CN102994996A - Non-toxic and environment-friendly steel normal temperature blackening treatment agent and preparation method - Google Patents
Non-toxic and environment-friendly steel normal temperature blackening treatment agent and preparation method Download PDFInfo
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- CN102994996A CN102994996A CN2012105181127A CN201210518112A CN102994996A CN 102994996 A CN102994996 A CN 102994996A CN 2012105181127 A CN2012105181127 A CN 2012105181127A CN 201210518112 A CN201210518112 A CN 201210518112A CN 102994996 A CN102994996 A CN 102994996A
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- Prior art keywords
- toxic
- disodium
- edta
- treatment agent
- citric acid
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 231100000252 nontoxic Toxicity 0.000 title claims abstract description 9
- 230000003000 nontoxic effect Effects 0.000 title claims abstract description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 30
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims abstract description 20
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- LXAHHHIGZXPRKQ-UHFFFAOYSA-N 5-fluoro-2-methylpyridine Chemical compound CC1=CC=C(F)C=N1 LXAHHHIGZXPRKQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims abstract description 10
- 229940010552 ammonium molybdate Drugs 0.000 claims abstract description 10
- 235000018660 ammonium molybdate Nutrition 0.000 claims abstract description 10
- 239000011609 ammonium molybdate Substances 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- RRIWRJBSCGCBID-UHFFFAOYSA-L nickel sulfate hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-]S([O-])(=O)=O RRIWRJBSCGCBID-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229940116202 nickel sulfate hexahydrate Drugs 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 16
- 238000004040 coloring Methods 0.000 claims description 9
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 8
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 claims description 8
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 8
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 4
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 abstract 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract 2
- 235000019345 sodium thiosulphate Nutrition 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- MFXMOUUKFMDYLM-UHFFFAOYSA-L zinc;dihydrogen phosphate Chemical compound [Zn+2].OP(O)([O-])=O.OP(O)([O-])=O MFXMOUUKFMDYLM-UHFFFAOYSA-L 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- MCAHWIHFGHIESP-UHFFFAOYSA-N selenous acid Chemical compound O[Se](O)=O MCAHWIHFGHIESP-UHFFFAOYSA-N 0.000 description 2
- -1 tin anhydride Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a non-toxic environment-friendly steel normal-temperature blackening treating agent which comprises the following components in percentage by mass: 1-5% of copper sulfate pentahydrate, 1-4% of zinc dihydrogen phosphate, 1-6% of zinc nitrate, 0.1-0.3% of citric acid, 1-2% of EDTA-disodium, 1-6% of sodium thiosulfate, 1-4% of ammonium molybdate, 0.5-1.5% of nickel sulfate hexahydrate, 0.1-0.6% of hydroquinone, 0.5-1.5% of potassium dichromate and the balance of water. The preparation method comprises the following steps in sequence: firstly, adding calculated and weighed water into a reaction kettle, starting a stirrer, controlling the rotating speed to be 60 revolutions per minute, then slowly adding calculated and weighed copper sulfate pentahydrate, nickel sulfate hexahydrate, citric acid, zinc dihydrogen phosphate, zinc nitrate, EDTA-disodium, sodium thiosulfate, ammonium molybdate, hydroquinone and potassium dichromate into the reaction kettle, stirring until the raw materials are fully dissolved when each raw material is added, and finally stirring until the solution is yellow green opaque and uniform.
Description
Technical field
The present invention relates to a kind of room temperature blackening treatment agent and preparation method, especially a kind of stay-in-grade non-toxic, environmental friendly Chemical Colouring of Steel at Room Temperature treatment agent and preparation method.
Background technology
At present, the iron and steel parts normal temperature blackening processing technology is used in industrial production.But existing room temperature blackening treatment agent all contains toxic extremely strong tin anhydride or selenous acid basically, and is not only harmful to operator's health, also is unfavorable for environmental protection.Chemical Colouring of Steel at Room Temperature is processed and also have following outstanding problem in industrial production simultaneously: the blackening process working fluid is unstable and work-ing life is short, processing parameter is strict.Above-mentioned defect has hindered the widespread use of Chemical Colouring of Steel at Room Temperature treatment technology and has developed rapidly.
Summary of the invention
The present invention is in order to solve the existing above-mentioned technical problem of prior art, a kind of stay-in-grade non-toxic, environmental friendly Chemical Colouring of Steel at Room Temperature treatment agent and preparation method to be provided.
Technical solution of the present invention is: a kind of non-toxic, environmental friendly Chemical Colouring of Steel at Room Temperature treatment agent is characterized in that being made of the component of following mass percent: cupric sulfate pentahydrate 1-5%, primary zinc phosphate 1-4%, zinc nitrate 1-6%, citric acid 0.1-0.3%, EDTA-disodium 1-2%, Sulfothiorine 1-6%, ammonium molybdate 1-4%, nickel sulfate hexahydrate 0.5-1.5%, Resorcinol 0.1-0.6%, potassium bichromate 0.5-1.5% and water surplus.
A kind of preparation method of above-mentioned non-toxic, environmental friendly Chemical Colouring of Steel at Room Temperature treatment agent, it is characterized in that carrying out as follows successively: the water that will calculate first weighing joins in the reactor, start agitator, the control rotating speed is 60 rev/mins, then will calculate successively the cupric sulfate pentahydrate of weighing, nickel sulfate hexahydrate, citric acid, primary zinc phosphate, zinc nitrate, the EDTA-disodium, Sulfothiorine, ammonium molybdate, Resorcinol, potassium bichromate joins in the reactor slowly, whenever add a kind of raw material and all must be stirred to abundant dissolving, be stirred at last solution and be the opaque uniform liquid of yellow-green colour.
The present invention does not contain the extremely strong tin anhydride of toxicity or selenous acid, and healthy harmless to the operator is beneficial to environmental protection, has simultaneously steady quality and long service life, simple operation and other advantages.
Embodiment
Embodiment 1:
Raw materials used and mass percent is as follows: cupric sulfate pentahydrate 1%, primary zinc phosphate 4%, zinc nitrate 1%, citric acid 0.3%, EDTA-disodium 1%, Sulfothiorine 6%, ammonium molybdate 1%, nickel sulfate hexahydrate 1.5%, Resorcinol 0.1%, potassium bichromate 1.5% and water surplus.
The preparation method carries out successively as follows: the water that will calculate first weighing joins in the reactor, start agitator, the control rotating speed is 60 rev/mins, then cupric sulfate pentahydrate, nickel sulfate hexahydrate, citric acid, primary zinc phosphate, zinc nitrate, EDTA-disodium, Sulfothiorine, ammonium molybdate, Resorcinol, the potassium bichromate that will calculate successively weighing join in the reactor slowly, whenever add a kind of raw material and all must be stirred to abundant dissolving, be stirred at last solution and be the opaque uniform liquid of yellow-green colour.
Embodiment 2:
Raw material and production method are all with embodiment 1, and its raw materials quality per-cent is as follows: cupric sulfate pentahydrate 5%, primary zinc phosphate 1%, zinc nitrate 6%, citric acid 0.1%, EDTA-disodium 2%, Sulfothiorine 1%, ammonium molybdate 4%, nickel sulfate hexahydrate 0.5%, Resorcinol 0.6%, potassium bichromate 0.5% and water surplus.
Embodiment 3:
Raw material and production method are all with embodiment 1, and its raw materials quality per-cent is as follows: cupric sulfate pentahydrate 3%, primary zinc phosphate 2%, zinc nitrate 4%, citric acid 0.2%, EDTA-disodium 1.5%, Sulfothiorine 3%, ammonium molybdate 2%, nickel sulfate hexahydrate 1.0%, Resorcinol 0.3%, potassium bichromate 1.0% and water surplus.
During use, the embodiment of the invention 1,2 or 3 is added water preparation working fluid for 1:10 by volume, and adopt phosphoric acid to adjust the pH value to 1.0-2.0Pt, this moment, working fluid was blackish green, process 20-30min according to the unlike material room temperature blackening, can obtain the splendid room temperature blackening rete of bonding strength, the work tank liquor is stable.
Performance index: standard WJ535-82 " steel-iron components alkali electroless oxidation technology condition " the piece test result after blackout who promulgates with reference to Ministry of ordnance Industry:
1. be not less than 32 seconds with the experiment of 3% copper sulfate drop, variable color time (15-20 ℃).
2. conformance with standard still after in 3% neutral aqueous solution of sodium oxide, soaking 2 hours.
The result shows that workpiece performance that the present invention processes reaches the requirement of ministerial standard.
Claims (2)
1. a non-toxic, environmental friendly Chemical Colouring of Steel at Room Temperature treatment agent is characterized in that being made of the component of following mass percent: cupric sulfate pentahydrate 1-5%, primary zinc phosphate 1-4%, zinc nitrate 1-6%, citric acid 0.1-0.3%, EDTA-disodium 1-2%, Sulfothiorine 1-6%, ammonium molybdate 1-4%, nickel sulfate hexahydrate 0.5-1.5%, Resorcinol 0.1-0.6%, potassium bichromate 0.5-1.5% and water surplus.
2. the preparation method of a non-toxic, environmental friendly Chemical Colouring of Steel at Room Temperature treatment agent as claimed in claim 1, it is characterized in that carrying out as follows successively: the water that will calculate first weighing joins in the reactor, start agitator, the control rotating speed is 60 rev/mins, then will calculate successively the cupric sulfate pentahydrate of weighing, nickel sulfate hexahydrate, citric acid, primary zinc phosphate, zinc nitrate, the EDTA-disodium, Sulfothiorine, ammonium molybdate, Resorcinol, potassium bichromate joins in the reactor slowly, whenever add a kind of raw material and all must be stirred to abundant dissolving, be stirred at last solution and be the opaque uniform liquid of yellow-green colour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105181127A CN102994996A (en) | 2012-12-06 | 2012-12-06 | Non-toxic and environment-friendly steel normal temperature blackening treatment agent and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105181127A CN102994996A (en) | 2012-12-06 | 2012-12-06 | Non-toxic and environment-friendly steel normal temperature blackening treatment agent and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102994996A true CN102994996A (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105181127A Pending CN102994996A (en) | 2012-12-06 | 2012-12-06 | Non-toxic and environment-friendly steel normal temperature blackening treatment agent and preparation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN102994996A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469187A (en) * | 2013-08-14 | 2013-12-25 | 南京久道科技有限公司 | Treatment fluid for phosphatizing and blackening steel surface |
| CN106086680A (en) * | 2016-08-16 | 2016-11-09 | 宁波瑞国精机工业有限公司 | A kind of high strength nut and processing method thereof |
| CN106282819A (en) * | 2016-08-16 | 2017-01-04 | 宁波瑞国精机工业有限公司 | A kind of high-strength pin and processing method thereof |
| CN106868490A (en) * | 2016-12-22 | 2017-06-20 | 当涂县宏宇金属炉料有限责任公司 | A kind of environmentally friendly stainless steel blackening process method |
| CN106967970A (en) * | 2017-04-10 | 2017-07-21 | 武汉迪赛新材料有限公司 | Normal-temperature blackening passivating agent for steel surface |
| CN103834942B (en) * | 2013-11-30 | 2017-08-01 | 湖北侨光石化装备股份有限公司 | Multifunction surface processing pond and its hair blackening liquid |
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|---|---|---|---|---|
| EP0258202A1 (en) * | 1986-08-11 | 1988-03-02 | Mitchell Bradford International Corp. | Room temperature blackening solution and method for forming a black coating on a ferrous metal substrate |
| CN102011117A (en) * | 2010-12-02 | 2011-04-13 | 合肥华清金属表面处理有限责任公司 | Environmental-friendly room-temperature steel blackening agent and preparation method thereof |
| CN102031510A (en) * | 2010-12-30 | 2011-04-27 | 合肥华清金属表面处理有限责任公司 | Metal zinc coating blackening agent and preparation method thereof |
| CN102560457A (en) * | 2011-12-29 | 2012-07-11 | 蚌埠市钰诚五金工贸有限公司 | Normal temperature blackening treatment agent for metal surface |
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2012
- 2012-12-06 CN CN2012105181127A patent/CN102994996A/en active Pending
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| EP0258202A1 (en) * | 1986-08-11 | 1988-03-02 | Mitchell Bradford International Corp. | Room temperature blackening solution and method for forming a black coating on a ferrous metal substrate |
| CN102011117A (en) * | 2010-12-02 | 2011-04-13 | 合肥华清金属表面处理有限责任公司 | Environmental-friendly room-temperature steel blackening agent and preparation method thereof |
| CN102031510A (en) * | 2010-12-30 | 2011-04-27 | 合肥华清金属表面处理有限责任公司 | Metal zinc coating blackening agent and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469187A (en) * | 2013-08-14 | 2013-12-25 | 南京久道科技有限公司 | Treatment fluid for phosphatizing and blackening steel surface |
| CN103469187B (en) * | 2013-08-14 | 2015-07-29 | 南京久道科技有限公司 | For the treatment solution of steel surface phosphatization melanism |
| CN103834942B (en) * | 2013-11-30 | 2017-08-01 | 湖北侨光石化装备股份有限公司 | Multifunction surface processing pond and its hair blackening liquid |
| CN106086680A (en) * | 2016-08-16 | 2016-11-09 | 宁波瑞国精机工业有限公司 | A kind of high strength nut and processing method thereof |
| CN106282819A (en) * | 2016-08-16 | 2017-01-04 | 宁波瑞国精机工业有限公司 | A kind of high-strength pin and processing method thereof |
| CN106086680B (en) * | 2016-08-16 | 2018-02-09 | 宁波瑞国精机工业有限公司 | A kind of high strength nut and its processing method |
| CN106282819B (en) * | 2016-08-16 | 2018-02-09 | 宁波瑞国精机工业有限公司 | A kind of high-strength pin and its processing method |
| CN106868490A (en) * | 2016-12-22 | 2017-06-20 | 当涂县宏宇金属炉料有限责任公司 | A kind of environmentally friendly stainless steel blackening process method |
| CN106967970A (en) * | 2017-04-10 | 2017-07-21 | 武汉迪赛新材料有限公司 | Normal-temperature blackening passivating agent for steel surface |
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Application publication date: 20130327 |