CN106868490A - A kind of environmentally friendly stainless steel blackening process method - Google Patents
A kind of environmentally friendly stainless steel blackening process method Download PDFInfo
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- CN106868490A CN106868490A CN201611196908.XA CN201611196908A CN106868490A CN 106868490 A CN106868490 A CN 106868490A CN 201611196908 A CN201611196908 A CN 201611196908A CN 106868490 A CN106868490 A CN 106868490A
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- stainless steel
- environmentally friendly
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- blackening
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
Abstract
The invention belongs to stainless steel black-emitting technology field, and in particular to a kind of environmentally friendly stainless steel blackening process method, including by stainless steel work-piece surface activation process, blackening process and the several steps of drying.The present invention has advantages below compared to existing technology：After stainless steel work-piece is processed according to method in the present invention, the film adhesion of gained nigrescence is good, and sodium chloroplatinate and lead acetate synergy make film layer stabilization, not easy to crack, even film layer, abrasion and corrosion resistance is strong, and absorptance is high, can black under normal temperature condition, operating method is simple, environment-protecting asepsis.
Description
Technical field
The invention belongs to stainless steel black-emitting technology field, and in particular to a kind of environmentally friendly stainless steel blackening process side
Method.
Background technology
With the improvement of people ' s living standards and industrial expansion, it is widely used after the oxidized nigrescence of stainless steel surfaces
In electronics industry, building decoration, kitchen utensils, instrument and meter, auto industry, chemical industry equipment, sign printing and aerospace military project etc.
Various fields, stainless steel blackening agent for surface receives the concern and attention of people, existing technology institute as a kind of stainless steel coloring technology
The blackening agent for surface of use needs heating, and the time of nigrescence wants a few minutes to more than ten minutes, and the used time is more long, can may also pollute after use
Environment, accordingly, it would be desirable to stainless steel blackening agent for surface and its processing are studied.
The content of the invention
The purpose of the present invention is directed to existing problem, there is provided a kind of environmentally friendly stainless steel blackening process method.
The present invention is achieved by the following technical solutions：A kind of environmentally friendly stainless steel blackening process method, including
Following steps：
（1）Stainless steel work-piece is put into after surface cleaning in acidic activated liquid and is activated, activating solution is composed of the following components：
Niter cake 120-140g/L, sulfamic acid 10-25g/L, formic acid 40-60g/L；
（2）Stainless steel work-piece is put into blackening agent for surface, blackening agent for surface includes the raw material of following weight portion：Selenite 22-26 parts, ring
4-7 parts of oxypropylene acid esters, 3-5 parts of three contracting triethylene glycol, double benzimide 2-4 parts, niacinamide 1.5-2.4 parts, trinitrobenzen sulphur
Sour 3.5-4.8 parts, sodium chloroplatinate 2.2-4.6 parts, lead acetate 0.8-1.5 parts, ammonium metatungstate 0.4-0.7 parts, ammonium acetate tetrem
Acid disodium 0.1-0.3 parts, aminoglycoside 0.1-0.2 parts, water 50-60 parts, used ultrasonication 25-30 seconds under normal temperature condition；
（3）After the completion of take out washing, at a temperature of 85-90 DEG C dry 40-50 minutes.
Used as further improvement of these options, the pH value of the blackening agent for surface is 2.4, and total acidity is 15.6 points, is dissociated
Acidity is 5 points.
Used as further improvement of these options, the compound method of the blackening agent for surface is：
（1）55 DEG C are heated water to, selenite, epoxy acrylate, sodium chloroplatinate and lead acetate insulated and stirred 35- is added
40 minutes；
（2）After near 32-35 DEG C of above-mentioned solution, surplus stock is added, stirred 1.5-2 hours, adjusted to pH with pH adjusting agent
Be worth is 2.4；
（3）Normal temperature is cooled to, after standing 4 hours, you can packaging is used.
As further improvement of these options, the step（1）Middle surface cleaning processes include oil removing, rust cleaning and
Washing.
As further improvement of these options, the step（2）In ultrasonic frequency be 85-95W.
The present invention has advantages below compared to existing technology：After stainless steel work-piece is processed according to method in the present invention, institute
The film adhesion that must black is good, and sodium chloroplatinate and lead acetate synergy make film layer stabilization, and not easy to crack, even film layer is resistance to
Mill corrosion resistance is strong, and absorptance is high, can black under normal temperature condition, and operating method is simple, environment-protecting asepsis.
Specific embodiment
Embodiment 1
A kind of environmentally friendly stainless steel blackening process method, comprises the following steps：
（1）Stainless steel work-piece is put into after surface cleaning in acidic activated liquid and is activated, activating solution is composed of the following components：
Niter cake 12g/L, sulfamic acid 25g/L, formic acid 40g/L；
（2）Stainless steel work-piece is put into blackening agent for surface, blackening agent for surface includes the raw material of following weight portion：22 parts of selenite, epoxy
7 parts of acrylate, 3 parts of three contracting triethylene glycol, 4 parts of double benzimides, 1.5 parts of niacinamide, 4.8 parts of TNB, chlordene
2.2 parts of sodium platinate, 1.5 parts of lead acetate, 0.4 part of ammonium metatungstate, 0.3 part of ammonium acetate tetraacethyl disodium, 0.1 part of aminoglycoside, water
50 parts, used ultrasonication 25-30 seconds under normal temperature condition, supersonic frequency is 86W；
（3）After the completion of take out washing, at a temperature of 85-90 DEG C dry 40-50 minutes.
Wherein, the compound method of the blackening agent for surface is：
（1）55 DEG C are heated water to, selenite, epoxy acrylate, sodium chloroplatinate and lead acetate insulated and stirred 35- is added
40 minutes；
（2）After near 32-35 DEG C of above-mentioned solution, surplus stock is added, stirred 1.5-2 hours, adjusted to pH with pH adjusting agent
Be worth is 2.4；
（3）Normal temperature is cooled to, after standing 4 hours, you can packaging is used.
After the completion for the treatment of, nigrescence film layer progressive can be detected, it is as a result as follows：
Table 1
| Project | With reference to index | As a result |
| Outward appearance | QB/T 2505-2000 | Uniform color, densification, without obvious sediment thing |
| Attachment adhesion | GB/T 5519-1995 | Absorbent cotton is wiped 205 times and does not reveal matrix |
| Compactness | QB/T 3824-1999 | Mass concentration is 3% copper sulphate drop 72s nondiscolourings |
| Corrosion resistance | QB/T 2505-2000 | Mass concentration is that 3% sodium chloride solution soaks the corrosion-free spots of 8h |
Illustrate the film layer structure stabilization that processing method is formed on stainless steel work-piece surface in the present invention, with stronger adhesive force and
Corrosion resistance.
Embodiment 2
A kind of environmentally friendly stainless steel blackening process method, comprises the following steps：
（1）Stainless steel work-piece is put into after surface cleaning in acidic activated liquid and is activated, activating solution is composed of the following components：
Niter cake 130g/L, sulfamic acid 25g/L, formic acid 60g/L；
（2）Stainless steel work-piece is put into blackening agent for surface, blackening agent for surface includes the raw material of following weight portion：24 parts of selenite, epoxy
6 parts of acrylate, 4 parts of three contracting triethylene glycol, 3 parts of double benzimides, 2 parts of niacinamide, 4.2 parts of TNB, chlordene platinum
3.4 parts of sour sodium, 1.2 parts of lead acetate, 0.6 part of ammonium metatungstate, 0.2 part of ammonium acetate tetraacethyl disodium, 0.2 part of aminoglycoside, water 55
Part, to be used ultrasonication 25-30 seconds under normal temperature condition, supersonic frequency is 86W；
（3）After the completion of take out washing, at a temperature of 85-90 DEG C dry 40-50 minutes.
Wherein, the compound method of the blackening agent for surface is：
（1）55 DEG C are heated water to, selenite, epoxy acrylate, sodium chloroplatinate and lead acetate insulated and stirred 35- is added
40 minutes；
（2）After near 32-35 DEG C of above-mentioned solution, surplus stock is added, stirred 1.5-2 hours, adjusted to pH with pH adjusting agent
Be worth is 2.4；
（3）Normal temperature is cooled to, after standing 4 hours, you can packaging is used.
After the completion for the treatment of, nigrescence film layer progressive can be detected, it is as a result as follows：
Table 2
| Project | With reference to index | As a result |
| Outward appearance | QB/T 2505-2000 | Uniform color, densification, without obvious sediment thing |
| Attachment adhesion | GB/T 5519-1995 | Absorbent cotton is wiped 196 times and does not reveal matrix |
| Compactness | QB/T 3824-1999 | Mass concentration is 3% copper sulphate drop 69s nondiscolourings |
| Corrosion resistance | QB/T 2505-2000 | Mass concentration is that 3% sodium chloride solution soaks the corrosion-free spots of 7h30min |
Illustrate the film layer structure stabilization that processing method is formed on stainless steel work-piece surface in the present invention, with stronger adhesive force and
Corrosion resistance.
Embodiment 3
A kind of environmentally friendly stainless steel blackening process method, comprises the following steps：
（1）Stainless steel work-piece is put into after surface cleaning in acidic activated liquid and is activated, activating solution is composed of the following components：
Niter cake 140g/L, sulfamic acid 18g/L, formic acid 50g/L；
（2）Stainless steel work-piece is put into blackening agent for surface, blackening agent for surface includes the raw material of following weight portion：26 parts of selenite, epoxy
7 parts of acrylate, 5 parts of three contracting triethylene glycol, 3 parts of double benzimides, 2.2 parts of niacinamide, 3.5 parts of TNB, chlordene
4.6 parts of sodium platinate, 1.5 parts of lead acetate, 0.4 part of ammonium metatungstate, 0.3 part of ammonium acetate tetraacethyl disodium, 0.2 part of aminoglycoside, water
60 parts, used ultrasonication 25-30 seconds under normal temperature condition, supersonic frequency is 86W；
（3）After the completion of take out washing, at a temperature of 85-90 DEG C dry 40-50 minutes.
Wherein, the compound method of the blackening agent for surface is：
（1）55 DEG C are heated water to, selenite, epoxy acrylate, sodium chloroplatinate and lead acetate insulated and stirred 35- is added
40 minutes；
（2）After near 32-35 DEG C of above-mentioned solution, surplus stock is added, stirred 1.5-2 hours, adjusted to pH with pH adjusting agent
Be worth is 2.4；
（3）Normal temperature is cooled to, after standing 4 hours, you can packaging is used.
After the completion for the treatment of, nigrescence film layer progressive can be detected, it is as a result as follows：
Table 3
| Project | With reference to index | As a result |
| Outward appearance | QB/T 2505-2000 | Uniform color, densification, without obvious sediment thing |
| Attachment adhesion | GB/T 5519-1995 | Absorbent cotton is wiped 207 times and does not reveal matrix |
| Compactness | QB/T 3824-1999 | Mass concentration is 3% copper sulphate drop 75s nondiscolourings |
| Corrosion resistance | QB/T 2505-2000 | Mass concentration is that 3% sodium chloride solution soaks the corrosion-free spots of 8h |
Illustrate the film layer structure stabilization that processing method is formed on stainless steel work-piece surface in the present invention, with stronger adhesive force and
Corrosion resistance.
Claims (5)
1. a kind of environmentally friendly stainless steel blackening process method, it is characterised in that comprise the following steps：
（1）Stainless steel work-piece is put into after surface cleaning in acidic activated liquid and is activated, activating solution is composed of the following components：
Niter cake 120-140g/L, sulfamic acid 10-25g/L, formic acid 40-60g/L；
（2）Stainless steel work-piece is put into blackening agent for surface, blackening agent for surface includes the raw material of following weight portion：Selenite 22-26 parts, ring
4-7 parts of oxypropylene acid esters, 3-5 parts of three contracting triethylene glycol, double benzimide 2-4 parts, niacinamide 1.5-2.4 parts, trinitrobenzen sulphur
Sour 3.5-4.8 parts, sodium chloroplatinate 2.2-4.6 parts, lead acetate 0.8-1.5 parts, ammonium metatungstate 0.4-0.7 parts, ammonium acetate tetrem
Acid disodium 0.1-0.3 parts, aminoglycoside 0.1-0.2 parts, water 50-60 parts, used ultrasonication 25-30 seconds under normal temperature condition；
（3）After the completion of take out washing, at a temperature of 85-90 DEG C dry 40-50 minutes.
2. as claimed in claim 1 a kind of environmentally friendly stainless steel blackening process method, it is characterised in that the blackening agent for surface
PH value is 2.4, and total acidity is 15.6 points, and free acidity is 5 points.
3. as claimed in claim 2 a kind of environmentally friendly stainless steel blackening process method, it is characterised in that the blackening agent for surface
Compound method is：
（1）55 DEG C are heated water to, selenite, epoxy acrylate, sodium chloroplatinate and lead acetate insulated and stirred 35- is added
40 minutes；
（2）After near 32-35 DEG C of above-mentioned solution, surplus stock is added, stirred 1.5-2 hours, adjusted to pH with pH adjusting agent
Be worth is 2.4；
（3）Normal temperature is cooled to, after standing 4 hours, you can packaging is used.
4. as claimed in claim 1 a kind of environmentally friendly stainless steel blackening process method, it is characterised in that the step（1）
Middle surface cleaning processes include oil removing, rust cleaning and wash.
5. as claimed in claim 1 a kind of environmentally friendly stainless steel blackening process method, it is characterised in that the step（2）
In ultrasonic frequency be 85-95W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611196908.XA CN106868490A (en) | 2016-12-22 | 2016-12-22 | A kind of environmentally friendly stainless steel blackening process method |
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| CN201611196908.XA CN106868490A (en) | 2016-12-22 | 2016-12-22 | A kind of environmentally friendly stainless steel blackening process method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794524A (en) * | 2017-10-18 | 2018-03-13 | 广东百合医疗科技股份有限公司 | A kind of stainless steel blackening agent for surface, blackening method |
| CN112071946A (en) * | 2019-05-21 | 2020-12-11 | 北京铂阳顶荣光伏科技有限公司 | Preparation method of thin-film solar cell |
| CN113481495A (en) * | 2021-06-21 | 2021-10-08 | 豪梅特紧固件系统(苏州)有限公司 | Bolt surface blackening treatment liquid and blackening treatment method thereof |
| CN115584505A (en) * | 2022-09-28 | 2023-01-10 | 湖南金裕环保科技有限公司 | Stainless steel chemical polishing agent, preparation method and application |
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| CN102021548A (en) * | 2010-12-18 | 2011-04-20 | 江苏德美科技有限公司 | Blackening agent used for steel and iron surface at room temperature and preparation method for blackening agent at room temperature |
| CN102994996A (en) * | 2012-12-06 | 2013-03-27 | 三达奥克化学股份有限公司 | Non-toxic environment-friendly normal temperature steel nigrescence treating agent and preparation method thereof |
| CN105315829A (en) * | 2015-12-02 | 2016-02-10 | 马鞍山市三江机械有限公司 | Room-temperature rust removal blackening agent and preparation method thereof |
| CN105695972A (en) * | 2014-11-28 | 2016-06-22 | 重庆伊曼环保设备有限公司 | Steel blackening process |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102021548A (en) * | 2010-12-18 | 2011-04-20 | 江苏德美科技有限公司 | Blackening agent used for steel and iron surface at room temperature and preparation method for blackening agent at room temperature |
| CN102994996A (en) * | 2012-12-06 | 2013-03-27 | 三达奥克化学股份有限公司 | Non-toxic environment-friendly normal temperature steel nigrescence treating agent and preparation method thereof |
| CN105695972A (en) * | 2014-11-28 | 2016-06-22 | 重庆伊曼环保设备有限公司 | Steel blackening process |
| CN105315829A (en) * | 2015-12-02 | 2016-02-10 | 马鞍山市三江机械有限公司 | Room-temperature rust removal blackening agent and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794524A (en) * | 2017-10-18 | 2018-03-13 | 广东百合医疗科技股份有限公司 | A kind of stainless steel blackening agent for surface, blackening method |
| CN112071946A (en) * | 2019-05-21 | 2020-12-11 | 北京铂阳顶荣光伏科技有限公司 | Preparation method of thin-film solar cell |
| CN113481495A (en) * | 2021-06-21 | 2021-10-08 | 豪梅特紧固件系统(苏州)有限公司 | Bolt surface blackening treatment liquid and blackening treatment method thereof |
| CN113481495B (en) * | 2021-06-21 | 2023-03-17 | 豪梅特紧固件系统(苏州)有限公司 | Bolt surface blackening treatment liquid and blackening treatment method thereof |
| CN115584505A (en) * | 2022-09-28 | 2023-01-10 | 湖南金裕环保科技有限公司 | Stainless steel chemical polishing agent, preparation method and application |
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Application publication date: 20170620 |
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