CN116043233B - Water-based cleaning agent and preparation method thereof - Google Patents
Water-based cleaning agent and preparation method thereof Download PDFInfo
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- CN116043233B CN116043233B CN202211226608.7A CN202211226608A CN116043233B CN 116043233 B CN116043233 B CN 116043233B CN 202211226608 A CN202211226608 A CN 202211226608A CN 116043233 B CN116043233 B CN 116043233B
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- water
- cleaning agent
- surfactant
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- cleaning
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 33
- 239000000654 additive Substances 0.000 claims abstract description 26
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 24
- 150000007824 aliphatic compounds Chemical class 0.000 claims abstract description 24
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 29
- -1 ether compound Chemical class 0.000 claims description 29
- 230000000996 additive effect Effects 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 claims description 13
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 claims description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 9
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 9
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 9
- 239000005642 Oleic acid Substances 0.000 claims description 9
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 9
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 9
- ZUAURMBNZUCEAF-UHFFFAOYSA-N 2-(2-phenoxyethoxy)ethanol Chemical compound OCCOCCOC1=CC=CC=C1 ZUAURMBNZUCEAF-UHFFFAOYSA-N 0.000 claims description 8
- 150000003242 quaternary ammonium salts Chemical group 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 2
- CUZKCNWZBXLAJX-UHFFFAOYSA-N 2-phenylmethoxyethanol Chemical compound OCCOCC1=CC=CC=C1 CUZKCNWZBXLAJX-UHFFFAOYSA-N 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 20
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000011521 glass Substances 0.000 abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 3
- 239000004917 carbon fiber Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 150000002170 ethers Chemical class 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 16
- 230000032798 delamination Effects 0.000 description 12
- 238000001556 precipitation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000008233 hard water Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MUHFRORXWCGZGE-KTKRTIGZSA-N 2-hydroxyethyl (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCO MUHFRORXWCGZGE-KTKRTIGZSA-N 0.000 description 1
- FPFHYKOBYMYVAN-UHFFFAOYSA-N 2-phenylmethoxyethoxymethylbenzene Chemical compound C=1C=CC=CC=1COCCOCC1=CC=CC=C1 FPFHYKOBYMYVAN-UHFFFAOYSA-N 0.000 description 1
- REVVFBIOIFGJRH-JTQLQIEISA-N 4-[[(2s)-1-hydroxybutan-2-yl]amino]benzaldehyde Chemical compound CC[C@@H](CO)NC1=CC=C(C=O)C=C1 REVVFBIOIFGJRH-JTQLQIEISA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
- 239000001639 calcium acetate Substances 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
- 235000011092 calcium acetate Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229940095098 glycol oleate Drugs 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- C23G1/26—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/645—Mixtures of compounds all of which are cationic
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0073—Anticorrosion compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/2017—Monohydric alcohols branched
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Detergent Compositions (AREA)
Abstract
The invention relates to C23G1, in particular to a water-based cleaning agent and a preparation method thereof, wherein the raw materials of the water-based cleaning agent comprise hydroxyl-containing aliphatic compounds, ether compounds, surfactants, weak acid additives and water. The pH value of the cleaning agent obtained by the invention is 7-8, the flash point is 102 ℃, the incombustible performance is excellent, and the safety is high. Can strongly remove greasy dirt and ensure the glossiness of the surface of the substrate. The cleaning agent is suitable for cleaning the metal-based surface, has the characteristic of harmless cleaning, and is particularly suitable for cleaning the surfaces of an aircraft body, a ship body and various vehicle bodies. In addition, the paint can be applied to surfaces of aircrafts, automobiles and special vehicles, and also can be applied to surfaces of carbon fibers, indoor and outdoor aluminum-plastic plates, ceramic tiles, stones and glass to remove oil dirt, dust and surface oxides.
Description
Technical Field
The invention relates to C23G1, in particular to a water-based cleaning agent and a preparation method thereof.
Background
With the progress of technology and the importance of people on environmental problems, environment-friendly metal cleaning agents without phosphorus and nitrogen are widely studied to replace traditional cleaning agents containing raw materials such as gasoline. Environmental protection metal cleaners are classified into solvent-based and water-based types, and solvent cleaners generally have a large amount of hydrocarbon solvents, low flash points, and low safety, and thus, most use water-based solvents at present.
The patent No. CN113666362A provides a preparation method of a water-based green metal cleaning agent, and the cleaning agent is added by preparing sulfited chitosan and polyethylene glycol oleate, so that waste liquid after cleaning by the cleaning agent is easy to degrade. The patent No. CN111849652A provides an environment-friendly foam-free water-based cleaning agent and a preparation method thereof, and amine alkali and a foam inhibitor are added to obtain the cleaning agent which has excellent cleaning effect on residues and lubricating oil after soldering paste is welded.
The water-based cleaning agent generally generates a large amount of foam in the use process, and on the premise that the cleaning agent has strong dirt decomposition capacity, the foam can corrode metal, influence the surface quality of the metal and easily cause the metal to rust secondarily. Although the prior art eliminates foam by adding a foam suppressing component to the cleaning agent, the foam breaking rate of the defoamer is low, resulting in a reduction in the cleaning efficiency of the cleaning agent. At the same time, the defoaming property of the foam inhibition component also has timeliness, and the defoaming property is reduced over a certain time, so that the stability of the cleaning agent is reduced.
Disclosure of Invention
In order to solve the above problems, the first aspect of the present invention provides a water-based cleaning agent, the raw materials of which include a hydroxyl-containing aliphatic compound, an ether compound, a surfactant, a weak acid additive and water.
As a preferable technical scheme of the invention, the weight ratio of the hydroxyl-containing aliphatic compound, the ether compound, the surfactant and the weak acid additive is (0.2-0.5): (0.4-0.8): (2-3): (0.01-0.05).
Preferably, the weight ratio of the hydroxyl-containing aliphatic compound, the ether compound, the surfactant and the weak acid additive is (0.3-0.4): (0.5-0.6): (2.2-2.8): (0.01-0.02).
In order to avoid the negative influence of the foam suppressing component on the cleaning agent, the applicant wants to develop a cleaning agent without the foam suppressing component, so that the foam of the cleaning agent without the foam suppressing component needs to be studied, and the applicant discovers that the hydroxyl-containing aliphatic compound, the ether compound, the surfactant and the weak acid additive are added into a cleaning agent system, and the weight ratio of the substances is controlled to be (0.3-0.4): (0.5-0.6): (2.2-2.8): (0.01-0.02), not only can improve the foam in the system, but also unexpectedly improves the problem that the water-based cleaning agent is easy to accelerate the rusting of the surface of the metal part. The applicant speculates that the chain structure of the hydroxy-containing aliphatic compound is more susceptible to curling and winding in the system than the polarity of the hydroxy-containing aromatic compound, so that the chain structure is more tightly combined with other molecules in the system, and meanwhile, isopropanol belonging to small molecules improves the penetration of the surfactant; in addition, in the system, the ether compound has certain alkalinity, and forms a specific weak base environment after being combined with the weak acid additive, and the weak base environment cooperates with the permeation effect to a certain extent, so that the activity degree of the surfactant is influenced, and the performance of the foam is influenced.
Preferably, the water-based cleaning agent comprises, by weight, 0.2-0.5 part of hydroxyl-containing aliphatic compound, 0.4-0.8 part of ether compound, 2-3 parts of surfactant, 0.01-0.05 part of weak acid additive and 93-98 parts of water.
As a preferable technical scheme of the invention, the hydroxyl-containing aliphatic compound is selected from one or more of ethanol, n-propanol, isopropanol, n-butanol and tert-butanol.
Preferably, the hydroxyl-containing aliphatic compound is isopropanol.
As a preferable technical scheme of the invention, the ether compound is selected from one or more of diethylene glycol phenyl ether, ethylene glycol dibenzyl ether and ethylene glycol monobenzyl ether.
Preferably, the surface tension of the ether compound is 35-43dyne/cm, and the polarizability is (17-22). Times.10 -24cm3.
Further preferably, the ether compound is diethylene glycol phenyl ether, CAS number is 104-68-7, surface tension is 40dyne/cm, and polarizability is 19.86×10 -24cm3.
In practical applications of cleaning agents, metal parts are often coated or plated with a film to ensure the quality of the metal parts when cleaned. It is well known that both alkaline and acidic conditions can have some corrosiveness to the film on the part surface, resulting in reduced part life after cleaning with the cleaning agent. In order to further alleviate the corrosiveness caused by the weak alkaline environment provided by the invention, through a great deal of demonstration and thinking, the applicant discovers that the corrosiveness can be obviously reduced by controlling the surface tension and the polarizability of the added ether compound. The ether compound with the surface tension of 35-43dyne/cm influences the surface tension of the cleaning agent, so that the interface effect between the cleaning agent and oil phase dirt on a film on the surface of a component is changed, and meanwhile, the specific polarizability changes the overall electron cloud distribution, so that micelles in the surfactant are influenced, and the cleaning effect is influenced. Especially when diethylene glycol phenyl ether is used, the corrosion alleviation degree is particularly remarkable, and no cleaning agent residues are generated after cleaning.
As a preferable technical scheme of the invention, the surfactant is a quaternary ammonium salt surfactant.
As a preferred embodiment of the present invention, the quaternary ammonium salt surfactant is selected from one or more of dodecyl trimethyl ammonium chloride, dodecyl dimethyl benzyl ammonium chloride and hexadecyl trimethyl ammonium bromide.
As a preferred technical scheme of the invention, the quaternary ammonium salt surfactant is a mixture of dodecyl trimethyl ammonium chloride and dodecyl dimethyl benzyl ammonium chloride.
As a preferable technical scheme of the invention, the weight ratio of the dodecyl trimethyl ammonium chloride to the dodecyl dimethyl benzyl ammonium chloride is (0.5-1): (1-2).
Preferably, the weight ratio of dodecyl trimethyl ammonium chloride to dodecyl dimethyl benzyl ammonium chloride is (0.7-0.8): (1.5-2).
As a preferred embodiment of the present invention, the weak acid additive is selected from one or more of citric acid, ammonium nitrate, fatty acid, and oleic acid.
Preferably, the weak acid additive is oleic acid.
To further improve the performance of the cleaning agent, the applicant found that the weight ratio is (0.7-0.8): on the premise of dodecyl trimethyl ammonium chloride and dodecyl dimethyl benzyl ammonium chloride in the formula (1.5-2), oleic acid is used as an acidic additive, so that the cleaning force of the cleaning agent is ensured, and the stability of the cleaning agent is improved. The weight ratio is (0.7-0.8): the hydrogen bond donor and the hydrogen bond acceptor on oleic acid and ether compounds provided by the dodecyl trimethyl ammonium chloride and the dodecyl dimethyl benzyl ammonium chloride in the (1.5-2) enhance the stability of the cleaning agent, and can be kept stable at high temperature of 60 ℃ or low temperature of-18 ℃ or high hard water environment containing calcium acetate and magnesium sulfate.
The second aspect of the invention provides a preparation method of a water-based cleaning agent, which comprises the following steps:
S1: mixing a hydroxyl-containing aliphatic compound with water to obtain a first mixture;
S2: adding an ether compound into the first mixture, and stirring to obtain a second mixture;
s3: adding a surfactant into the second mixture, and stirring to obtain a third mixture;
S4: adding weak acid additive into the third mixture, and stirring to obtain the final product.
Compared with the prior art, the invention has the following beneficial effects:
Adding hydroxyl-containing aliphatic compound, ether compound, surfactant and weak acid additive, and controlling the weight ratio of the above substances to be (0.3-0.4): (0.5-0.6): (2.2-2.8): (0.01-0.02), not only can improve the foam in the system, but also can improve the problem that the water-based cleaning agent is easy to accelerate the rusting of the surface of the metal part; the ether compound with the surface tension of 35-43dyne/cm and the polarizability of (17-22) multiplied by 10 -24cm3 weakens the corrosiveness of the weak alkaline environment to the film on the surface of the component, and also causes no cleaning agent residue after cleaning; the weight ratio is (0.7-0.8): on the premise of dodecyl trimethyl ammonium chloride and dodecyl dimethyl benzyl ammonium chloride in the formula (1.5-2), oleic acid is used as an acidic additive, so that the cleaning force of the cleaning agent is ensured, and the stability of the cleaning agent is improved.
The pH of the cleaning agent obtained by the invention is 7-8 (according to GB/T9724-2007 test), the flash point is 102 ℃ (according to GB/T261-2008 test), the incombustible performance is excellent, and the safety is high. Can strongly remove greasy dirt and ensure the glossiness of the surface of the substrate. The cleaning agent is suitable for cleaning the metal-based surface, has the characteristic of harmless cleaning, and is particularly suitable for cleaning the surfaces of an aircraft body, a ship body and various vehicle bodies. In addition, the paint can be applied to surfaces of aircrafts, automobiles and special vehicles, and also can be applied to surfaces of carbon fibers, indoor and outdoor aluminum-plastic plates, ceramic tiles, stones and glass to remove oil dirt, dust and surface oxides.
Drawings
FIG. 1 is a chromatogram of the aqueous-based cleaning agent obtained in example 1 of Performance test 1.
Detailed Description
Examples
The raw materials for preparing the compositions in the examples are all commercially available. Wherein oleic acid is available from Malaysia ACIDCHEM under the model number of oleic acid 750.
Example 1
The raw materials of the water-based cleaning agent comprise, by weight, 0.3 part of hydroxyl-containing aliphatic compound, 0.6 part of ether compound, 2.5 parts of surfactant, 0.02 part of weak acid additive and 96.58 parts of water.
The hydroxyl-containing aliphatic compound is isopropanol.
The ether compound is diethylene glycol phenyl ether, the CAS number is 104-68-7, the surface tension is 40dyne/cm, and the polarizability is 19.86×10 -24cm3.
The surfactant is a quaternary ammonium salt surfactant. The quaternary ammonium salt surfactant is a mixture of dodecyl trimethyl ammonium chloride and dodecyl dimethyl benzyl ammonium chloride. The weight ratio of dodecyl trimethyl ammonium chloride to dodecyl dimethyl benzyl ammonium chloride is 0.8:1.7. the weak acid additive is oleic acid.
The example also provides a preparation method of the water-based cleaning agent, which comprises the following steps:
S1: mixing a hydroxyl-containing aliphatic compound with water to obtain a first mixture;
S2: adding an ether compound into the first mixture, and stirring to obtain a second mixture;
s3: adding a surfactant into the second mixture, and stirring to obtain a third mixture;
S4: adding weak acid additive into the third mixture, and stirring to obtain the final product.
Example 2
This example provides a water-based cleaning agent whose raw materials include, unlike example 1, 0.4 parts of a hydroxyl-containing aliphatic compound, 0.6 parts of an ether compound, 2.3 parts of a surfactant, 0.02 parts of a weak acid additive and 96.68 parts of water.
The present example also provides a method for preparing a water-based cleaning agent, which is the same as that of example 1.
Example 3
This example provides a water-based cleaning agent whose raw materials include, unlike example 1, 0.5 part of a hydroxyl-containing aliphatic compound, 0.7 part of an ether compound, 2.8 parts of a surfactant, 0.05 part of a weak acid additive and 95.95 parts of water.
The present example also provides a method for preparing a water-based cleaning agent, which is the same as that of example 1.
Example 4
This example provides a water-based cleaning agent whose raw materials include, unlike example 1, 0.45 parts of a hydroxyl-containing aliphatic compound, 0.7 parts of an ether compound, 5 parts of a surfactant, 0.05 parts of a weak acid additive and 93.8 parts of water.
The present example also provides a method for preparing a water-based cleaning agent, which is the same as that of example 1.
Example 5
This example provides a water-based cleaning agent whose raw materials include, unlike example 1, 0.3 parts of a hydroxyl-containing aliphatic compound, 0.4 parts of an ether compound, 2.4 parts of a surfactant, 0.03 parts of a weak acid additive and 96.87 parts of water. The ether compound is glycol dibenzyl ether, with CAS number of 622-22-0, surface tension of 39.9dyne/cm, and polarizability of 28.95X10 -24cm3.
The present example also provides a method for preparing a water-based cleaning agent, which is the same as that of example 1.
Example 6
This example provides a water-based cleaning agent whose raw materials include, unlike example 1, 0.2 parts of a hydroxyl-containing aliphatic compound, 0.4 parts of an ether compound, 2.2 parts of a surfactant, 0.01 parts of a weak acid additive and 97.19 parts of water. The ammonium salt surfactant is a mixture of dodecyl trimethyl ammonium chloride and dodecyl dimethyl benzyl ammonium chloride. The weight ratio of dodecyl trimethyl ammonium chloride to dodecyl dimethyl benzyl ammonium chloride is 1.2:1.
The present example also provides a method for preparing a water-based cleaning agent, which is the same as that of example 1.
Example 7
This example provides a water-based cleaning agent, the same as in example 1.
The present example also provides a method for preparing a water-based cleaning agent, which is different from example 1 in that the method comprises the following steps: sequentially adding the hydroxyl-containing aliphatic compound, the ether compound, the surfactant, the weak acid additive and the water, and stirring.
Performance test:
1. and (3) analyzing and testing components of the cleaning agent: the water-based cleaning agent obtained in example 1 was tested by using a gas chromatography mass spectrometer (GC-MS), the spectrum is shown in FIG. 1, and the result shows that the cleaning agent contains isopropanol and diethylene glycol phenyl ether;
2. Physical property parameter test: the cleaning agent obtained in example 1 was tested according to GB/T9724-2007 to obtain a pH of 7.341 and tested according to GB/T261-2008 to obtain a flash point of 102 ℃.
3. Foam performance test: the water-based cleaners obtained in examples 1 to 7 were tested for foam properties according to QB/T2117-1995 and the results are shown in Table 1:
TABLE 1
4. Cleaning power and cleaning efficiency test: the water-based cleaners obtained in examples 1 to 7 were tested for detergency according to QB/T2117-1995, and the water-based cleaners obtained in examples 1 to 7 were tested for cleaning efficiency according to GJB 8622-2015, and the results are shown in Table 2:
TABLE 2
| Examples | Cleaning force (%) | Cleaning efficiency (. Degree. C.) |
| 1 | 93 | 93.7 |
| 2 | 93 | 93.1 |
| 3 | 93 | 93.4 |
| 4 | 82 | 81.1 |
| 5 | 77 | 79.2 |
| 6 | 85 | 86.4 |
| 7 | 90 | 91.5 |
4. Testing the net rust resistance: the aqueous cleaners obtained in example 1 and examples 4 to 7 were tested for rust inhibitive performance according to JB/T4323-2019 and the results are shown in Table 3:
TABLE 3 Table 3
| Examples | No. 45 steel | H62 brass | 2AL2 duralumin |
| 1 | Rust-free | Rust-free | Rust-free |
| 4 | Rust-free | Rust corrosion | Rust-free |
| 5 | Rust-free | Rust corrosion | Rust-free |
| 6 | Rust-free | Rust-free | Rust corrosion |
| 7 | Rust-free | Rust-free | Rust-free |
5. Corrosiveness test: the water-based cleaning agents obtained in examples 1 and 4-7 were tested for corrosion performance according to GJB 8622-2015, the cleaning agent was tested for effect on the surface of the paint layer according to GB/T6739-2006, and whether the hardness of the surface was changed was tested, so that the hardness was unchanged in examples 1 and 7, and the hardness was changed in examples 4-7; the effect of the cleaning agent on the organic glass was tested according to GJB 8622-2015, and the results of example 1, example 6 and example 7 were that the organic glass was loaded for 8 hours without silver streak, and the results of example 4 and example 5 were that the organic glass was loaded for 8 hours with silver streak; the composite carbon fiber material was tested for corrosion (40 ℃.+ -. 2 ℃ C.) according to JB/T4323-2019, and the results are shown in Table 4:
TABLE 4 Table 4
6. Stability test: the water-based cleaners obtained in examples 1 to 7 were tested for hard water stability and low temperature stability according to GJB 8622-2015, and the water-based cleaners obtained in examples 1 to 7 were tested for high temperature stability according to JB/T4323-2019, and the results are shown in Table 5:
TABLE 5
| Examples | Hard water stability | Low temperature stability | High temperature stability |
| 1 | No turbidity, no delamination and no precipitation | Non-layering | No delamination, no precipitate and no floc |
| 2 | No turbidity, no delamination and no precipitation | Non-layering | No delamination, no precipitate and no floc |
| 3 | No turbidity, no delamination and no precipitation | Non-layering | No delamination, no precipitate and no floc |
| 4 | No turbidity, no delamination and precipitation | Non-layering | Layering, separating out and flocculating |
| 5 | No turbidity, delamination and no precipitation | Non-layering | No delamination, precipitation and floc |
| 6 | No turbidity, delamination and no precipitation | Non-layering | Layering, no precipitate and floc |
| 7 | Has turbidity, no delamination and no precipitation | Non-layering | No delamination, no precipitate and no floc |
。
Claims (3)
1. The water-based cleaning agent is characterized in that the water-based cleaning agent comprises a hydroxyl-containing aliphatic compound, an ether compound, a surfactant, a weak acid additive and water; the ether compound is selected from one or more of diethylene glycol phenyl ether and ethylene glycol monobenzyl ether, the surface tension of the ether compound is 35-43 dyne/cm, and the polarization rate is (17-22) multiplied by 10 -24cm3;
Wherein the weight ratio of the hydroxyl-containing aliphatic compound, the ether compound, the surfactant and the weak acid additive is (0.2-0.5): (0.4-0.8): (2-3): (0.01-0.05); the hydroxyl-containing aliphatic compound is selected from one or more of ethanol, n-propanol, isopropanol, n-butanol and tert-butanol; the surfactant is a quaternary ammonium salt surfactant, the quaternary ammonium salt surfactant is a mixture of dodecyl trimethyl ammonium chloride and dodecyl dimethyl benzyl ammonium chloride, and the weight ratio of the dodecyl trimethyl ammonium chloride to the dodecyl dimethyl benzyl ammonium chloride is (0.5-1): (1-2).
2. The water-based cleaning agent according to claim 1, wherein the weak acid additive is one or more selected from the group consisting of citric acid, ammonium nitrate, fatty acid, oleic acid.
3. A method for preparing the water-based cleaning agent according to claim 1, characterized by comprising the following steps:
S1: mixing a hydroxyl-containing aliphatic compound with water to obtain a first mixture;
S2: adding an ether compound into the first mixture, and stirring to obtain a second mixture;
s3: adding a surfactant into the second mixture, and stirring to obtain a third mixture;
S4: adding weak acid additive into the third mixture, and stirring to obtain the final product.
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| US6462014B1 (en) * | 2001-04-09 | 2002-10-08 | Akzo Nobel N.V. | Low foaming/defoaming compositions containing alkoxylated quaternary ammonium compounds |
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