CN109401419A - A kind of environment-friendly type depainting powder and preparation method thereof - Google Patents
A kind of environment-friendly type depainting powder and preparation method thereof Download PDFInfo
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- CN109401419A CN109401419A CN201710711551.2A CN201710711551A CN109401419A CN 109401419 A CN109401419 A CN 109401419A CN 201710711551 A CN201710711551 A CN 201710711551A CN 109401419 A CN109401419 A CN 109401419A
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- environment
- depainting
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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
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention provides a kind of environment-friendly type depainting powder, the mass percent of each raw material of the environment-friendly type depainting powder are as follows: sodium hydroxide 48~72%, sodium carbonate 10~20%, lauryl sodium sulfate 3~4%, sodium metasilicate 10~20%, coconut oil diethanol amine 5~8%.Environmentally friendly depainting powder of the invention is used for stainless steel, titanium alloy, the environmentally friendly depainting of steel and evanohm the surface coating skin of paint in machining process.No pollution to the environment is small to operating personnel's body harm.Suitable for stainless steel, titanium alloy, the depainting of steel and evanohm surface can remove the lipidic compounds on alloy workpiece surface simultaneously, will not influence the further processing performance of workpiece, such as weld, radium-shine, sealing etc..
Description
Technical field
The invention belongs to field of fine chemical, and in particular to and a kind of environment-friendly type depainting powder and preparation method are used for stainless steel,
Titanium alloy, the depainting of steel and evanohm surface.
Background technique
Depainting powder also known as paint stripper, paint scrubber, commonly use paint stripper by chlorohydrocarbon, ketone, ester, benzene homologues equal solvent mixing and
At.It is acted on using Permeation Swelling of the solvent to covering, removes paint, coating of substrate surface etc..Paint stripper is mainly used for
Metal is removed, the old paint film in template does not injure substrate, a kind of industrial chemical free from corrosion to metal product.
Stainless steel, titanium alloy, wolfram steel and evanohm can coat skin of paint in machining to protect workpiece to keep away in surface
Exempt from extraneous corrosion and damage.Reprocess or be required to after processing is completed the paint of removing workpiece surface.The method of removing paint film has
Soda solution grouting, paint stripper method, flame method etc..The advantages that wherein paint stripper method is fast due to its paint stripping rate, is widely used.Depainting
Agent is using chloride and benzene homologues as solvent, such as methylene chloride, toluene etc., and volatility is high, toxicity is big, and environmental pollution is serious,
Big to the body harm of operating personnel, therefore, exploitation feature of environmental protection paint stripper is the inexorable trend of development.
Summary of the invention
The purpose of the present invention is the problems in for above-mentioned prior art, provide a kind of environment-friendly type depainting powder and its preparation side
Method.It is mainly used for the removing of stainless steel, titanium alloy, wolfram steel and evanohm the surface paint in machining.
In order to achieve the above object, the technical solution of the present invention is as follows:
A kind of environment-friendly type depainting powder, the mass percent of each raw material of the environment-friendly type depainting powder are as follows: sodium hydroxide 48~72%,
Sodium carbonate 10~20%, lauryl sodium sulfate 3~4%, sodium metasilicate 10~20%, coconut oil diethanol amine 5~8%.
Preferably, the mass percent of each raw material of the environment-friendly type depainting powder are as follows: sodium hydroxide 60%, sodium carbonate 15%,
Lauryl sodium sulfate 3%, sodium metasilicate 17%, coconut oil diethanol amine 5%.
The environment-friendly type depainting powder, the preparation method comprises the following steps: first by sodium hydroxide, sodium carbonate, lauryl sodium sulfate, silicic acid
Four kinds of powder of sodium are put into agitator in proportion, after coconut oil diethanol amine liquid is added in the agitator, stir evenly, obtain
To depainting powder.
The environment-friendly type depainting powder, second the preparation method comprises the following steps: by sodium hydroxide, sodium carbonate, lauryl sodium sulfate,
Sodium metasilicate is put into agitator in proportion, and the agitator is added in coconut oil diethanol amine liquid 1/4-3/4 amount by booting stirring
It is interior, it stirs evenly, seals, place 3 hours, finally remaining coconut oil diethanol amine liquid 3/4-1/4 amount is added in agitator,
It stirs evenly, obtains environmentally friendly depainting powder.
Preferably, second the preparation method comprises the following steps: in proportion by sodium hydroxide, sodium carbonate, lauryl sodium sulfate, sodium metasilicate
It being put into agitator, 1/2 amount of coconut oil diethanol amine liquid is added in the agitator, stirs evenly, seals by booting stirring,
It places 3 hours, finally remaining 1/2 amount of coconut oil diethanol amine liquid is added in agitator, stirs evenly, obtains environmentally friendly depainting
Powder.
The environment-friendly type depainting powder, application method are as follows: environment-friendly type depainting powder is configured to 5%~10% aqueous solution, into
The depainting on row metal surface.
Preferably, when use under the conditions of 85~100 DEG C of temperature, 10~20min of depainting time is impregnated.
Preferably, in use, the concentration that environment-friendly type depainting powder is configured to solution is 5%, temperature: 95 DEG C, the depainting time is impregnated
10~20min.
In application method: environment-friendly type depainting powder is configured to the specific steps of 5%~10% aqueous solution are as follows: 1. in stainless steel sink
1/2 volumes of deionized water is added；2. environmentally friendly depainting powder is added, stir until being completely dissolved；3. plus deionized water is to defined body
It accumulates and is heated to 60~100 DEG C.
The beneficial effects of the present invention are:
1, environmentally friendly depainting powder of the invention is used for stainless steel, titanium alloy, and steel and the evanohm surface in machining process coat
The environmentally friendly depainting of skin of paint.No pollution to the environment is small to operating personnel's body harm.Suitable for stainless steel, titanium alloy, steel and
The depainting on evanohm surface can remove the lipidic compounds on alloy workpiece surface simultaneously, will not influence further adding for workpiece
Work performance, such as weld, radium-shine, sealing etc..
2, environmentally friendly depainting powder of the invention using when depainting powder is diluted to 5%~10% solution, in temperature 90 DEG C~95
Used at DEG C, be tightly combined degree according to the thickness of paint layer from surface and with substrate, usually impregnate depainting time be 10~
20min。
Specific embodiment
Further illustrate a specific embodiment of the invention.
Embodiment 1:
Sodium hydroxide 60g, sodium carbonate 15g, lauryl sodium sulfate 3g, sodium metasilicate 17g are put into agitator, booting stirring,
Coconut oil diethanol amine liquid 2.5g is added in the agitator again, is stirred evenly, is sealed, is placed 3 hours, finally by remaining coconut palm
Seed oil diethanol amine liquid 2.5g is added in agitator, stirs evenly, obtains environmentally friendly depainting powder 1.
Embodiment 2
Sodium hydroxide 48g, sodium carbonate 20g, lauryl sodium sulfate 4g, sodium metasilicate 20g are put into agitator, booting stirring,
Coconut oil diethanol amine liquid 4g is added in the agitator again, is stirred evenly, is sealed, is placed 3 hours, finally by remaining coconut
Oily diethanol amine liquid 4g amount is added in agitator, stirs evenly, obtains environmentally friendly depainting powder 2.
Embodiment 3
Sodium hydroxide 72g, sodium carbonate 10g, lauryl sodium sulfate 3g, sodium metasilicate 10g are put into agitator, booting stirring,
Coconut oil diethanol amine liquid 2.5g is added in the agitator again, is stirred evenly, is sealed, is placed 3 hours, finally by remaining coconut palm
Seed oil diethanol amine liquid 2.5g is added in agitator, stirs evenly, obtains environmentally friendly depainting powder 3.
Embodiment 4
Sodium hydroxide 60g, sodium carbonate 15g, lauryl sodium sulfate 3g, sodium metasilicate 17g are put into agitator, booting stirring,
Coconut oil diethanol amine liquid 5g is added in the agitator again, is stirred evenly, is sealed, placement obtains environmentally friendly depainting powder 4.
Embodiment 5
Sodium hydroxide 48g, sodium carbonate 20g, lauryl sodium sulfate 4g, sodium metasilicate 20g are put into agitator, booting stirring,
Coconut oil diethanol amine liquid 8g is added in the agitator again, is stirred evenly, sealing obtains environmentally friendly depainting powder 5.
Embodiment 6
Sodium hydroxide 72g, sodium carbonate 10g, lauryl sodium sulfate 3g, sodium metasilicate 10g are put into agitator, booting stirring,
Coconut oil diethanol amine liquid 5g is added in the agitator again, is stirred evenly, is sealed, placement obtains environmentally friendly depainting powder 6.
Embodiment 7:
By sodium hydroxide 60g, sodium carbonate 15g, lauryl sodium sulfate 3g, sodium metasilicate 17g and coconut oil diethanol amine liquid 5g
It is put into agitator, booting stirs evenly, and sealing obtains environmentally friendly depainting powder 7.
Embodiment 8:
By sodium hydroxide 48g, sodium carbonate 20g, lauryl sodium sulfate 4g, coconut oil diethanol amine liquid 4g is put into agitator
Interior, booting stirs evenly, and sealing obtains environmentally friendly depainting powder 8.
Embodiment 9:
Sodium hydroxide 72g, sodium carbonate 10g, lauryl sodium sulfate 3g, sodium metasilicate 10g are put into agitator, booting stirring is equal
It is even, obtain environmentally friendly depainting powder 9.
Depainting powder obtained by Examples 1 to 9 is made into 5% solution when use, using 95 DEG C of temperature, is used for steel shell component
Paint layer depainting, the time for taking off paint layer is as follows.
| Product | The depainting time (min) |
| Depainting powder 1 | 12 |
| Depainting powder 2 | 18 |
| Depainting powder 3 | 16 |
| Depainting powder 4 | 19 |
| Depainting powder 5 | 21 |
| Depainting powder 6 | 20 |
| Depainting powder 7 | 35 |
| Depainting powder 8 | 58 |
| Depainting powder 9 | 62 |
By when above embodiments it can be concluded that, the paint removing effect of the embodiment of the present invention 1-3 is best, embodiment 1-3 and implementation
Example 4-7 be distinguished as preparation method difference, so preparation method play the role of to paint removing effect it is very crucial.
Compared with embodiment 2-3, formula changes embodiment 8-9, causes paint removing effect greatly different, so of the invention
Formula and preparation method and application method have big advantage compared with prior art.
The above is not intended to limit the scope of the present invention, and all technical spirits according to the present invention are to above
Any modification, equivalent variations and modification made by embodiment, in the range of still falling within technical solution of the present invention.
Claims (8)
1. a kind of environment-friendly type depainting powder, it is characterised in that: the mass percent of each raw material of the environment-friendly type depainting powder are as follows: hydrogen-oxygen
Change sodium 48~72%, sodium carbonate 10~20%, lauryl sodium sulfate 3~4%, sodium metasilicate 10~20%, coconut oil diethanol amine 5~
8%。
2. environment-friendly type depainting powder according to claim 1, it is characterised in that: the matter of each raw material of the environment-friendly type depainting powder
Measure percentage are as follows: sodium hydroxide 60%, sodium carbonate 15%, lauryl sodium sulfate 3%, sodium metasilicate 17%, coconut oil diethanol amine 5%.
3. environment-friendly type depainting powder according to claim 1, it is characterised in that: the preparation method comprises the following steps: first by sodium hydroxide, carbonic acid
Four kinds of sodium, lauryl sodium sulfate, sodium metasilicate powder are put into agitator in proportion, after by coconut oil diethanol amine liquid be added
It in the agitator, stirs evenly, obtains depainting powder.
4. environment-friendly type depainting powder according to claim 1, it is characterised in that: the preparation method comprises the following steps: by sodium hydroxide, carbonic acid
Sodium, lauryl sodium sulfate, sodium metasilicate are put into agitator in proportion, booting stirring, by coconut oil diethanol amine liquid 1/4-
3/4 amount is added in the agitator, stirs evenly, and seals, and places 3 hours, finally by remaining coconut oil diethanol amine liquid 3/4-
1/4 amount is added in agitator, stirs evenly, obtains environmentally friendly depainting powder.
5. environment-friendly type depainting powder according to claim 1, it is characterised in that: the preparation method comprises the following steps: by sodium hydroxide, carbonic acid
Sodium, lauryl sodium sulfate, sodium metasilicate are put into agitator in proportion, booting stirring, by 1/2 amount of coconut oil diethanol amine liquid
It is added in the agitator, stirs evenly, seal, place 3 hours, finally remaining 1/2 amount of coconut oil diethanol amine liquid is added
It in agitator, stirs evenly, obtains environmentally friendly depainting powder.
6. environment-friendly type depainting powder according to claim 1, it is characterised in that: its application method are as follows: by environment-friendly type depainting powder
It is configured to 5%~10% aqueous solution, carries out the depainting of metal surface.
7. environment-friendly type depainting powder according to claim 6, it is characterised in that: its application method are as follows: at 85~100 DEG C of temperature
Under the conditions of, impregnate 10~20min of depainting time.
8. environment-friendly type depainting powder according to claim 6, it is characterised in that: environment-friendly type depainting powder is configured to 5%~10% water
The specific steps of solution are as follows: 1/2 volumes of deionized water is 1. added in stainless steel sink；2. environmentally friendly depainting powder is added, stirring until
It is completely dissolved；3. plus deionized water to defined volume and is heated to 60~100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711551.2A CN109401419A (en) | 2017-08-18 | 2017-08-18 | A kind of environment-friendly type depainting powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711551.2A CN109401419A (en) | 2017-08-18 | 2017-08-18 | A kind of environment-friendly type depainting powder and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109401419A true CN109401419A (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710711551.2A Pending CN109401419A (en) | 2017-08-18 | 2017-08-18 | A kind of environment-friendly type depainting powder and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110113889A (en) * | 2019-04-14 | 2019-08-09 | 广州恒荣电子科技有限公司 | A kind of welding resistance character stripper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0176018A1 (en) * | 1984-09-24 | 1986-04-02 | Henkel Kommanditgesellschaft auf Aktien | Foam-type paint remover |
| CN104312257A (en) * | 2014-10-16 | 2015-01-28 | 陕西群力电工有限责任公司 | Enameled wire polyimide insulating layer nondestructive depainting powder and depainting method |
| CN104775130A (en) * | 2015-05-05 | 2015-07-15 | 柯斌清 | Environment-friendly efficient metal defatted powder and preparation method thereof |
| CN106590142A (en) * | 2016-12-29 | 2017-04-26 | 义乌市中科院兰州化物所功能材料中心 | Water-based paint remover applied to zipper production and preparation method thereof |
| US20190085184A1 (en) * | 2016-03-08 | 2019-03-21 | Chroma Australia Pty Limited | Washable paint composition |
-
2017
- 2017-08-18 CN CN201710711551.2A patent/CN109401419A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0176018A1 (en) * | 1984-09-24 | 1986-04-02 | Henkel Kommanditgesellschaft auf Aktien | Foam-type paint remover |
| CN104312257A (en) * | 2014-10-16 | 2015-01-28 | 陕西群力电工有限责任公司 | Enameled wire polyimide insulating layer nondestructive depainting powder and depainting method |
| CN104775130A (en) * | 2015-05-05 | 2015-07-15 | 柯斌清 | Environment-friendly efficient metal defatted powder and preparation method thereof |
| US20190085184A1 (en) * | 2016-03-08 | 2019-03-21 | Chroma Australia Pty Limited | Washable paint composition |
| CN106590142A (en) * | 2016-12-29 | 2017-04-26 | 义乌市中科院兰州化物所功能材料中心 | Water-based paint remover applied to zipper production and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张剑波: "《清洗技术基础教程》", 31 July 2004, 中国环境科学出版社 * |
| 李本高: "《现代工业水处理技术与应用》", 30 June 2004, 中国石化出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110113889A (en) * | 2019-04-14 | 2019-08-09 | 广州恒荣电子科技有限公司 | A kind of welding resistance character stripper |
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Application publication date: 20190301 |
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