CN117143659B - High-lubrication low-residue leveling liquid for cold-rolled sheet and preparation method thereof - Google Patents
High-lubrication low-residue leveling liquid for cold-rolled sheet and preparation method thereof Download PDFInfo
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- CN117143659B CN117143659B CN202311092323.3A CN202311092323A CN117143659B CN 117143659 B CN117143659 B CN 117143659B CN 202311092323 A CN202311092323 A CN 202311092323A CN 117143659 B CN117143659 B CN 117143659B
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- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 238000005461 lubrication Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 239000000314 lubricant Substances 0.000 claims abstract description 20
- 239000013556 antirust agent Substances 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 16
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000005063 solubilization Methods 0.000 claims abstract description 6
- 230000007928 solubilization Effects 0.000 claims abstract description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical group CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 39
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 31
- 239000002202 Polyethylene glycol Substances 0.000 claims description 22
- 229920001223 polyethylene glycol Polymers 0.000 claims description 22
- MUHFRORXWCGZGE-KTKRTIGZSA-N 2-hydroxyethyl (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCO MUHFRORXWCGZGE-KTKRTIGZSA-N 0.000 claims description 18
- 229940095098 glycol oleate Drugs 0.000 claims description 15
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 13
- 229920000570 polyether Polymers 0.000 claims description 13
- 230000003381 solubilizing effect Effects 0.000 claims description 11
- -1 polyoxyethylene Polymers 0.000 claims description 8
- INACQIDRHZTYST-UHFFFAOYSA-N 2-aminohexanoic acid;1,3,5-triazine Chemical compound C1=NC=NC=N1.CCCCC(N)C(O)=O INACQIDRHZTYST-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- GYFBKUFUJKHFLZ-UHFFFAOYSA-N dioctadecyl hexanedioate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCCCCCCCCCCCC GYFBKUFUJKHFLZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 229920001451 polypropylene glycol Polymers 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 239000010960 cold rolled steel Substances 0.000 abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000005097 cold rolling Methods 0.000 abstract description 2
- 210000002189 macula lutea Anatomy 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000006065 biodegradation reaction Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 11
- 125000005599 alkyl carboxylate group Chemical group 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 239000002390 adhesive tape Substances 0.000 description 8
- 239000003607 modifier Substances 0.000 description 8
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 6
- 238000002310 reflectometry Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 150000003628 tricarboxylic acids Chemical class 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229940075507 glyceryl monostearate Drugs 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical compound NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KGVYSMPUYYLGOM-UHFFFAOYSA-N triazine-4,5,6-tricarboxylic acid Chemical compound OC(=O)C1=NN=NC(C(O)=O)=C1C(O)=O KGVYSMPUYYLGOM-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
- C10M2215/222—Triazines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a high-lubrication low-residue leveling liquid for a cold-rolled sheet, which comprises the following preparation raw materials in percentage by weight: 5-10% of antirust agent, 1-5% of film forming agent, 10-20% of lubricant, 1-5% of acid-base regulator, 5-20% of solubilization dispersing agent and the balance of deionized water. The invention can improve the rust resistance requirement of the cold-rolled steel sheet in the storage, transportation and process, and avoid the problems of oxidation corrosion of macula lutea and the like after the cold-rolled steel sheet flattening liquid is treated. And the flattening liquid can be applied to flattening units with the requirement of 10-18% of high deformation under the concentration condition of 5% of mass-volume ratio, so that the requirement of the flattening liquid units on high deformation is realized, the pressure of the cold-rolled sheet cold-rolling process is reduced, and the production efficiency of the cold-rolled sheet is improved. The invention has the advantages of no phosphorus, low nitrogen, environmental protection, easy biodegradation, reduced wastewater treatment cost, capability of being mutually dissolved with water in any proportion at normal temperature and convenient application.
Description
Technical Field
The invention relates to a high-lubrication low-residue leveling liquid for a cold-rolled sheet and a preparation method thereof, and relates to C10M, in particular to the field of treatment liquid without mineral oil or fatty oil.
Background
The cold-rolled steel plate comprises a leveling procedure in the production process, wherein the leveling is a process of slightly thinning and pressing the steel plate, so that the yield platform of the steel plate after recrystallization annealing is eliminated, the flatness of the steel plate is improved, and a uniform surface is obtained. With the improvement of the quality of the steel plate, water-soluble or oil-soluble flatting agents are increasingly adopted for spraying, so that the rust-proof capacity and the flatting effect are improved. The existing leveling liquid is mainly divided into inorganic leveling liquid containing phosphorus and nitrate and amine organic leveling liquid, the inorganic leveling liquid containing phosphorus and nitrate has great harm to the environment, the post-treatment cost of wastewater is high, and the inorganic leveling liquid has a certain harm to the body of workers in the use process. The amine organic leveling liquid has poor antirust effect, needs to use higher concentration and has higher cost. And for flat processing with high deflection requirements, higher lubrication properties are required while low residuals avoid affecting the next step. The existing leveling liquid can not meet the requirements of high lubrication and low residue at the same time.
The Chinese patent CN 103205308A discloses a wet leveling liquid composition, which is prepared by compounding ternary carboxylic acid ammonium salt and polyphosphoric acid ammonium salt according to the weight percentage of 1:3-5:1 as a composite antirust agent, can replace the traditional nitrite-containing wet leveling agent, is environment-friendly, has excellent antirust performance, and has the environment-friendly pressure of phosphorus element. Chinese patent No. 114790408A discloses a leveling liquid for cold-rolled steel plates, which is compounded to form the leveling liquid with comprehensive functions of lubrication, cleaning, rust resistance and the like through scientific proportion between a metal chelating agent and a lubricant, and can be spread and wetted on the surface by lubricating oil and emulsion, so that the defects of oil spots, leveling liquid spots, rolling lubrication spots and the like are not caused, and the yield is improved. However, the lubricating performance is insufficient, and the lubricating oil cannot be applied to a leveling machine set with high deformation requirement.
Disclosure of Invention
In order to prepare a high-lubrication low-residue leveling liquid which can be applied to a leveling machine set with high deformation, the first aspect of the invention provides a high-lubrication low-residue leveling liquid for a cold-rolled sheet, and the preparation raw materials comprise the following components in percentage by weight: 5-10% of antirust agent, 1-5% of film forming agent, 10-20% of lubricant, 1-5% of acid-base regulator, 5-20% of solubilization dispersing agent and deionized water.
As a preferred embodiment, the preparation raw materials comprise, in weight percent: 4-9% of antirust agent, 1-5% of film forming agent, 12-18% of lubricant, 2-4% of acid-base regulator, 8-18% of solubilization dispersing agent and the balance of deionized water.
As a preferred embodiment, the rust inhibitor is a carboxylic acid-based rust inhibitor, which is a ternary polycarboxylic acid.
As a preferred embodiment, the tricarboxylic acid is selected from one or a combination of several of C 21 tricarboxylic acid, C 22 tricarboxylic acid, triazine tricarboxylic acid.
As a preferred embodiment, the rust inhibitor is a triazine polycarboxylic acid which is 2,4, 6-tris (aminocaproate) -1,3, 5-triazine.
The applicant finds that in the experimental process, the cold-rolled plate is subjected to recrystallization annealing and then is subjected to processing under slight thinning pressure, and the flattening treatment is needed to eliminate the yield platform of the cold-rolled steel plate, so that the flattening requirement of the cold-rolled steel plate on high deformation is met. The use of 2,4, 6-tris (aminocaproic acid) -1,3, 5-triazine as rust inhibitor can be applied in flattening units with high deformation requirements, presumably because: the 2,4, 6-tri (amino caproyl) -1,3, 5-triazine can form covalent bonds and coordination bonds with metal ions to form chain polymers alternately, so that the contact area of metal with environments such as acid gas, moisture and oxygen can be effectively reduced, oxidation reaction of the metal ions on the surface of a steel plate is prevented, corrosion is prevented, the 2,4, 6-tri (amino caproyl) -1,3, 5-triazine is used as an antirust agent, the influence of film formation and rust prevention of amine phosphate inorganic antirust agents on the surface of the steel plate is avoided, and the 2,4, 6-tri (amino caproyl) -1,3, 5-triazine is easy to clean, so that the residue on the surface of a cold-rolled plate is reduced. The applicant has further found that 2,4, 6-tris (aminocaproic acid) -1,3, 5-triazine has a certain lubricating effect, especially suited to the levelling requirement of high deformation.
As a preferred embodiment, the film forming agent is polyethylene glycol oleate, and the polyethylene glycol oleate is selected from one or a combination of two of polyethylene glycol monooleate and polyethylene glycol dioleate.
As a preferred embodiment, the film former is polyethylene glycol dioleate.
As a preferred embodiment, the lubricant is an alkyl carboxylate, at least one of the alkyl group of the alkyl carboxylate and the carboxylate having 18 or more carbon atoms.
As a preferred embodiment, the alkyl carboxylic acid ester is selected from one or a combination of several of butyl stearate, glyceryl monostearate and dioctadecyl adipate.
As a preferred embodiment, the lubricant is bis (octadecyl) adipate.
The applicant finds that in the experimental process, polyethylene glycol oleate is used as a film forming agent, alkyl carboxylate is used as a lubricant, so that the lubricating effect of the leveling liquid can be improved, the friction of a roller is reduced, the leveling liquid can be applied to a leveling unit with high deformation of 10-18%, and the possible reasons are hypothetically: polyethylene glycol oleate and alkyl carboxylate act together to enable the leveling liquid to wet the cold-pressed plate surface rapidly and form a lubricating layer rapidly, and the polyethylene glycol oleate and the alkyl carboxylate adopt (1-5): the weight ratio of (10-20) can achieve proper lubrication effect, improve the leveling pressing quantity, obtain the cold-rolled sheet with high deformation rate, simultaneously have less loss on the press roller, reduce the rolling force and reduce the consumption on the roller. The applicant further found that beyond the preferred weight ratio range, the rust inhibitive effect of the flattening liquid on the cold rolled sheet is reduced, probably because the lubricating film formed by polyethylene glycol oleate and alkyl carboxylate has a certain barrier effect on the external environment, and beyond the preferred weight ratio range, the density of the formed lubricating film is reduced, resulting in a reduction in the rust inhibitive effect.
As a preferred embodiment, the acid-base modifier is an alkaline modifier, and the alkaline modifier is one or a combination of several of potassium hydroxide, sodium hydroxide, lithium hydroxide, triethanolamine and vinylamine.
As a preferred embodiment, the acid-base modifier is one or a combination of several of potassium hydroxide, sodium hydroxide and lithium hydroxide.
As a preferred embodiment, the acid-base modifier is potassium hydroxide.
The applicant finds that the ternary polycarboxylic acid has poor dissolution effect in the water system leveling liquid system in the experimental process, but the ternary polycarboxylic acid with low concentration can not achieve good antirust effect, and the applicant can increase the pH of the water system and the solubility of the ternary polycarboxylic acid in water by introducing potassium hydroxide, and the ternary polycarboxylic acid is added in three times, so that the content of the ternary polycarboxylic acid in the leveling liquid can be further improved, and the antirust effect is improved. And the applicant has further found that the use of tricarboxylic acids and potassium hydroxide (5-10): the weight ratio of (1-5) can improve the solubility without affecting the rust-preventing ability of the tricarboxylic acid.
Meanwhile, the leveling liquid can be mutually dissolved with water in any proportion at normal temperature, so that the application range of the leveling liquid is improved, and the use complexity is reduced.
As a preferred embodiment, the solubilizing dispersant is a propylene glycol block polyether, which is a polyoxyethylene and polyoxypropylene block polymer.
As a preferred embodiment, the propylene glycol block polyether has an average molecular weight of 2600-2900Da and an HLB value of 3-13.
As a preferred embodiment, the weight ratio of the propylene glycol block polyether to polyethylene glycol oleate is (5-10): (1-5).
The applicant finds that the propylene glycol block polyether and polyethylene glycol oleate can obtain a stable clear transparent system at a proper weight ratio, and the system can be cloudy and separated out beyond the preferable weight ratio, so that the intersolubility with water is reduced, and the cleaning capability is reduced.
As a preferred embodiment, the solubilizing dispersant is selected from one or a combination of several of L61, L62, L64.
The second aspect of the invention provides a preparation method of a high-lubrication low-residue leveling liquid for a cold-rolled sheet, which comprises the following steps:
(1) Adding ionized water accounting for 20-40wt% of the total amount of deionized water, then adding an acid-base regulator, and uniformly stirring;
(2) Adding the antirust agent in batches, and fully stirring and dissolving;
(3) Adding a solubilizing dispersant, heating to 35-45 ℃, fully stirring, adding a lubricant, and continuously stirring at constant temperature for 2-3h;
(4) Adding the rest deionized water, stirring uniformly, cooling to 15-30deg.C after the system is clear and transparent, adding film forming agent, and stirring uniformly.
As a preferred embodiment, the preparation method of the high-lubrication low-residue type leveling liquid for the cold-rolled sheet comprises the following steps:
(1) Adding ionized water accounting for 30 weight percent of the total amount of deionized water, then adding an acid-base regulator, and uniformly stirring;
(2) Adding the antirust agent for three times uniformly, and fully stirring and dissolving;
(3) Adding a solubilizing dispersant, heating to 40 ℃, fully stirring, adding a lubricant, and continuously stirring at constant temperature for 2 hours;
(4) Adding the rest deionized water, stirring uniformly, cooling to 25 ℃ after the system is clear and transparent, adding the film forming agent, and stirring uniformly.
The applicant finds that the solubility of alkyl carboxylate in an aqueous leveling liquid system is lower in the experimental process, and a clear and transparent stable solution can be obtained by adding propylene glycol block polyether in an environment of 40 ℃, because the solubility and dispersion effects of the propylene glycol block polyether are achieved, and meanwhile, the intermolecular movement rate is higher in a high-temperature system, so that the dissolution of the alkyl carboxylate can be increased, and the good water solubility is obtained. However, the applicant has further found that if alkyl carboxylate and polyethylene glycol oleate are added simultaneously in a high temperature environment, the polyethylene glycol oleate reacts with other substances in the levelling liquid, resulting in reduced lubrication and cleaning capabilities and conversely reduced system stability. And the addition amount of the propylene glycol block polyether is 5-10wt%, and the addition amount exceeds the preferable weight range, so that turbidity and precipitation of the leveling liquid can be caused, the cleaning capability is reduced, and the foam height during spraying affects the leveling process of the leveling liquid.
Compared with the prior art, the invention has the following beneficial effects:
(1) The high-lubrication low-residue type flattening liquid for the cold-rolled sheet adopts 2,4, 6-tri (amino caproyl) -1,3, 5-triazine as the antirust agent, so that the antirust property requirement of the cold-rolled sheet in the storage and transportation processes can be improved, and the problem of oxidation corrosion of macula lutea and the like after the flattening liquid for the cold-rolled sheet is treated can be avoided.
(2) The high-lubrication low-residue leveling liquid for the cold-rolled sheet adopts polyethylene glycol oleate as a film forming agent, adopts alkyl carboxylate as a lubricant, and adopts (1-5): the weight ratio of (10-20) can improve the lubrication effect of the flattening liquid, reduce friction, improve flattening pressing quantity, enable the flattening liquid to be applied to flattening units with the high deformation of 10-18% under the concentration condition of 5% of the mass-volume ratio, realize the high deformation requirement of the flattening liquid units, reduce the cold rolling process pressure of the cold-rolled sheet and improve the production efficiency of the cold-rolled sheet.
(3) According to the preparation method of the high-lubrication low-residue leveling liquid for the cold-rolled sheet, in the step 3, propylene glycol block polyether is added when the system is at 40 ℃, alkyl carboxylate is added, stirring is carried out, cooling is carried out to 15-30 ℃, and polyethylene glycol oleate is added. The method can improve the stability of the leveling liquid, ensure that the leveling liquid is clear and transparent in the transportation or use process, has strong cleaning capability and less foam, has no residue after use, reduces the problem that the production efficiency is influenced by frequent cleaning of rollers caused by dirt roller sticking pollution in the subsequent working procedure, can improve the reflectivity of 8-12% of the cold-rolled sheet with low residue, does not influence the glossiness of the surface of the cold-rolled sheet, can effectively reduce the roller consumption and saves the cost.
(4) The high-lubrication low-residue leveling liquid for the cold-rolled sheet disclosed by the invention has the advantages that the acid-base modifier is potassium hydroxide, and the ternary polycarboxylic acid and the potassium hydroxide are (5-10): the weight ratio of (1-5) can increase the dissolution stability of the ternary polycarboxylic acid in the leveling liquid system, and further increase the rust prevention and corrosion prevention effects of the leveling liquid.
(5) The high-lubrication low-residue leveling liquid for the cold-rolled sheet disclosed by the invention is free of phosphorus, low in nitrogen, environment-friendly, easy to biodegrade, capable of reducing wastewater treatment cost, and convenient to apply, and can be mutually dissolved with water in any proportion at normal temperature.
Drawings
FIG. 1 is a side view of the finished product of the leveling liquid prepared in example 1;
Fig. 2 is a top view of the finished product of the leveling liquid prepared in example 1.
Detailed Description
Example 1
The cost photographs are shown in figures 1-2.
The high-lubrication low-residue leveling liquid for the cold-rolled sheet comprises the following preparation raw materials in percentage by weight: 8% of antirust agent, 4% of film forming agent, 15% of lubricant, 4% of acid-base regulator, 13% of solubilization dispersing agent and the balance of deionized water.
The rust inhibitor is 2,4, 6-tri (aminocaproic acid) -1,3, 5-triazine. The film forming agent is polyethylene glycol dioleate, and the model is PEG600DO. The lubricant is adipic acid bis (octadecyl) ester. The acid-base modifier is potassium hydroxide. The solubilizing dispersant is propylene glycol block polyether L62, the average molecular weight is 2500Da, and the HLB value is 7.
A preparation method of a high-lubrication low-residue leveling liquid for a cold-rolled sheet comprises the following steps:
(1) Adding ionized water accounting for 30 weight percent of the total amount of deionized water, then adding an acid-base regulator, and uniformly stirring;
(2) Adding the antirust agent for three times uniformly, and fully stirring and dissolving;
(3) Adding a solubilizing dispersant, heating to 40 ℃, fully stirring, adding a lubricant, and continuously stirring at constant temperature for 2 hours;
(4) Adding the rest deionized water, stirring uniformly, cooling to 25 ℃ after the system is clear and transparent, adding the film forming agent, and stirring uniformly.
Example 2
The high-lubrication low-residue leveling liquid for the cold-rolled sheet comprises the following preparation raw materials in percentage by weight: 7% of antirust agent, 3% of film forming agent, 12% of lubricant, 2% of acid-base regulator, 10% of solubilization dispersing agent and the balance of deionized water.
The rust inhibitor is 2,4, 6-tri (aminocaproic acid) -1,3, 5-triazine. The film forming agent is polyethylene glycol monooleate, and the model is PEG600MO. The lubricant is glyceryl monostearate. The acid-base modifier is potassium hydroxide. The solubilizing dispersant is propylene glycol block polyether L64, the average molecular weight is 2900Da, and the HLB value is 13.
A preparation method of a high-lubrication low-residue leveling liquid for a cold-rolled sheet comprises the following steps:
(1) Adding ionized water accounting for 30 weight percent of the total amount of deionized water, then adding an acid-base regulator, and uniformly stirring;
(2) Adding the antirust agent for three times uniformly, and fully stirring and dissolving;
(3) Adding a solubilizing dispersant, heating to 40 ℃, fully stirring, adding a lubricant, and continuously stirring at constant temperature for 2 hours;
(4) Adding the rest deionized water, stirring uniformly, cooling to 25 ℃ after the system is clear and transparent, adding the film forming agent, and stirring uniformly.
Comparative example 1
A high-lubrication low-residue leveling liquid for a cold-rolled sheet and a preparation method thereof are provided, and the specific steps are the same as in example 1, except that the addition amount of an antirust agent is 3wt%.
Comparative example 2
A high-lubrication low-residue leveling liquid for a cold-rolled sheet and a preparation method thereof are provided, and the specific steps are the same as those of example 1, except that the addition amount of a lubricant is 10wt%.
Comparative example 3
A high-lubrication low-residue leveling liquid for a cold-rolled sheet and a preparation method thereof are provided, and the specific steps are the same as in example 1, except that the addition amount of a film forming agent is 1wt%, and the addition amount of a solubilizing dispersant is 5wt%.
Performance testing
The flattening solutions prepared in examples 1 to 2 and comparative examples 1 to 3 were used in a state where water was used as a solvent to prepare a liquid having a mass/volume ratio of 5%, and a flattening treatment was performed on the cold-rolled steel sheet.
1. Deformation amount: the actual deformation of the cold-rolled steel sheet in use is tested on a leveling machine line.
2. And the reflectivity is improved: the reflectance was measured using a reflectance meter (the reflectance meter specifications meet the requirements for reflectance from international standard ISO 3906-1980 (E)). The method comprises the following steps: s1, sticking a 3M Sigao 810 invisible adhesive tape to the surface of steel strip steel, and sticking the steel strip steel on a white A4 paper surface to obtain a sampling adhesive tape; s2, directly using the 3M Sigao 810 invisible adhesive tape on the white A4 paper surface in the step S1 to obtain a natural color adhesive tape; s3, using black-and-white template effect correction equipment of a reflectivity tester; s4, measuring the number of the sampling adhesive tape and the natural color adhesive tape by using a reflectivity tester, and recording the number; and S5, calculating the result, namely the reflectivity of the strip steel=the numerical value of the sampling adhesive tape/the numerical value of the natural color adhesive tape.
3. Rust prevention test of lamination: and testing the rust-proof effect of the laminations of the flattened cold-rolled steel plate by referring to the GB/T6144 standard.
4. Rust prevention experiment for scrap iron: and (3) referring to JB/T9189 standard to test the rust-proof effect of the iron filings of the cold-rolled steel plate after the flattening treatment.
The test results are shown in Table 1.
TABLE 1
The leveling liquid has higher lubrication effect, can be applied to leveling units with high deformation requirements under low concentration, has low surface residue, can improve the reflectivity of a plate surface, and does not influence the glossiness of the plate surface.
Claims (5)
1. The high-lubrication low-residue leveling liquid for the cold-rolled sheet is characterized by comprising the following preparation raw materials in percentage by weight: 4-9% of antirust agent, 1-5% of film forming agent, 12-18% of lubricant, 2-4% of acid-base regulator, 8-18% of solubilization dispersing agent and the balance of deionized water;
the film forming agent is polyethylene glycol oleate; the lubricant is adipic acid bis (octadecyl) ester;
The antirust agent is 2,4, 6-tri (aminocaproic acid) -1,3, 5-triazine, and the acid-base regulator is potassium hydroxide;
The weight ratio of the 2,4, 6-tri (amino caproyl) -1,3, 5-triazine to potassium hydroxide is (5-10): (1-5);
the weight ratio of polyethylene glycol oleate to adipic acid dioctadecyl ester is (1-5): (10-20);
the solubilizing dispersant is propylene glycol block polyether.
2. The high-lubrication low-residue leveling liquid for cold-rolled sheet according to claim 1, wherein the polyethylene glycol oleate is one or a combination of two selected from polyethylene glycol monooleate and polyethylene glycol dioleate.
3. The high-lubrication low-residue leveling liquid for cold-rolled sheet according to claim 2, wherein the propylene glycol block polyether is a polyoxyethylene and polyoxypropylene block polymer.
4. The high-lubricating low-residue leveling liquid for cold-rolled sheet according to claim 3, wherein the propylene glycol block polyether has an average molecular weight of 2600 to 2900Da and an HLB value of 3 to 13.
5. A method for preparing the high-lubrication low-residue flattening liquid for cold-rolled sheet according to any one of claims 1-4, comprising the steps of:
(1) Adding ionized water accounting for 20-40wt% of the total amount of deionized water, then adding an acid-base regulator, and uniformly stirring;
(2) Adding the antirust agent in batches, and fully stirring and dissolving;
(3) Adding a solubilizing dispersant, heating to 35-45 ℃, fully stirring, adding a lubricant, and continuously stirring at constant temperature for 2-3h;
(4) Adding the rest deionized water, stirring uniformly, cooling to 15-30deg.C after the system is clear and transparent, adding film forming agent, and stirring uniformly.
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