CN104294297A - Water-based metal cleaner and preparation method thereof - Google Patents
Water-based metal cleaner and preparation method thereof Download PDFInfo
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- CN104294297A CN104294297A CN201410519832.4A CN201410519832A CN104294297A CN 104294297 A CN104294297 A CN 104294297A CN 201410519832 A CN201410519832 A CN 201410519832A CN 104294297 A CN104294297 A CN 104294297A
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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
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
Abstract
The invention discloses a water-based metal cleaner and a preparation method thereof. The water-based metal cleaner is prepared from sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, triethanolamine oleate, triethanolamine, 3-methyl-3-methoxy-1-butanol, polyphosphate, silicate, glycerol, primary sodium alkyl sulfate, isooctyl phosphate, benzotriazole, polyethylene glycol, dimethylaminoethyl methacrylate, 2-hydroyl-3-sulfopropyl starch ether and deionized water; the preparation method of the water-based metal cleaner comprises the following steps: firstly, adding a surfactant and the triethanolamine oleate to the glycerol, heating and stirring, next, adding the triethanolamine, the 3-methyl-3-methoxy-1-butanol, the polyphosphate and the silicate, adding the primary sodium alkyl sulfate, the isooctyl phosphate, the benzotriazole and the polyethylene glycol under the conditions of stirring and preserving heating, and finally adding the rest components under the conditions of stirring and preserving heating, and heating and stirring to obtain the cleaner. The water-based metal cleaner has excellent cleaning performance and relatively high corrosion inhibition period.
Description
Technical field
The invention belongs to field of metal surface treatment technology, be specifically related to a kind of water base metal cleaning agent and preparation method thereof.
Background technology
Quality due to metallic surface pre-treatment directly affects the bonding force of application or deposition material and metal_based material and the integrity of its coating, so, very strict to Metal Surface Pretreatment Process technical requirements.Following requirement should be reached: (1) surface is without greasy dirt through the metallic surface of application or painting treatment before plating; (2) without excessive residual foreign matter; (3) without embroidering mark and oxide scale film; (4) surface reaches certain degree of roughness; (5) surface drying, without moisture, free from dust; (6) appear metallic matrix and present active state.
So-called metal cleaning, can simply be interpreted as: with the metal products of certain dirt in specific solvent, adopt certain processing method, dirt removal is fallen, that product reaches and relates to requirement, and by the technology such as stable of the special dehydration supporting with cleaning, drying, antirust, solvent, be called metal cleaning technique in the lump.
At present, domestic and international metal pretreatment technology adopts alkaline degreasing usually, comprising chemical bases eccysis oil and electrolytic alkaline cleaning oil removing, then with weakly acid soln, neutralizing treatment is carried out to alkaline residue, afterwards clear water rinsing is carried out to hardware, finally hardware is put into pickling tub and carry out acid pickling and rust removing.And in acid cleaning process, due to the strong volatility of pickle solution, the ventilation even if production environment is windowed, and use strong-force exhaust device, also have little effect, its a large amount of acid mists volatilized, have had a strong impact on the work-ing life of workshop miscellaneous equipment, the expense of maintenance of the equipment is constantly increased, again serious threat is constituted to the health of operator simultaneously.
Aqueous cleaning agent is a kind of is main component with tensio-active agent, adds the goods with washing ability that auxiliary agent and other additives are configured to.Water base metal cleaning agent owing to having with water generation oil, save the energy, do not endanger health in operation, the feature such as decreasing pollution, protection of the environment, cleaning cost are low, developed rapidly in China nearly ten years.Water base metal cleaning agent not only can replace the organic solvent such as gasoline, kerosene, effectively knows the greasy dirt of metallic surface, slows down corrosion of metal speed, and can be antirust well.Although develop the clean-out system of a lot of new variety in recent years, also have a certain distance by the requirement of current cleaning industry to metal cleaner, existing product can not meet the needs in market completely.
CN201410057954.6 openly knows clearly a kind of aqueous cleaning agent, formulated by surfactant primary washing part, alkaline auxiliary washing part, solvent content, sanitas and water.Wherein surfactant primary washing part negatively charged ion and nonionic surfactant carry out composite.Alkaline assistant part selects trolamine and metasilicate pentahydrate sodium, EDETATE SODIUM.Solvent content is chosen as ethanol, glycol ether, or natural orange oil extract orange limonene, and sanitas then selects propylben.Although this clean-out system cleaning performance is passable, its ethanol selected, glycol ether has irritating smell and has toxicity to human body.
CN201410057977.7 discloses a kind of alkaline water-based cleaning agent, and it contains Sodium Nitrite 0.1-0.3%, sodium carbonate 0.3-0.6%, tensio-active agent 0.1-0.3%, and surplus is water.The tensio-active agent that this clean-out system is selected is liquid detergent or Home construction action plan, a large amount of foams is produced in washing process, be not suitable for automatic washing and ultrasonic cleaning, and have toxicity containing Sodium Nitrite in its formula, workers exposed hand, pedal skin can damage.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and a kind of water base metal cleaning agent and preparation method thereof is provided, this clean-out system has extremely strong cleaning performance and longer inhibition cycle, noresidue, do not cause variable color, do not produce corrosion pit etc., and the low bubble of environmental protection, the material such as not phosphorous, Sodium Nitrite, its liquid waste disposal is easy, can not to environment.
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 2 ~ 10 parts, fatty alcohol-polyoxyethylene ether 1 ~ 6 part, alkylphenol polyoxyethylene 3 ~ 7 parts, triethanolamine oleate 2 ~ 6 parts, trolamine 3 ~ 8 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 1 ~ 5 part, poly-phosphate 2 ~ 6 parts, silicate 1 ~ 7 part, glycerol 3 ~ 9 parts, 2 ~ 5 parts, primary sodium, isooctyl phosphoric acid ester 1 ~ 6 part, benzotriazole 3 ~ 8 parts, polyoxyethylene glycol 4 ~ 9 parts, Dimethylaminoethyl Methacrylate 3 ~ 7 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 2 ~ 8 parts, deionized water 5 ~ 20 parts.
As the further improvement of foregoing invention, described water base metal cleaning agent comprises with parts by weight: Sodium dodecylbenzene sulfonate 6 parts, fatty alcohol-polyoxyethylene ether 4 parts, alkylphenol polyoxyethylene 5 parts, triethanolamine oleate 4 parts, trolamine 5 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 3 parts, poly-phosphate 4 parts, silicate 4 parts, glycerol 7 parts, 3 parts, primary sodium, isooctyl phosphoric acid ester 4 parts, benzotriazole 6 parts, polyoxyethylene glycol 7 parts, Dimethylaminoethyl Methacrylate 4 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 6 parts, deionized water 15 parts.
As the further improvement of foregoing invention, described fatty alcohol-polyoxyethylene ether is the one in AEO3, AEO7 or AEO9.
As the further improvement of foregoing invention, described alkylphenol polyoxyethylene is the one in NPEO, OPEO or DPEO.
As the further improvement of foregoing invention, described poly-phosphate is the one in trisodium phosphate, tripoly phosphate sodium STPP or sodium tetrapolyphosphate.
As the further improvement of foregoing invention, described silicate is water glass or Starso.
As the further improvement of foregoing invention, described primary sodium is sodium lauryl sulphate.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, is added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, is warming up to 60 ~ 80 DEG C, stirs, and after letting cool, obtains mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 2 ~ 4h in 60 ~ 80 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation keeps 1 ~ 3h in 60 ~ 80 DEG C, after letting cool, obtains mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 50 ~ 70 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
As the further improvement of foregoing invention, in step 1, temperature-rise period adopts temperature programming, heats up per half an hour 10 DEG C.
As the further improvement of foregoing invention, in step 3, the vacuum tightness of insulating process is-0.08 ~-0.1MPa.
Polyphosphoric acid salt is as sequestering agent, the inner complex formed can not be precipitated out from the aqueous solution, with tensio-active agents such as Sodium dodecylbenzene sulfonatees, there is obvious synergy, the two is composite not only has than alone wherein a kind of cleaning performance and significantly improves, and also has the effects such as buffering, dispersion, promotion emulsification.Silicate can be hydrolyzed in water, the silicic acid generated is water insoluble, and is suspended in tank liquor with micellar structure, and the particle of micella to solids foul of this kind of solvation has suspension and dispersive ability, there is emulsifying effect to greasy dirt, be conducive to preventing dirt from depositing again on the surface of workpiece.
Fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, primary sodium, three kinds of tensio-active agent synergistic effects, promote the effect of the infiltration of clean-out system and metallic surface, infiltration, dispersion, clean and emulsion degreasion oil removing.Can divide on the one hand and spread, diffuse metal surface and oil contaminant, makes greasy dirt emulsification, be separated with metallic surface, can flood on the other hand, penetrate in metallic molecule, activated metal surface matrix, enable more deep the getting in rusty stain, zone of oxidation of clean-out system, react with it, effectively eliminate rust.Due to three kinds of surfactant properties complementations, cooperatively interact, have fine synergistic effect, substantially increase that clean-out system is cleaned, emulsification, degreasing degreasing ability, metal cleaner provided by the invention is soluble in water simultaneously, debris easy cleaning.
Water base metal cleaning agent of the present invention has extremely strong cleaning performance and longer inhibition cycle, and noresidue, does not cause variable color, do not produce corrosion pit etc., and the low bubble of environmental protection, the material such as not phosphorous, Sodium Nitrite, its liquid waste disposal is easy, can not to environment.
Embodiment
Embodiment 1
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 2 parts, fatty alcohol-polyoxyethylene ether 1 part, alkylphenol polyoxyethylene 3 parts, triethanolamine oleate 2 parts, trolamine 3 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 1 part, poly-phosphate 2 parts, silicate 1 part, glycerol 3 parts, 2 parts, primary sodium, isooctyl phosphoric acid ester 1 part, benzotriazole 3 parts, polyoxyethylene glycol 4 parts, Dimethylaminoethyl Methacrylate 3 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 2 parts, deionized water 5 parts.
Above-mentioned fatty alcohol-polyoxyethylene ether is AEO3; Alkylphenol polyoxyethylene is NPEO; Poly-phosphate is trisodium phosphate; Silicate is water glass; Primary sodium is sodium lauryl sulphate.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 60 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 4h in 60 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 60 DEG C, vacuum tightness for keeping 3h under-0.08MPa condition, after letting cool, obtain mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 50 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 2
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 4 parts, fatty alcohol-polyoxyethylene ether 3 parts, alkylphenol polyoxyethylene 5 parts, triethanolamine oleate 3 parts, trolamine 4 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 2 parts, poly-phosphate 36 parts, silicate 2 parts, glycerol 4 parts, 3 parts, primary sodium, isooctyl phosphoric acid ester 2 parts, benzotriazole 5 parts, polyoxyethylene glycol 7 parts, Dimethylaminoethyl Methacrylate 5 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 3 parts, deionized water 12 parts.
Above-mentioned fatty alcohol-polyoxyethylene ether is AEO7; Alkylphenol polyoxyethylene is OPEO; Poly-phosphate is tripoly phosphate sodium STPP; Silicate is Starso; Primary sodium is sodium lauryl sulphate.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 80 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 2h in 80 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 80 DEG C, vacuum tightness for keeping 1h under-0.1MPa condition, after letting cool, obtain mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 70 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 3
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 3 parts, fatty alcohol-polyoxyethylene ether 5 parts, alkylphenol polyoxyethylene 6 parts, triethanolamine oleate 4 parts, trolamine 6 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 4 parts, poly-phosphate 3 parts, silicate 2 parts, glycerol 8 parts, 4 parts, primary sodium, isooctyl phosphoric acid ester 5 parts, benzotriazole 6 parts, polyoxyethylene glycol 7 parts, Dimethylaminoethyl Methacrylate 6 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 5 parts, deionized water 17 parts.
Above-mentioned fatty alcohol-polyoxyethylene ether is AEO9; Alkylphenol polyoxyethylene is DPEO; Poly-phosphate is sodium tetrapolyphosphate; Silicate is water glass; Primary sodium is sodium lauryl sulphate.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 70 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 3h in 70 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 70 DEG C, vacuum tightness for keeping 2h under-0.09MPa condition, after letting cool, obtain mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 60 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 4
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 9 parts, fatty alcohol-polyoxyethylene ether 4 parts, alkylphenol polyoxyethylene 5 parts, triethanolamine oleate 3 parts, trolamine 7 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 4 parts, poly-phosphate 5 parts, silicate 2 parts, glycerol 8 parts, 3 parts, primary sodium, isooctyl phosphoric acid ester 5 parts, benzotriazole 7 parts, polyoxyethylene glycol 5 parts, Dimethylaminoethyl Methacrylate 6 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 5 parts, deionized water 17 parts.
Above-mentioned fatty alcohol-polyoxyethylene ether is AEO3; Alkylphenol polyoxyethylene is NPEO; Poly-phosphate is tripoly phosphate sodium STPP; Silicate is Starso; Primary sodium is sodium lauryl sulphate.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 80 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 2h in 80 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 80 DEG C, vacuum tightness for keeping 1h under-0.1MPa condition, after letting cool, obtain mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 70 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 5
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 10 parts, fatty alcohol-polyoxyethylene ether 6 parts, alkylphenol polyoxyethylene 7 parts, triethanolamine oleate 6 parts, trolamine 8 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 5 parts, poly-phosphate 6 parts, silicate 7 parts, glycerol 9 parts, 5 parts, primary sodium, isooctyl phosphoric acid ester 6 parts, benzotriazole 8 parts, polyoxyethylene glycol 9 parts, Dimethylaminoethyl Methacrylate 7 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 8 parts, deionized water 20 parts.
Above-mentioned fatty alcohol-polyoxyethylene ether is AEO9; Alkylphenol polyoxyethylene is DPEO; Poly-phosphate is sodium tetrapolyphosphate; Silicate is water glass; Primary sodium is sodium lauryl sulphate.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 60 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 4h in 60 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 60 DEG C, vacuum tightness for keeping 3h under-0.08MPa condition, after letting cool, obtain mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 50 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 6
A kind of water base metal cleaning agent, comprise with parts by weight: Sodium dodecylbenzene sulfonate 6 parts, fatty alcohol-polyoxyethylene ether 4 parts, alkylphenol polyoxyethylene 5 parts, triethanolamine oleate 4 parts, trolamine 5 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 3 parts, poly-phosphate 4 parts, silicate 4 parts, glycerol 7 parts, 3 parts, primary sodium, isooctyl phosphoric acid ester 4 parts, benzotriazole 6 parts, polyoxyethylene glycol 7 parts, Dimethylaminoethyl Methacrylate 4 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 6 parts, deionized water 15 parts.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 70 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 3h in 70 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 70 DEG C, vacuum tightness for keeping 2h under-0.09MPa condition, after letting cool, obtain mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 60 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 7
The difference of the present invention and embodiment 6 is: not containing Dimethylaminoethyl Methacrylate in the present embodiment, specific as follows:
A kind of water base metal cleaning agent, comprises with parts by weight: Sodium dodecylbenzene sulfonate 6 parts, fatty alcohol-polyoxyethylene ether 4 parts, alkylphenol polyoxyethylene 5 parts, triethanolamine oleate 4 parts, trolamine 5 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 3 parts, poly-phosphate 4 parts, silicate 4 parts, glycerol 7 parts, 3 parts, primary sodium, isooctyl phosphoric acid ester 4 parts, benzotriazole 6 parts, polyoxyethylene glycol 7 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 6 parts, deionized water 15 parts.
The preparation method of above-mentioned water base metal cleaning agent, comprises the following steps:
Step 1, be added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, temperature programming (per half an hour heats up 10 DEG C), to 70 DEG C, stirs, after letting cool, obtain mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 3h in 70 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation in 70 DEG C, vacuum tightness for keeping 2h under-0.09MPa condition, after letting cool, obtain mixture III;
Step 4, adds 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 60 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
Embodiment 1 to 7 gained metal cleaner is carried out performance test, and result is as follows:
From the above results, metal cleaner of the present invention there is extremely strong cleaning performance, noresidue, do not cause variable color, do not produce corrosion pit, low bubble.Owing to not adding Dimethylaminoethyl Methacrylate in embodiment 7, the various aspects of performance such as gained clean-out system stability, rinsability, oil removing ability, rinsability, degreasing rate is caused all obviously to decline, this may be because Dimethylaminoethyl Methacrylate not only facilitates tensio-active agent form adsorbed close film in metallic surface, also enhance wetting dissolving and the cleaning force of clean-out system, make metal cleaner of the present invention have good cleaning performance and antirust function.
Claims (10)
1. a water base metal cleaning agent, it is characterized in that: comprise with parts by weight: Sodium dodecylbenzene sulfonate 2 ~ 10 parts, fatty alcohol-polyoxyethylene ether 1 ~ 6 part, alkylphenol polyoxyethylene 3 ~ 7 parts, triethanolamine oleate 2 ~ 6 parts, trolamine 3 ~ 8 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 1 ~ 5 part, poly-phosphate 2 ~ 6 parts, silicate 1 ~ 7 part, glycerol 3 ~ 9 parts, 2 ~ 5 parts, primary sodium, isooctyl phosphoric acid ester 1 ~ 6 part, benzotriazole 3 ~ 8 parts, polyoxyethylene glycol 4 ~ 9 parts, Dimethylaminoethyl Methacrylate 3 ~ 7 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 2 ~ 8 parts, deionized water 5 ~ 20 parts.
2. a kind of water base metal cleaning agent according to claim 1, it is characterized in that: comprise with parts by weight: Sodium dodecylbenzene sulfonate 6 parts, fatty alcohol-polyoxyethylene ether 4 parts, alkylphenol polyoxyethylene 5 parts, triethanolamine oleate 4 parts, trolamine 5 parts, 3-methyl-3-methoxyl group-n-butyl alcohol 3 parts, poly-phosphate 4 parts, silicate 4 parts, glycerol 7 parts, 3 parts, primary sodium, isooctyl phosphoric acid ester 4 parts, benzotriazole 6 parts, polyoxyethylene glycol 7 parts, Dimethylaminoethyl Methacrylate 4 parts, 2-hydroxyl-3-sulfonic group propyl group starch ethers 6 parts, deionized water 15 parts.
3. a kind of water base metal cleaning agent according to claim 1, is characterized in that: described fatty alcohol-polyoxyethylene ether is the one in AEO3, AEO7 or AEO9.
4. a kind of water base metal cleaning agent according to claim 1, is characterized in that: described alkylphenol polyoxyethylene is the one in NPEO, OPEO or DPEO.
5. a kind of water base metal cleaning agent according to claim 1, is characterized in that: described poly-phosphate is the one in trisodium phosphate, tripoly phosphate sodium STPP or sodium tetrapolyphosphate.
6. a kind of water base metal cleaning agent according to claim 1, is characterized in that: described silicate is water glass or Starso.
7. a kind of water base metal cleaning agent according to claim 1, is characterized in that: described primary sodium is sodium lauryl sulphate.
8. the preparation method of the water base metal cleaning agent described in any one of claim 1 to 7, is characterized in that: comprise the following steps:
Step 1, is added in glycerol by Sodium dodecylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene and triethanolamine oleate, is warming up to 60 ~ 80 DEG C, stirs, and after letting cool, obtains mixture I;
Step 2, adds trolamine, 3-methyl-3-methoxyl group-n-butyl alcohol, poly-phosphate and silicate in mixture I, under agitation keeps 2 ~ 4h in 60 ~ 80 DEG C, after letting cool, obtains mixture II;
Step 3, adds primary sodium, isooctyl phosphoric acid ester, benzotriazole and polyoxyethylene glycol in mixture II, under agitation keeps 1 ~ 3h in 60 ~ 80 DEG C, after letting cool, obtains mixture III;
Step 4, adds Dimethylaminoethyl Methacrylate, 2-hydroxyl-3-sulfonic group propyl group starch ethers and deionized water, is warming up to 50 ~ 70 DEG C, stirs, after letting cool, obtain clean-out system in mixture III.
9. the preparation method of water base metal cleaning agent according to claim 8, is characterized in that: in step 1, temperature-rise period adopts temperature programming, heats up per half an hour 10 DEG C.
10. the preparation method of water base metal cleaning agent according to claim 8, is characterized in that: in step 3, the vacuum tightness of insulating process is-0.08 ~-0.1MPa.
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| CN111074286A (en) * | 2018-10-18 | 2020-04-28 | 沧州华润化工有限公司 | Preparation method of biological degreasing agent |
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Application publication date: 20150121 |