen peroxide (15g) is solubility promoter, with the mixed solution of phenylcarbinol and butylacetate be main solvent (50g), then mix 8g Sodium dodecylbenzene sulfonate, 3g Walocel MT 20.000PV, 2g paraffin and 20g deionized water, composite respectively to go out solubleness be 10.5,10.7,10.9,11.0,11.2,11.5 double solvents, specifically in Table 5.By first supersound washing 5 minutes in acetic acid of ABS plastic, be then soaked in double solvents supersound washing 15 minutes.Test-results is in Table 5.
Table 5 phenylcarbinol and the impact of butylacetate proportioning on paint removing effect
From table 5, the solubleness of double solvents paint removing effect in 10.5~11.5 scopes is all better, within 15 minutes, can take off at least paint film of half, wherein the solubleness of double solvents is 11.0~11.5 o'clock, paint removing effect is better, and therefore main solvent of the present invention is preferably comprised of 74wt.%~80wt.% phenylcarbinol and 20wt.%~26wt.% butylacetate.
3, stripping method determines
Scheme 1: get each two, the coating agent which has to be dissolved in alcohol before use of black, red, blue, yellow, be soaked in the paint remover of embodiment 1 preparation, at the uniform velocity stir 15 minutes.
Scheme 2: get each two, the coating agent which has to be dissolved in alcohol before use of black, red, blue, yellow, first soak in acetic acid 5 minutes, be then soaked in the paint remover of embodiment 1 preparation, stir 15 minutes.
Scheme 3: get each two, the coating agent which has to be dissolved in alcohol before use of black, red, blue, yellow, first supersound washing 5 minutes in acetic acid, then the paint remover supersound washing of embodiment 1 preparation 15 minutes.
Scheme 4: get each two, the coating agent which has to be dissolved in alcohol before use of black, red, blue, yellow, first supersound washing 10 minutes in acetic acid, then the paint remover supersound washing of embodiment 1 preparation 20 minutes.
Test-results shows, the paint removing effect of scheme 3 is best, in acetic acid, supersound washing can be taken off the coating agent which has to be dissolved in alcohol before use that paint film is thinner in 5 minutes completely, then the thicker coating agent which has to be dissolved in alcohol before use of paint film of can not taking off for 15 minutes in the paint remover supersound washing of embodiment 1 preparation, and very little to the injury tolerance of ABS plastic base material.And depainting overlong time in scheme 4 is larger for the damage of base material, therefore will not take.
In order to prove beneficial effect of the present invention, contriver adopts the paint remover of embodiment 1, according to the method for embodiment 7, different types of paint film is carried out to depainting, and test-results is in Table 6.
The depainting efficiency of the ABS plastic paint remover of table 6 embodiment 1 preparation to different paint films
Paint film kind Urethane resin Acrylic resin Polymethylmethacrylate Epoxy resin Synolac
Depainting efficiency 100% 100% 95% 95% 98%
From table 6, paint remover of the present invention is not only high to the paint film elimination efficiency in ABS plastic, and can effectively remove other various paint films, simultaneously test-results show its to the base material of the paint film of other shades of colour kinds all without obvious corrosion phenomenon.

Claims (4)

1. an ABS plastic paint remover, is characterized in that it is made by the raw material of following quality per distribution ratio:
Above-mentioned main solvent is the mixed solution of phenylcarbinol and butylacetate, and wherein phenylcarbinol is that 60wt.%~80wt.%, butylacetate are 20wt.%~40wt.%.
2. ABS plastic paint remover according to claim 1, is characterized in that it is made by the raw material of following quality per distribution ratio:
3. ABS plastic paint remover according to claim 1 and 2, is characterized in that: described main solvent is the mixed solution of phenylcarbinol and butylacetate, and wherein phenylcarbinol is that 74wt.%~80wt.%, butylacetate are 20wt.%~26wt.%.
4. a method that adopts the ABS plastic paint remover depainting of claim 1, is characterized in that: ABS plastic is soaked in acetic acid, and supersound washing 5~10 minutes, is then soaked in ABS plastic paint remover, supersound washing 10~15 minutes.
CN201410219685.9A 2014-05-22 2014-05-22 A kind of ABS plastic paint remover and stripping method thereof Expired - Fee Related CN103980761B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104999586A (en) * 2015-07-29 2015-10-28 巢湖市荣达塑业有限公司 Jet fluid for mixing of waste plastic particles
CN106519781A (en) * 2016-11-15 2017-03-22 广东石油化工学院 Preparation method and use of powdery coating removal composition
CN107236353A (en) * 2017-06-28 2017-10-10 常州市鑫嘉生物科技有限公司 A kind of ABS plastic paint stripper
CN109057384A (en) * 2018-09-07 2018-12-21 北京公联洁达公路养护工程有限公司 A kind of method of quick removal concrete surface film
CN109135407A (en) * 2017-06-28 2019-01-04 四川大学 A kind of room temperature watery paint remover and its preparation and application
CN110713747A (en) * 2019-10-09 2020-01-21 房新民 Environment-friendly and nontoxic water-based paint remover and preparation method thereof
CN115093742A (en) * 2022-07-16 2022-09-23 任彭 Paint removing liquid and preparation method thereof
JP7583861B1 (en) 2023-05-29 2024-11-14 第一工業製薬株式会社 Resin remover and resin removal method

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104999586A (en) * 2015-07-29 2015-10-28 巢湖市荣达塑业有限公司 Jet fluid for mixing of waste plastic particles
CN106519781A (en) * 2016-11-15 2017-03-22 广东石油化工学院 Preparation method and use of powdery coating removal composition
CN106519781B (en) * 2016-11-15 2020-01-03 广东石油化工学院 Powder coating paint removing composition and preparation method and application thereof
CN107236353A (en) * 2017-06-28 2017-10-10 常州市鑫嘉生物科技有限公司 A kind of ABS plastic paint stripper
CN109135407A (en) * 2017-06-28 2019-01-04 四川大学 A kind of room temperature watery paint remover and its preparation and application
CN109057384A (en) * 2018-09-07 2018-12-21 北京公联洁达公路养护工程有限公司 A kind of method of quick removal concrete surface film
CN110713747A (en) * 2019-10-09 2020-01-21 房新民 Environment-friendly and nontoxic water-based paint remover and preparation method thereof
CN115093742A (en) * 2022-07-16 2022-09-23 任彭 Paint removing liquid and preparation method thereof
JP7583861B1 (en) 2023-05-29 2024-11-14 第一工業製薬株式会社 Resin remover and resin removal method

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