CN1743441A - High-permeability metal cleaning agent and its preparation - Google Patents
High-permeability metal cleaning agent and its preparation Download PDFInfo
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- CN1743441A CN1743441A CN 200510094240 CN200510094240A CN1743441A CN 1743441 A CN1743441 A CN 1743441A CN 200510094240 CN200510094240 CN 200510094240 CN 200510094240 A CN200510094240 A CN 200510094240A CN 1743441 A CN1743441 A CN 1743441A
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Abstract
This invention relates to the improvement to metal abluent characterizing in including oleic acid: 3-8%wt, decanedioic acid: 5-10wt, monoethanolamine, diethanolamine or TEA: 10-20%wt, SDBS of 40% content: 5-10wt, cathode ion or non-ionic surface-active agent: 2-6%wt, fluorocarbon surface-active agent: 0.8-2%wt and the rest is water. This invented abluent not only has low surface tension and high penetrating power but also has extremely cleaning and oil-removing ability and anti-rust property.
Description
Technical field
The invention relates to improvement, relate in particular to and a kind ofly be used for that precision parts cleans and the non-ferrous metal component deoil cleans usefulness hypertonicity clean-out system and preparation method metal cleaner.
Background technology
The precision metallic component are the cylinder sleeve, piston ring, bearing etc. of engine for example, all needs its cleaning of deoiling before assembling and application, to obtain high degree of cleaning.Prior art is for cleaning high cleanliness, adopts usually that surface tension is lower, the kerosene of good penetrability, gasoline makes cleaning medium.Yet make cleaning medium with vapour, kerosene, can cause the fuel oil waste on the one hand, cause bigger pressure for the nervous situation of petroleum resources; In addition, use fuel oil to make clean-out system, relatively poor because of its inflammable security, exist serious disaster hidden-trouble in the production; Besides, use fuel oil to make clean-out system, it is higher to clean cost.
For this reason, people develop various synthetic clean-out systems, this class clean-out system all is to adopt negatively charged ion or nonionogenic tenside to add that various functional additives constitute basically, as Chinese patent 91109760.0 disclosed water-base metal scavenging solutions, consist of: the Sodium Nitrite of the sodium pentachlorophenate of the sodium laurylsulfonate of 4-5%, the OP-10 of 4-5%, 0.04-0.05%, the Sodium Benzoate of 0.02-0.03%, 0.02-0.03%, the trolamine of 4-6%, the polyoxyethylene glycol of 3-4%, the ethanol of 7-8.5%, the phosphoric acid of 0.8-1%, water are formulated.Chinese patent 01115063.7 disclosed metal cleaner, the OP-10 by 1～5%, 1～5% 6501,1.5～5% JFC, the Sodium Nitrite of 1～5% polyethers 2020,5～10%, 5～10% trolamine, surplus is that water is formed.Chinese patent 01115064.5 disclosed metal cleaner, the peregal by 0.5～2%, 1～10% 6501,1～5% triethanolamine oleate, 1～10% Sodium Nitrite, 1～10% trolamine, surplus is that water is formed.Chinese patent 03131355.8 disclosed not flammable ternary liquid ceanser, contain fluorine hydrocarbon first solvent by 10%-80%, 10%-60% Ethylene Dichloride second solvent, 10%-40% contain hydrochlorofluorocar.on the 3rd solvent composition, its solution only be the combustibility that reduces clean-out system.Yet their main deficiency is: surface tension is higher, and penetrating quality is relatively poor, and cleaning performance is not ideal enough, is 90% only as Chinese patent 01115063.7 and 01115064.5 cleaning rate, is difficult to reach vapour, the requirement of kerosene cleaning high cleanliness; Secondly can produce emulsification with greasy dirt in cleaning process, shorten work-ing life, reduce cleaning performance, it is frequent to cause clean-out system to change, and increases and cleans cost; Besides, this type of clean-out system antifoam performance is relatively poor relatively, generally is difficult to use in the high quality high pressure jet cleaning.Thereby clean and the non-ferrous metal component deoil and are not used in cleaning at precision parts.Therefore precision parts cleaning up to the present still mainly uses vapour, kerosene to make clean-out system.
Applicant's Chinese patent 02138332.4 disclosed low surface tension metal working fluid though have low surface tension, owing to do not contain the cleaning composition, can not play effective cleaning, deoiling effect, and the cutting that can only be used for metal is cooled off.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of surface tension low, good penetrability, cleaning force is strong, cleans the degree of cleaning height, is difficult for emulsification again, can replace the high-permeability metal cleaning agent of vapour, kerosene cleaning.
Another object of the present invention is to provide a kind of preparation method of above-mentioned clean-out system.
High-permeability metal cleaning agent of the present invention, comprise tensio-active agent and functional additive, through a large amount of screening assembly, it basic composition is: oleic acid 3-8%wt, sebacic acid 5-10%wt, Monoethanolamine MEA BASF and/or diethanolamine and/or trolamine (hereinafter to be referred as hydramine) 10-20%wt, the Sodium dodecylbenzene sulfonate 5-10%wt of 40% content, negatively charged ion or nonionic surface active agent 2-6%wt, fluorocarbon surfactant 0.8-2%wt, surplus is that water is formed.
In addition, can also add the 0.5-2%wt sterilant as required among the present invention, to increase the service life; Add the 0.5-2%wt defoamer, to improve the froth breaking ability in high pressure jet cleaning.
Among the present invention:
Oleic acid and pure amine reaction product not only have cleaning performance preferably, but also have antirust function concurrently;
Sebacic acid and pure amine reaction product are a kind of rust-preventive agent of excellent performance, can make cleaning back metallic element have good rustless property;
Sodium dodecylbenzene sulfonate is a kind of cleaning, oil removing composition; Can adopt commercially, can adopt also that sulfonic acid and sodium hydroxide are synthetic to be made, this belongs to known technology.
Negatively charged ion or nonionic surface active agent not only have and itself remove functional oil, and with the composite use of fluorocarbon surfactant, show Overlay preferably, can significantly reduce surface tension, improve penetrating quality, remove functional oil and be better than single use.It can adopt existing various non-ionic types or aniorfic surfactant, is not particularly limited, and for example detergent 6501, peregal, JFC permeate agent, benzene sulfonic acid sodium salt etc.
Fluorocarbon surfactant (fluorocarbon surfactant) is meant that hydrophobic group has been substituted a class tensio-active agent of hydrocarbon alkyl chain by fluorine carbon alkyl chain.Test is found, add the surface tension that can significantly reduce whole component in the clean-out system of the present invention, improve penetrating quality, can make composite clean-out system have excellent permeation ability and cleaning performance, and can also greatly improve antifoam performance, not only the defoamer consumption can be reduced, and high pressure cleaning can also be used for.Test shows: as long as add-on among the present invention is greater than 0.8%wt, the composite clean-out system of gained is the basic use properties near vapour, kerosene of energy just, add-on clean-out system surface tension at most is just low, add-on is remarkable positive correlation with the reduction surface tension, therefore the present invention adds upper limit amount and is not particularly limited in theory, but, can cause the clean-out system cost to increase by a relatively large margin along with consumption increases.From satisfying the precision component cleaning requirement; and take into account cost two factors; fluorocarbon surfactant add-on of the present invention is comparatively suitable with 0.8-2%; but this scope is not accurate extreme value; under the present invention's design, suitably expand its scope amount; can obtain basic quite effect, belong to protection domain of the present invention equally with the present invention.All can use in the present invention through the various fluoride and carbon series tensio-active agents of comparison test, all can better reduce the surface tension of composition, improve perviousness, but wherein have better intermiscibility with negatively charged ion fluorocarbon surfactant and other tensio-active agents especially, thereby at first selected.
Sterilant mainly is an endophytic bacteria now in kill removing or preventing to recycle, and shortens clean-out system work-ing life, and it can be a common fungicide in the clean-out system, quaternary amine fungicide 1227 for example, and BK (Germany is that sincere company produces) is not particularly limited.Through screening relatively, the present invention better adopts Sodium Benzoate, not only has germicidal action, but also has gaseous phase antirust function.
Defoamer, main effect are to increase the froth breaking ability of clean-out system in high pressure jet cleaning, and it can be defoamer commonly used in the clean-out system, for example silicone oil series defoamer.
The preparation of high-permeability metal cleaning agent of the present invention, comprise fluorocarbon surfactant is dissolved and condensation reaction in organic pure solubility promoter, it is characterized in that condensation reaction makes oleic acid, sebacic acid, Monoethanolamine MEA BASF and/or diethanolamine and/or trolamine react to the thickness transparent liquid at 80-100 ℃ earlier, and make reactant water-soluble, and then add other component condensation reactions to transparent thick shape enriched material.
Organic pure solubility promoter among the present invention, main effect is to improve the dissolving power of fluorocarbon surfactant in water base, and it is played one's part to the full.Examine the surface tension that the adding of filtering solubility promoter better should not increase composition, with the consumption of favourable minimizing fluorocarbon surfactant.The present invention through test relatively, better adopt Virahol or polyoxyethylene glycol, its consumption is suitably 1-2 times of fluorocarbon surfactant, 0.8-4%wt for example, if the solubility promoter usage quantity is low excessively, can cause the fluorocarbon surfactant dissolving not exclusively, usage quantity is too much, do not have practical significance, only can increase cost.For quickening its dissolution rate, better take heating to carry out being lower than under the solvent gasification temperature during dissolving, make solubility promoter as using Virahol, Heating temperature should be lower than 60 ℃, avoids Virahol gasification volatilization.
The present invention heats 80-100 ℃ of condensation reaction, mainly is to make water-fast oleic acid, hydramine reach complete chemical reaction.This temperature range only is a desired value, is not extreme value, and is low if reaction temperature is spent, and then reaction is carried out very slowly, is unfavorable for suitability for industrialized production, and this temperature can satisfy reaction and carry out, and too high do not have a practical significance, is unfavorable for safety operation simultaneously yet.
Metal cleaner of the present invention, owing to produced better synergy and Overlay between each component, make clean-out system not only have low surface tension and high seepage force, 5% concentration surface tension≤2.8Pa, and extremely strong cleaning, deoiling effect and rustless property arranged, contrast trial effect and vapour, kerosene cleaning performance are similar, can substitute cleaning, the oil removing of other parts of metal that vapour, kerosene is used to have relatively high expectations and engine complete machine fully, thereby save a large amount of vapour, the kerosene energy.Owing to be group water solution, reach selected material to environment and people close friend, have no adverse effects substantially, non-stimulated to human body skin, safe and reliable, Working environment does not totally have mist of oil.Secondly, the present invention is composite to have stronger demulsification performance, use not emulsification substantially, thereby long service life, and have extremely strong antifoam performance (≤1ml/10min), be significantly less than industry standard (≤5ml/10min), especially can be used for high pressure cleaning, can improve cleaning performance, cleaning performance is better than industry standard, can reach 99%.Besides, sebacic acid, pure amine reactant rust-proof effect are better than other rust-preventive agent greatly, and this is one of innovative point of the present invention.Clean-out system of the present invention uses addition few because of its extremely strong perviousness and the good oiliness of removing, and it is low to clean cost, only is 70% of vapour, kerosene.The present invention's high infiltration metal cleaner and other cleaning medium performance comparison table one, table two.
Table one: clean-out system of the present invention and other clean-out system use propertieies are relatively
| Cleaning medium | Cleaning performance | Antirust, anti-corrosive | Consumption | Unit price |
| Dalian KS-1 | Generally | Generally | 35Kg/ week | 18 yuan/Kg |
| The U.S. adds real many | Better | Better | 20Kg/ week | 28 yuan/K |
| Product of the present invention | Better | Better | 20Kg/ week | 20 yuan/Kg |
Annotate: go up table and be the preceding washing test data of engine general assembly
Table two: clean-out system of the present invention and kerosene use properties are relatively
| Cleaning medium | Cleaning performance | Antirust, anti-corrosive | Consumption | Comprehensive cost |
| Kerosene | Well | Well | 100Kg/ week | 360 yuan |
| Product of the present invention | Well | Well | 12Kg/ week | 240 yuan |
Annotate: go up table and be data in the cylinder sleeve washing test
Below in conjunction with several embodiments, further specify the present invention, but embodiment not to concrete qualification of the present invention.
Embodiment
Embodiment 1: preparation 1000g contains the high-permeability metal cleaning agent of 1% fluorocarbon surfactant.10g Perfluorocaprylic Acid (FF61) dissolves Perfluorocaprylic Acid with 10g Virahol, 12g water, heating rapidly less than 60 ℃, makes Perfluorocaprylic Acid solution.Get oleic acid 40g, sebacic acid 60g, trolamine 150g, add in the 1000ml beaker and be heated to 80-100 ℃, reaction ends to being thickness transparent liquid (it is water-soluble entirely to take a sample), adds Sodium dodecylbenzene sulfonate 60g again, OP nonionogenic tenside 30g, methyl-silicone oil defoamer 10g, Sodium Benzoate sterilant 10g, Perfluorocaprylic Acid solution adds water to 1000ml, about stirring reaction 1h, get transparent thick shape enriched material.Get its enriched material thin up and become 5% (wt) concentration, recording surface tension is 2.8Pa, cleansing power 〉=98.5%, 5 days no rusty stains of rust prevention test cast iron.
Embodiment 2: preparation 1000g contains the high-permeability metal cleaning agent of 2% fluorocarbon surfactant.20g fluorochemical surfactant FF63 (the perfluoro alkoxy benzene sulfonic acid sodium salt is a main body), 30g polyoxyethylene glycol, 40g water are heated to stir and are made solution.Get oleic acid 60g, sebacic acid 80g, Monoethanolamine MEA BASF 80g, trolamine 100g, be heated to 80-100 ℃ in the adding 1000ml beaker, reaction is half an hour (meeting above-mentioned condition) approximately, adds Sodium dodecylbenzene sulfonate 50g, 6501 detergent 20g, Sodium Benzoate, each 15g of methyl-silicone oil, aforementioned fluorine carbon activator solution adds water to 1000ml, about stirring reaction 1h, to transparent thick shape enriched material.Thin up becomes the diluent of 5% (wt), and recording surface tension is 2.7Pa, cleansing power 99%, 5 days no rusty stains of rust prevention test cast iron.
Embodiment 3: preparation 1000g contains the high-permeability metal cleaning agent of 0.8% fluorocarbon surfactant.8gFF61 and 20g polyoxyethylene glycol, 40g water is made solution.80g oleic acid, 50g sebacic acid and 130g diethanolamine are added in the 1000ml beaker, heat 80-100 ℃ of reaction to meeting embodiment 1 requirement, add Sodium dodecylbenzene sulfonate 80g, OP tensio-active agent 50g, methyl-silicone oil 20g, Sodium Benzoate 10g, Perfluorocaprylic Acid solution adds water to 1000ml, stirs, about reaction 1h, get transparent thick shape enriched material.Thin up becomes 5% (wt) concentration, and recording surface tension is 2.75Pa, cleansing power 〉=98.0%, 5 days no rusty stains of rust prevention test cast iron.
In the foregoing description, fluorocarbon surfactant dissolving adds water, mainly is for satisfying the needs of amount of dilution, and nonessential.
In addition, the present invention can also adopt other fluorocarbon surfactants, and its negatively charged ion or nonionic surface active agent, sterilant, defoamer can make clean-out system enriched material of the present invention equally.
Claims (9)
1, high-permeability metal cleaning agent, it is characterized in that substantially by oleic acid 3-8%wt, sebacic acid 5-10%wt, Monoethanolamine MEA BASF and/or diethanolamine and/or trolamine 10-20%wt, the Sodium dodecylbenzene sulfonate 5-10%wt of 40% content, negatively charged ion or nonionic surface active agent 2-6%wt, fluorocarbon surfactant 0.8-2%wt, surplus is that water is formed.
2,, it is characterized in that also being added with the 0.5-2%wt sterilant according to the described high-permeability metal cleaning agent of claim 1.
3,, it is characterized in that said sterilant is a Sodium Benzoate according to the described high-permeability metal cleaning agent of claim 2.
4, according to claim 1 or 2 described high-permeability metal cleaning agents, it is characterized in that also being added with the 0.5-2%wt defoamer.
5,, it is characterized in that said fluorocarbon surfactant is an anionic according to the described high-permeability metal cleaning agent of claim 1.
6, a kind of as high-permeability metal cleaning agent preparation as described in the above-mentioned claim, comprise fluorocarbon surfactant is dissolved and condensation reaction in organic pure solubility promoter, it is characterized in that condensation reaction makes oleic acid, sebacic acid, Monoethanolamine MEA BASF and/or diethanolamine and/or trolamine react to the thickness transparent liquid at 80-100 ℃ earlier, and make reactant water-soluble, and then add other component condensation reactions to transparent thick shape enriched material.
7, according to the described high-permeability metal cleaning agent preparation of claim 6, it is characterized in that said organic pure solubility promoter is Virahol or polyoxyethylene glycol.
8,, it is characterized in that 1-2 that said organic pure solubility promoter is a fluorocarbon surfactant doubly according to claim 6 or the preparation of 7 described high-permeability metal cleaning agents.
9, described according to Claim 8 high-permeability metal cleaning agent preparation, it is characterized in that fluorocarbon surfactant is dissolved in to be lower than under the solvent gasification temperature carries out.
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