CN1458299A - Rust removing and phosphorizing agent for black metal part surface - Google Patents
Rust removing and phosphorizing agent for black metal part surface Download PDFInfo
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- CN1458299A CN1458299A CN 03121702 CN03121702A CN1458299A CN 1458299 A CN1458299 A CN 1458299A CN 03121702 CN03121702 CN 03121702 CN 03121702 A CN03121702 A CN 03121702A CN 1458299 A CN1458299 A CN 1458299A
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Abstract
The rust removing and phosphorizing agent for the surface of ferrous metal product is concentrated mixture of phosphoric acid, sodium carbonate, sodium triphosphate, etc. It is suitable for rust removing, phosphorizing and grease dirt eliminating treatment of the surface of ferrous metal product before painting. It has the features of containing no nitride, heavy metal salt and other harmful ions, no toxicity, no irritating smell, no damage to skin and no environmental pollution. It is used in rust removing and phosphorizing treatment of the surface of ferrous metal product thoroughly, can ensure no peeling and rusting in painted product and has simple and practical operation.
Description
Product of the present invention relates to a kind of derusting phosphating agent that is exclusively used in ferrous metal product surface.Be more specifically to a kind of novel no water-washing type phosphatizing liquid, its except can have rust cleaning, phosphatization to steel surface, except that multiple functions such as slight greasy dirt, also can be used for the derusting phosphating before the surface lacquer, japanning, baking vanish, electrostatic spraying to various ferrous metal products, make to reach and do not prime, with regard to direct the derusting phosphating agent of finish paint through the product surface behind the derusting phosphating.
Existing method to the ferrous metal surface rust cleaning, the overwhelming majority are after adopting traditional derusting process of strong acid rust cleaning earlier, to carry out bonderizing again.Its shortcoming is that the strong acid smell is big, and contaminate environment is harmful.In addition, required station floor space is big when technological operation, and worker's groove consumption is many, simultaneously, also needs solution is heated, and wastes energy.And,,, and easily cause anti-rust because the alkali neutralization is not thorough especially at each slit of product and worm gear place with the product that this traditional technology method was handled, therefore, can not ensure the quality of products.
The inventor's purpose is to provide a kind of environmentally safe, harmless to human body, also can carry out the ferrous metal product at normal temperatures, simple derusting phosphating is handled, and can guarantee the product surface to the profile complexity again, thoroughly derusting phosphating, can reach the product after the processing too, behind lacquer, there is not anti-rust, non-scale, guaranteeing to coat with lacquer the derusting phosphating agent of quality.
The know-why of product of the present invention is performed such, and chooses raw materials such as required phosphoric acid, yellow soda ash, tripoly phosphate sodium STPP, tertiary sodium phosphate, tartrate, promoting agent, sequestrant standby by technical requirements earlier.And liquid starting material diluted on request, solid material is dissolved on request, again with above dilution with dissolve good liquid starting material, send in the mixing tank, mix certain hour at normal temperatures after, obtain its mixture.In order to make the product surface reach ideal derusting phosphating effect and product of the present invention in the usage period, can guarantee its stability, erosion resistance, weather resistance.To the compatibility mass parts of above each component, passed through long experiment back and determined.
Following table has illustrated the compatibility situation of raw materials quality part of product of the present invention.
| Sequence number | Material name | Mass parts (%) |
| 1 | Phosphoric acid | 45 |
| 2 | Yellow soda ash | 1.0 |
| 3 | Tripoly phosphate sodium STPP | 2.0 |
| 4 | Tertiary sodium phosphate | 1.0 |
| 5 | Tartrate | 2 |
| 6 | Promoting agent | 2 |
| 7 | Sequestrant | 2 |
| 8 | Water | 45 |
| 9 | Add up to | 100 |
Accompanying drawing is the technological process of production figure of product derusting phosphating of the present invention agent.
Learn from accompanying drawing, product of the present invention must weigh up mass parts by specification requirement respectively to liquid raw material and solid material when producing after, respectively preparation. As to all required liquid raw materials, should dilute first, after again all required solid materials being dissolved, will the good liquid raw material of dilution, and dissolve good solid material and send together blender to, after mixing, measure its mixing quality, after secondary mixes again, measure its qualified degree, then can, check, capping, finished product warehouse-in. Need to prove raw material phosphoric acid wherein, is to add an amount of water in 45 parts pure phosphoric acid, make its dilution after, again 2 parts sodium phosphate trimer is directly put in the phosphoric acid dilution liquid, diluted mixing; Then take to mix behind the abundant thin up for sodium carbonate wherein; For tartaric acid wherein, after need adding in addition an amount of water and dissolving separately, mixed again.
In order to further describe derusting phosphating agent of the present invention at production with the situation in using, below illustrated with embodiment.
Embodiment one: (finished product)
Earlier that product of the present invention is required starting material: 5 parts of phosphatase 24s; 1 part in yellow soda ash; 2 parts of tripoly phosphate sodium STPPs; 1 part of tertiary sodium phosphate; 2 parts in tartrate; 2 parts of promoting agents; After 2 parts of sequestrants weigh up respectively, in 45 parts phosphoric acid, add earlier an amount of water dilution; In 2 parts tartrate, add an amount of water dilution again; And then the yellow soda ash of 1 part of mass parts added an amount of water, it is standby to make it fully dissolve the back; Tripoly phosphate sodium STPP, the tertiary sodium phosphate of 2 parts of mass parts are directly knocked down in the phosphoric acid solution for preparing and mixed; At last, the yellow soda ash after will dissolving again, tartaric acid solution, promoting agent, sequestrant carry out normal temperature and mix its qualified degree of back detection next time respectively by above mass parts, and secondary mixes again, after the assay was approved, carries out can.Press the 25Kg can for every jar during can, after the can censorship qualified after, finished product warehouse-in.
Embodiment two: (infusion method)
With the finished product derusting phosphating agent of the embodiment of the invention one, with 1: 2 thin up, earlier the pre-treatment product is carried out skimming treatment, behind the Ex-all grease, use flushing with clean water, and drain well.Put into then in the above solution of getting ready and soak, carry out derusting phosphating and handle, use the final mean annual increment solution of embodiment one to add water at 1: 4 again,, carry out disposable Passivation Treatment (rinse fast to wash and get final product) the product behind the derusting phosphating.
Embodiment three: (brushing method)
With finished product derusting phosphating of the present invention agent with 1: 0.5-1: 2 thin ups, to slight rust and greasy dirt, can use cotton or hairbrush earlier, the diluting soln brushing 1-2 that is stained with 1: 2 is all over getting final product; Can carry out brushing with 1: 1 solution for moderate corrosion product handles; For the severe dirty product that becomes rusty, can adopt 1: 0.5 solution or directly use finished product stoste of the present invention brushing 3-5 time, dry then or dry with dried cloth.
Physical and chemical index of the present invention is as follows:
Outward appearance: colourless transparent liquid, do not fire, not quick-fried, do not have a muddy thing.
Density: 1.14±0。02。
Shock strength: 45-50Kg.
Sticking power: 1-2 level.
Phosphatize phosphate coat thickness: brushing method 1-3 μ, infusion method 3-6 μ
Time of drying: brushing method 5-20 minute; Infusion method 20 to 90 minutes.
Product of the present invention is the derusting phosphating for ferrous metal class surface, because it does not contain cyanide and fluoride, and has environmentally safe, the feature harmless to human body. And can carry out at normal temperatures the derusting phosphating of all kinds of ferrous metal products is processed. Particularly for the product of profile complexity, after processing, there is not residual rust mark yet. Ensured product behind lacquer, non-scale, anti-rust, and the advantage that operation is simple.
Claims (2)
1, a kind of derusting phosphating agent that is used for ferrous metal product surface, it is characterized in that: A) 45% phosphoric acid adds 30% water; 2% tartrate adds 10% water; 1.0% yellow soda ash adds 5% water; B) 2% tripoly phosphate sodium STPP and 1% tertiary sodium phosphate join 45% phosphoric acid and add in the solution of 30% water; C) with 2% promoting agent, 2% sequestrant and A) B) mix the mixture that obtains.
2, a kind of according to claim 1 derusting phosphating agent that is used for ferrous metal product surface, it is characterized in that wherein A) B) C) mixture that obtains after mixing, adopt brushing method and two kinds of using method of infusion method, its physical and chemical index: outward appearance is a colourless transparent liquid, do not fire, not quick-fried, do not have muddy thing; Density is 1.14±0。02; Shock strength is 45-50Kg; Sticking power is the 1-2 level; Phosphatize phosphate coat thickness: brushing method 1-3 μ, infusion method 3-6 μ; Time of drying: brushing method 5-20 minute; Infusion method 20 to 90 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031217028A CN1176247C (en) | 2003-03-13 | 2003-03-13 | Rust removing and phosphorizing agent for black metal part surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031217028A CN1176247C (en) | 2003-03-13 | 2003-03-13 | Rust removing and phosphorizing agent for black metal part surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1458299A true CN1458299A (en) | 2003-11-26 |
| CN1176247C CN1176247C (en) | 2004-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031217028A Expired - Fee Related CN1176247C (en) | 2003-03-13 | 2003-03-13 | Rust removing and phosphorizing agent for black metal part surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058874B (en) * | 2007-04-02 | 2010-12-08 | 合肥华清金属表面处理有限责任公司 | Water-base neutrality steel chromium-free strong passivator |
| CN102011113A (en) * | 2010-12-17 | 2011-04-13 | 南车长江车辆有限公司 | Liquid antirusting agent used in railway vehicle water sandblasting antirusting process as well as preparation method and application thereof |
| CN107805800A (en) * | 2017-11-30 | 2018-03-16 | 马鞍山市宝奕金属制品工贸有限公司 | A kind of steel surface phosphorization treatment fluid |
-
2003
- 2003-03-13 CN CNB031217028A patent/CN1176247C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058874B (en) * | 2007-04-02 | 2010-12-08 | 合肥华清金属表面处理有限责任公司 | Water-base neutrality steel chromium-free strong passivator |
| CN102011113A (en) * | 2010-12-17 | 2011-04-13 | 南车长江车辆有限公司 | Liquid antirusting agent used in railway vehicle water sandblasting antirusting process as well as preparation method and application thereof |
| CN102011113B (en) * | 2010-12-17 | 2012-10-31 | 南车长江车辆有限公司 | Liquid antirust agent for railway vehicle water blasting derusting process and its preparation method and application |
| CN107805800A (en) * | 2017-11-30 | 2018-03-16 | 马鞍山市宝奕金属制品工贸有限公司 | A kind of steel surface phosphorization treatment fluid |
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| Publication number | Publication date |
|---|---|
| CN1176247C (en) | 2004-11-17 |
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Granted publication date: 20041117 |