CN104498927A - Normal-temperature phosphating solution - Google Patents
Normal-temperature phosphating solution Download PDFInfo
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- CN104498927A CN104498927A CN201410778451.8A CN201410778451A CN104498927A CN 104498927 A CN104498927 A CN 104498927A CN 201410778451 A CN201410778451 A CN 201410778451A CN 104498927 A CN104498927 A CN 104498927A
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- Prior art keywords
- phosphating solution
- normal
- tensio
- inhibiter
- metal ion
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Classifications
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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
- C23C22/46—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 oxalates
- C23C22/47—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 oxalates containing also phosphates
-
- 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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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention provides a normal-temperature high-performance phosphating solution. The phosphating solution is prepared from phosphoric acid, dihydric phosphate, a corrosion inhibitor, a metal ion modifier, a surfactant, a surface conditioning agent, an organic acid complexing agent, a metal oxide and water. According to the phosphating solution, the steps of cleaning, oil removal, rust removal, phosphating and like on steel structural parts can be performed synchronously at a normal temperature, and therefore, the process is simplified, the efficiency is improved and the cost is reduced. After immersion treatment on the steel structural parts by use of the normal-temperature high-performance phosphating solution, the surface oil stain, the rust and the surface oxidated layers of the steel structural parts can be removed, a phosphate film protective layer can be formed on the surface, and the corrosion resistance of a metal can be improved. The phosphate film protective layer also is capable of enhancing the binding force between the metal and an oil paint and the coating process is simplified. Besides, no influence is produced on the environment in the preparation process of the normal-temperature high-performance phosphating solution and the use process of the phosphating solution.
Description
Technical field
The present invention relates to a kind of normal-temperature phosphorizing liquid, particularly relate to and a kind ofly can carry out parkerized Phosphating Solution while oil removing, rust cleaning.
Background technology
Phosphating Solution is mainly used in plating, paint or workpiece pre-treatment and seals process up for safekeeping, as the bottom of coating, improves antirust ability and the sticking power of steel surface.Therefore, current phosphate conversion film has been widely used in the products such as automobile, steamer, machinofacture, aerospace and household electrical appliance.Traditional phosphating process first cleans, then oil removing, rust cleaning, then carry out bonderizing, finally wash, therefore take time and effort.
Application number is that (publication number is CN 102864446 A to 201210386179.X, publication date on January 9th, 2013) Chinese invention patent application " a kind of normal-temperature phosphorizing liquid and preparation method thereof " provide a kind of normal-temperature phosphorizing liquid, this Phosphating Solution has certain rust cleaning oil removing ability, but still needs to carry out sandblasting to its pending surface in advance.Application number is that 201110371712.0 (publication number is CN 102392239 A, publication date on March 28th, 2012) Chinese invention patent application " a kind of normal temperature wiping phosphating solution and preparation method thereof " provide a kind of normal temperature wiping phosphating solution, this Phosphating Solution does not need to wash after smearing.But this formula system component cost is relatively high.
Summary of the invention
The object of the present invention is to provide one cheap without the need to sandblasting, formulation cost, and phosphatization is effective, technique is simple, simultaneously can by the Phosphating Solution of cleaning, oil removing, rust cleaning, the process of phosphatization one step.
According to an aspect of the present invention, described Phosphating Solution comprise phosphoric acid, dihydrogen phosphate, inhibiter, metal ion-modified dose, tensio-active agent, surface conditioner, organic acid complexing agent, metal oxide and water, wherein, calculate with obtained 500kg Phosphating Solution, the quality of each composition is respectively: phosphoric acid 60-150kg, dihydrogen phosphate 5-25kg, inhibiter 1.5-4kg, metal ion-modified dose of 0.5-4kg, tensio-active agent 0.5-2kg, surface conditioner 1-6kg, organic acid complexing agent 1-10kg, metal oxide is no more than 4kg, surplus is water.
Preferably, calculate with obtained 500kg Phosphating Solution, the quality of each composition of described Phosphating Solution is respectively: phosphatase 11 00kg, dihydrogen phosphate 8kg, inhibiter 2kg, metal ion-modified dose of 2kg, tensio-active agent 1kg, surface conditioner 2kg, organic acid complexing agent 1kg, metal oxide 1kg, surplus are water.
Described phosphoric acid can be 85% phosphoric acid, and described dihydrogen phosphate can be primary zinc phosphate.
Described inhibiter can be urotropine, and described tensio-active agent can be sodium lauryl sulphate.
Described metal ion-modified dose can be single nickel salt.
Described organic acid complexing agent can be two citric acid monohydrate sodium, and described surface conditioner can be oxalic acid.
Described metal oxide can be zinc oxide.
According to a further aspect in the invention, described Phosphating Solution comprise phosphoric acid, dihydrogen phosphate, inhibiter, metal ion-modified dose, tensio-active agent, surface conditioner, organic acid complexing agent and water, wherein, calculate with obtained 500kg Phosphating Solution, the quality of each composition is respectively: the water of phosphoric acid 60-150kg, dihydrogen phosphate 5-25kg, inhibiter 1.5-4kg, metal ion-modified dose of 0.5-4kg, tensio-active agent 0.5-2kg, surface conditioner 1-6kg, organic acid complexing agent 1-10kg and surplus.
Preferably, calculate with obtained 500kg Phosphating Solution, the quality of each composition of described Phosphating Solution is respectively: phosphatase 11 00kg, dihydrogen phosphate 10kg, inhibiter 2kg, metal ion-modified dose of 1kg, tensio-active agent 1kg, surface conditioner 1kg, organic acid complexing agent 1kg, surplus are water.
Phosphating Solution prepared in accordance with the present invention is when process metal surfaces; only need to remove comparatively heavy scale; and just can direct impregnation and obtain the phosphatize phosphate coat protective layer with good rustless property without the need to carrying out sandblasting to substrate; formulation cost is cheap; and cleaning, oil removing, rust cleaning, phosphatization can be carried out simultaneously under normal temperature; save operation, reduce overall cost.
Accompanying drawing explanation
Fig. 1 shows the photo on the surface of the phosphatize phosphate coat according to the embodiment of the present invention 1.
Fig. 2 shows the photo on the surface of the phosphatize phosphate coat according to the embodiment of the present invention 2.
Embodiment
Below, will describe embodiment of the present invention in detail to understand the present invention further in conjunction with the embodiments, and should be understood that, these describe only for the object further illustrating the features and advantages of the present invention, instead of limit claim of the present invention.
Phosphating reaction refers to that metallic surface contacts with the acidic solution of phosphoric acid dihydric salt; there is chemical reaction; and the chemical treatment method on a kind of surface of stable insoluble phosphate coating is generated in metallic surface; the protective membrane formed is phosphatize phosphate coat; phosphatize phosphate coat can as application bottom; to improve bonding force between coating and metallic surface and solidity to corrosion, can also as the anticorrosion layer of steel and iron member and protective layer.
The invention provides a kind of normal-temperature efficient Phosphating Solution, described Phosphating Solution comprise phosphoric acid, dihydrogen phosphate, inhibiter, metal ion-modified dose, tensio-active agent, surface conditioner, organic acid complexing agent, metal oxide and water.
In detail, calculate with obtained product 500kg Phosphating Solution, the quality of each composition is respectively: phosphoric acid 60-150kg, dihydrogen phosphate 5-25kg, inhibiter 1.5-4kg, metal ion-modified dose of 0.5-4kg, tensio-active agent 0.5-2kg, surface conditioner 1-6kg, organic acid complexing agent 1-10kg, metal oxide is no more than 4kg, surplus is water.But, the present invention is not limited thereto.Metal oxide can not be comprised according to Phosphating Solution of the present invention.
In Phosphating Solution according to the present invention, phosphoric acid and dihydrogen phosphate are the main component of Phosphating Solution, and the total acidity of Phosphating Solution is too high, then phosphatize phosphate coat is coarse, and phosphating dregs amount increases, and total acidity is too low, then phosphatization speed is slow, is difficult to form high-quality phosphatize phosphate coat.Can ensure that phosphatize phosphate coat is normally formed and do not produce excessive sediment according to amount provided by the invention.Dihydrogen phosphate can be primary zinc phosphate Zn (H
2pO
4)
2, phosphoric acid can be 85% phosphoric acid.
Inhibiter can be urotropine, and for slowing down the corrosion of metallic substance, urotropine is white hygroscopic crystalline powder or colourless glossiness diamond crystal body, water soluble.
Metal ion-modified dose can be the salt of nickel, and can be single nickel salt, single nickel salt can not only accelerate phosphatization, crystallization of refinement, and can improve the corrosion resistance nature of phosphatize phosphate coat.
Tensio-active agent can be sodium lauryl sulphate, and sodium lauryl sulphate has decontamination, emulsifying effect to metallic surface, and reduces surface tension of liquid, thus is conducive to the contact of metal and Phosphating Solution.
Surface conditioner can be oxalic acid, and mainly play surface adjustment, oxalic acid can improve phosphatization speed and refinement phosphatization crystal grain, forms fine and closely woven phosphatize phosphate coat, can also eliminate rust.
Organic acid complexing agent can be two citric acid monohydrate sodium, can improve the structure of phosphatize phosphate coat, improves phosphatization effect.
Metal oxide can be zinc oxide, and the zinc phosphate that it and phosphatase reaction obtain has antiseptic and rustproof effect.
In the present invention, the water of described surplus can be tap water or deionized water.
The method preparing Phosphating Solution of the present invention is as follows: at normal temperatures, metal oxide is poured into water, add phosphoric acid until dissolve completely, then add urotropine, dihydrogen phosphate, metal ion-modified dose, tensio-active agent, surface conditioner, organic acid complexing agent, stir to make them dissolve completely, thus obtain Phosphating Solution of the present invention.The Phosphating Solution outward appearance obtained according to the present invention is light blue and evenly and without precipitation.
Usually when using Phosphating Solution of the present invention, with the water of 0-3 times of mass ratio dilution Phosphating Solution, be can reach 3-15 minute with the method process workpiece of dipping or spray under the condition of 10-55 DEG C in temperature, described Phosphating Solution blows in the laggard sector-style of application or naturally dries, thus obtains phosphatize phosphate coat.
Phosphating Solution of the present invention and preparation method thereof is described in detail below according to embodiment 1 and embodiment 2.
Embodiment 1
Prepare with the composition of improving quality according to following steps: at normal temperatures, zinc oxide is poured in deionized water, add 85% phosphoric acid until dissolve completely, then urotropine, primary zinc phosphate, single nickel salt, sodium lauryl sulphate, oxalic acid, two citric acid monohydrate sodium are added, and stir to make them dissolve completely, thus obtain the Phosphating Solution of the present embodiment.
When using the Phosphating Solution configured according to embodiment 1, diluting this Phosphating Solution with 0-3 times of quality than deionized water, is then 30 DEG C by the Phosphating Solution after dilution in temperature, to needing object to be processed to carry out immersion plating or spray process 4 minutes, finally obtains phosphatize phosphate coat.
Figure 1 illustrates the photo on the surface of the phosphatize phosphate coat according to embodiment 1.The phosphatize phosphate coat formed as we can see from the figure is even, fine and closely woven, and phosphatize phosphate coat surface is containing the membrane structure of crackle, and this structure is permeated as making coating during paint spraying bottom inwards at it, and coating and phosphatize phosphate coat are engaged mutually, and coating adhesion is significantly improved.
Embodiment 2
Prepare with the composition of improving quality according to following steps: at normal temperatures, 85% phosphoric acid is added in deionized water, then urotropine, primary zinc phosphate, single nickel salt, sodium lauryl sulphate, oxalic acid, two citric acid monohydrate sodium are added, and stir to make them dissolve completely, thus obtain the Phosphating Solution of the present embodiment.
When using the Phosphating Solution configured according to embodiment 2, diluting this Phosphating Solution with 1 times of quality than deionized water, is then 25 DEG C by the Phosphating Solution after dilution in temperature, to needing object to be processed to carry out immersion plating or spray process 7 minutes, finally obtains phosphatize phosphate coat.
Figure 2 illustrates the photo on the surface of the phosphatize phosphate coat according to embodiment 2.The phosphatize phosphate coat formed as we can see from the figure is even, fine and closely woven, and phosphatize phosphate coat surface is containing the membrane structure of crackle, and this structure is permeated as making coating during paint spraying bottom inwards at it, and coating and phosphatize phosphate coat are engaged mutually, and coating adhesion is significantly improved.
Above a kind of normal-temperature efficient Phosphating Solution provided by the present invention and preparation method thereof is described in detail.Apply specific embodiment in specification sheets to invention has been elaboration, the above description to embodiment just understands method of the present invention and core concept thereof for helping.Be apparent that for the person of ordinary skill of the art, under the condition not departing from the spirit and scope of the present invention, various amendment and distortion can be carried out to the present invention.
Claims (9)
1. a Phosphating Solution, is characterized in that, described Phosphating Solution comprise phosphoric acid, dihydrogen phosphate, inhibiter, metal ion-modified dose, tensio-active agent, surface conditioner, organic acid complexing agent, metal oxide and water,
Wherein, calculate with obtained 500kg Phosphating Solution, the quality of each composition is respectively: phosphoric acid 60-150kg, dihydrogen phosphate 5-25kg, inhibiter 1.5-4kg, metal ion-modified dose of 0.5-4kg, tensio-active agent 0.5-2kg, surface conditioner 1-6kg, organic acid complexing agent 1-10kg, metal oxide is no more than 4kg, surplus is water.
2. Phosphating Solution according to claim 1, it is characterized in that, calculate with obtained 500kg Phosphating Solution, the quality of each composition is respectively: phosphatase 11 00kg, dihydrogen phosphate 8kg, inhibiter 2kg, metal ion-modified dose of 2kg, tensio-active agent 1kg, surface conditioner 2kg, organic acid complexing agent 1kg, metal oxide 1kg, surplus are water.
3. Phosphating Solution according to claim 1, is characterized in that, described phosphoric acid is 85% phosphoric acid, and described dihydrogen phosphate is primary zinc phosphate.
4. Phosphating Solution according to claim 1, is characterized in that, described inhibiter is urotropine, and described tensio-active agent is sodium lauryl sulphate.
5. Phosphating Solution according to claim 1, is characterized in that, described metal ion-modified dose is single nickel salt.
6. Phosphating Solution according to claim 1, is characterized in that, described organic acid complexing agent is two citric acid monohydrate sodium, and described surface conditioner is oxalic acid.
7. Phosphating Solution according to claim 1, is characterized in that, described metal oxide is zinc oxide.
8. a Phosphating Solution, is characterized in that, described Phosphating Solution comprise phosphoric acid, dihydrogen phosphate, inhibiter, metal ion-modified dose, tensio-active agent, surface conditioner, organic acid complexing agent and water,
Wherein, calculate with obtained 500kg Phosphating Solution, the quality of each composition is respectively: the water of phosphoric acid 60-150kg, dihydrogen phosphate 5-25kg, inhibiter 1.5-4kg, metal ion-modified dose of 0.5-4kg, tensio-active agent 0.5-2kg, surface conditioner 1-6kg, organic acid complexing agent 1-10kg and surplus.
9. Phosphating Solution according to claim 8, it is characterized in that, calculate with obtained 500kg Phosphating Solution, the quality of each composition is respectively: phosphatase 11 00kg, dihydrogen phosphate 10kg, inhibiter 2kg, metal ion-modified dose of 1kg, tensio-active agent 1kg, surface conditioner 1kg, organic acid complexing agent 1kg, surplus are water.
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| CN201410778451.8A CN104498927A (en) | 2014-12-15 | 2014-12-15 | Normal-temperature phosphating solution |
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| CN201410778451.8A CN104498927A (en) | 2014-12-15 | 2014-12-15 | Normal-temperature phosphating solution |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032746A (en) * | 2015-06-17 | 2015-11-11 | 安徽省金寨县金钢叉车部件制造有限公司 | Rust-preventing baking varnish treatment process of surfaces of clutches |
| CN105908165A (en) * | 2016-06-30 | 2016-08-31 | 无锡伊佩克科技有限公司 | Environmentally friendly anti-corrosion phosphatizing liquid and preparation method thereof |
| CN105951069A (en) * | 2016-06-30 | 2016-09-21 | 无锡伊佩克科技有限公司 | Anti-rust phosphating solution and preparation method thereof |
| CN106756937A (en) * | 2017-01-23 | 2017-05-31 | 江苏理工学院 | A kind of environment-friendly phosphating solution and its application for aluminium and aluminium alloy |
| CN109280926A (en) * | 2018-11-27 | 2019-01-29 | 朱军博 | A kind of water conservancy equipment high-efficient rust-removing agent and preparation method thereof |
| CN110467867A (en) * | 2019-07-23 | 2019-11-19 | 北京易净星科技有限公司 | The method of derusting self-cleaning coat and preparation derusting self-cleaning coat |
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| JP2000212765A (en) * | 1999-01-27 | 2000-08-02 | Nippon Koshuha Steel Co Ltd | Method for controlling quantity of phosphate film |
| CN101418446A (en) * | 2007-12-03 | 2009-04-29 | 武汉双博新技术有限公司 | A kind of environment-friendly type multifunctional steel surface processing agent |
| CN101634023A (en) * | 2008-07-24 | 2010-01-27 | 张燕 | Novel normal-temperature zinc series phosphating agent |
| CN103397318A (en) * | 2013-08-02 | 2013-11-20 | 石欣 | Metal anti-rust phosphating solution |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000212765A (en) * | 1999-01-27 | 2000-08-02 | Nippon Koshuha Steel Co Ltd | Method for controlling quantity of phosphate film |
| CN101418446A (en) * | 2007-12-03 | 2009-04-29 | 武汉双博新技术有限公司 | A kind of environment-friendly type multifunctional steel surface processing agent |
| CN101634023A (en) * | 2008-07-24 | 2010-01-27 | 张燕 | Novel normal-temperature zinc series phosphating agent |
| CN103397318A (en) * | 2013-08-02 | 2013-11-20 | 石欣 | Metal anti-rust phosphating solution |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032746A (en) * | 2015-06-17 | 2015-11-11 | 安徽省金寨县金钢叉车部件制造有限公司 | Rust-preventing baking varnish treatment process of surfaces of clutches |
| CN105908165A (en) * | 2016-06-30 | 2016-08-31 | 无锡伊佩克科技有限公司 | Environmentally friendly anti-corrosion phosphatizing liquid and preparation method thereof |
| CN105951069A (en) * | 2016-06-30 | 2016-09-21 | 无锡伊佩克科技有限公司 | Anti-rust phosphating solution and preparation method thereof |
| CN106756937A (en) * | 2017-01-23 | 2017-05-31 | 江苏理工学院 | A kind of environment-friendly phosphating solution and its application for aluminium and aluminium alloy |
| CN109280926A (en) * | 2018-11-27 | 2019-01-29 | 朱军博 | A kind of water conservancy equipment high-efficient rust-removing agent and preparation method thereof |
| CN110467867A (en) * | 2019-07-23 | 2019-11-19 | 北京易净星科技有限公司 | The method of derusting self-cleaning coat and preparation derusting self-cleaning coat |
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