CN106519783A - Environmentally friendly aqueous coating remover and preparation method thereof - Google Patents
Environmentally friendly aqueous coating remover and preparation method thereof Download PDFInfo
- Publication number
- CN106519783A CN106519783A CN201610992851.8A CN201610992851A CN106519783A CN 106519783 A CN106519783 A CN 106519783A CN 201610992851 A CN201610992851 A CN 201610992851A CN 106519783 A CN106519783 A CN 106519783A
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- water
- environment
- surfactant
- paint stripper
- triethyl phosphate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/005—Chemical paint or ink removers containing organic solvents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an environmentally friendly aqueous coating remover and preparation method thereof, and belongs to the field of chemistry painting remover. The environmentally friendly aqueous coating remover is prepared from the raw materials of, by weight, 10-40% of triethyl phosphate, 10-40% of dimethyl adipate, 0.1-2% of complex solubilizer, 3-8% of surfactant, and the balance being water. The preparation method comprises the steps of dissolving the surfactant in water of 40-50 DEG C, according to the above proportions, stirring for 2-3 min, waiting till the surfactant to be completely dissolved, then adding in sequence triethyl phosphate, dimethyl adipate, and complex solubilizer, stirring for 3-5 min, and making the mixture evenly blended and obtaining the required product. The obtained product is neutral, and causes no harm to the base materials; the environmental protection effect is notable; and the product is not easily volatile, can be reused, and the overall cost is low.
Description
Technical field
The present invention relates to a kind of environment-friendly water-based paint stripper and preparation method thereof, belongs to chemistry painting industry remover field.
Background technology
Many household supplies, external wall and train, steamer, aircrafts etc. are required for wearing one layer " coat ", but with when
Between passage, Exposure to Sunlight, the effect of the natural environment such as drench with rain, these " coats " can it is day by day aging, come off, need to spray again, here
Needed old coating treatment before totally, traditional remover mainly has dichloromethane, but its volatility height, toxicity are big, right
The harmfulness of operating personnel and environment is big, and in today of environmental protection pay attention to day by day, environment-friendly water-based paint stripper has been obtained more
Development space.
The content of the invention
The present invention is intended to provide a kind of environment-friendly water-based paint stripper and preparation method thereof.
The invention provides a kind of environment-friendly water-based paint stripper, is made up of the raw material of following weight percents：
Triethyl phosphate 10～40%,
Dimethyl adipate 10～40%,
Cosolvent 0.1～2%,
Surfactant 3～8%,
Balance of water.
Further, described environment-friendly water-based paint stripper, is made up of the raw material of following weight percents：
Triethyl phosphate 35%, dimethyl adipate 35%, cosolvent 1%, surfactant 5%, running water 24%.
Further, described cosolvent be isobutanol, normal propyl alcohol, the one kind in n-hexyl alcohol or one or two；Choose
When two kinds, its weight ratio is 11.
Further, described surfactant is dodecyl sodium sulfate, lauryl sodium sulfate, detergent alkylate sulphur
One kind in sour sodium.
The invention provides the preparation method of the environment-friendly water-based paint stripper, comprises the following steps：
According to the above ratio surfactant is dissolved in 40～50 DEG C of water first, stirs 2～3min, after which is completely dissolved,
Triethyl phosphate, dimethyl adipate, cosolvent are sequentially added, 3～5min is stirred so as to be well mixed, obtain required product
Thing.
The product that the present invention is provided is aqueous product, easy to use, can be soaked using paint remover products of the present invention or be brushed
Depainting sample is treated, after effect a period of time, is washed away with water or scoop.
Beneficial effects of the present invention：
（1）Product is water-soluble paint stripper, replaces traditional solvent-borne paint stripper, and environment protecting is notable；
（2）Product does not contain paraffin, it is to avoid remove the process of paraffin after use again；
（3）Product is in neutrality, to ground not damaged；
（4）Product is not volatile, can be recycled, and integrated cost is low.
Specific embodiment
The present invention is further illustrated below by embodiment, but is not limited to following examples.
Content in the present invention is entirely percentage by weight.
Embodiment 1：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 20%,
Dimethyl adipate 20%, n-hexyl alcohol 0.3%, dodecyl sodium sulfate 3%, running water 56.7%.
Specifically preparation method is：First in proportion in 40～50 DEG C of water add dodecyl sodium sulfate stirring 2～
3min, after which is completely dissolved, then sequentially adds triethyl phosphate, dimethyl adipate, n-hexyl alcohol in proportion and is stirred, stir
Mix 3～5min so as to be well mixed, obtain required product.
Properties of product are specifically shown in Table 1.
Embodiment 2：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 25%,
Dimethyl adipate 25%, n-hexyl alcohol 0.3%, dodecyl sodium sulfate 3%, running water 46.7%.
Preparation method is with embodiment 1.
Embodiment 3：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 30%,
Dimethyl adipate 30%, n-hexyl alcohol 0.3%, dodecyl sodium sulfate 3%, running water 36.7%.
Preparation method is with embodiment 1.
Embodiment 4：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 35%,
Dimethyl adipate 35%, n-hexyl alcohol 0.5%, dodecyl sodium sulfate 5%, running water 24.5%.
Preparation method is with embodiment 1.
Embodiment 5：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 35%,
Dimethyl adipate 35%, n-hexyl alcohol 1%, dodecyl sodium sulfate 5%, running water 24%.
Preparation method is with embodiment 1.
Embodiment 6：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 35%,
Dimethyl adipate 35%, n-hexyl alcohol 2%, dodecyl sodium sulfate 8%, running water 20%.
Preparation method is with embodiment 1.
Embodiment 7：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 40%,
Dimethyl adipate 30%, n-hexyl alcohol 1%, dodecyl sodium sulfate 5%, running water 24%.
Preparation method is with embodiment 1.
Embodiment 8：A kind of environment-friendly water-based paint stripper, raw material is constituted and its percentage by weight is as follows：Triethyl phosphate 30%,
Dimethyl adipate 40%, n-hexyl alcohol 1%, dodecyl sodium sulfate 5%, running water 24%.
Preparation method is with embodiment 1.
Embodiment 1-8 properties of product are shown in Table 1.It is uniform that data from table 1 can be seen that products obtained therefrom of the present invention
Transparent liquid, and pH value is between 6 ~ 7, to metal without any corrosion phenomenon.
Table 1
The performance of paint stripper is detected according to standard HG/T3381-2003, its application effect is as follows：
Embodiment 9：Paint stripper depainting application example
First polyurethane paint is evenly coated on iron plate with hairbrush, effective area 5cm*10cm, build is（20±2）μm,
（105±2）3h is dried at DEG C.After paint film is done solid work, paraffin is coated at its edge, prevent paint stripper from outflowing.Respectively by embodiment 1-8
Paint stripper is sufficiently mixed uniformly at room temperature, is evenly coated on lacquer painting with hairbrush or glass bar, is started timer, is seen after 5min
Paint film expands or corrugated area percentage.Concrete outcome is shown in Table 2.
Embodiment 10：Paint stripper depainting application example
First epoxy-based lacquers are evenly coated on iron plate with hairbrush, effective area 5cm*10cm, build is（20±2）μm,
（105±2）3h is dried at DEG C.After paint film is done solid work, paraffin is coated at its edge, prevent paint stripper from outflowing.Respectively by embodiment 1-8
Paint stripper is sufficiently mixed uniformly at room temperature, is evenly coated on lacquer painting with hairbrush or glass bar, is started timer, is seen after 5min
Paint film expands or corrugated area percentage.Concrete outcome is shown in Table 2.
Embodiment 11：Paint stripper depainting application example
First acrylic paint is evenly coated on iron plate with hairbrush, effective area 5cm*10cm, build is（20±2）μm,
（105±2）3h is dried at DEG C.After paint film is done solid work, paraffin is coated at its edge, prevent paint stripper from outflowing.Respectively by embodiment 1-8
Paint stripper is sufficiently mixed uniformly at room temperature, is evenly coated on lacquer painting with hairbrush or glass bar, is started timer, is seen after 5min
Paint film expands or corrugated area percentage.Concrete outcome is shown in Table 2.
Table 2
From table 2 it can be seen that in embodiment 9, triethyl phosphate, adipic acid diformazan in paint stripper raw material has been correspondingly improved
When ester, n-hexyl alcohol, the ratio of dodecyl sodium sulfate, more than 90% can be reached to the paint removal efficiency of polyurethane paint；Embodiment 10
In, the paint stripper of present invention gained has reached more than 90% to the paint removal efficiency of epoxy-based lacquers；In embodiment 11, present invention gained
Paint stripper has reached more than 80% to the paint removal efficiency of acrylic paint, triethyl phosphate, adipic acid two in paint stripper raw material is improved
When methyl esters, n-hexyl alcohol, the ratio of dodecyl sodium sulfate, more than 90% can be reached to the paint removal efficiency of acrylic paint.
Claims (5)
1. a kind of environment-friendly water-based paint stripper, it is characterised in that：It is made up of the raw material of following weight percents：
Triethyl phosphate 10～40%,
Dimethyl adipate 10～40%,
Cosolvent 0.1～2%,
Surfactant 3～8%,
Balance of water.
2. environment-friendly water-based paint stripper according to claim 1, it is characterised in that：By the raw material group of following weight percents
Into：
Triethyl phosphate 35%, dimethyl adipate 35%, cosolvent 1%, surfactant 5%, running water 24%.
3. environment-friendly water-based paint stripper according to claim 1, it is characterised in that：Described cosolvent be isobutanol, positive third
One or two in alcohol, n-hexyl alcohol；When choosing two kinds, its weight ratio is 11.
4. environment-friendly water-based paint stripper according to claim 1, it is characterised in that：Described surfactant is dodecyl
One kind in sodium sulfonate, lauryl sodium sulfate, neopelex.
5. the environment-friendly water-based paint stripper described in a kind of any one of claim 1 ~ 4, it is characterised in that：Comprise the following steps：
According to the above ratio surfactant is dissolved in 40～50 DEG C of water first, stirs 2～3min, after which is completely dissolved,
Triethyl phosphate, dimethyl adipate, cosolvent are sequentially added, 3～5min is stirred so as to be well mixed, obtain required product
Thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992851.8A CN106519783A (en) | 2016-11-11 | 2016-11-11 | Environmentally friendly aqueous coating remover and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992851.8A CN106519783A (en) | 2016-11-11 | 2016-11-11 | Environmentally friendly aqueous coating remover and preparation method thereof |
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| CN106519783A true CN106519783A (en) | 2017-03-22 |
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| CN201610992851.8A Pending CN106519783A (en) | 2016-11-11 | 2016-11-11 | Environmentally friendly aqueous coating remover and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040506A (en) * | 2019-12-23 | 2020-04-21 | 三达奥克化学股份有限公司 | Water-based neutral paint remover |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6339053B1 (en) * | 1998-03-19 | 2002-01-15 | Eco Solutions Limited | Aqueous composition for removing coatings |
| CN1678961A (en) * | 2002-08-22 | 2005-10-05 | 大金工业株式会社 | Removing solution |
| CN101899365A (en) * | 2009-05-27 | 2010-12-01 | 宁波百仕高联合工业有限公司 | Adhesive remover and preparation method thereof |
-
2016
- 2016-11-11 CN CN201610992851.8A patent/CN106519783A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6339053B1 (en) * | 1998-03-19 | 2002-01-15 | Eco Solutions Limited | Aqueous composition for removing coatings |
| CN1678961A (en) * | 2002-08-22 | 2005-10-05 | 大金工业株式会社 | Removing solution |
| CN101899365A (en) * | 2009-05-27 | 2010-12-01 | 宁波百仕高联合工业有限公司 | Adhesive remover and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040506A (en) * | 2019-12-23 | 2020-04-21 | 三达奥克化学股份有限公司 | Water-based neutral paint remover |
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