CN103225087A - Stainless steel pickling passivation paste and preparation method thereof - Google Patents
Stainless steel pickling passivation paste and preparation method thereof Download PDFInfo
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- CN103225087A CN103225087A CN2013101485185A CN201310148518A CN103225087A CN 103225087 A CN103225087 A CN 103225087A CN 2013101485185 A CN2013101485185 A CN 2013101485185A CN 201310148518 A CN201310148518 A CN 201310148518A CN 103225087 A CN103225087 A CN 103225087A
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- stainless steel
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- washing stainless
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/025—Cleaning or pickling metallic material with solutions or molten salts with acid solutions acidic pickling pastes
Abstract
The invention discloses a stainless steel pickling passivation paste and a preparation method thereof. The technical point of the invention is that: the stainless steel pickling passivation paste is mainly composed of, by weight, 10-30 parts of a corrosion agent, 20-60 parts of a passivation agent, 10-30 parts of a gelling agent, 40-60 parts of an inorganic filling material, and 1-5 parts of a penetration agent. The invention also discloses a preparation method of the stainless steel pickling passivation paste. During an application process, the stainless steel pickling passivation paste does not release hydrofluoric acid, causes low harm to the environment, and does not harm the skin. Therefore, worker health is ensured, and various welds, oxide scales and rust on the surface of stainless steel can be effectively removed. The stainless steel pickling passivation paste is a green, environment-friendly, and highly efficient product.
Description
Technical field
The present invention relates to the acid wash passivation technical field, be specifically related to a kind of acid-washing stainless steel passivation cream and preparation method thereof.
Background technology
Stainless steel can cause surface imperfection, corrosion hidden danger in the course of processing, grease when black oxidation skin and other metallic compound, yellow weld seam and cold-drawn occurring etc., in order to improve stainless outward appearance and solidity to corrosion, the stainless steel after the processing must carry out acid wash passivation to be handled.The main raw material of producing acid-washing stainless steel passivation cream at present is hydrofluoric acid and nitric acid (as patent CN 86101522), this series products in use can discharge hydrogen fluoride, easy burn human body skin and retina, be unfavorable for the healthy of workmen, particularly (as reactor, rectifying tower etc.) very harmful to the workmen in the construction environment of relative closure.
Summary of the invention
The technical problem that the present invention solves has provided acid-washing stainless steel passivation cream of a kind of safety and environmental protection and efficient stable and preparation method thereof, this acid wash passivation cream is no hydrofluoric release in operating process, reduced harm to human body, solved the medium-term and long-term hydrogen fluoride pollution problem that exists of acid-washing stainless steel passivating process, and the raw material of this acid wash passivation cream is water-soluble substances, clears up simple and efficient and non-secondary pollution problem.
Technical scheme of the present invention is: a kind of acid-washing stainless steel passivation cream is characterized in that mainly being made up of the component of following weight part: etching reagent 10-30 part, passivator 20-60 part, gelifying agent 10-30 part, mineral filler 40-60 part and permeate agent 1-5 part.
Acid-washing stainless steel passivation cream of the present invention mainly is made up of the component of following weight part: 3 parts of 10 parts in etching reagent, 30 parts of passivator, 20 parts of gelifying agents, 35 parts of mineral fillers and permeate agents.
Etching reagent of the present invention is a silicofluoric acid, described gelifying agent is a polymine, described mineral filler is a magnesium silicofluoride, described permeate agent is a nonionogenic tenside, is specially in fatty alcohol-polyoxyethylene ether, alkyl alcohol Soxylat A 25-7 or the cocoanut fatty acid diethanolamide one or more.
The preparation method of acid-washing stainless steel passivation cream of the present invention, it is characterized in that mainly may further comprise the steps: take by weighing raw material: etching reagent 10-30 part, passivator 20-60 part, gelifying agent 10-30 part, mineral filler 40-60 part and permeate agent 1-5 part according to following proportioning, the raw material that takes by weighing is joined in the tetrafluoroethylene reactor, add linking agent after the stirring and dissolving, wherein the add-on of linking agent is the 10%-20% of gelifying agent weight, continues to stir the static jelly shape acid-washing stainless steel passivation cream that promptly makes then.
Linking agent of the present invention is an epoxy chloropropane.
Acid-washing stainless steel passivation cream of the present invention is the not releasing hydrogen fluoric acid in use, little to environmental hazard, not hindering skin, guaranteed the healthy of workmen and removed various weld seams, oxide skin and the rusty stain of stainless steel surface effectively, is a kind of environmental protection product efficiently.
Embodiment
Embodiment
Take by weighing raw material (kilogram) according to following proportioning:
1, silicofluoric acid 10, nitric acid 60, polymine 30, magnesium silicofluoride 40, fatty alcohol-polyoxyethylene ether 1;
2, silicofluoric acid 10, nitric acid 30, polymine 20, magnesium silicofluoride 35, alkyl alcohol Soxylat A 25-7 3;
3, silicofluoric acid 30, nitric acid 20, polymine 10, magnesium silicofluoride 60, cocoanut fatty acid diethanolamide 5.
Production method is as follows:
The raw material that takes by weighing is joined in the tetrafluoroethylene reactor, add the linking agent epoxy chloropropane after the stirring and dissolving, wherein the addition of epoxy chloropropane is the 10%-20% of polymine weight, after continuing to stir 20min, be circulated in 1 kilogram the parcel bottling, leave standstill after 1 hour the jelly shape, the preparation of the cream of acid-washing stainless steel passivation is so far finished.
Silicofluoric acid does not in use discharge hydrogen fluoride as etching reagent, has avoided the workmen is worked the mischief, and can solve the problem that lost efficacy in the product put procedure effectively.Magnesium silicofluoride is as mineral filler, need increase the quality of magnesium silicofluoride in summer, to increase the viscosity of product, needs to reduce the quality of magnesium silicofluoride in the winter time, to reduce the viscosity of product.Permeate agent is one or more in nonionogenic tenside such as fatty alcohol-polyoxyethylene ether, alkyl alcohol Soxylat A 25-7 or the cocoanut fatty acid diethanolamide, adding permeate agent is in order to reduce the surface tension between paste product and workpiece, to increase speed of response.
Using method:
1, earlier the stainless steel surface greasy dirt is handled totally;
2, dip in brush and get the surface that this product is applied in position to be cleaned, making product thickness is more than 2 millimeters, keeps 15-30min to get final product;
3, with yellow soda ash or calcium hydroxide dilute solution cleaning workpiece surface;
4, use the flushing with clean water workpiece at last, to the pH value of scavenging solution near neutrality till.
Grade estimation and check:
1, the acid wash passivation rear surface should be uniform silvery white, does not have the obvious corrosion vestige, and welded seam area oxide skin is removed thoroughly, the spot that no irregular colour is even.
2, be deployed into solution with the 3 milliliters of nitric acid+1 gram Tripotassium iron hexacyanide+50 milliliter clear water, be diluted to 100 milliliters with clear water then, be configured to testing reagent, the filter paper that will soak reagent is attached on the workpiece, does not occur Bluepoint in 30 seconds.
3,8 gram copper sulfate are dissolved in 500 ml distilled waters, add 2-3 milliliter sulfuric acid, then with the drips of solution of configuration in the passivation workpiece surface, keep moistening, no copper is separated out in 6 minutes.
Claims (8)
1. an acid-washing stainless steel passivation cream is characterized in that mainly being made up of the component of following weight part: etching reagent 10-30 part, passivator 20-60 part, gelifying agent 10-30 part, mineral filler 40-60 part and permeate agent 1-5 part.
2. acid-washing stainless steel passivation cream according to claim 1 is characterized in that mainly being made up of the component of following weight part: 3 parts of 10 parts in etching reagent, 30 parts of passivator, 20 parts of gelifying agents, 35 parts of mineral fillers and permeate agents.
3. acid-washing stainless steel passivation cream according to claim 1 is characterized in that: described etching reagent is a silicofluoric acid.
4. acid-washing stainless steel passivation cream according to claim 1 is characterized in that: described gelifying agent is a polymine.
5. acid-washing stainless steel passivation cream according to claim 1 is characterized in that: described mineral filler is a magnesium silicofluoride.
6. acid-washing stainless steel passivation cream according to claim 1, it is characterized in that: described permeate agent is a nonionogenic tenside, is specially in fatty alcohol-polyoxyethylene ether, alkyl alcohol Soxylat A 25-7 or the cocoanut fatty acid diethanolamide one or more.
7. the preparation method of the described acid-washing stainless steel passivation of claim 1 cream, it is characterized in that mainly may further comprise the steps: take by weighing raw material: etching reagent 10-30 part, passivator 20-60 part, gelifying agent 10-30 part, mineral filler 40-60 part and permeate agent 1-5 part according to following weight proportion, the raw material that takes by weighing is joined in the tetrafluoroethylene reactor, add linking agent after the stirring and dissolving, wherein the add-on of linking agent is the 10%-20% of gelifying agent weight, continues to stir the static jelly shape acid-washing stainless steel passivation cream that promptly makes then.
8. the preparation method of acid-washing stainless steel passivation cream according to claim 7 is characterized in that: described linking agent is an epoxy chloropropane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148518.5A CN103225087B (en) | 2013-04-26 | 2013-04-26 | Stainless steel pickling passivation paste and preparation method thereof |
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| CN201310148518.5A CN103225087B (en) | 2013-04-26 | 2013-04-26 | Stainless steel pickling passivation paste and preparation method thereof |
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| CN103225087A true CN103225087A (en) | 2013-07-31 |
| CN103225087B CN103225087B (en) | 2015-04-01 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820774A (en) * | 2014-02-26 | 2014-05-28 | 苏州禾川化学技术服务有限公司 | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof |
| CN104911576A (en) * | 2015-07-02 | 2015-09-16 | 常熟风范电力设备股份有限公司 | Chrome-free passivant for hot-dip galvanized steel sheet and preparation method thereof |
| CN104962910A (en) * | 2015-06-26 | 2015-10-07 | 合肥长兴汽车配件有限公司 | Rust-proof treatment method for stainless-steel welding joint |
| CN105018948A (en) * | 2015-07-22 | 2015-11-04 | 中冶南方工程技术有限公司 | Acid pickling method for hot rolled 304 Austenitic stainless steel |
| CN106917095A (en) * | 2017-03-23 | 2017-07-04 | 合肥协耀玻璃制品有限公司 | A kind of acid-washing stainless steel passivation cream and preparation method thereof |
| CN106939420A (en) * | 2017-03-23 | 2017-07-11 | 合肥协耀玻璃制品有限公司 | A kind of passivation for stainless steel liquid and its passivation technology |
| CN107012472A (en) * | 2017-03-23 | 2017-08-04 | 合肥协耀玻璃制品有限公司 | A kind of passivating agent for acid-washing stainless steel and preparation method thereof |
| CN107268002A (en) * | 2017-08-04 | 2017-10-20 | 苏州吉利不锈钢制品有限公司 | A kind of 304 passivating agent for acid-washing stainless steel and preparation method thereof |
| CN107268000A (en) * | 2017-07-10 | 2017-10-20 | 南京中车浦镇城轨车辆有限责任公司 | A kind of acid-washing stainless steel passivation cream and preparation method thereof and application method |
| CN107488858A (en) * | 2017-08-04 | 2017-12-19 | 苏州吉利不锈钢制品有限公司 | A kind of austenitic stainless steel passivating agent for acid-washing and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553634A (en) * | 2020-10-30 | 2021-03-26 | 哈尔滨哈飞航空工业有限责任公司 | Ointment and passivation paste for stainless steel brush coating passivation and preparation method thereof |
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| CN86101522A (en) * | 1986-07-07 | 1988-01-27 | 上海大明铁工厂 | Acid washing-passivating paste for stainless steel |
| CN1067687A (en) * | 1991-06-08 | 1993-01-06 | 孙永春 | The chemical stripping method of oxidizing layer of stainless steel |
| CN1124788A (en) * | 1994-05-04 | 1996-06-19 | 孙永春 | Pickling paste for stainless steel |
| JP2008013838A (en) * | 2006-07-10 | 2008-01-24 | Asahi Kagaku Kogyo Co Ltd | Method for pickling metallic material |
| US20100132844A1 (en) * | 2007-03-05 | 2010-06-03 | Poligrat Gmbh | Method for the thermochemical passivation of stainless steel |
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2013
- 2013-04-26 CN CN201310148518.5A patent/CN103225087B/en not_active Expired - Fee Related
Patent Citations (5)
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| CN86101522A (en) * | 1986-07-07 | 1988-01-27 | 上海大明铁工厂 | Acid washing-passivating paste for stainless steel |
| CN1067687A (en) * | 1991-06-08 | 1993-01-06 | 孙永春 | The chemical stripping method of oxidizing layer of stainless steel |
| CN1124788A (en) * | 1994-05-04 | 1996-06-19 | 孙永春 | Pickling paste for stainless steel |
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| 余平等: "《淀粉与淀粉制品工艺学》", 31 July 2011, 中国轻工业出版社 * |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820774A (en) * | 2014-02-26 | 2014-05-28 | 苏州禾川化学技术服务有限公司 | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof |
| CN104962910A (en) * | 2015-06-26 | 2015-10-07 | 合肥长兴汽车配件有限公司 | Rust-proof treatment method for stainless-steel welding joint |
| CN104911576A (en) * | 2015-07-02 | 2015-09-16 | 常熟风范电力设备股份有限公司 | Chrome-free passivant for hot-dip galvanized steel sheet and preparation method thereof |
| CN105018948A (en) * | 2015-07-22 | 2015-11-04 | 中冶南方工程技术有限公司 | Acid pickling method for hot rolled 304 Austenitic stainless steel |
| CN105018948B (en) * | 2015-07-22 | 2018-07-24 | 中冶南方工程技术有限公司 | A kind of 304 austenitic stainless steel acid washing method of hot rolling |
| CN106917095A (en) * | 2017-03-23 | 2017-07-04 | 合肥协耀玻璃制品有限公司 | A kind of acid-washing stainless steel passivation cream and preparation method thereof |
| CN106939420A (en) * | 2017-03-23 | 2017-07-11 | 合肥协耀玻璃制品有限公司 | A kind of passivation for stainless steel liquid and its passivation technology |
| CN107012472A (en) * | 2017-03-23 | 2017-08-04 | 合肥协耀玻璃制品有限公司 | A kind of passivating agent for acid-washing stainless steel and preparation method thereof |
| CN107268000A (en) * | 2017-07-10 | 2017-10-20 | 南京中车浦镇城轨车辆有限责任公司 | A kind of acid-washing stainless steel passivation cream and preparation method thereof and application method |
| CN107268002A (en) * | 2017-08-04 | 2017-10-20 | 苏州吉利不锈钢制品有限公司 | A kind of 304 passivating agent for acid-washing stainless steel and preparation method thereof |
| CN107488858A (en) * | 2017-08-04 | 2017-12-19 | 苏州吉利不锈钢制品有限公司 | A kind of austenitic stainless steel passivating agent for acid-washing and preparation method thereof |
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| CN103225087B (en) | 2015-04-01 |
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Granted publication date: 20150401 |