CN108165969A - A kind of preparation method of steel wire room temperature electrolytic phosphating liquid - Google Patents
A kind of preparation method of steel wire room temperature electrolytic phosphating liquid Download PDFInfo
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- CN108165969A CN108165969A CN201711427058.4A CN201711427058A CN108165969A CN 108165969 A CN108165969 A CN 108165969A CN 201711427058 A CN201711427058 A CN 201711427058A CN 108165969 A CN108165969 A CN 108165969A
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- steel wire
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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
- C23C22/34—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 fluorides or complex fluorides
- C23C22/36—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 fluorides or complex fluorides containing also phosphates
- C23C22/367—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 fluorides or complex fluorides containing also phosphates containing alkaline earth metal cations
Abstract
A kind of preparation method of steel wire room temperature electrolytic phosphating liquid is configured to 68 points of 55 78 points of total acidity, free acidity preparation basal liquids, for use with technical grade zinc nitrate and phosphoric acid and water first；Then compound protease 0.1 0.5%, pulverized limestone 8 10% are mixed, is placed 96 hours in 40 55 DEG C of conditions of temperature, with 30% phosphoric acid dissolution filter, filtrate and water press 1：2 3% sodium fluorides are added in after 3 dilutions and 1 2% hydrogen peroxide prepares accelerating agent；Accelerating agent addition basal liquid is finally configured to phosphating solution, 55 78 points of total acidity, 68 points of free acidity, it is 50 80g ∕ L that nitrate radical content, which is made,.The electrolytic phosphating liquid film forming speed of the present invention is fast, and phosphatization is high-quality, is suitble to big specification wire phosphate coat processing.
Description
Technical field
The present invention relates to a kind of steel wire preparation methods of room temperature electrolytic phosphating liquid, belong to chemicals technical field.
Background technology
At present, steel wire phosphorization is mainly using high temperature or middle temperature phosphating technology, and Phosphating at Room Temperature also seldom uses, room temperature
The problem of phosphatization is primarily present is that phosphorization technology is immature, and phosphating solution cannot meet technology requirement, and steel wire can not achieve normally
Phosphatization, steel wire film formation time is slow, and phosphate coating is thin, and technology is not achieved in phosphatization quality, it is impossible to meet steel wire drawing requirement.
Invention content
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of system of steel wire room temperature electrolytic phosphating liquid
Preparation Method, solves that phosphating time needed for common phosphatization is longer, and phosphorus takes up a large area, and phosphatization slag is more, more containing heavy metal, not ring
The shortcomings of protecting, need to heating.
The present invention is suitable for big specification wire electrolytic phosphating, is mainly used for the processing of the phosphate coat before high-carbon steel cold drawing.
The preparation method of the steel wire room temperature electrolytic phosphating liquid of the present invention includes step is implemented as follows：
（1）Prepare basal liquid
Total acidity 55-78 points, free acidity 6-8 points are configured to technical grade zinc nitrate and phosphoric acid and water, for use；
（2）Accelerating agent is prepared
Compound protease 0.1-0.5%, pulverized limestone 8-10% are mixed, placed 96 hours in 40-55 DEG C of condition of temperature, with 30% phosphorus
Sour dissolution filter, filtrate and water press 1：2-3% sodium fluorides and 1-2% hydrogen peroxide are added in after 3 dilutions；
（3）Accelerating agent addition basal liquid is configured to phosphating solution, nitrate anion is made in total acidity 55-78 points, free acidity 6-8 points
Content is 50-80g ∕ L.
Beneficial effects of the present invention：
1st, the room temperature electrolytic phosphating liquid prepared using this method, steel wire film forming speed is fast, can form a film to 7-9g/ at 25-30 seconds
m2, and high temperature phosphorization needs 3-8 minutes.
2nd, room temperature electrolytic phosphating liquid of the invention can proper diameter 3.5-8.0mm big specification wire electrolytic phosphating coating
Processing.
When the 3rd, using the technique productions, phosphating solution is not required to heat, and does not generate sediment, no nickel, copper and nitrite, to environment
It is pollution-free, it has been truly realized both economically and environmentally beneficial.
Specific embodiment
The present invention is further described in conjunction with specific embodiments：
The preparation method of the steel wire room temperature electrolytic phosphating liquid of the present invention includes step is implemented as follows：
（1）Prepare basal liquid
Total acidity 55-78 points, free acidity 6-8 points are configured to technical grade zinc nitrate and phosphoric acid and water, for use；
（2）Accelerating agent is prepared
Compound protease 0.1-0.5%, pulverized limestone 8-10% are mixed, placed 96 hours in 40-55 DEG C of condition of temperature, with 30% phosphorus
Sour dissolution filter, filtrate and water press 1：2-3% sodium fluorides and 1-2% hydrogen peroxide are added in after 3 dilutions；
（3）Accelerating agent addition basal liquid is configured to phosphating solution, nitrate anion is made in total acidity 55-78 points, free acidity 6-8 points
Content is 50-80g ∕ L.
Claims (1)
1. a kind of steel wire preparation method of room temperature electrolytic phosphating liquid, it is characterized in that including step is implemented as follows：
（1）Prepare basal liquid
Total acidity 55-78 points, free acidity 6-8 points are configured to technical grade zinc nitrate and phosphoric acid and water, for use；
（2）Accelerating agent is prepared
Compound protease 0.1-0.5%, pulverized limestone 8-10% are mixed, placed 96 hours in 40-55 DEG C of condition of temperature, with 30% phosphorus
Sour dissolution filter, filtrate and water press 1：2-3% sodium fluorides and 1-2% hydrogen peroxide are added in after 3 dilutions；
（3）Accelerating agent addition basal liquid is configured to phosphating solution, nitrate anion is made in total acidity 55-78 points, free acidity 6-8 points
Content is 50-80g ∕ L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427058.4A CN108165969A (en) | 2017-12-26 | 2017-12-26 | A kind of preparation method of steel wire room temperature electrolytic phosphating liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427058.4A CN108165969A (en) | 2017-12-26 | 2017-12-26 | A kind of preparation method of steel wire room temperature electrolytic phosphating liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108165969A true CN108165969A (en) | 2018-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711427058.4A Pending CN108165969A (en) | 2017-12-26 | 2017-12-26 | A kind of preparation method of steel wire room temperature electrolytic phosphating liquid |
Country Status (1)
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| CN (1) | CN108165969A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148758A (en) * | 2007-11-14 | 2008-03-26 | 哈尔滨工程大学 | Magnesium alloy surface phosphorization treatment fluid and treatment method thereof |
| CN103769432A (en) * | 2014-01-28 | 2014-05-07 | 威海银兴预应力线材有限公司 | Steel strand production device and electrolysis phosphating technology |
| CN106148974A (en) * | 2016-09-29 | 2016-11-23 | 广州市汇吉科技企业孵化器有限公司 | A kind of iron and steel derusting and phosphorating agent |
| CN106757279A (en) * | 2016-12-01 | 2017-05-31 | 三达奥克化学股份有限公司 | Steel wire drawing electrolytic phosphating liquid and production method |
| CN107012453A (en) * | 2017-03-31 | 2017-08-04 | 华南理工大学 | A kind of method that green low temperature quickly prepares phosphating coat |
-
2017
- 2017-12-26 CN CN201711427058.4A patent/CN108165969A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148758A (en) * | 2007-11-14 | 2008-03-26 | 哈尔滨工程大学 | Magnesium alloy surface phosphorization treatment fluid and treatment method thereof |
| CN103769432A (en) * | 2014-01-28 | 2014-05-07 | 威海银兴预应力线材有限公司 | Steel strand production device and electrolysis phosphating technology |
| CN106148974A (en) * | 2016-09-29 | 2016-11-23 | 广州市汇吉科技企业孵化器有限公司 | A kind of iron and steel derusting and phosphorating agent |
| CN106757279A (en) * | 2016-12-01 | 2017-05-31 | 三达奥克化学股份有限公司 | Steel wire drawing electrolytic phosphating liquid and production method |
| CN107012453A (en) * | 2017-03-31 | 2017-08-04 | 华南理工大学 | A kind of method that green low temperature quickly prepares phosphating coat |
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Application publication date: 20180615 |
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