CN114075120A - PH stabilizer, preparation method thereof, cleaning agent for molybdenum-aluminum-molybdenum coated glass and preparation method thereof - Google Patents
PH stabilizer, preparation method thereof, cleaning agent for molybdenum-aluminum-molybdenum coated glass and preparation method thereof Download PDFInfo
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- CN114075120A CN114075120A CN202111260416.3A CN202111260416A CN114075120A CN 114075120 A CN114075120 A CN 114075120A CN 202111260416 A CN202111260416 A CN 202111260416A CN 114075120 A CN114075120 A CN 114075120A
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- molybdenum
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- aluminum
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 127
- 239000011521 glass Substances 0.000 title claims abstract description 111
- DNAUJKZXPLKYLD-UHFFFAOYSA-N alumane;molybdenum Chemical compound [AlH3].[Mo].[Mo] DNAUJKZXPLKYLD-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000003381 stabilizer Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 230000007797 corrosion Effects 0.000 claims abstract description 36
- 238000005260 corrosion Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003960 organic solvent Substances 0.000 claims abstract description 26
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229960001484 edetic acid Drugs 0.000 claims abstract description 23
- 239000006184 cosolvent Substances 0.000 claims abstract description 22
- 239000003112 inhibitor Substances 0.000 claims abstract description 22
- PEHRAPTYHVBOEP-UHFFFAOYSA-N acetamide ethane-1,2-diamine Chemical group CC(N)=O.CC(N)=O.CC(N)=O.CC(N)=O.NCCN PEHRAPTYHVBOEP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 6
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 238000004506 ultrasonic cleaning Methods 0.000 abstract description 20
- 229910021645 metal ion Inorganic materials 0.000 abstract description 14
- 239000006260 foam Substances 0.000 abstract description 8
- 238000009736 wetting Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 61
- 230000000052 comparative effect Effects 0.000 description 35
- 230000000694 effects Effects 0.000 description 27
- 238000012360 testing method Methods 0.000 description 24
- 239000007921 spray Substances 0.000 description 18
- 238000002791 soaking Methods 0.000 description 13
- KGBURRFUTVSDKX-UHFFFAOYSA-N 2-[(2-amino-2-oxoethyl)-[2-[bis(2-amino-2-oxoethyl)amino]ethyl]amino]acetamide Chemical compound NC(=O)CN(CC(N)=O)CCN(CC(N)=O)CC(N)=O KGBURRFUTVSDKX-UHFFFAOYSA-N 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000003921 oil Substances 0.000 description 10
- 235000019198 oils Nutrition 0.000 description 10
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 8
- 125000003368 amide group Chemical group 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000002329 infrared spectrum Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 150000001408 amides Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- ICLYJLBTOGPLMC-KVVVOXFISA-N (z)-octadec-9-enoate;tris(2-hydroxyethyl)azanium Chemical compound OCCN(CCO)CCO.CCCCCCCC\C=C/CCCCCCCC(O)=O ICLYJLBTOGPLMC-KVVVOXFISA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 235000019864 coconut oil Nutrition 0.000 description 2
- 239000003240 coconut oil Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229940117013 triethanolamine oleate Drugs 0.000 description 2
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical group COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 1
- LXAHHHIGZXPRKQ-UHFFFAOYSA-N 5-fluoro-2-methylpyridine Chemical compound CC1=CC=C(F)C=N1 LXAHHHIGZXPRKQ-UHFFFAOYSA-N 0.000 description 1
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 1
- -1 EDTA amide Chemical class 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
- C07C237/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton
- C07C237/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
- C07C237/08—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
-
- 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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
-
- 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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/263—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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3263—Amides or imides
-
- 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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3281—Heterocyclic compounds
-
- 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
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/34—Organic compounds containing sulfur
-
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/18—Glass; Plastics
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
Abstract
The application relates to the field of glass cleaning agents, and discloses a pH stabilizer, a preparation method thereof, a cleaning agent for molybdenum aluminum molybdenum coated glass and a preparation method thereof; one pH stabilizer is ethylenediamine tetraacetic acid amide; the preparation method of the pH stabilizer comprises the following steps: ethylene diamine tetraacetic acid and monoethanolamine in a molar ratio of 1: 4, reacting at constant temperature under the protection of nitrogen to obtain ethylenediamine tetraacetic acid amide; the cleaning agent for the molybdenum-aluminum-molybdenum coated glass comprises the following components in percentage by weight: 1-3% of a corrosion inhibitor; 5-15% of cosolvent; 10-20% of an organic solvent; 10-20% of a pH stabilizer; 42-74% of deionized water. The pH stabilizer can be used for preparing a cleaning agent for molybdenum-aluminum-molybdenum coated glass; the cleaning agent for the molybdenum-aluminum-molybdenum coated glass has the advantages of moderate alkalinity, no corrosion to the coated glass, easy wetting, no metal ion, low foam, easy rinsing, suitability for spraying and ultrasonic cleaning and the like.
Description
Technical Field
The application relates to the field of cleaning agents, in particular to a pH stabilizer, a preparation method thereof, a cleaning agent for molybdenum aluminum molybdenum coated glass and a preparation method thereof.
Background
The molybdenum-aluminum-molybdenum-ITO (Indium Tin Oxide) coated glass is formed by coating ITO conductive films on the front and back surfaces of the glass in a vacuum state by a magnetron sputtering method and then coating molybdenum, aluminum and molybdenum metal film layers on the surface by a floating method. The molybdenum-aluminum-molybdenum metal film is widely applied to capacitive touch screen module materials at present, mainly used as an ITO circuit lead, has low resistance, low expansion coefficient and strong oxidation resistance, and can effectively improve the stability, the reaction speed and the weather resistance of a capacitive screen. The molybdenum aluminum molybdenum ITO coated glass is mainly applied to a touch screen of an electronic product and a protection panel of a DISPLAY.
When the cleaning agent is actually applied to manufacturing of electronic products, the molybdenum-aluminum-molybdenum coated glass needs to be thoroughly cleaned due to the requirement of a manufacturing process or improper storage. The cleaning agent used at present is a strong alkaline cleaning agent, but because aluminum metal in the molybdenum aluminum molybdenum coated glass coating is easy to corrode in the alkaline cleaning agent with the pH value of more than 10, the cleaning agent with moderate alkalinity and good cleaning effect needs to be provided.
Disclosure of Invention
In order to overcome the defects that the conventional glass cleaning agent has high alkalinity and is easy to corrode the coating metal of the molybdenum aluminum molybdenum coated glass, the application provides a pH stabilizer, a preparation method thereof, a cleaning agent for the molybdenum aluminum molybdenum coated glass and a preparation method thereof.
In a first aspect, the present application provides a pH stabilizer, which adopts the following technical scheme:
a pH stabilizer characterized by: is ethylenediamine tetraacetic acid amide, and the chemical structural formula is as follows:
by adopting the technical scheme, the ethylene diamine tetraacetic acid amide has 4 amide groups and 2 amine groups, and because the amide groups are weakly alkaline and the alkalinity of the amine is high, the pH value of the whole aqueous solution of the ethylene diamine tetraacetic acid amide and the amine is reduced and stabilized between 8.0 and 9.0 by combining the amide groups and the amine, so that the ethylene diamine tetraacetic acid amide is suitable for being used as a pH stabilizer of a cleaning agent for molybdenum-aluminum-molybdenum coated glass; the ethylene diamine tetraacetic acid amide also has a chelating effect, can chelate metal ions in water, and reduces the residue of water scale on the surface of a cleaning object.
In a second aspect, the present application provides a method for preparing a pH stabilizer, which adopts the following technical scheme:
a preparation method of a pH stabilizer comprises the following steps:
according to the weight percentage of ethylene diamine tetraacetic acid: monoethanolamine in a molar ratio of 1: weighing and mixing ethylene diamine tetraacetic acid and monoethanolamine, stirring for reaction at constant temperature under the protection of nitrogen, and carrying out condensation reflux dehydration, wherein the reaction temperature is 110-140 ℃;
and reacting for 1.5-3 hours until the acid value of the reactant is unchanged, namely completely reacting to prepare the pH stabilizer, namely the ethylenediamine tetraacetic acid amide.
By adopting the technical scheme, the aqueous solution of the monoethanolamine has strong basicity, amino on the monoethanolamine can react with the ethylenediamine tetraacetic acid to generate amide, and hydroxyl on the monoethanolamine can react with the ethylenediamine tetraacetic acid to generate ester; however, because the reaction activity of the amino group is higher than that of the hydroxyl group, the reverse reaction is less under the condition of higher temperature, and the reaction is carried out in the positive direction under the condition of continuous dehydration, the main product of the reaction of the monoethanolamine and the ethylene diamine tetraacetic acid is the ethylene diamine tetraacetic acid amide. The reaction process is as follows:
optionally, the reaction temperature is 120 ℃ and the reaction time is 2 h.
By adopting the technical scheme, the reaction rate is relatively balanced at the temperature, and the obtained reactant has moderate color along with reaction; the carboxyl of the ethylene diamine tetraacetic acid is gradually reduced in the reaction process, the acid value is reduced, and the acid value of the system is basically unchanged after 2 hours of reaction, which indicates that the reaction is complete.
In a third aspect, the application provides a cleaning agent for molybdenum-aluminum-molybdenum coated glass, which adopts the following technical scheme:
the cleaning agent for the molybdenum-aluminum-molybdenum coated glass comprises the following components in percentage by weight:
1-3% of a corrosion inhibitor;
5-15% of cosolvent;
10-20% of an organic solvent;
10-20% of a pH stabilizer;
42-74% of deionized water;
the pH stabilizer is ethylenediamine tetraacetic acid amide.
By adopting the technical scheme, the prepared cleaning agent for the molybdenum-aluminum-molybdenum coated glass is clear and transparent in appearance and is not layered, and the pH value of the aqueous solution of the cleaning agent is maintained between 8.0 and 9.0; wherein, the cosolvent and the deionized water are used as solvents to promote the full fusion of all the components and maintain the overall stability of the cleaning agent; the organic solvent enhances the permeability of the cleaning agent so as to promote the melting and falling of oily stains, improve the cleaning effect and generate no foam; the corrosion inhibitor protects molybdenum aluminum molybdenum coated metal by forming an adsorption film layer on the molybdenum aluminum molybdenum coated glass; the pH value of the ethylenediamine tetraacetic acid amide adjusting cleaning agent is maintained between 8.0 and 9.0, so that the alkaline cleaning strength is ensured, and the risk of corrosion of aluminum metal due to overhigh pH value is reduced; in addition, the ethylene diamine tetraacetic acid amide also has a chelating effect, can soften water scale and reduce other metal ions remained on the surface of the coated glass after cleaning; and all components do not contain metal ions, so that the risk of introducing the metal ions into the cleaning agent is reduced.
Optionally, the corrosion inhibitor is one of BTA, MBT and TTA;
according to the technical scheme, one of BTA, MBT and TTA is selected as the corrosion inhibitor, so that a physical and chemical mixed adsorption film layer is formed when the glass is washed by the cleaning agent, the molybdenum-aluminum-molybdenum film layer in the glass is protected from being corroded, the corrosion inhibitor can be selected according to the production condition, and the production convenience is improved.
Optionally, the cosolvent is one or a mixture of two of the following substances: ethanol, propylene glycol, glycerol; through the technical scheme, one or two of ethanol, propylene glycol and glycerol are selected as the cosolvent, so that the mutual fusion of various components can be promoted, the substances are low in toxicity and easy to volatilize, and the toxicity and the residue degree of the cleaning agent can be reduced.
Optionally, the organic solvent is one or a mixture of two of the following substances: dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, propylene glycol methyl ether, propylene glycol n-butyl ether.
By adopting the technical scheme, one or two of dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, propylene glycol methyl ether and propylene glycol n-butyl ether are selected as organic solvents, and the substances have good solubility and certain volatility, are low in toxicity, can dissolve oily dirt when cleaning molybdenum aluminum molybdenum coated glass so as to improve the cleaning effect, and are low in residue.
In a fourth aspect, the application provides a preparation method of a cleaning agent for molybdenum-aluminum-molybdenum coated glass, which adopts the following technical scheme:
a preparation method of a cleaning agent for molybdenum aluminum molybdenum coated glass comprises the steps of mixing a corrosion inhibitor, a cosolvent, an organic solvent, a pH regulator and deionized water according to a ratio, and stirring until the mixture is uniform and transparent, so as to obtain the cleaning agent for the molybdenum aluminum molybdenum coated glass.
By adopting the technical scheme, the preparation method is simple and easy to obtain, has lower processing cost and is suitable for industrial mass production.
In summary, the present application has the following beneficial effects:
1. the pH stabilizer is prepared by synthesizing ethylenediamine tetraacetic acid and monoethanolamine, the synthesized ethylenediamine tetraacetic acid amide molecules have 4 amide groups, and the amide groups have alkalescence, so that the pH value of an ethylenediamine tetraacetic acid amide aqueous solution can be integrally reduced, a relatively stable pH value range is maintained, and the pH stabilizer is suitable for adjusting the pH value of a cleaning agent; and then N atoms are all coordination atoms, so that ethylene diamine tetraacetic acid amide has a chelating effect and can chelate metal ions in water, so that the water is softened and scale deposit is prevented from remaining on the surface of the molybdenum-aluminum-molybdenum coated glass;
2. according to the cleaning agent for the molybdenum aluminum molybdenum coated glass, the ethylene diamine tetraacetic acid amide is used as the pH stabilizer of the cleaning agent for the molybdenum aluminum molybdenum coated glass, so that the pH value of the cleaning agent for the molybdenum aluminum molybdenum coated glass can be adjusted to be maintained at the level of 8.0-9.0, an alkaline environment is provided, and the corrosion effect of the cleaning agent for the molybdenum aluminum molybdenum coated glass on coated metals in the molybdenum aluminum molybdenum coated glass is reduced;
3. according to the cleaning agent for the molybdenum-aluminum-molybdenum coated glass, the cosolvent and the organic solvent are matched with each other, so that the cleaning agent has good permeability and synergistic effect, has good emulsifying and dispersing performance on dust particles and oily dirt on the surface of the coated glass, and enables the dirt to be easily dissolved in water or the solvent, thereby achieving the cleaning effect; compared with the common surface treatment agent, the cleaning agent for the molybdenum-aluminum-molybdenum coated glass has the advantages that the cleaning agent has low foam and easy rinsing effect, and can be applied to spray cleaning;
4. the cleaning agent for the molybdenum-aluminum-molybdenum coated glass has good wettability, and the contact angle of the cleaned coated glass is less than 20 degrees;
5. the cleaning agent for the molybdenum-aluminum-molybdenum coated glass does not contain elements such as sulfur, phosphorus, silicon and the like, and has the advantages of no peculiar smell, low toxicity, no corrosiveness, low component cost, convenience in transportation and storage and low cleaning cost;
6. the cleaning agent for the molybdenum aluminum molybdenum coated glass does not contain metal ions, and new metal ions cannot be introduced into the cleaning glass in the cleaning process.
Drawings
FIG. 1 is an infrared spectrum of EDTA.
FIG. 2 is an IR spectrum of the reaction product of ethylenediaminetetraacetic acid and monoethanolamine of example 1 of this application.
Detailed Description
The present application is described in further detail below with reference to fig. 1-2, tables 2-3 and examples. The special description is as follows: the following examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer, and the starting materials used in the following examples were obtained from ordinary commercial sources unless otherwise specified.
| Raw materials | Rank of | Raw materials | Rank of |
| Ethylenediaminetetraacetic acid | Analytical grade | Propylene glycol | Analytical grade |
| Monoethanolamine | Analytical grade | Glycerol | Analytical grade |
| Nitrogen gas | The purity is 99.99 percent | Dipropylene glycol methyl ether | Analytical grade |
| BTA | Analytical grade | Dipropylene glycol dimethyl ether | Analytical grade |
| MBT | Analytical grade | Propylene glycol methyl ether | Analytical grade |
| TTA | Analytical grade | Propylene glycol n-butyl ether | Analytical grade |
| Ethanol | Analytical grade | / | / |
Examples of stabilizers
Example 1
Firstly, pouring 20g of monoethanolamine into a round-bottom flask, and introducing nitrogen to protect the monoethanolamine after a distillation device is assembled; heating the oil bath pot, and after the temperature of the oil bath pot is constant at 120 ℃, according to the molar ratio of the ethylene diamine tetraacetic acid to the monoethanolamine of 1: 4, taking 292g of ethylenediamine tetraacetic acid and 232g of monoethanolamine, slowly adding the ethylenediamine tetraacetic acid and the monoethanolamine into a round-bottom flask containing the monoethanolamine, and stirring for 2 hours at a stirring speed of 200 r/min;
turning on a vacuum pump, and receiving the condensed and recovered water by using a receiving bottle;
during the reaction, detecting the acidity of the reaction solution of the ethylenediamine tetraacetic acid and the monoethanolamine every 30 minutes: 1 g of the reaction solution was prepared as a 1% deionized water solution, and was titrated with 0.1mol/L of a standard acid. When the volume of the consumed standard acid did not increase (kept at a certain value), it indicated that the acid value of the reactant was unchanged and the reaction was complete.
Taking out the product in the round-bottom flask, namely the pH stabilizer, namely ethylene diamine tetraacetic acid amide, wherein the chemical structural formula of the product is as follows:
example 2
The preparation method of this example is identical to that of example 1, except that the reaction temperature is 110 ℃ and the stirring time is 3 h.
Example 3
The preparation of example 3 was exactly the same as in preparation 1, except that the reaction temperature was 130 ℃ and the stirring time was 2.5 hours.
Example 4
The preparation of example 4 was exactly the same as in preparation 1, except that the reaction temperature was 140 ℃ and the stirring time was 1.5 hours.
Example 5
The cleaning agent for the molybdenum-aluminum-molybdenum coated glass comprises the following components in parts by weight: 10g of corrosion inhibitor, 50g of cosolvent, 100g of organic solvent and 100g of pH stabilizer, adding deionized water to supplement the balance to 1000g, stirring and mixing until the mixture is uniform and transparent, and thus obtaining the cleaning agent for molybdenum aluminum molybdenum coated glass. In this example, BTA was used as a corrosion inhibitor, ethanol was used as a cosolvent, dipropylene glycol methyl ether was used as an organic solvent, and ethylenediamine tetraacetic acid amide prepared in example 1 was used as a pH stabilizer.
Example 6
The cleaning agent for the molybdenum-aluminum-molybdenum coated glass comprises the following components in parts by weight: 20g of corrosion inhibitor, 100g of cosolvent, 150g of organic solvent and 150g of pH stabilizer, adding deionized water to supplement the balance to 1000g, stirring and mixing until the mixture is uniform and transparent, and thus obtaining the cleaning agent for molybdenum aluminum molybdenum coated glass. In this example, BT was used as a corrosion inhibitor, ethanol was used as a cosolvent, dipropylene glycol methyl ether was used as an organic solvent, and ethylenediamine tetraacetic acid amide prepared in example 1 was used as a pH stabilizer.
Example 7
The cleaning agent for the molybdenum-aluminum-molybdenum coated glass comprises the following components in parts by weight: 30g of corrosion inhibitor, 150g of cosolvent, 200g of organic solvent and 200g of pH stabilizer, adding deionized water to supplement the balance to 1000g, stirring and mixing until the mixture is uniform and transparent, and thus obtaining the cleaning agent for molybdenum aluminum molybdenum coated glass. In this example, BTA was used as a corrosion inhibitor, ethanol was used as a cosolvent, dipropylene glycol methyl ether was used as an organic solvent, and ethylenediamine tetraacetic acid amide prepared in example 1 was used as a pH stabilizer.
Example 8
The preparation and composition and content of example 8 are the same as example 7, except that propylene glycol is used as the co-solvent.
Example 9
The preparation and composition and content of example 9 are the same as those of example 7, except that glycerol is used as the cosolvent.
Example 10
The preparation method and components and contents of example 10 were the same as those of example 7 except that dipropylene glycol dimethyl ether was used as the organic solvent.
Example 11
The preparation and composition and content of example 11 were the same as those of example 7 except that propylene glycol methyl ether was used as the organic solvent.
Example 12
The preparation and composition and content of example 12 were the same as those of example 7 except that propylene glycol n-butyl ether was used as the organic solvent.
Example 13
Example 13 was prepared using the same procedure and components and amounts as example 7, except that MBT was used as the corrosion inhibitor.
Example 14
Example 14 was prepared using the same procedure and component levels as example 7, except that TTA was used as the corrosion inhibitor.
Example 15
Example 15 was prepared in the same manner and with the same contents of components as in example 7, except that ethylenediamine tetraacetic acid amide prepared in example 2 was used as the pH stabilizer.
Example 16
Example 16 was prepared in the same manner and with the same content of components as in example 7, except that ethylenediamine tetraacetic acid amide prepared in example 3 was used as the pH stabilizer.
Example 17
Example 17 was prepared in the same manner and with the same contents of components as in example 7, except that ethylenediamine tetraacetic acid amide prepared in example 4 was used as the pH stabilizer.
Comparative example
Comparative example 1
Weighing 50g of fatty alcohol-polyoxyethylene ether (AEO-9), 80g of coconut oil alkanolamide (6501), 20g of triethanolamine oleate, 80g of monoethanolamine, 10g of benzotriazole, 10g of disodium EDTA and 750g of deionized water according to weight percentage, mixing, and stirring until the mixture is uniform and transparent, thereby obtaining the cleaning agent for molybdenum aluminum molybdenum coated glass.
Comparative example 2
Comparative example 2 was prepared in the same manner and with the same contents of components as in example 7, except that deionized water was used in place of ethylenediamine tetraacetic acid amide.
Comparative example 3
Comparative example 3 was prepared using the same procedure and component content as in example 7, except that BTA was replaced with deionized water.
Comparative example 4
Comparative example 4 was prepared in the same manner and with the same contents of components as in example 7, except that deionized water was used instead of ethanol.
Comparative example 5
Comparative example 5 was prepared in the same manner and with the same content of components as in example 7 except that di-ionized water was used instead of dipropylene glycol methyl ether.
Performance test
Infrared spectrum testing method
Potassium bromide (KBr) tableting was used. 1 mg of the reaction product prepared from ethylenediaminetetraacetic acid and monoethanolamine of example 1 and 100 mg of spectrally pure potassium bromide crushed crystals were ground and mixed uniformly in an agate mortar, the mixed powder was pressed into round sheets by a tablet press, and the round sheets were placed in a sample holder of an infrared spectrometer for transmission testing.
1 mg of ethylene diamine tetraacetic acid powder and 100 mg of spectrally pure potassium bromide crushed crystals are ground and mixed uniformly in an agate mortar, the mixed powder is pressed into a circular sheet by a tablet machine, and the circular sheet is placed in a sample rack of an infrared spectrometer for transmission test and used as comparison.
The tabletting test was performed under the same conditions with pure potassium bromide without any sample added as spectral background.
The infrared spectrogram of the reaction product of ethylenediaminetetraacetic acid and ethylenediaminetetraacetic acid with monoethanolamine is shown in fig. 1-2.
pH Range testing of stabilizers
The pH stabilizer aqueous solutions of 1%, 3%, 5%, 10%, 15% and 20% by mass of examples 1 to 4 and pure water were prepared, and the corresponding pH values were measured with a pH meter (model: PHS-3E, manufacturer: Shanghai apparatus, electro-scientific instruments, Ltd.), to obtain the results shown in Table 1.
Table 1 examples 1-4 pH values of aqueous solutions of different concentrations of pH stabilizers
pH value test of cleaning agent for molybdenum-aluminum-molybdenum coated glass
The cleaning agent for molybdenum aluminum molybdenum coated glass prepared in examples 5 to 17 and comparative examples 1 to 5 and deionized water were mixed to prepare an aqueous solution with a mass fraction of 5%, and a pH meter was used to test the corresponding pH value, to obtain the results shown in table 2.
Cleaning Performance test
The cleaning agents for molybdenum aluminum molybdenum coated glass prepared in examples 5-17 and comparative examples 1-5 were used to perform ultrasonic cleaning, spray cleaning and immersion tests on the molybdenum aluminum molybdenum coated glass; evaluating the cleaning capacity of the cleaning agent by observing the foaming condition and the wetting condition during cleaning and the residual conditions of dust and oil stain after cleaning; and evaluating the corrosivity of the cleaning agent pair through the observed corrosion condition after soaking. Three pieces of molybdenum aluminum molybdenum coated glass were cleaned with each cleaning agent and the average effect was recorded.
The ultrasonic cleaning method comprises the following steps:
(1) diluting the cleaning agent, namely preparing a cleaning agent diluent for the molybdenum-aluminum-molybdenum coated glass with the mass concentration of 5% by using deionized water;
(2) the cleaning equipment is a VGT-910 OSHA glass ultrasonic cleaning machine;
(3) the cleaning process comprises the steps of setting the cleaning temperature to be 50 ℃, setting the ultrasonic frequency to be 45KHz, pouring the prepared molybdenum aluminum molybdenum coated glass into ultrasonic cleaning equipment by using a cleaning agent, then putting the molybdenum aluminum molybdenum coated glass into the ultrasonic cleaning equipment, cleaning for 5 minutes, then taking out the molybdenum aluminum molybdenum coated glass, rinsing for 2 times by using deionized water, and testing the cleaning effect after drying.
The spray cleaning method comprises the following steps:
(1) diluting the cleaning agent, namely preparing a cleaning agent diluent for the molybdenum-aluminum-molybdenum coated glass with the mass concentration of 5% by using deionized water;
(2) the cleaning equipment is a circulating spraying system;
(3) and the cleaning process comprises the steps of presetting the spray cleaning temperature to be 50 ℃, loading the prepared cleaning agent for the molybdenum-aluminum-molybdenum coated glass into a spray system, spraying and cleaning for 2 minutes, rinsing with deionized water after cleaning, and testing the cleaning effect after drying.
The soaking test method comprises the following steps:
(1) preparing a cleaning agent diluent for the molybdenum-aluminum-molybdenum coated glass with the mass concentration of 5% by using deionized water; setting the cleaning temperature to 40 ℃, pouring the prepared molybdenum-aluminum-molybdenum coated glass into a cleaning tank by using a cleaning agent diluent, and then putting the coated glass into the cleaning tank to soak for 2 hours.
Collecting the cleaning effect and the corrosion condition:
(1) observing the foam residual condition on the surface of the molybdenum-aluminum-molybdenum coated glass after ultrasonic treatment and spraying;
(2) detecting the residual conditions of dust particles and oil stains on the surface of the molybdenum-aluminum-molybdenum coated glass by using a 90-time optical microscope;
(3) detecting the contact angle of the surface of the cleaned molybdenum-aluminum-molybdenum glass by using a contact angle tester;
(4) and (4) observing the corrosion condition of the molybdenum-aluminum-molybdenum glass after soaking by using an SEM (scanning electron microscope) under the magnification of 5 thousand and 3 ten thousand times.
The test results are shown in tables 2-3:
TABLE 2 pH, ultrasonic cleaning and immersion test results for examples 5-17 and comparative examples 1-5
TABLE 3 spray cleaning test results for examples 5-17, comparative examples 1-5
And (4) analyzing results:
the cleaning agent for the molybdenum-aluminum-molybdenum coated glass is hereinafter referred to as a cleaning agent.
Referring to FIG. 1, FIG. 1 shows the infrared spectrum of EDTA at 3015.86cm-1Is a methylene stretching vibration absorption peak at 1669.57cm-1The vibration absorption peak at-COOH.
Referring to FIG. 2, FIG. 2 shows the IR spectrum of the reaction product of ethylenediaminetetraacetic acid and monoethanolamine at 2898.86cm-1-3173.56cm-1A strong and wide absorption peak appears at the position of the absorption peak, which is the characteristic absorption peak of methylene stretching vibration; at 1667.23cm-1Characteristic absorption peak at carbonyl corresponding to amide I (C ═ O stretching vibration) of 1611.77cm-1The peak is the characteristic peak of amide II (N-H bending vibration) at 1667.23cm-1，1611.77cm-1Two new characteristic absorption peaks appear at the position, which are characteristic absorption peaks of carbonyl stretching vibration in amido bond and N-H bending vibration of amide.
Referring to FIG. 1-2, the formation of ethylenediaminetetraacetic acid amide was demonstrated by the difference in the infrared spectra of ethylenediaminetetraacetic acid and the reaction product of ethylenediaminetetraacetic acid and monoethanolamine.
As can be seen from the combination of examples 1 to 4 and Table 1, the pH value of the 1 to 20% EDTA amide aqueous solution is between 8.5 and 9.0, indicating that the alkalinity is moderate and stable within a certain range.
Referring to tables 2 and 3, the results of the ultrasonic cleaning, spray cleaning and immersion test of the cleaning agent prepared in comparative examples 5 to 7; with the increase of the concentration of the ethylenediamine tetraacetic acid amide, the pH value of the cleaning agent gradually increases but is stabilized in the range of 8.0-9.0; along with the increase of the concentration of the organic solvent, the contact angles of the cleaned molybdenum aluminum molybdenum coated glass are gradually reduced and are all less than 20 degrees, which shows that the infiltration wetting capacity of the cleaning agent on the surface of the molybdenum aluminum molybdenum coated glass is improved along with the increase of the concentration of the organic solvent. The cleaning agent prepared under the three concentration gradients is not subjected to foam generation no matter the cleaning agent is used for ultrasonic cleaning or spray cleaning, and after 2 hours of soaking treatment, no corrosion phenomenon appears on the surface of the molybdenum-aluminum-molybdenum coated glass. The cleaning agent prepared in the examples 5-7 has moderate alkalinity and is not easy to corrode molybdenum aluminum molybdenum coating metal; the organic solvent is used for replacing the surfactant, so that the detergent has good penetrating and decontaminating capability, is not easy to foam and is convenient for subsequent rinsing; the components do not contain metal ions, and new metal ions cannot be introduced in the cleaning process, so that the hidden danger of metal ion residue is reduced, and the subsequent processing procedures are facilitated.
Referring to tables 2 and 3, the cleaning agents prepared from different cosolvents are used in examples 7 to 9, and ultrasonic cleaning, spray cleaning and immersion tests are performed on the molybdenum aluminum molybdenum coated glass, and the results show that the three cleaning agents have no significant difference in cleaning, decontamination and corrosion effects, which indicates that ethanol, propylene glycol and glycerol can be used as the cosolvents of the cleaning agents for the molybdenum aluminum molybdenum coated glass.
Referring to tables 2 and 3, the cleaning agents prepared by different organic solvents are adopted in examples 7, 10, 11 and 12, and ultrasonic cleaning, spray cleaning and soaking tests are carried out on the molybdenum-aluminum-molybdenum coated glass, and the results show that the four cleaning agents have no significant difference in cleaning and decontamination effects and corrosion effects; the dipropylene glycol methyl ether, the dipropylene glycol dimethyl ether, the propylene glycol methyl ether and the propylene glycol n-butyl ether can be used as organic solvents of the cleaning agent for the molybdenum aluminum molybdenum coated glass.
Referring to tables 2 and 3, in examples 7, 13 and 14, soaking tests were performed on the molybdenum aluminum molybdenum coated glass by using different cleaning agents prepared from different corrosion inhibitors, and the results show that the three cleaning agents have no significant difference in corrosion prevention effect, which indicates that BTA, MTA and TTA can be used as corrosion inhibitors of the cleaning agent for the molybdenum aluminum molybdenum coated glass.
Referring to tables 2 and 3, in the cleaning agents prepared in examples 7, 15, 16 and 17 by using ethylenediamine tetraacetic acid amide obtained under different conditions as a pH stabilizer, the transparency of the cleaning agents is gradually reduced when four cleaning agents are observed, which indicates that the transparency of the cleaning agent is affected as a whole when the temperature is higher or the reaction time is longer; but the cleaning effect and the corrosion effect of the four cleaning agents on the molybdenum-aluminum-molybdenum coated glass have no significant difference.
Referring to tables 2 and 3, the cleaning agents of example 7 and comparative example 1 have good dust cleaning capability and oil stain cleaning effect on the ultrasonic cleaning, soaking test and spray cleaning conditions of the molybdenum aluminum molybdenum glass coated glass by the cleaning agents of comparative example 7 and comparative example 1.
The cleaning agent of comparative example 1 added monoethanolamine with strong basicity as an emulsifier, and the pH of the cleaning agent dilute solution was 10.5, and the cleaning agent was a strong basicity cleaning agent. The cleaning agent of comparative example 1 added fatty alcohol polyoxyethylene ether (AEO-9), coconut oil alkanolamide (6501) and triethanolamine oleate as surfactants, so that the cleaning agent had higher permeability, thereby improving its dirt-removing ability, but generated more foam in the ultrasonic cleaning or spray cleaning process, not beneficial to the subsequent rinsing, and easily resulted in cleaning agent residue. The cleaning agent of comparative example 1, in which EDTA-disodium was added as a metal chelating agent, introduces new metal sodium ions during the cleaning process, which easily causes the risk of subsequent processing. After 2 hours of soaking test, a large number of net-shaped holes are found on the surface of the molybdenum aluminum molybdenum coated glass, which shows that the cleaning agent prepared in the comparative example 1 has a corrosion effect on molybdenum aluminum molybdenum coated metal due to high alkalinity.
The cleaning agent of the embodiment 7 contains neither metal ions nor surfactants, but has high penetrating and wetting capacity and no foam, so that the subsequent rinsing is facilitated; the pH value of the diluted solution is 8.91, the alkalinity is moderate, and the molybdenum aluminum molybdenum coating metal is not easy to corrode.
Referring to tables 2 and 3, the ultrasonic cleaning, soaking test and spray cleaning of the molybdenum aluminum molybdenum glass coated glass by the cleaning agent prepared in comparative example 7 and comparative example 2 are carried out. The cleaning agent of the comparative example 2 has poor cleaning capability on oil stains whether in ultrasonic cleaning or spray cleaning, because the cleaning agent of the comparative example 2 is not added with ethylenediamine tetraacetic acid amide, the pH value of a dilute solution of the cleaning agent is 7.51 and is neutral; indicating that the detergent has reduced detergency under low alkalinity conditions.
Referring to tables 2 and 3, the ultrasonic cleaning, soaking test and spray cleaning of the molybdenum aluminum molybdenum glass coated glass by the cleaning agent prepared in comparative example 7 and 3 are carried out. The cleaning effect of the cleaning agent in the comparative example 3 on the molybdenum aluminum molybdenum glass coated glass is not obviously different from that of the cleaning agent in the example 7, but after a soaking test, a small amount of meshes appear on the surface of the molybdenum aluminum molybdenum glass coated glass, which indicates that the surface is lack of protection of the corrosion inhibitor, and the cleaning agent still has a certain corrosion effect on the molybdenum aluminum molybdenum glass coated metal.
Referring to tables 2 and 3, the ultrasonic cleaning, soaking test and spray cleaning of the molybdenum aluminum molybdenum glass coated glass are performed by the cleaning agent prepared in comparative example 7 and comparative example 4. The cleaning effect of the cleaning agent in the comparative example 4 on the molybdenum aluminum molybdenum glass coated glass is poorer than that of the cleaning agent in the example 7, which shows that the cleaning agent lack of the cosolvent has poorer fusion of the components, and the functions of the components cannot be exerted, so that the integral cleaning effect of the cleaning agent is influenced.
Referring to tables 2 and 3, the ultrasonic cleaning, soaking test and spray cleaning of the molybdenum aluminum molybdenum glass coated glass by the cleaning agent prepared in comparative example 7 and comparative example 5 are carried out. After the cleaning agent of the comparative example 5 is used for ultrasonic cleaning and spray cleaning, the contact angles of the molybdenum-aluminum-molybdenum coated glass are respectively 31.3 degrees and 35.4 degrees, which indicates that the cleaning agent of the comparative example 5 has poor wettability; oil stains are left after cleaning, which indicates that the organic solvent influences the wetting degree and the oil stain removing capacity of the cleaning agent on the coated glass, and the cleaning of dust is influenced due to incomplete oil stain cleaning.
The application relates to a cleaning principle of a cleaning agent for molybdenum-aluminum-molybdenum coated glass, which comprises the following steps: the cosolvent promotes the solubility of the cleaning agent and improves the phase solubility of each component, so that the cleaning agent has clear and stable appearance and is not layered; the pH value stabilizer, namely ethylene diamine tetraacetic acid amide, contains 4 amide groups, and provides stable alkaline conditions for the cleaning agent; the corrosion inhibitor reduces the corrosion of the coated metal by the cleaning agent by forming a physical and chemical mixed adsorption film layer on the molybdenum-aluminum-molybdenum coated glass; the organic solvent enables the cleaning agent to have higher osmotic wetting capacity and can realize the effect of removing oil stain without bubbles; the amine atom of the ethylene diamine tetraacetic acid amide can be used as a coordination atom for chelating metal ions in water so as to reduce the condition of residual scale after the molybdenum-aluminum-molybdenum coated glass is cleaned.
To sum up, the cleaning agent for the molybdenum aluminum molybdenum coated glass has the characteristics of moderate alkalinity, no metal ions, no corrosion damage to the surface of the molybdenum aluminum molybdenum coated glass, good stability and wettability, strong dirt-removing capability, no bubbles, easy rinsing and the like, and is suitable for spraying and ultrasonic cleaning.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. A pH stabilizer characterized by: is ethylenediamine tetraacetic acid amide, and the chemical structural formula is as follows:
2. a method for preparing a pH stabilizer is characterized by comprising the following steps: the method comprises the following steps:
according to the weight percentage of ethylene diamine tetraacetic acid: monoethanolamine in a molar ratio of 1: weighing and mixing ethylene diamine tetraacetic acid and monoethanolamine, stirring for reaction at constant temperature under the protection of nitrogen, and carrying out condensation reflux dehydration, wherein the reaction temperature is 110-140 ℃;
and reacting for 1.5-3 h until the acid value of the reactant is unchanged, namely completely reacting to prepare the pH stabilizer, namely the ethylenediamine tetraacetic acid amide.
3. The method for preparing a pH stabilizer according to claim 2, characterized in that: the reaction temperature is 120 ℃, and the reaction time is 2 h.
4. The cleaning agent for the molybdenum-aluminum-molybdenum coated glass is characterized by comprising the following components in parts by weight: the paint consists of the following components in percentage by weight:
1-3% of a corrosion inhibitor;
5-15% of cosolvent;
10-20% of an organic solvent;
10-20% of a pH stabilizer;
42-74% of deionized water;
the pH stabilizer is ethylenediamine tetraacetic acid amide.
5. The cleaning agent for molybdenum aluminum molybdenum coated glass according to claim 4, which is characterized in that:
the corrosion inhibitor is one of BTA, MBT and TTA.
6. The cleaning agent for molybdenum aluminum molybdenum coated glass according to claim 4, which is characterized in that:
the cosolvent is one or a mixture of two of the following substances: ethanol, propylene glycol, and glycerol.
7. The cleaning agent for molybdenum aluminum molybdenum coated glass according to claim 4, which is characterized in that:
the organic solvent is one or a mixture of two of the following substances: dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, propylene glycol methyl ether, propylene glycol n-butyl ether.
8. The preparation method of the cleaning agent for molybdenum aluminum molybdenum coated glass as claimed in any one of claims 4 to 7, which is characterized in that: and mixing the corrosion inhibitor, the cosolvent, the organic solvent, the pH stabilizer and the deionized water according to the proportion, and stirring until the mixture is uniform and transparent to obtain the cleaning agent for the molybdenum-aluminum-molybdenum coated glass.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114075120B (en) | 2024-01-23 |
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