CN105483726A - Efficient low-foam normal-temperature phosphorous-free oil removing liquid - Google Patents
Efficient low-foam normal-temperature phosphorous-free oil removing liquid Download PDFInfo
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- CN105483726A CN105483726A CN201510863882.9A CN201510863882A CN105483726A CN 105483726 A CN105483726 A CN 105483726A CN 201510863882 A CN201510863882 A CN 201510863882A CN 105483726 A CN105483726 A CN 105483726A
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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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
- C23G1/18—Organic inhibitors
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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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
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Abstract
The invention discloses efficient low-foam normal-temperature phosphorous-free oil removing liquid. The oil removing liquid consists of the following components in percentage by weight: 3.0-7.0 wt% of alkylphenol polyoxyethylene ether, 1.0-5.0 wt% of fatty alcohol polyoxyethylene ether, 1.0-5.0 wt% of fatty acid methyl ester polyoxyethylene ether sulfonate, 0.5-4.0 wt% of linear alkylbenzene sulfonate, 10.0-30.0 wt% of carbonate, 4.0-15.0 wt% of sodium metasilicate pentahydrate, 5.0-15.0 wt% of sodium hydroxide, 4.0-12.0 wt% of sodium citrate, 0.5-1.0 wt% of redeposition resisting agent, 2.0-5.0 wt% of complexing agent, 0.1-0.3 wt% of defoaming agent, 1.0-3.0 wt% of corrosion inhibitor, 0.01-0.1 wt% of flocculating settling agent, and the balance of water. The oil removing liquid has the characteristics of cost saving, improvement of oil removing efficiency and economic benefit.
Description
Technical field
The invention belongs to iron and steel oil removing cleaning technique field.Be specifically related to the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature.
Background technology
Oil removal treatment before steel part plating and application is one of critical process ensureing plating (painting) layer bonding force.If there is " interlayer " of the organic substances such as greasy dirt in metallic surface in treating processes, the planeness, bonding force, resistance to corrosion etc. of plating (painting) layer can be affected, even cause deposition discontinuous, loose, and even plating (painting) is peeled off layer by layer, makes it lose actual use value.
Degreasing fluid is the complex mixture that the organic of a kind of water-based forms with inorganic chemical.Degreasing fluid utilizes alkali to remove saponification quasi-grease to the saponification of greasy dirt and the emulsifying effect of tensio-active agent, there is strong oil removal efficiency at low temperatures for making simultaneously, also require that surfactant exerts soaks, infiltration, rolling off and dissemination, namely utilize tensio-active agent at metal-greasy dirt contacting permeation, replace greasy dirt phase, make metallographic phase wetted, at metal, the intersection of greasy dirt and solution three-phase also exists three kinds of interfacial tensions, under the impact that degreasing fluid is made a concerted effort in interfacial tension, by means of the osmosis of metallic surface kapillary, force greasy dirt by rolling off to liquid level to reach degreasing effect.
Patent " a kind of without phosphorus degreasing powder " (notification number: CN102965681A) discloses a kind of without phosphorus degreasing powder, and it comprises following component: sodium hydroxide, sodium carbonate, nitrilotriacetic acid trisodium, C2-8 carboxylic acid, Trisodium Citrate, Sunmorl N 60S, sodium sulfate, tensio-active agent.Without phosphorus degreasing powder of the present invention is not phosphorous, environmentally friendly, and cleaning performance is better, but deoiling effect is not high.
At present commercially available except oil production oil removing speed comparatively slow, clean not thorough; Greasy dirt after cleaning easily adheres again to workpiece, causes secondary pollution; Mainly under high temperature (60 ~ 90 DEG C) condition, carry out manipulation, need a large amount of energy heats; And the tensio-active agent wherein contained, because stirring or air-blowing can produce a large amount of foams in oil removing process, when excess foam rise can cause the spilling of working fluid, cause material waste, and produce spot on the workpiece surface of cleaning, bring operation inconvenience to production.And have stronger sequestering because of phosphoric acid salt, more can use as washing assistant, therefore be widely used in degreasing powder, but in phosphoric acid salt, the existence of phosphoric easily causes body eutrophication, finally pollutes water body.Therefore need to provide a kind of new solution to solve the problems referred to above, obtain a kind of efficient degreasing liquid.
Summary of the invention
The object of the invention is to overcome prior art except speed oil is comparatively slow, cleaning thoroughly, does not easily produce the defects such as foam, provide that a kind of oil removal efficiency is high under normal temperature condition, easy cleaning, foam are few, can not cause secondary pollution, cost is low, easy to operate, the without phosphorus degreasing fluid of high-effective low foam normal temperature of energy-conserving and environment-protective.
For achieving the above object, the technical solution used in the present invention is:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, it is characterized in that: described degreasing fluid is composed of the following components by weight percentage: alkylphenol polyoxyethylene 3.0 ~ 7.0wt%, fatty alcohol-polyoxyethylene ether 1.0 ~ 5.0wt%, fatty acid methyl ester polyethenoxy ether sulphonate 1.0 ~ 5.0wt%, linear alkylbenzene sulfonate 0.5 ~ 4.0wt%, carbonate 10.0 ~ 30.0wt%, metasilicate pentahydrate sodium 4.0 ~ 15.0wt%, sodium hydroxide 5.0 ~ 15.0wt%, Trisodium Citrate 4.0 ~ 12.0wt%, anti redeposition agent 0.5 ~ 1.0wt%, complexing agent 2.0 ~ 5.0wt%, defoamer 0.1 ~ 0.3wt%, inhibiter 1.0 ~ 3.0wt%, flocculating setting agent 0.01 ~ 0.1wt%, surplus is water.Metasilicate pentahydrate sodium has dispersion, moistening, perviousness, emulsification, saponification grease, soil suspension, prevention soil redeposition and pH value surge capability.Adding Starso one is to remove the grease that saponification reaction can not occur; Two is that the molecular energy of water glass forms film at piece surface, and protection metallic surface is from the corrosion of sodium hydroxide.Sodium hydroxide is highly basic, has very strong saponifying ability.And sodium hydroxide can neutralize with the organic acid in greasy dirt and produce neutralization heat, be conducive to the softening of greasy dirt.Trisodium Citrate has the performances such as slow setting, stable, safety non-toxic, biological degradation, complexing of metal ion ability, pH regulator and buffering.
Preferably, described alkylphenol polyoxyethylene is TX-10.TX-10 is soluble in water, has excellent emulsification washing ability.
Preferably, described fatty alcohol-polyoxyethylene ether is AEO-9.AEO-9 is nonionic surface active agent, and biological degradability is good, environmental friendliness, has the performances such as good emulsifying, decontamination, washing.
Preferably, described fatty acid methyl ester polyethenoxy ether sulphonate is FMES.
Preferably, described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS.
Preferably, described carbonate is sodium carbonate; Described anti redeposition agent is Xylo-Mucine CMC.Namely hydrolysis reaction occurs after sodium carbonate is water-soluble, the sodium hydroxide of generation and grease generation saponification reaction are except degreasing.Sodium carbonate is playing the effect of supplementary consumed sodium hydroxide in oil solution, and plays shock absorption to the pH value of solution.Adopt compound surfactant can reach synergism result, i.e. synergistic effect.Xylo-Mucine CMC has the effects such as bonding, thickening, enhancing, emulsification, water conservation, suspension.
Preferably, described complexing agent is the mixture of one or both and above composition in disodium ethylene diamine tetraacetate, Sunmorl N 60S, sodium alginate.Can there is sequestering action with multiple polyvalent metal ion in complexing agent, form more stable water soluble complex, play a part the metal ion softenings of water such as chelating calcium, magnesium, be conducive to the removing of greasy dirt in quite wide pH value range.
Preferably, described defoamer is the mixture of one or more compositions in polydimethylsiloxane, tributyl phosphate, polyether-modified silicon, polysiloxane.Further, preferably, described defoamer can select the compound DF662 of special modified polyether and fluorine-containing raw material.
Preferably, described inhibiter is the mixture of one or both and above composition in Sodium Nitrite, phenylpropyl alcohol triazole, Sodium Benzoate, sodium tetraborate.
Preferably, described flocculating setting agent is the compound PMY413 of special high molecular polymer.
The invention has the beneficial effects as follows:
1, optimization of C/C composites of the present invention, the without phosphorus degreasing fluid of high-effective low foam normal temperature made, not phosphorous, environmentally friendly, and the waste water produced more easily processes, deoiling effect is obvious, can remove the slushing oil of steel surface under normal temperature condition, during use, concentration is 5% ~ 10% (wt%), and concrete visual workpiece surface stains situation and suitable adjustment; The temperature range used is room temperature to 50 DEG C, and within the scope of this, temperature is higher, and deoiling effect is better, and speed is faster.For common metal surface and oil contaminant, only need soak in degreasing fluid 1-5 minutes can be clean by surface and oil contaminant process, and oil removing cleaning capacity is strong.Not only can reduce production cost, obtain considerable economic benefit, can also mass energy be saved, produce significant environmental benefit.
2, the present invention adds special modified polyether structure defoamer DF662 in degreasing fluid, be easy to sprawl in solution surface, and take away the contiguous liquid in liquid film bottom, thinning of liquid film is made to reach below critical thickness of liquid film, the local surface tension of liquid film can be made to reduce simultaneously, form elasticity poor, the liquid film that intensity is lower, thus lather collapse, can not produce a large amount of foam when cleaning and carry out contaminate environment.
3, the present invention adds anti redeposition agent Xylo-Mucine CMC in degreasing fluid, can be adsorbed on matrix surface, increases the electronegativity of matrix, stops that greasy dirt is redeposited to matrix surface.In addition, this material is comparatively strong to the affinity of greasy dirt, greasy dirt particle can be surrounded, be dispersed in water, prevent greasy dirt secondary pollution.
4, the present invention adds as inhibiter such as imidazolines derivative, benzoates in degreasing fluid, these materials by chemical reaction or adsorption in metallic surface film forming, they can in anode film forming, also can at cathode filming, stop the dissolved oxygen in water and water to spread to metallic surface, inhibit metal to dissolve in water.Inhibiter add the anodic dissolution processes and cathode hydrogen evolution process that restrained effectively metal, reduce degreasing fluid neutral and alkali component to the corrosion speed of steel body, steel substrate played to the effect of inhibition protection.
5, the present invention adds the flocculating setting agent of special high molecular polymer PMY413 in degreasing fluid, extremely strong adsorption bridging ability is had to emulsification oil droplet, the oil ingredient be included in oil-in-water-type or water-in-oil emulsion can be separated flocculation with water component, form large floc sedimentation, be separated with water by sedimentation, reach the effect that greasy dirt sinks, again pollute to avoid the floating greasy dirt in tank liquor upper strata adhesive surface when workpiece takes out to cause, purify oil removing tank liquor simultaneously, improve tank liquor transparency.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but limit its protection domain never in any form:
Embodiment 1:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, is made up of following composition of raw materials compositions in weight percentage: alkylphenol polyoxyethylene 5.0wt%; Fatty alcohol-polyoxyethylene ether 3.0wt%; Fatty acid methyl ester polyethenoxy ether sulphonate 2.0wt%; Linear alkylbenzene sulfonate 2.0wt%; Sodium carbonate 20.0wt%; Metasilicate pentahydrate sodium 10.0wt%; Sodium hydroxide 10.0wt%; Trisodium Citrate 10.0wt%; Anti redeposition agent 0.5wt%; Complexing agent 4.0wt%; Defoamer 0.2wt%; Inhibiter 2.0wt%; Flocculating setting agent 0.1wt%; Surplus is water.
In the present embodiment: described alkylphenol polyoxyethylene is TX-10; Described fatty alcohol-polyoxyethylene ether is AEO-9; Described fatty acid methyl ester polyethenoxy ether sulphonate is FMES; Described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS; Described anti redeposition agent is Xylo-Mucine CMC; Described complexing agent is disodium ethylene diamine tetraacetate; Described defoamer is DF662; Described inhibiter is benzotriazole; Described flocculating setting agent is PMY413.
The using method of the degreasing fluid that the present embodiment 1 is developed is: working concentration is 5wt%, and use temperature is 50 DEG C, and the immersion treatment time is 1min.Obtain a result after using: surface and oil contaminant clearance is 100%.
Embodiment 2:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, is made up of following composition of raw materials compositions in weight percentage: alkylphenol polyoxyethylene 4.0wt%; Fatty alcohol-polyoxyethylene ether 4.0wt%; Fatty acid methyl ester polyethenoxy ether sulphonate 3.0wt%; Linear alkylbenzene sulfonate 1.0wt%; Sodium carbonate 15.0wt%; Metasilicate pentahydrate sodium 10.0wt%; Sodium hydroxide 10.0wt%; Trisodium Citrate 10.0wt%; Anti redeposition agent 0.5wt%; Complexing agent 4.0wt%; Defoamer 0.2wt%; Inhibiter 2.0wt%; Flocculating setting agent 0.1wt%; Surplus is water.
In the present embodiment: described alkylphenol polyoxyethylene is TX-10; Described fatty alcohol-polyoxyethylene ether is AEO-9; Described fatty acid methyl ester polyethenoxy ether sulphonate is FMES; Described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS; Described anti redeposition agent is Xylo-Mucine CMC; Described complexing agent is disodium ethylene diamine tetraacetate; Described defoamer is DF662; Described inhibiter is Sodium Nitrite; Described flocculating setting agent is PMY413.
The using method of the degreasing fluid that the present embodiment 2 is developed is: working concentration is 5wt%, and use temperature is 50 DEG C, and the immersion treatment time is 1min.Obtain a result after using: surface and oil contaminant clearance is 100%.
Embodiment 3:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, is made up of following composition of raw materials compositions in weight percentage: alkylphenol polyoxyethylene 4.0wt%; Fatty alcohol-polyoxyethylene ether 2.0wt%; Fatty acid methyl ester polyethenoxy ether sulphonate 2.0wt%; Linear alkylbenzene sulfonate 2.0wt%; Sodium carbonate 20.0wt%; Metasilicate pentahydrate sodium 10.0wt%; Sodium hydroxide 5.0wt%; Trisodium Citrate 7.0wt%; Anti redeposition agent 0.5wt%; Complexing agent 3.0wt%; Defoamer 0.1wt%; Inhibiter 2.0wt%; Flocculating setting agent 0.1wt%; Surplus is water.
In the present embodiment: described alkylphenol polyoxyethylene is TX-10; Described fatty alcohol-polyoxyethylene ether is AEO-9; Described fatty acid methyl ester polyethenoxy ether sulphonate is FMES; Described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS; Described anti redeposition agent is Xylo-Mucine CMC; Described complexing agent is disodium ethylene diamine tetraacetate and Sunmorl N 60S; Described defoamer is DF662; Described inhibiter is Sodium Nitrite; Described flocculating setting agent is PMY413.
The using method of the degreasing fluid that the present embodiment 3 is developed is: working concentration is 5wt%, and use temperature is 50 DEG C, and the immersion treatment time is 1min.Obtain a result after using: surface and oil contaminant clearance is 100%.
Embodiment 4:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, is made up of following composition of raw materials compositions in weight percentage: alkylphenol polyoxyethylene 3.0wt%; Fatty alcohol-polyoxyethylene ether 1.0wt%; Fatty acid methyl ester polyethenoxy ether sulphonate 2.0wt%; Linear alkylbenzene sulfonate 1.0wt%; Sodium carbonate 10.0wt%; Metasilicate pentahydrate sodium 8.0wt%; Sodium hydroxide is 15.0wt%; Trisodium Citrate 7.0wt%; Anti redeposition agent 0.5wt%; Complexing agent 3.0wt%; Defoamer 0.1wt%; Inhibiter 1.0wt%; Flocculating setting agent 0.1wt%; Surplus is water.
In the present embodiment: described alkylphenol polyoxyethylene is TX-10; Described fatty alcohol-polyoxyethylene ether is AEO-9; Described fatty acid methyl ester polyethenoxy ether sulphonate is FMES; Described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS; Described anti redeposition agent is Xylo-Mucine CMC; Described complexing agent is disodium ethylene diamine tetraacetate; Described defoamer is DF662; Described inhibiter is Sodium Benzoate and Sodium Nitrite; Described flocculating setting agent is PMY413.
The using method of the degreasing fluid that the present embodiment 4 is developed is: working concentration is 5wt%, and use temperature is 50 DEG C, and the immersion treatment time is 1min.Obtain a result after using: surface and oil contaminant clearance is 95%.
Embodiment 5:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, is made up of following composition of raw materials compositions in weight percentage: alkylphenol polyoxyethylene 3.0wt%; Fatty alcohol-polyoxyethylene ether 2.0wt%; Fatty acid methyl ester polyethenoxy ether sulphonate 1.5wt%; Linear alkylbenzene sulfonate 1.5wt%; Sodium carbonate 15.0wt%; Metasilicate pentahydrate sodium 8.0wt%; Sodium hydroxide 8.0wt%; Trisodium Citrate 5.0wt%; Anti redeposition agent 0.5wt%; Complexing agent 3.0wt%; Defoamer 0.1wt%; Inhibiter 1.0wt%; Flocculating setting agent 0.1wt%; Surplus is water.
In the present embodiment: described alkylphenol polyoxyethylene is TX-10; Described fatty alcohol-polyoxyethylene ether is AEO-9; Described fatty acid methyl ester polyethenoxy ether sulphonate is FMES; Described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS; Described anti redeposition agent is Xylo-Mucine CMC; Described complexing agent is disodium ethylene diamine tetraacetate; Described defoamer is DF662; Described inhibiter is Sodium Benzoate and Sodium Nitrite; Described flocculating setting agent is PMY413.
The using method of the degreasing fluid that the present embodiment 5 is developed is: working concentration is 5wt%, and use temperature is 50 DEG C, and the immersion treatment time is 1min.Obtain a result after using: surface and oil contaminant clearance is 98%.
Embodiment 6:
The without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature, is made up of following composition of raw materials compositions in weight percentage: alkylphenol polyoxyethylene 3.0wt%; Fatty alcohol-polyoxyethylene ether 3.0wt%; Fatty acid methyl ester polyethenoxy ether sulphonate 2.0wt%; Linear alkylbenzene sulfonate 2.0wt%; Sodium carbonate 15.0wt%; Metasilicate pentahydrate sodium 7.0wt%; Sodium hydroxide 10.0wt%; Trisodium Citrate 7.0wt%; Anti redeposition agent 0.5wt%; Complexing agent 4.0wt%; Defoamer 0.1wt%; Inhibiter 2.0wt%; Flocculating setting agent 0.1wt%; Surplus is water.
In the present embodiment: described alkylphenol polyoxyethylene is TX-10; Described fatty alcohol-polyoxyethylene ether is AEO-9; Described fatty acid methyl ester polyethenoxy ether sulphonate is FMES; Described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS; Described anti redeposition agent is Xylo-Mucine CMC; Described complexing agent is disodium ethylene diamine tetraacetate; Described defoamer is DF662; Described inhibiter is Sodium Nitrite; Described flocculating setting agent is PMY413.
The using method of the degreasing fluid that the present embodiment 6 is developed is: working concentration is 5wt%, and use temperature is 50 DEG C, and the immersion treatment time is 1min.Obtain a result after using: surface and oil contaminant clearance is 100%.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to principle of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (10)
1. the without phosphorus degreasing fluid of high-effective low foam normal temperature, it is characterized in that: described degreasing fluid is composed of the following components by weight percentage: alkylphenol polyoxyethylene 3.0 ~ 7.0wt%, fatty alcohol-polyoxyethylene ether 1.0 ~ 5.0wt%, fatty acid methyl ester polyethenoxy ether sulphonate 1.0 ~ 5.0wt%, linear alkylbenzene sulfonate 0.5 ~ 4.0wt%, carbonate 10.0 ~ 30.0wt%, metasilicate pentahydrate sodium 4.0 ~ 15.0wt%, sodium hydroxide 5.0 ~ 15.0wt%, Trisodium Citrate 4.0 ~ 12.0wt%, anti redeposition agent 0.5 ~ 1.0wt%, complexing agent 2.0 ~ 5.0wt%, defoamer 0.1 ~ 0.3wt%, inhibiter 1.0 ~ 3.0wt%, flocculating setting agent 0.01 ~ 0.1wt%, surplus is water.
2. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described alkylphenol polyoxyethylene is TX-10.
3. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described fatty alcohol-polyoxyethylene ether is AEO-9.
4. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described fatty acid methyl ester polyethenoxy ether sulphonate is FMES.
5. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described linear alkylbenzene sulfonate is linear alkylbenzene sulphonic acid LAS.
6. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described carbonate is sodium carbonate; Described anti redeposition agent is Xylo-Mucine CMC.
7. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described complexing agent is the mixture of one or both and above composition in disodium ethylene diamine tetraacetate, Sunmorl N 60S, sodium alginate.
8. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described defoamer is the mixture of one or more compositions in polydimethylsiloxane, tributyl phosphate, polyether-modified silicon, polysiloxane.
9. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described inhibiter is the mixture of one or both and above composition in Sodium Nitrite, phenylpropyl alcohol triazole, Sodium Benzoate, sodium tetraborate.
10. the without phosphorus degreasing fluid of a kind of high-effective low foam normal temperature according to claim 1, is characterized in that: described flocculating setting agent is the compound PMY413 of special high molecular polymer.
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| CN106637251A (en) * | 2016-12-20 | 2017-05-10 | 粟飞 | Low-foaming surfactant |
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