CN103757640B - A kind of micro-emulsion type water-based metal antirust liquid - Google Patents
A kind of micro-emulsion type water-based metal antirust liquid Download PDFInfo
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- CN103757640B CN103757640B CN201410000991.3A CN201410000991A CN103757640B CN 103757640 B CN103757640 B CN 103757640B CN 201410000991 A CN201410000991 A CN 201410000991A CN 103757640 B CN103757640 B CN 103757640B
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Abstract
The invention discloses a kind of micro-emulsion type water-based metal antirust liquid, be made up of the raw material of following mass percent: rust-preventive agent 0 ~ 10%, base oil 3 ~ 20%, tensio-active agent 0 ~ 10%, inhibiter 5 ~ 20%, stablizer 0.5 ~ 1.5%, thickening material 0 ~ 1%, pH adjusting agent 0 ~ 5%, surplus is deionized water.It is as large in oil base rust protection liquid removal difficulty that the present invention had both solved existing rust protection liquid, not labile shortcoming, solve again the shortcoming that existing aqueous protective fluids rust-proof effect does not reach oil base rust protection liquid rust-proof effect, integrate the advantage of two kinds of rust protection liquids, there is good lubrication, cooling, the function such as antirust, meet the requirement of environmental protection, economical and efficient simultaneously.
Description
Technical field
The present invention relates to a kind of metal rust-inhibiting liquid, particularly a kind of micro-emulsion type water-based metal antirust liquid.
Background technology
The corrosion of metal is the problem often run in producing, metal rusting not only makes metal works itself be damaged in profile, color and luster and mechanical property etc., and make the Quality Down of product, especially severe also can make product rejection, China GDP in 2011 is 7.43 trillion dollars, and the financial loss caused because of corrosion is up to 2200 ~ 3,700 hundred million dollars, accounts for 3% ~ 5% of national GDP total value.In order to slow down the corrosion of iron and steel, loss corrosion caused drops to bottom line, and people take a lot of rust protection measure, wherein the use of rust protection liquid be then apply comparatively wide, effect is significantly a kind of.
Rust protection liquid is a kind of synthesis permeate agent of super grade high efficiency, and it can form thin film in metallic surface, prevents corrosion of metal.According to the difference of component, rust protection liquid is divided into oil base rust protection liquid and aqueous protective fluids.
Oil base rust protection liquid is made up of base oil, oil-soluble inhibitor and supplementary additive etc.Oil base rust protection liquid can form the fine and close oil film of one deck in metallic surface, the water in air-isolation, oxygen etc. play rust inhibition.But oil base rust protection liquid subsequent handling need carry out oil removing, the removal difficulty of slushing oil is quite large, and along with the continuous enhancing of petroleum resources growing tension and environmental consciousness, and add the existence of the oil not easily problem such as decomposition, oil base rust protection liquid is replaced gradually.
Aqueous protective fluids is made up of water soluble anti-rust agent, water-soluble additive, inhibiter and water etc.Aqueous protective fluids adds a certain amount of rust-preventive agent in aqueous, to stop the generation of chemistry or electrochemical action, generates insoluble passivation film or react rete and play rust inhibition.But after this kind of rust protection liquid is applied to metallic surface, liquid film easily trickles, after moisture evaporation, also can form one deck bloom in metallic surface, lose due rust-proof effect, rustless property does not reach the effect of slushing oil.Further, traditional aqueous protective fluids is many containing the composition such as nitrite, dichromate, as everyone knows, nitrites is carcinogenic substance, has harm to the health of operator, and simultaneously dichromate composition is because of containing heavy metals such as chromium, to bad environmental, also have impact on performance and the quality of metal.Therefore, development of new environment-friendly type metal rust protection liquid has been the task of top priority.
Summary of the invention
The object of the present invention is to provide a kind of micro-emulsion type water-based metal antirust liquid, composite collaborative antirust with the component such as borate, trolamine, add appropriate base oil simultaneously and do lubricant.Eliminate the shortcoming of oil base and aqueous protective fluids, the advantage of two kinds of rust protection liquids is rolled into one simultaneously, there is good lubrication, cooling, the function such as antirust.
The technical scheme of micro-emulsion type water-based metal antirust liquid of the present invention is as follows:
A kind of micro-emulsion type water-based metal antirust liquid, its mass percent is as follows:
Wherein:
(1) rust-preventive agent
Rust-preventive agent is organic corrosion inhibitor, i.e. fatty acid soaps, sulfonate, one or more in alcamines, acid amides, ester class.Preferably two or more rust-preventive agent is composite collaborative antirust.
(2) base oil
Base oil is one or more in machinery oil, vegetables oil, white oil, silicone oil, kerosene.
(3) tensio-active agent
Tensio-active agent is one or more in Sodium dodecylbenzene sulfonate (anion surfactant LAS), polyoxyethylenated alcohol sodium sulfate (anion surfactant AES), sorbitan fatty acid ester Soxylat A 25-7 (non-ionic surfactant Tween series), sorbitan fatty acid ester (nonionogenic tenside Span series), fatty alcohol-polyoxyethylene ether (nonionogenic tenside AEO series).
Tensio-active agent is preferably anion surfactant and nonionogenic tenside is composite.
(4) other auxiliary agent
The auxiliary added in the present invention also has inhibiter, stablizer, thickening material, PH conditioning agent.
In rust protection liquid, usually use inhibiter and rust-preventive agent to act synergistically, inhibiter often selects alcamines and the composite use of acid.Alcamines can select in monoethanolamine, diethanolamine, trolamine one or more.Acid can select in oleic acid, coconut oil, boric acid one or more.
Stablizer can select in ethanol, Virahol, propyl carbinol, n-hexyl alcohol one or more.
Thickening material can select in sodium cellulose glycolate, sodium hydroxyethyl cellulose, polyoxyethylene glycol one or more.
PH conditioning agent can select mineral alkali or ammoniacal liquor, and mineral alkali can select sodium carbonate.
Beneficial effect:
The kind of existing water soluble anti-rust agent is a lot, mainly contains inorganic inhibitor and organic corrosion inhibitor two class.Conventional inorganic inhibitor has Sodium Nitrite, potassium bichromate, molybdate, tungstate etc.But because these rust-preventive agent are usually poisonous and have pollution to environment, therefore its use is restricted, and the present invention adopts organic corrosion inhibitor, environmental protection, environmentally safe.
Although traditional water-based metal antirust liquid has good cooling, security, film-formation result is poor, and the bright aqueous protective fluids of this law adds appropriate base oil makees membrane-forming agent.The carrier of emulsifying agent and rust-preventive agent is not only by base oil; and the protective membrane of even compact can be formed in metallic surface, make the adsorption film of rust-preventive agent molecule more tight, also make the rust-preventive agent molecule not easily desorption adsorbed loosely; thus strengthen water molecules, the stop that the corrosive mediums such as oxygen invade.
Surfactant molecule be by polar group and non-polar group dimerous, the former hydrophilic water soluble, the latter's oleophylic oil-soluble.Rust protection liquid of the present invention is owing to adding tensio-active agent; under the effect of strong stirring; when disperse phase is dispersed into many small dropletss; last layer tensio-active agent can be adsorbed in drop surface; its lipophilic group stretches to oil phase; hydrophilic radical stretches to aqueous phase; and form one deck unit molecule interfacial film; this stratum boundary facial mask has some strength; therefore to drop, there is provide protection; be unlikely when drop is collided mutually and mutually flock together, immiscible water-oil phase generation emulsification can be made to form stable emulsion.
Tensio-active agent of the present invention adopts emulsifying property good, and has certain cleaning and the aniorfic surfactant of lubricity, the preferably composite use with nonionic surface active agent, its better effects if.
The invention provides a kind of micro-emulsion type water-based metal antirust liquid, not only both solved existing rust protection liquid as large in oil base rust protection liquid removal difficulty, not labile shortcoming, solve again the shortcoming that existing aqueous protective fluids rust-proof effect does not reach oil base rust protection liquid rust-proof effect, meet the requirement of environmental protection, economical and efficient simultaneously.
Micro-emulsion type water-based metal antirust liquid of the present invention, can configure different concentration according to concrete operating mode, is generally dilution 20 ~ 30 times use, has environmental protection, efficient, economic advantage.Be mainly used in the metal rust preventing in machinery production, processing and transportation.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1:
(1) in four-hole boiling flask, add 12g silicone oil, then add 3g polysorbas20 and 2g sorbester p17 successively, heated and stirred, rotating speed controls at 900r/min, and temperature controls at 70 DEG C.
(2) 5g sodium carbonate, 15g monoethanolamine borate, 10g trolamine, 2g polyoxyethylene glycol are dissolved in appropriate deionized water successively, treat to dissolve completely, be slowly added drop-wise in (1).
(3) mixed solution in (2) is continued constant temperature and stir 1h.
(4) stir the backward above-mentioned solution of end and add 2g sodium cellulose glycolate, 2g propyl carbinol, supply balance deionized water to 250g, the rotating speed that slows down, to 200r/min, continues stirring at normal temperature 30min..
The formula composition of table one embodiment 1
| Ingredient names | Content, %(m/m) |
| Trolamine | 4 |
| Silicone oil | 4.8 |
| Polysorbas20 (nonionogenic tenside) | 1.2 |
| Sorbester p17 (nonionogenic tenside) | 0.8 |
| Monoethanolamine borate | 6 |
| Sodium carbonate | 2 |
| Polyoxyethylene glycol | 0.8 |
| Sodium cellulose glycolate | 0.8 |
| Propyl carbinol | 0.8 |
| Deionized water | 78.8 |
Embodiment 2:
(1) in four-hole boiling flask, add 12g kerosene, then add 4.5g tween 80 and 0.5g sorbester p17 successively, heated and stirred, rotating speed controls at 900r/min, and temperature controls at 50 DEG C.
(2) 15g monoethanolamine borate, 15g trolamine, 2g polyoxyethylene glycol are dissolved in appropriate deionized water successively, treat to dissolve completely, be slowly added drop-wise in (1).
(3) mixed solution in (2) is continued constant temperature and stir 1h.
(4) stir the backward above-mentioned solution of end and add 2g sodium cellulose glycolate, 2g propyl carbinol, 10g ammoniacal liquor, supply balance deionized water to 250g, the rotating speed that slows down, to 200r/min, continues stirring at normal temperature 30min..
The formula composition of table two embodiment 2
| Ingredient names | Content, %(m/m) |
| Trolamine | 6 |
| Kerosene | 4.8 |
| Tween 80 (nonionogenic tenside) | 1.8 |
| Sorbester p17 (nonionogenic tenside) | 0.2 |
| Monoethanolamine borate | 6 |
| Ammoniacal liquor | 4 |
| Polyoxyethylene glycol | 0.8 |
| Sodium cellulose glycolate | 0.8 |
| Propyl carbinol | 0.8 |
| Deionized water | 74.8 |
Embodiment 3:
(1) in four-hole boiling flask, add 10g machinery oil, then add 0.75gAEO-3,0.5gAEO-7,1.25gAEO-9 successively, heated and stirred, rotating speed controls at 500r/min, and temperature controls at 50 DEG C.
(2) 5g sodium carbonate, 20g monoethanolamine borate, 20g trolamine, 2g polyoxyethylene glycol are dissolved in appropriate deionized water successively, treat to dissolve completely, be slowly added drop-wise in (1).
(3) mixed solution in (2) is continued constant temperature and stir 1h.
(4) stir the backward above-mentioned solution of end and add 2g sodium cellulose glycolate, 5g propyl carbinol, supply balance deionized water to 250g, the rotating speed that slows down, to 200r/min, continues stirring at normal temperature 30min..
The formula composition of table three embodiment 3
| Ingredient names | Content, %(m/m) |
| Trolamine | 8 |
| Machinery oil | 4 |
| AEO-3(nonionogenic tenside) | 0.3 |
| AEO-7(nonionogenic tenside) | 0.2 |
| AEO-9(nonionogenic tenside) | 0.5 |
| Monoethanolamine borate | 8 |
| Sodium carbonate | 2 |
| Polyoxyethylene glycol | 0.8 |
| Sodium cellulose glycolate | 0.8 |
| Propyl carbinol | 0.8 |
| Deionized water | 74.6 |
Embodiment 4:
(1) in four-hole boiling flask, add 7.5g silicone oil, then add 0.15gAES, 0.60gAEO-3 successively, heated and stirred, rotating speed controls at 300r/min, and temperature controls at 70 DEG C.
(2) 15g monoethanolamine borate, 10g trolamine, 2g polyoxyethylene glycol are dissolved in appropriate deionized water successively, treat to dissolve completely, be slowly added drop-wise in (1).
(3) mixed solution in (2) is continued constant temperature and stir 1h.
(4) stir the backward above-mentioned solution of end and add 2g sodium cellulose glycolate, 3g n-hexyl alcohol, 10g ammoniacal liquor, supply balance deionized water to 250g, continue permanent rotating speed stirring at normal temperature 30min..
The formula composition of table four embodiment 4
| Ingredient names | Content, %(m/m) |
| Trolamine | 4 |
| Silicone oil | 3 |
| AEO-3(nonionogenic tenside) | 0.24 |
| AES(anion surfactant) | 0.06 |
| Monoethanolamine borate | 6 |
| Ammoniacal liquor | 4 |
| Polyoxyethylene glycol | 0.8 |
| Sodium cellulose glycolate | 0.8 |
| N-hexyl alcohol | 1.2 |
| Deionized water | 79.9 |
Embodiment 5:
(1) in four-hole boiling flask, add 7.5g vegetables oil, then add 1.5g tween 80 and 1g sorbester p17 successively, heated and stirred, rotating speed controls at 500r/min, and temperature controls at 50 DEG C.
(2) 15g monoethanolamine borate, 25g trolamine, 2g polyoxyethylene glycol are dissolved in appropriate deionized water successively, treat to dissolve completely, be slowly added drop-wise in (1).
(3) mixed solution in (2) is continued constant temperature and stir 1h.
(4) stir the backward above-mentioned solution of end and add 2g sodium cellulose glycolate, 3g n-hexyl alcohol, 10g ammoniacal liquor, supply balance deionized water to 250g, the rotating speed that slows down, to 200r/min, continues stirring at normal temperature 30min..
The formula composition of table five embodiment 5
| Ingredient names | Content, %(m/m) |
| Trolamine | 10 |
| Vegetables oil | 3 |
| Tween 80 (nonionogenic tenside) | 0.6 |
| Sorbester p17 (nonionogenic tenside) | 0.4 |
| Monoethanolamine borate | 6 |
| Ammoniacal liquor | 4 |
| Polyoxyethylene glycol | 0.8 |
| Sodium cellulose glycolate | 0.8 |
| N-hexyl alcohol | 1.2 |
| Deionized water | 73.2 |
Embodiment 6(total mass 250g)
(1) in four-hole boiling flask, add 7.5g white oil, then add 0.75gAEO-3,0.5gAEO-7,1.25gAEO-9 successively, heated and stirred, rotating speed controls at 500r/min, and temperature controls at 50 DEG C.
(2) 5g sodium carbonate, 30g monoethanolamine borate, 25g trolamine, 2g polyoxyethylene glycol are dissolved in appropriate deionized water successively, treat to dissolve completely, be slowly added drop-wise in (1).
(3) mixed solution in (2) is continued constant temperature and stir 1h.
(4) stir the backward above-mentioned solution of end and add 2g sodium cellulose glycolate, 3g n-hexyl alcohol, supply balance deionized water to 250g, the rotating speed that slows down, to 200r/min, continues stirring at normal temperature 30min..
The formula composition of table six embodiment 6
| Ingredient names | Content, %(m/m) |
| Trolamine | 10 |
| White oil | 3 |
| AEO-3(nonionogenic tenside) | 0.3 |
| AEO-7(nonionogenic tenside) | 0.2 |
| AEO-9(nonionogenic tenside) | 0.5 |
| Monoethanolamine borate | 12 |
| Sodium carbonate | 2 |
| Polyoxyethylene glycol | 0.8 |
| Sodium cellulose glycolate | 0.8 |
| N-hexyl alcohol | 1.2 |
| Deionized water | 69.2 |
Although, above in embodiment to invention has been detailed description, can make on this basis some amendment, these modifications or improvements on the basis not departing from spirit of the present invention, all belong to the scope of protection of present invention.
Performance test:
The rust protection liquid of the present embodiment is carried out performance measurement, and makes comparisons with commercially available prod D, commercially available prod D take nitrite as the metal rust-inhibiting liquid of main rust-preventive agent.Wherein property indices measures respectively as follows:
Test method (SH0365-92):
1. rust prevention test
Present method is used to check that the rust protection liquid made is to the antirust ability of metal.
Key instrument and material: radiator valve, wetting groove, corundum cloth, test piece (steel disc No. 45 specification: 50mm × 25mm × 2mm), absorbent cotton, washing gasoline, washing analytical pure ethanol, beaker.
Testing sequence:
(1) test piece gauze is polished, dry up after cleaning with gasoline → gasoline → ethanol → ethanol successively, stand-by.
(2) in beaker, prepare the rust protection liquid 100ml of 4% concentration, dip the solution prepared with round end glass stick, processed good test piece drips 5, and often dripping diameter is 4 ~ 5mm, should keep certain distance, must not connect between each.Get a test piece simultaneously and make blank.
(3) test piece is dried after put on the porcelain plate of moistening groove, after building moistening groove lid, be placed in leave standstill under 35 ± 2 DEG C of conditions and place.
Leave standstill after 3 days, all there is not rust staining in test piece entirety, in order to shorten the test period, above-mentioned (3) step adjusts by we, imitates mal-condition, sprays salt fog in test piece, be adjusted to following (4) step.
(4) prepare the NaCl solution of 1%, be sprayed on atomizer and drip in better test piece.Put on the porcelain plate of moistening groove after test piece is dried, after building moistening groove lid, leave standstill under being placed in 35 ± 2 DEG C of conditions and place.
After trial period (one month) is full, observe test piece situation.
Table one rustless property is tested
| Antirust product | There is corrosion spot number | Rank | Whether qualified |
| Commercially available prod D | 1 | A | Qualified |
| The embodiment of the present invention 1 | 0 | A | Qualified |
| The embodiment of the present invention 2 | 0 | A | Qualified |
| The embodiment of the present invention 3 | 0 | A | Qualified |
| The embodiment of the present invention 4 | 0 | A | Qualified |
| The embodiment of the present invention 5 | 0 | A | Qualified |
| The embodiment of the present invention 6 | 0 | A | Qualified |
2. corrosion-resistanting test
Present method is soaked in rust protection liquid at a certain temperature by tinsel, after the specified time, evaluates the antiseptic property of rust protection liquid to metal with metal testing plate colour-change.
Key instrument and material: thermostat water bath, absorbent cotton, test piece (steel disc No. 45 specification: 50mm × 25mm × 2mm).
Testing sequence:
(1) test piece gauze is polished, dry up after cleaning with gasoline → gasoline → ethanol → ethanol successively, stand-by.
(2) test piece is put into the rust protection liquid bottle filling 4% concentration, make rust protection liquid exceed test piece top and be about 10mm, then build bottle cap, put in the water bath with thermostatic control of 55 ± 2 DEG C and test.
After trial period (one month) is full, observe test piece situation.
Table two antiseptic property is tested
| Antirust product | Soak time/sky | Outward appearance | Whether qualified |
| Commercially available prod D | 30 | Rustless, than slightly dark before | Defective |
| The embodiment of the present invention 1 | 30 | Rustless, light newly as before | Qualified |
| The embodiment of the present invention 2 | 30 | Rustless, light newly as before | Qualified |
| The embodiment of the present invention 3 | 30 | Rustless, light newly as before | Qualified |
| The embodiment of the present invention 4 | 30 | Rustless, light newly as before | Qualified |
| The embodiment of the present invention 5 | 30 | Rustless, light newly as before | Qualified |
| The embodiment of the present invention 6 | 30 | Rustless, light newly as before | Qualified |
Claims (3)
1. a micro-emulsion type water-based metal antirust liquid, is characterized in that, mass percent is composed as follows:
2. a micro-emulsion type water-based metal antirust liquid, is characterized in that, mass percent is composed as follows:
3. a micro-emulsion type water-based metal antirust liquid, is characterized in that, mass percent is composed as follows:
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