CN104357818A - Composition for steel phosphating and preparation method thereof - Google Patents
Composition for steel phosphating and preparation method thereof Download PDFInfo
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- CN104357818A CN104357818A CN201410650864.8A CN201410650864A CN104357818A CN 104357818 A CN104357818 A CN 104357818A CN 201410650864 A CN201410650864 A CN 201410650864A CN 104357818 A CN104357818 A CN 104357818A
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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
- C23C22/07—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 phosphates
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Abstract
The invention discloses a composition for steel phosphating and a preparation method thereof. The composition is composed of the following components in parts by mass: 2-6 parts of sodium nitrate, 2-4 parts of sodium citrate, 15-25 parts of iron manganese dihydrogen phosphate, 5-10 parts of magnesium oxide, 10-20 parts of nickel nitrate, 2-5 parts of copper sulfate, 1-3 parts of sulfosalicylic acid, 2-5 parts of polyethyleneglycol and 500-900 parts of deionized water. The preparation method comprises the following steps: a. weighing the components according to parts by mass; b. adding the sodium citrate, sulfosalicylic acid and polyethyleneglycol into another deionized water; and c. uniformly mixing the solutions obtained in the step a and step b. The composition for steel phosphating can complete phosphating within 8-10 minutes, and has the advantages of high phosphating speed and short required lime for phosphating; and the surface of the phosphated steel has bright color.
Description
Technical field
The present invention relates to steel surface processing technology field, particularly a kind of composition and method of making the same for steel iron phosphatising.
Background technology
Iron and steel is modern Application structured material the most widely, in order to bear the corrosion of oxygen and water in air, usually carries out surface treatment to ferrous materials, is not subject to the rete of water and the impact of other corrosive mediums at surface formation energy protection metal.Such as, bonderizing can be carried out to steel material surface.
Phosphatization is the process that a kind of chemistry and electrochemical reaction form phosphate chemical conversion film, and the phosphate conversion film formed is referred to as phosphatize phosphate coat.The object of phosphatization is mainly as follows: one, provide protection to matrix metal, prevents metal to be corroded to a certain extent; Two, for front bottoming of painting, sticking power and the anti-corrosion capability of paint film layer is improved; Three, in metal cold complete processing, play antifriction lubrication use.
Phosphatization generally includes first clean metal surface, then under given conditions, by flooding, brushing, spray, spray the processing methodes such as combination, contact with Phosphating Solution, to be generated in metallic surface by chemistry or electrochemical reaction and stablize, be insoluble in water and shaggy phosphatize phosphate coat.
But still have a lot of defect for the parkerized Phosphating Solution of ferrous materials at present, the various aspects of performance of Phosphating Solution still haves much room for improvement.Application number be 201310352940.2 patent discloses a kind for the treatment of solution for steel surface phosphatization melanism, this treatment solution is made up of the raw material of following quality proportioning: primary zinc phosphate 30 parts ~ 35 parts, cupric sulfate pentahydrate 0.2 part ~ 0.4 part, zinc nitrate 45 parts ~ 50 parts, Sodium Nitrite 0.5 part ~ 1.0 parts, sulphosalicylic acid 0.1 part ~ 0.3 part, nickelous nitrate 1.0 parts ~ 2.0 parts, ammonium molybdate 6.0 parts ~ 8.0 parts, 2.0 parts ~ 4.0 parts, Sulfothiorine, citric acid 2.0 parts ~ 4.0 parts, polyacrylic acid 10 parts ~ 20 parts, distilled water 700 parts ~ 1000 parts.This Phosphating Solution phosphatization ferrous materials speed is slow, and phosphatization required time is long.
Application number be 201210096112.2 patent discloses a kind of composition for steel iron phosphatising, it is slow equally to there is phosphatization ferrous materials speed in this phosphorization composition, the problem that phosphatization required time is long, and the phosphatize phosphate coat gray generated is to black, and color and luster is bright not.
Summary of the invention
The object of the invention is to provide that a kind of phosphatization speed is fast, phosphatization required time is short to overcome above the deficiencies in the prior art, and the composition and method of making the same for steel iron phosphatising of steel surface bright in color after phosphatization.
A kind of composition for steel iron phosphatising of the present invention is made up of the component of following mass fraction: SODIUMNITRATE 2-6 part, Trisodium Citrate 2-4 part, phosphate dihydrogen manganese molysite 15-25 part, magnesium oxide 5-10 part, nickelous nitrate 10-20 part, copper sulfate 2-5 part, sulphosalicylic acid 1-3 part, polyoxyethylene glycol 2-5 part, deionized water 500-900 part.
Preferably, a kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 3-5 part, Trisodium Citrate 2-3 part, phosphate dihydrogen manganese molysite 18-22 part, magnesium oxide 6-9 part, nickelous nitrate 12-18 part, copper sulfate 3-5 part, sulphosalicylic acid 2-3 part, polyoxyethylene glycol 3-4 part, deionized water 700-900 part.
Preferred, a kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 4 parts, Trisodium Citrate 2.5 parts, 20 parts, phosphate dihydrogen manganese molysite, 8 parts, magnesium oxide, nickelous nitrate 15 parts, 4 parts, copper sulfate, sulphosalicylic acid 2.5 parts, polyoxyethylene glycol 3.5 parts, deionized water 800 parts.
For a preparation method for the composition of steel iron phosphatising, comprise the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 3-6 minute to dissolving completely, controlling stirring velocity is that 40-60 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 5-10 minute to dissolving completely, controlling stirring velocity is that 30-50 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 10-25 minute for steel iron phosphatising.
Preferably, stirring 4-5 minute described in step a to dissolving completely.
Preferably, the control stirring velocity described in step a is 50 turns/min.
Preferably, stirring 6-8 minute described in step b to dissolving completely.
Preferably, the control stirring velocity described in step b is 40 turns/min.
Preferably, the reaction described in step c 15 minutes.
Beneficial effect:
What use the present invention to prepare can complete phosphatization in the composition 8-10 for steel iron phosphatising minute, and phosphatization speed is fast, phosphatization required time is short, and steel surface bright in color after phosphatization.
Composition for steel iron phosphatising provided by the invention is compared with the Phosphating Solution of prior art, specific as follows:
1, the present invention is by introducing cupric ion, can generate cupric oxide, as layer protective layer above can covering, thus improves the Corrosion Protection of phosphatize phosphate coat.
2, the composition for steel iron phosphatising using the present invention to prepare carries out phosphatization, within 8-10 minute, can complete phosphatization, and phosphatization speed is fast, phosphatization required time is short, and working efficiency is high.
3, the present invention is used for the preparation method of the composition of steel iron phosphatising simply, and low in raw material price, cost is low.
4, the composition for steel iron phosphatising prepared of the present invention is nontoxic, to operator ' s health and environment all harmless, and during die casting, part and mould can not cohere, and phosphatization is effective.
Embodiment
Embodiment 1
A kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 2 parts, Trisodium Citrate 2 parts, 15 parts, phosphate dihydrogen manganese molysite, 5 parts, magnesium oxide, nickelous nitrate 10 parts, 2 parts, copper sulfate, sulphosalicylic acid 1 part, polyoxyethylene glycol 2 parts, deionized water 500 parts.
For a preparation method for the composition of steel iron phosphatising, comprise the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 3 minutes to dissolving completely, controlling stirring velocity is 40 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 5 minutes to dissolving completely, controlling stirring velocity is 30 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 10 minutes for steel iron phosphatising.
Embodiment 2
A kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 6 parts, Trisodium Citrate 4 parts, 25 parts, phosphate dihydrogen manganese molysite, 10 parts, magnesium oxide, nickelous nitrate 20 parts, 5 parts, copper sulfate, sulphosalicylic acid 3 parts, polyoxyethylene glycol 5 parts, deionized water 900 parts.
For a preparation method for the composition of steel iron phosphatising, comprise the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 4 minutes to dissolving completely, controlling stirring velocity is 45 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 6 minutes to dissolving completely, controlling stirring velocity is 35 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 12 minutes for steel iron phosphatising.
Embodiment 3
A kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 3 parts, Trisodium Citrate 2 parts, 18 parts, phosphate dihydrogen manganese molysite, 6 parts, magnesium oxide, nickelous nitrate 12 parts, 3 parts, copper sulfate, sulphosalicylic acid 2 parts, polyoxyethylene glycol 3 parts, deionized water 700 parts.
For a preparation method for the composition of steel iron phosphatising, comprise the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 5 minutes to dissolving completely, controlling stirring velocity is 55 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 8 minutes to dissolving completely, controlling stirring velocity is 45 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 20 minutes for steel iron phosphatising.
Embodiment 4
A kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 5 parts, Trisodium Citrate 3 parts, 22 parts, phosphate dihydrogen manganese molysite, 9 parts, magnesium oxide, nickelous nitrate 18 parts, 5 parts, copper sulfate, sulphosalicylic acid 3 parts, polyoxyethylene glycol 4 parts, deionized water 900 parts.
For a preparation method for the composition of steel iron phosphatising, comprise the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 6 minutes to dissolving completely, controlling stirring velocity is 60 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 10 minutes to dissolving completely, controlling stirring velocity is 50 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 25 minutes for steel iron phosphatising.
Embodiment 5
A kind of composition for steel iron phosphatising is made up of the component of following mass fraction: SODIUMNITRATE 4 parts, Trisodium Citrate 2.5 parts, 20 parts, phosphate dihydrogen manganese molysite, 8 parts, magnesium oxide, nickelous nitrate 15 parts, 4 parts, copper sulfate, sulphosalicylic acid 2.5 parts, polyoxyethylene glycol 3.5 parts, deionized water 800 parts.
For a preparation method for the composition of steel iron phosphatising, comprise the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 5 minutes to dissolving completely, controlling stirring velocity is 50 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 9 minutes to dissolving completely, controlling stirring velocity is 40 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 15 minutes for steel iron phosphatising.
Using method is as follows:
Iron and steel after pre-treatment, after hydrochloride derusting activation, be immersed in prepared by the present invention in the composition of steel iron phosphatising, soak 8-10 minute, then take out steel plate washed with de-ionized water, dry up and namely complete bonderizing.
After completing above-described embodiment parkerizing process, the phosphatize phosphate coat of formation detects, and find steel surface light, phosphorization membrane is fine and close, and film is 5.9-6.3g/m heavily about
2, soak in 5% sodium chloride solution under normal temperature after tested, within 80-100 hour, just occur rust staining, phosphatize phosphate coat sticking power reaches one-level.
The composition for steel iron phosphatising prepared above-described embodiment carries out phosphorization capacity and phosphatization required time is tested, and compares with existing Phosphating Solution, and record testing data, concrete outcome is in table 1.
Table 1
As shown in Table 1, the composition for steel iron phosphatising using the present invention to prepare carries out phosphatization, within 8-10 minute, phosphatization can be completed, phosphatization speed is fast, phosphatization required time is short, and existing Phosphating Solution needs about 20 minutes, and the composition for steel iron phosphatising prepared by the present invention is nontoxic, to operator ' s health and environment all harmless, steel surface bright in color after phosphatization simultaneously, during die casting, part and mould can not cohere, and phosphatization is effective.
Claims (9)
1. for a composition for steel iron phosphatising, it is characterized in that being made up of the component of following mass fraction: SODIUMNITRATE 2-6 part, Trisodium Citrate 2-4 part, phosphate dihydrogen manganese molysite 15-25 part, magnesium oxide 5-10 part, nickelous nitrate 10-20 part, copper sulfate 2-5 part, sulphosalicylic acid 1-3 part, polyoxyethylene glycol 2-5 part, deionized water 500-900 part.
2. a kind of composition for steel iron phosphatising according to claim 1, is characterized in that being made up of the component of following mass fraction: SODIUMNITRATE 3-5 part, Trisodium Citrate 2-3 part, phosphate dihydrogen manganese molysite 18-22 part, magnesium oxide 6-9 part, nickelous nitrate 12-18 part, copper sulfate 3-5 part, sulphosalicylic acid 2-3 part, polyoxyethylene glycol 3-4 part, deionized water 700-900 part.
3. a kind of composition for steel iron phosphatising according to claim 1, is characterized in that being made up of the component of following mass fraction: sodium laurylsulfonate 3 parts, triethylamine alcohol 3 parts, ethoxylated dodecyl alcohol 4 parts, primary zinc phosphate 6 parts, 4 parts, magnesium chloride, water glass 5 parts, phosphatase 11 5 parts, copper hydroxide 6 parts, nickelous nitrate 2 parts, gac 7 parts, deionized water 48 parts.
4. a preparation method for the composition for steel iron phosphatising as described in any one of claims 1 to 3, is characterized in that comprising the following steps:
A, take component according to mass fraction, deionized water is divided into two parts, then first join in a copy of it deionized water by SODIUMNITRATE, copper sulfate, phosphate dihydrogen manganese molysite, nickelous nitrate and magnesium oxide, stir 3-6 minute to dissolving completely, controlling stirring velocity is that 40-60 turns/min;
B, join in another part of deionized water by Trisodium Citrate, sulphosalicylic acid and polyoxyethylene glycol, stir 5-10 minute to dissolving completely, controlling stirring velocity is that 30-50 turns/min;
C, the solution that step a and step b obtains to be mixed, react the composition namely obtained after 10-25 minute for steel iron phosphatising.
5. the preparation method of a kind of composition for steel iron phosphatising according to claim 4, is characterized in that the stirring 4-5 described in step a minute to dissolving completely.
6. the preparation method of a kind of composition for steel iron phosphatising according to claim 4, is characterized in that the control stirring velocity described in step a is 50 turns/min.
7. the preparation method of a kind of composition for steel iron phosphatising according to claim 4, is characterized in that the stirring 6-8 described in step b minute to dissolving completely.
8. the preparation method of a kind of composition for steel iron phosphatising according to claim 4, is characterized in that the control stirring velocity described in step b is 40 turns/min.
9. the preparation method of a kind of composition for steel iron phosphatising according to claim 4, is characterized in that the reaction described in step c 15 minutes.
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| CN201410650864.8A CN104357818B (en) | 2014-11-14 | 2014-11-14 | A kind of compositions for steel iron phosphatising and preparation method thereof |
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| CN201410650864.8A CN104357818B (en) | 2014-11-14 | 2014-11-14 | A kind of compositions for steel iron phosphatising and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219368A1 (en) * | 2016-06-24 | 2017-12-28 | 深圳市恒兆智科技有限公司 | Manganese series phosphating agent, metal piece and surface phosphating treatment method therefor |
| CN109252204A (en) * | 2018-08-29 | 2019-01-22 | 昆明理工大学 | A method of preparing magnesium phosphate/Super-P composite corrosion proof coating |
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| US20040221924A1 (en) * | 1999-09-30 | 2004-11-11 | Klaus-Dieter Nittel | Method for applying manganese phosphate layers |
| CN101063199A (en) * | 2006-04-24 | 2007-10-31 | 宋晨玮 | Phosphating liquor of manganses series |
| CN101096760A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区汉达精密电子科技有限公司 | Iron member phosphating formula and method |
| CN102080226A (en) * | 2009-12-01 | 2011-06-01 | 天津天钢石油专用管制造有限公司 | Phosphorization solution |
| CN103046038A (en) * | 2012-12-06 | 2013-04-17 | 安徽未来表面技术有限公司 | Room temperature blackening agent suitable for iron casting and method for preparing room temperature blackening agent suitable for iron casting |
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2014
- 2014-11-14 CN CN201410650864.8A patent/CN104357818B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040221924A1 (en) * | 1999-09-30 | 2004-11-11 | Klaus-Dieter Nittel | Method for applying manganese phosphate layers |
| CN101063199A (en) * | 2006-04-24 | 2007-10-31 | 宋晨玮 | Phosphating liquor of manganses series |
| CN101096760A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区汉达精密电子科技有限公司 | Iron member phosphating formula and method |
| CN102080226A (en) * | 2009-12-01 | 2011-06-01 | 天津天钢石油专用管制造有限公司 | Phosphorization solution |
| CN103046038A (en) * | 2012-12-06 | 2013-04-17 | 安徽未来表面技术有限公司 | Room temperature blackening agent suitable for iron casting and method for preparing room temperature blackening agent suitable for iron casting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219368A1 (en) * | 2016-06-24 | 2017-12-28 | 深圳市恒兆智科技有限公司 | Manganese series phosphating agent, metal piece and surface phosphating treatment method therefor |
| CN109252204A (en) * | 2018-08-29 | 2019-01-22 | 昆明理工大学 | A method of preparing magnesium phosphate/Super-P composite corrosion proof coating |
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| CN104357818B (en) | 2016-11-23 |
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