CN103215595A - Metal rust-preventive oil comprising sorbitan monooleate - Google Patents
Metal rust-preventive oil comprising sorbitan monooleate Download PDFInfo
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- CN103215595A CN103215595A CN2013100437606A CN201310043760A CN103215595A CN 103215595 A CN103215595 A CN 103215595A CN 2013100437606 A CN2013100437606 A CN 2013100437606A CN 201310043760 A CN201310043760 A CN 201310043760A CN 103215595 A CN103215595 A CN 103215595A
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Abstract
The invention discloses metal rust-preventive oil comprising sorbitan monooleate. The oil is prepared from the raw materials of: No.120 solvent oil, hydroxyethyl methacrylate, a silane coupling agent KH 792, sorbitan monooleate, ethanol, polyethylene glycol, modified nano-grade kaolin powder, an antioxidant, a composite film-forming material, magnesium stearate, polyethylene glycol, triethanolamine oleate, barium petroleum sulfonate, an antioxidant BHT, alcohol glucoside, phenylethanolamine A, benzotriazole, 2-aminoethyl heptadecenyl imidazoline, and phytic acid. The rust-preventive oil provided by the invention has excellent contact rust resistance and good gas-phase rust resistance. The rust-preventive oil provided by the invention provides good gas-phase rust resistance and contact rust resistance for steel and brass.
Description
Technical field
The present invention relates to the metal conditioner field, exactly is a kind of rust-proof oil that contains the smooth monoleate of sorb.
Background technology
Metal conditioner refers to the metallic surface is carried out the general name of the chemical agent of various processing.Metal finishing has comprised oil removing, rust cleaning, phosphatization, matrix pre-treatment such as antirust, and for metallic coating technology, metal protection technology are prepared, matrix pre-treatment quality has very big influence to the use of coating preparation and metal after this.
The oil-soluble antirust agent claims oil-soluble inhibitor again.Great majority are for having the long carbochain organic compound of polar group.Polar group in its molecule relies on charge effect closely to be adsorbed on the metallic surface; Nonpolar group regimental commander carbochain hydrocarbon is then towards the outside of metallic surface, and can dissolve each other with oils and be in the same place, thereby makes the rust-preventive agent molecular orientation be arranged in the metallic surface, and formation adsorptivity protective membrane makes metal not be subjected to the erosion of water and oxygen.Can be divided into five classes by its polar group: 1. Sulfonates, chemical general formula is (R-SO3.What generally use is the basic metal or the alkaline-earth metal salt of mahogany acid, as barium mahogany sulfonate, petroleum sodium sulfonate, dinonyl naphthalene sulfonate barium etc.2. carboxylic acid and soap class thereof, chemical general formula are R-COOH and the (nMm of R-COO).As the carboxylic acid of rust-preventive agent the lipid acid of vegetable and animals oils is arranged, as stearic acid, oleic acid etc., other has synthetic carboxylic acids such as oxidized petrolatum, alkenyl succinic acid, also has petroleum products naphthenic acid etc.The polarity of the metallic soap of carboxylic acid is stronger than corresponding carboxylic acid, so rust-proof effect is better, but oil soluble is less.And meet water meeting hydrolysis, stability is relatively poor when disperseing in oil, separates out from oil sometimes.3. ester class, chemical general formula is RCOOR '.Lanolin, beeswax are natural ester compounds, also are preferred metal rust-proof seal materials.The ester class rust-proof effect of polyvalent alcohol is fine, and for example single pentaerythritol oleate, sorbitan monooleate (Span-80) all are preferred metal rust-preventive agent, uses comparatively extensive.4. amine, chemical general formula is R-NH2, for example stearylamine etc.But the rust-proof effect of simple amine in mineral oil is good inadequately, and commonly used be amine salt or other mixtures that amine and organic acid generate, as oleic acid octadecane amine, stearic acid hexahydroaniline etc.5. sulphur, nitrogen heterocyclic are sulfur-bearing or nitrogenous heterocycle and some derivative, also are preferred metal rust-preventive agent, for example the alkyl phosphate salt of tetrahydroglyoxaline, benzotriazole and alpha-mercapto benzothiazole etc.Imidazolines can be used for ferrous metal and non-ferrous metal is antirust, and it is antirust that benzotriazole etc. then are mainly used in non-ferrous metals such as copper material.
Summary of the invention
The object of the present invention is to provide a kind ofly can form multilayer film in the metallic surface, this rete and metal strong adhesion make the rust-proof oil that contains the smooth monoleate of sorb of metallic surface good antirust property simultaneously.
Above-mentioned purpose realizes by following scheme:
A kind of rust-proof oil that contains the smooth monoleate of sorb is characterized in that: it is that raw material by following weight parts makes:
No. 120 solvent oil 100-110, hydroxyethyl methylacrylate 1.3-2.1, silane coupling agent KH792 1.2-2.4, the smooth monoleate 1.3-1.8 of sorb, ethanol 0.5-0.7, polypropylene glycol 0.1-0.2, modified Nano kaolinite powder 0.2-0.4, oxidation inhibitor 626 0.1-0.2, composite membrane-forming material 5-7, Magnesium Stearate 0.2-0.4, polyoxyethylene glycol 0.3-0.5, triethanolamine oleate 2-3, barium mahogany sulfonate 0.5-0.7, antioxidant BHT 0.5-0.7, alcohol ether glucoside 0.6-0.8, Phenylethanolamine A 0.2-0.3, benzotriazole 0.7-0.9,2-aminoethyl 17 alkenyl imidazoline 1.7-2.6, phytic acid 0.4-0.6;
Described composite membrane-forming material is formed by the feedstock production of following weight part: 138 Gum Rosin 35-40, tri-isopropanolamine 0.2-0.4, polyoxyethylene octylphenol ether 3-5, trichloro-butyl alcohol 2-4, ethyl acetate 1-2, No. 120 solvent oil 68-72, butyl acrylate 2-3, dimethyl silicone oil 1-2;
The preparation method of described modified Nano kaolinite powder is: kaolinite powder concentration is salt acid soak 1-2 hour of 8-12%, oven dry, add therein and be equivalent to the Tritolyl Phosphate of its weight 1-2%, the linking agent TAC of 1-2%, 3500-3800 rev/min following high-speed stirring 30-40 minute, oven dry, grind to form nanometer powder, promptly.
Described a kind of rust-proof oil that contains the smooth monoleate of sorb, it is characterized in that: the preparation method may further comprise the steps:
(1), 138 Gum Rosins, No. 120 solvent oils, polyoxyethylene octylphenol ethers are pressed the weight part mixing of required each raw material of preparation composite membrane-forming material, speed with 500-600 rev/min under 55-60 ℃ stirred 30-40 minute, add all the other preparation composite membrane-forming material desired raw materials again, after be warmed up to after 65-75 ℃ to stir and stopped heating in 20-30 minute with 500-600 rev/min speed, promptly get the composite membrane-forming material after the cooling;
(2), each raw material of rust-proof oil that preparation is contained the smooth monoleate of sorb mixes with 300-400 rev/min speed under 80-90 ℃ and stirred 30-40 minute, stops to stir, and be incubated after 1-2 hour, cool off promptly.
Beneficial effect of the present invention is: the present invention has excellent contact rustless property and good volatile rust prevention effect, and the present invention has good volatile rust prevention effect and contact rust-proof effect to steel class and brass.
Description of drawings
Fig. 1 does not contact acceleration test apparatus figure for static state of the present invention.
Embodiment
A kind of rust-proof oil that contains the smooth monoleate of sorb, it is that raw material by following weight parts (kg) makes:
No. 120 solvent oils 110, hydroxyethyl methylacrylate 1.3, silane coupling agent KH 792 1.7, the smooth monoleate 1.8 of sorb, ethanol 0.7, polypropylene glycol 0.2, modified Nano kaolinite powder 0.4, oxidation inhibitor 626 0.2, composite membrane-forming material 7, Magnesium Stearate 0.4, polyoxyethylene glycol 0.5, triethanolamine oleate 2.5, barium mahogany sulfonate 0.7, antioxidant BHT 0.6, alcohol ether glucoside 0.8, Phenylethanolamine A 0.3, benzotriazole 0.9,2-aminoethyl 17 alkenyl imidazolines 1.9, phytic acid 0.4;
Described composite membrane-forming material is formed by the feedstock production of following weight part: 138 Gum Rosins 40, tri-isopropanolamine 0.4, polyoxyethylene octylphenol ether 5, trichloro- butyl alcohol 2,2, No. 120 solvent oils 72 of ethyl acetate, butyl acrylate 3, dimethyl silicone oil 2;
The preparation method of described modified Nano kaolinite powder is: kaolinite powder concentration is 12% salt acid soak 2 hours, oven dry, add therein and be equivalent to the Tritolyl Phosphate of its weight 1%, 2% linking agent TAC, 3500 rev/mins of following high-speed stirring 40 minutes, oven dry, grind to form nanometer powder, promptly.
Described a kind of rust-proof oil that contains the smooth monoleate of sorb, the preparation method may further comprise the steps:
(1), 138 Gum Rosins, No. 120 solvent oils, polyoxyethylene octylphenol ethers are pressed the weight part mixing of required each raw material of preparation composite membrane-forming material, speed with 600 rev/mins under 60 ℃ stirred 40 minutes, add all the other preparation composite membrane-forming material desired raw materials again, after be warmed up to after 75 ℃ to stir and stopped heating in 30 minutes with 600 rev/mins speed, promptly get the composite membrane-forming material after the cooling;
(2), each raw material of rust-proof oil that preparation is contained the smooth monoleate of sorb mixes with 300 rev/mins speed under 80 ℃ and stirred 40 minutes, stops to stir, and be incubated after 2 hours, cool off promptly.
The slushing oil performance test of present embodiment slushing oil
(1) static state does not contact accelerated test
This testing apparatus is the test method of reference standard: static state does not contact acceleration test apparatus, through what convert.Testing apparatus is seen shown in Figure 1, and among the figure: 1 is that metal testing plate, 2 is that breather hole, 3 is that the gas phase slowly-releasing slushing oil, 4 that is loaded on the present embodiment in the small beaker is the electrically heated cover of electrolyte solution, 5 indicating gauges with voltage and voltage-regulation knob.
Present embodiment with 5ml and 10ml is placed in the small beaker respectively, and (50mm * 25mm * 2mm) the method processing by the GB/T4879-1999 regulation is placed in the device, contains HCO in the electrolyte solution with metal testing plate
S -1000mg/L, SO
4 2-2500mg/L, C1
-1500mg/L puts into big burning bosom, and electrolyte solution is remained 40 ℃, and the small beaker that is placed with present embodiment places big few cup, be positioned at metal testing plate under, place under the room temperature and observe each material and the corrosive time occurs.In addition, not putting slushing oil tests as barren.Test-results is shown in Table 1.
Table 1 static state does not contact the accelerated test result
Corrosion all appears in the steel class test piece 1h that does not have the blank test of slushing oil as shown in Table 1, variable color and corrosion also appear in brass 2h, and when using the slushing oil of 5ml present embodiment, no matter be all to rise appreciably test piece of steel class or antirust time of other test piece, and rust-proof effect is more obvious when using the slushing oil of 10ml present embodiment.Do not contact accelerated test by static state, prove that slushing oil of the present invention has the volatile rust prevention effect, gas phase slowly-releasing slushing oil of the present invention has good rust-proof effect to steel class and brass.
(2) salt fog cabinet accelerated corrosion test
Test method is with reference to SH/T0081-1991.After metal testing plate 50mm * 25mm * 2mm being pressed the method processing of GB/T4879-1999 regulation, carry out the salt fog cabinet accelerated corrosion test
As shown in Table 2, and replace the blank test result of present embodiment slushing oil to compare with No. 120 solvent oils, this slushing oil has fine contact rust-proof effect, and salt spray corrosion resistance is better, and multiple metal is all had good effect.
Table 2 salt fog cabinet accelerated corrosion test result
| ? | 45 steel | 20 steel | Brass |
| Etching time (h) appears in blank | 18 | 19 | 25 |
| Etching time (h) appears in present embodiment | 231 | 208 | 3022 |
Conclusion: do not contact accelerated test and salt fog cabinet accelerated corrosion test by static state, it is good antirust to show that this gas phase slowly-releasing slushing oil has, have excellent contact rust-proof effect again, thereby it can be widely used in the antirust of inner chamber such as mechanical means or other contact or non-contacting metal.
Claims (2)
1. rust-proof oil that contains the smooth monoleate of sorb is characterized in that: it is that raw material by following weight parts makes:
No. 120 solvent oil 100-110, hydroxyethyl methylacrylate 1.3-2.1, silane coupling agent KH792 1.2-2.4, the smooth monoleate 1.3-1.8 of sorb, ethanol 0.5-0.7, polypropylene glycol 0.1-0.2, modified Nano kaolinite powder 0.2-0.4, oxidation inhibitor 626 0.1-0.2, composite membrane-forming material 5-7, Magnesium Stearate 0.2-0.4, polyoxyethylene glycol 0.3-0.5, triethanolamine oleate 2-3, barium mahogany sulfonate 0.5-0.7, antioxidant BHT 0.5-0.7, alcohol ether glucoside 0.6-0.8, Phenylethanolamine A 0.2-0.3, benzotriazole 0.7-0.9,2-aminoethyl 17 alkenyl imidazoline 1.7-2.6, phytic acid 0.4-0.6;
Described composite membrane-forming material is formed by the feedstock production of following weight part: 138 Gum Rosin 35-40, tri-isopropanolamine 0.2-0.4, polyoxyethylene octylphenol ether 3-5, trichloro-butyl alcohol 2-4, ethyl acetate 1-2, No. 120 solvent oil 68-72, butyl acrylate 2-3, dimethyl silicone oil 1-2;
The preparation method of described modified Nano kaolinite powder is: kaolinite powder concentration is salt acid soak 1-2 hour of 8-12%, oven dry, add therein and be equivalent to the Tritolyl Phosphate of its weight 1-2%, the linking agent TAC of 1-2%, 3500-3800 rev/min following high-speed stirring 30-40 minute, oven dry, grind to form nanometer powder, promptly.
2. a kind of rust-proof oil that contains the smooth monoleate of sorb according to claim 1, it is characterized in that: the preparation method may further comprise the steps:
(1), 138 Gum Rosins, No. 120 solvent oils, polyoxyethylene octylphenol ethers are pressed the weight part mixing of required each raw material of preparation composite membrane-forming material, speed with 500-600 rev/min under 55-60 ℃ stirred 30-40 minute, add all the other preparation composite membrane-forming material desired raw materials again, after be warmed up to after 65-75 ℃ to stir and stopped heating in 20-30 minute with 500-600 rev/min speed, promptly get the composite membrane-forming material after the cooling;
(2), each raw material of rust-proof oil that preparation is contained the smooth monoleate of sorb mixes with 300-400 rev/min speed under 80-90 ℃ and stirred 30-40 minute, stops to stir, and be incubated after 1-2 hour, cool off promptly.
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