CN103820797A - Stainless steel oxidizing layer cleaning agent and preparation method and application thereof - Google Patents
Stainless steel oxidizing layer cleaning agent and preparation method and application thereof Download PDFInfo
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- CN103820797A CN103820797A CN201410042410.2A CN201410042410A CN103820797A CN 103820797 A CN103820797 A CN 103820797A CN 201410042410 A CN201410042410 A CN 201410042410A CN 103820797 A CN103820797 A CN 103820797A
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Abstract
The invention discloses a stainless steel oxidizing layer cleaning agent and a preparation method and application thereof. The stainless steel oxidizing layer cleaning agent comprises the following raw materials: 30% to 50% of cyclodextrin, 10% to 20% of organic acid, 10% to 20% of a composite surface active agent, and the balance of water, wherein the cyclodextrin is a mixture of one or more than two of alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin, hydroxypropyl beta-cyclodextrin and methylase beta-cyclodextrin; the organic acid is a mixture of one or more than two of methane acid, ethane acid, propionic acid, lemon acid, oxalic acid, maleic acid and lauric acid; the composite surface active agent is a mixture of one or more than two of sodium oleate, alkyl glycoside, lauryl sodium sulfate, coconut fatty acid diethanol amide, fatty alcohol-polyoxyethylene ether and polyethylene glycol. The stainless steel oxidizing layer cleaning agent has the advantages that the preparation method is simple, the use and operation are convenient, the service life is long, the generation amount of wastewater is small, the components can be easily and biologically degraded, the green and environment-friendly effects are realized, and the cost is low. The stainless steel oxidizing layer cleaning agent has the potentiality of replacing the existing stainless steel oxidizing layer cleaning agent using inorganic acid as the main component.
Description
Technical field
The present invention relates to a kind of oxidizing layer of stainless steel clean-out system and its preparation method and application, metal surface cleans and field of surface treatment.
Background technology
In producing stainless steel process, inevitably can generate zone of oxidation, the existence of zone of oxidation not only has influence on stainless attractive in appearance, also can have influence on the further processing treatment of stainless steel, and the removal of oxidizing layer of stainless steel has become indispensable step in stainless steel processing.The oxidizing layer of stainless steel clean-out system using at present, substantially take mineral acid as main, comprises (CN200510020976.6, CN200710133741.7, material protection, 2010 such as nitric acid, hydrochloric acid, phosphoric acid, hydrofluoric acid; 43,28, clean the world, 2013; 29,29).Mineral acid has stronger corrodibility, can reach the object of cleaning oxidizing layer of stainless steel, but shorter work-ing life as main oxidizing layer of stainless steel clean-out system take mineral acid, waste water generation is large, and mineral acid environment degradable is poor, and environmental pollution is serious.Under the pressure of environmental emission reduction, the oxidizing layer of stainless steel clean-out system that contains higher proportion mineral acid in use shows certain limitation gradually.Although organic acid has good biological degradability, due to acidity a little less than, separately with organic acid provide sour environment clean oxidizing layer of stainless steel, effect is substantially poor, and cost is relatively high.
Cyclodextrin (cyclodextrin, be called for short CD) be the cyclic oligosaccharide being formed by connecting by α-Isosorbide-5-Nitrae-glycosidic link by D-(+)-glucopyranose units, be truncated cones shape, there is special construction and the character of " inner chamber is hydrophobic, and outer wall is hydrophilic ".Due to poly-hydroxy and the hydrophobic cavity structure of cyclodextrin, make it there is very strong complexing action and inclusion effect to metal ion in water, and then can effectively " peel off " oxidizing layer of stainless steel in weak acid environment, realize with biodegradable organic acid and replaced mineral acid to prepare oxidizing layer of stainless steel clean-out system.In addition, after cyclodextrin molecular complexing and inclusion metal ion, the form with Inclusion Complexes from cleaning system that is easy to is separated out.Therefore,, in the time that the cleaning performance of oxidizing layer of stainless steel clean-out system can not reach requirement, as long as a certain amount of cyclodextrin of interpolation and organic acid can continue to meet cleaning requirement, waste water generation is few, relatively environmental protection.
Summary of the invention
The object of the present invention is to provide a kind of oxidizing layer of stainless steel clean-out system and its preparation method and application.
A kind of oxidizing layer of stainless steel clean-out system provided by the invention, described oxidizing layer of stainless steel clean-out system is composed of the following components: the cyclodextrin that quality percentage composition is 30%～50%, quality percentage composition is 10%～20% organic acid, quality percentage composition is 10%～20% complexed surfactant, and surplus is water;
Described cyclodextrin is one or more the mixture in alpha-cylodextrin, beta-cyclodextrin, γ-cyclodextrin, hydroxypropylβ-cyclodextrin, methylated β-cyclodextrin;
Described organic acid is one or more the mixture in formic acid, acetic acid, propionic acid, citric acid, oxalic acid, toxilic acid, lauric acid, optimization citric acid;
Described complexed surfactant is the two or more mixture in sodium oleate, alkyl glycoside, sodium lauryl sulphate, cocoanut fatty acid diethanolamide, fatty alcohol-polyoxyethylene ether, polyoxyethylene glycol, preferably the mixture of sodium oleate, alkyl glycoside and cocoanut fatty acid diethanolamide; The more preferably mixture of sodium oleate, alkyl glycoside and cocoanut fatty acid diethanolamide mass ratio 1:1:1.
Preferably, described oxidizing layer of stainless steel clean-out system is composed of the following components: the cyclodextrin that quality percentage composition is 35%～40%, and the organic acid that quality percentage composition is 15%～20%, the complexed surfactant that quality percentage composition is 15%～20%, surplus is water.More preferably described oxidizing layer of stainless steel clean-out system is composed of the following components: the cyclodextrin that quality percentage composition is 35%, and the organic acid that quality percentage composition is 15%, the complexed surfactant that quality percentage composition is 15%, surplus is water.
The present invention also provides the preparation method of described oxidizing layer of stainless steel clean-out system, described method is: cyclodextrin and complexed surfactant are dissolved in deionized water by component ratio, 50～70 ℃ of (preferably 60 ℃) preferred 24.0h of stirring reaction 24.0h～96.0h(), cool to room temperature, filter, in gained clear liquid, add organic acid by component ratio, 50～70 ℃ of (preferably 60 ℃) preferred 24.0h of stirring reaction 24.0h～96.0h(), be cooled to room temperature, filter, filtrate is uniform solution, is described oxidizing layer of stainless steel clean-out system.
The present invention also provides described oxidizing layer of stainless steel clean-out system in the application of cleaning in oxidizing layer of stainless steel, described application method is: by oxidizing layer of stainless steel clean-out system and water in mass ratio 5～10:100 be made into scavenging solution, stainless steel device to be cleaned is soaked in described scavenging solution, (preferably room temperature～80 ℃ at-10 ℃～100 ℃ temperature, more preferably under room temperature condition) soak 5～60 minutes, clear water rinses, and dries, and can remove the zone of oxidation of stainless steel device.
Beneficial effect of the present invention is mainly reflected in: the invention provides a kind of oxidizing layer of stainless steel clean-out system based on cyclodextrin, preparation method is simple, uses easy to operate, long service life, waste water generation is few, each component readily biodegradable, environmental protection, and with low cost.
The present invention provides sour environment with the organic acid of degraded by environment, promote oxidizing layer of stainless steel " peeling off " with cyclodextrin, prepare oxidizing layer of stainless steel clean-out system, not only can reach and use the identical cleaning performance of mineral acid, and environmental protection, have a extensive future.This oxidizing layer of stainless steel clean-out system has the alternative potentiality take mineral acid as main oxidizing layer of stainless steel clean-out system at present.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in this:
What embodiment 1-7 illustrated is the preparation of oxidizing layer of stainless steel clean-out system.
What embodiment 8-10 illustrated is the application of oxidizing layer of stainless steel clean-out system in oxidizing layer of stainless steel cleans.
Embodiment 1
In tri-mouthfuls of round-bottomed flasks of 1000mL, 350g alpha-cylodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 2
In tri-mouthfuls of round-bottomed flasks of 1000mL, 350g beta-cyclodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 3
In tri-mouthfuls of round-bottomed flasks of 1000mL, 350g γ-cyclodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 4
In tri-mouthfuls of round-bottomed flasks of 1000mL, 150g alpha-cylodextrin, 200g beta-cyclodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 5
In tri-mouthfuls of round-bottomed flasks of 1000mL, 150g beta-cyclodextrin, 200g γ-cyclodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 6
In tri-mouthfuls of round-bottomed flasks of 1000mL, 150g hydroxypropylβ-cyclodextrin, 200g beta-cyclodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 7
In tri-mouthfuls of round-bottomed flasks of 1000mL, 350g hydroxypropylβ-cyclodextrin, 50g sodium oleate, 50g alkyl glycoside and 50g cocoanut fatty acid diethanolamide are dissolved in 350g deionized water, under room temperature, stir 30min, be slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, gained filtrate is placed in to tri-mouthfuls of round-bottomed flasks of 1000mL, stir and add 150g citric acid, stirring at room temperature 30min, is slowly warmed up to 60 ℃, stirring reaction 24.0h.Stir cooling, filter, remove insolubles, obtain oxidizing layer of stainless steel clean-out system 998g.
Embodiment 8
Oxidizing layer of stainless steel clean-out system 80g prepared by embodiment 1～embodiment 7 is dissolved in respectively 1000g water, stir, make scavenging solution, under room temperature, the stainless steel device of surface oxidation layer thickness <1mm (1Cr18Ni9Ti, 0Cr18Ni9,0Cr17Ni12Mo2 or 00Cr17Ni14Mo2) is immersed respectively in the scavenging solution of preparation to dipping 15min.Flood completely, stainless steel device is taken out, immerse in 100g water and rinse, under room temperature, dry, can obtain having removed the brilliant white stainless steel device of zone of oxidation.
When above-mentioned scavenging solution uses after 10 times continuously, leave standstill 24.0h, filter, remove insolubles.In gained clear liquid, add beta-cyclodextrin 30g, citric acid 10g, surplus is water, makes scavenging solution quality reach 1080g, stirs to clarify, gained scavenging solution can continue to use 10 times.
Embodiment 9
Oxidizing layer of stainless steel clean-out system 80g prepared by embodiment 1～embodiment 7 is dissolved in respectively 1000g water, stir, slowly be warmed up to 60 ℃, make scavenging solution, the stainless steel device of surface oxidation layer thickness <1mm (1Cr18Ni9Ti, 0Cr18Ni9,0Cr17Ni12Mo2 or 00Cr17Ni14Mo2) is immersed respectively in the scavenging solution of preparation to dipping 5min.Flood completely, stainless steel device is taken out, immerse in 100g water and rinse, under room temperature, dry, can obtain having removed the brilliant white stainless steel device of zone of oxidation.
When above-mentioned scavenging solution uses after 10 times continuously, leave standstill 24.0h, filter, remove insolubles.In gained clear liquid, add hydroxypropylβ-cyclodextrin 30g, citric acid 10g, surplus is water, makes scavenging solution quality reach 1080g, stirs to clarify, gained scavenging solution can continue to use 10 times.
Embodiment 10
Oxidizing layer of stainless steel clean-out system 80g prepared by embodiment 1～embodiment 7 is dissolved in respectively 1000g water, stir, slowly be warmed up to 80 ℃, make scavenging solution, the stainless steel device of surface oxidation layer thickness <1mm (1Cr18Ni9Ti, 0Cr18Ni9,0Cr17Ni12Mo2 or 00Cr17Ni14Mo2) is immersed respectively in the scavenging solution of preparation to dipping 5min.Flood completely, stainless steel device is taken out, immerse in 100g water and rinse, under room temperature, dry, can obtain having removed the brilliant white stainless steel device of zone of oxidation.
When above-mentioned scavenging solution uses after 10 times continuously, leave standstill 24.0h, filter, remove insolubles.In gained clear liquid, add alpha-cylodextrin 30g, citric acid 10g, surplus is water, makes scavenging solution quality reach 1080g, stirs to clarify, gained scavenging solution can continue to use 10 times.
Claims (7)
1. an oxidizing layer of stainless steel clean-out system, it is characterized in that described oxidizing layer of stainless steel clean-out system is composed of the following components: the cyclodextrin that quality percentage composition is 30%～50%, quality percentage composition is 10%～20% organic acid, quality percentage composition is 10%～20% complexed surfactant, and surplus is water;
Described cyclodextrin is one or more the mixture in alpha-cylodextrin, beta-cyclodextrin, γ-cyclodextrin, hydroxypropylβ-cyclodextrin, methylated β-cyclodextrin;
Described organic acid is one or more the mixture in formic acid, acetic acid, propionic acid, citric acid, oxalic acid, toxilic acid, lauric acid;
Described complexed surfactant is the two or more mixture in sodium oleate, alkyl glycoside, sodium lauryl sulphate, cocoanut fatty acid diethanolamide, fatty alcohol-polyoxyethylene ether, polyoxyethylene glycol.
2. oxidizing layer of stainless steel clean-out system according to claim 1, it is characterized in that described oxidizing layer of stainless steel clean-out system is composed of the following components: the cyclodextrin that quality percentage composition is 35%～40%, quality percentage composition is 15%～20% organic acid, quality percentage composition is 15%～20% complexed surfactant, and surplus is water.
3. oxidizing layer of stainless steel clean-out system according to claim 1, is characterized in that described organic acid is citric acid.
4. the oxidizing layer of stainless steel clean-out system based on cyclodextrin according to claim 1, is characterized in that described complexed surfactant is the mixture of sodium oleate, alkyl glycoside and cocoanut fatty acid diethanolamide.
5. the preparation method of an oxidizing layer of stainless steel clean-out system as claimed in claim 1, it is characterized in that described method is: cyclodextrin and complexed surfactant are dissolved in deionized water by component ratio, 50～70 ℃ of stirring reaction 24.0h～96.0h, cool to room temperature, filters, and in gained clear liquid, adds organic acid by component ratio, 50～70 ℃ of stirring reaction 24.0h～96.0h, be cooled to room temperature, filter, filtrate is described oxidizing layer of stainless steel clean-out system.
6. oxidizing layer of stainless steel clean-out system as claimed in claim 1 is in the application of cleaning in oxidizing layer of stainless steel.
7. application as claimed in claim 6, the method that it is characterized in that described application is: by oxidizing layer of stainless steel clean-out system and water in mass ratio 5～10:100 be made into scavenging solution, stainless steel device to be cleaned is soaked in described scavenging solution, at room temperature～80 ℃, soak 5～60 minutes, clear water rinses, dry, can remove the zone of oxidation of stainless steel device.
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Cited By (8)
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| CN104294296A (en) * | 2014-09-17 | 2015-01-21 | 明光市锐创电气有限公司 | Cleaning agent used in production of preformed armor rods and production method of cleaning agent |
| CN105297109A (en) * | 2015-11-23 | 2016-02-03 | 佛山市高明俊品金属制品有限公司 | Stainless steel electrochemical coloring liquid and coloring method |
| CN106757076A (en) * | 2016-12-17 | 2017-05-31 | 中山市浩瑞洗涤科技有限公司 | A kind of special acidic cleaner of stainless steel and its preparation method and application |
| CN109576715A (en) * | 2018-12-29 | 2019-04-05 | 福建金源泉科技发展有限公司 | Anti-mildew stainless steel cleaning compositions |
| CN110592603A (en) * | 2019-10-30 | 2019-12-20 | 湖南金裕环保科技有限公司 | Stainless steel surface emulsion, preparation method and application thereof |
| CN111593386A (en) * | 2020-07-09 | 2020-08-28 | 惠州市腾达宇科技有限公司 | Electroplating activator and preparation method thereof |
| CN113416960A (en) * | 2021-06-10 | 2021-09-21 | 浙江强达实业有限公司 | Cleaning agent for cold-forging stainless steel fastener and use method thereof |
| CN114086192A (en) * | 2021-11-24 | 2022-02-25 | 宁波吉海金属科技有限公司 | Environment-friendly stainless steel cleaning agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104294296A (en) * | 2014-09-17 | 2015-01-21 | 明光市锐创电气有限公司 | Cleaning agent used in production of preformed armor rods and production method of cleaning agent |
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| CN111593386A (en) * | 2020-07-09 | 2020-08-28 | 惠州市腾达宇科技有限公司 | Electroplating activator and preparation method thereof |
| CN113416960A (en) * | 2021-06-10 | 2021-09-21 | 浙江强达实业有限公司 | Cleaning agent for cold-forging stainless steel fastener and use method thereof |
| CN114086192A (en) * | 2021-11-24 | 2022-02-25 | 宁波吉海金属科技有限公司 | Environment-friendly stainless steel cleaning agent and preparation method thereof |
| CN114086192B (en) * | 2021-11-24 | 2024-03-08 | 宁波吉海金属科技有限公司 | Environment-friendly stainless steel cleaning agent and preparation method thereof |
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