CN104342651A - Zinc-coated material surface high temperature resistant passive film treating liquid - Google Patents
Zinc-coated material surface high temperature resistant passive film treating liquid Download PDFInfo
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- CN104342651A CN104342651A CN201310311224.XA CN201310311224A CN104342651A CN 104342651 A CN104342651 A CN 104342651A CN 201310311224 A CN201310311224 A CN 201310311224A CN 104342651 A CN104342651 A CN 104342651A
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- zinc
- concentration
- passive film
- material surface
- treatment solution
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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
- C23C22/23—Condensed 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)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a zinc-coated material surface high temperature passive film treating liquid, which is composed of the following components: sodium silicate with a concentration of 24 to 26 g/L, nickel nitrate with a concentration of 9 to 11 g/L, boric acid with a concentration of 7 to 9 g/L, glutamic acid with a concentration of 15 to 17 g/L, (methyl) acrylic resin with a concentration of 17 to 19 g/L, sodium pyrophosphate with a concentration of 1.5 to 2.5 g/L, nano aluminum oxide with a concentration of 5 to 7 g/L, sodium dodecyl sulfonate with a concentration of 1.5 to 2.5 g/L, and the balance being water.
Description
Technical field
The present invention relates to technical field of surface, particularly relate to a kind of zinc-plating material surface refractory passive film treatment solution.
Background technology
Zinc-plating material, such as zinc-based metal plated steel sheet or coil of strip, in production, storage, transport and use procedure, be easy to the corrosion being subject to corrosive medium in environment.In order to prevent the corrosion of zinc-plating material, chromic salt etc. is generally adopted to contain Cr at present
6+treatment agent on zinc-based metal plated steel sheet, form one deck chromate passivation film, then form rot-resistant seal coat through being heating and curing.
But on July 1st, 2006, formally effective RoHS Directive required to forbid to sell the product that six kinds of harmful substance contents such as lead, sexavalent chrome, mercury, cadmium, Polybrominated biphenyl (PBB) and polybromodiphenyl ether (PBDE) exceed standard.For meeting this requirement, many iron and steel enterprises of the world adopt the zinc-based metal plated steel sheet surface shallow layer treatment technologies such as nuisanceless Passivation Treatment one after another.Existing nuisanceless inactivating treatment liquid has Japanese handkerchief card LSI-C-2011 type, Henkel 6000 type etc.
CN1268583A discloses a kind of chromium-free passivation liquid for the protection of zinc coating and coating method thereof, and the compound method of this passivating solution is as follows: (1) is by water soluble acrylate resin: water=1: the volume ratio dilution of 1-4; (2) the water soluble acrylate resin's solution after often liter of dilution adds 1-5 gram of molybdate, obtains passivating solution that is colourless, transparent, pH=6-9.This passivating solution is coated in galvanized workpiece surface equably.
Aforesaid method can improve the erosion resistance of galvanized workpiece to a certain extent, but there is the powder of white in above-mentioned surface-treated galvanized sheet galvanized sheet surface in hot and humid environment, or the hot water of 100 DEG C is dripped after 24 hours, namely occur the phenomenons such as whiting, dry linting in galvanized sheet surface at normal temperatures.
Therefore, there is the poor defect of high thermal resistance in the passivating coating formed by the chromium-free passivation liquid of existing zinc-plating material.
Summary of the invention
The object of the invention is to propose a kind of zinc-plating material surface refractory passive film treatment solution, this passive film treatment solution, by the adjustment to component, makes the passive film resistance to elevated temperatures excellence prepared, and good corrosion resistance.
For reaching this object, the present invention by the following technical solutions:
A kind of zinc-plating material surface refractory passive film treatment solution, consisting of of this treatment solution: water glass 24-26g/L, nickelous nitrate 9-11g/L, boric acid 7-9g/L, L-glutamic acid 15-17g/L, (methyl) acrylic resin 17-19g/L, trisodium phosphate 1.5-2.5g/L, nano aluminium oxide 5-7g/L, sodium laurylsulfonate 1.5-2.5g/L, surplus is water.
Preferably, consisting of of this treatment solution: water glass 25g/L, nickelous nitrate 10g/L, boric acid 8g/L, L-glutamic acid 16g/L, (methyl) acrylic resin 18g/L, trisodium phosphate 2.0g/L, nano aluminium oxide 6g/L, sodium laurylsulfonate 2.0g/L, surplus is water.
Beneficial effect of the present invention is:
Treatment solution of the present invention is combined as filmogen using water glass and (methyl) acrylic resin, and add appropriate single nickel salt and trisodium phosphate to change the performance of passive film, particularly add resistant to elevated temperatures nano aluminium oxide, it is dispersed in passive film, significantly can improve this high-temperature behavior of passive film, and by the above-mentioned adjustment to treatment solution component, make the passive film good corrosion resistance prepared.
Embodiment
Embodiment one
A kind of zinc-plating material surface refractory passive film treatment solution, consisting of of this treatment solution: water glass 24g/L, nickelous nitrate 11g/L, boric acid 7g/L, L-glutamic acid 17g/L, (methyl) acrylic resin 17g/L, trisodium phosphate 2.5g/L, nano aluminium oxide 5g/L, sodium laurylsulfonate 2.5g/L, surplus is water.
Embodiment two
A kind of zinc-plating material surface refractory passive film treatment solution, consisting of of this treatment solution: water glass 26g/L, nickelous nitrate 9g/L, boric acid 9g/L, L-glutamic acid 15g/L, (methyl) acrylic resin 19g/L, trisodium phosphate 1.5g/L, nano aluminium oxide 7g/L, sodium laurylsulfonate 1.5g/L, surplus is water.
Embodiment three
A kind of zinc-plating material surface refractory passive film treatment solution, consisting of of this treatment solution: water glass 25g/L, nickelous nitrate 10g/L, boric acid 8g/L, L-glutamic acid 16g/L, (methyl) acrylic resin 18g/L, trisodium phosphate 2.0g/L, nano aluminium oxide 6g/L, sodium laurylsulfonate 2.0g/L, surplus is water.
Claims (2)
1. a zinc-plating material surface refractory passive film treatment solution, it is characterized in that, consisting of of this treatment solution: water glass 24-26g/L, nickelous nitrate 9-11g/L, boric acid 7-9g/L, L-glutamic acid 15-17g/L, (methyl) acrylic resin 17-19g/L, trisodium phosphate 1.5-2.5g/L, nano aluminium oxide 5-7g/L, sodium laurylsulfonate 1.5-2.5g/L, surplus is water.
2. a kind of zinc-plating material surface refractory passive film treatment solution as claimed in claim 1, it is characterized in that, consisting of of this treatment solution: water glass 25g/L, nickelous nitrate 10g/L, boric acid 8g/L, L-glutamic acid 16g/L, (methyl) acrylic resin 18g/L, trisodium phosphate 2.0g/L, nano aluminium oxide 6g/L, sodium laurylsulfonate 2.0g/L, surplus is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311224.XA CN104342651A (en) | 2013-07-23 | 2013-07-23 | Zinc-coated material surface high temperature resistant passive film treating liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311224.XA CN104342651A (en) | 2013-07-23 | 2013-07-23 | Zinc-coated material surface high temperature resistant passive film treating liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104342651A true CN104342651A (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310311224.XA Pending CN104342651A (en) | 2013-07-23 | 2013-07-23 | Zinc-coated material surface high temperature resistant passive film treating liquid |
Country Status (1)
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| CN (1) | CN104342651A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811291A (en) * | 2019-03-15 | 2019-05-28 | 江苏鑫吴输电设备制造有限公司 | A kind of technique of steel tube hot galvanizing |
-
2013
- 2013-07-23 CN CN201310311224.XA patent/CN104342651A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811291A (en) * | 2019-03-15 | 2019-05-28 | 江苏鑫吴输电设备制造有限公司 | A kind of technique of steel tube hot galvanizing |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150211 |