CN114855173B - Preparation method of antirust agent - Google Patents
Preparation method of antirust agent Download PDFInfo
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- CN114855173B CN114855173B CN202210623088.7A CN202210623088A CN114855173B CN 114855173 B CN114855173 B CN 114855173B CN 202210623088 A CN202210623088 A CN 202210623088A CN 114855173 B CN114855173 B CN 114855173B
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- antirust agent
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- 239000013556 antirust agent Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 15
- 229910052788 barium Inorganic materials 0.000 claims abstract description 10
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- YSIQDTZQRDDQNF-UHFFFAOYSA-L barium(2+);2,3-di(nonyl)naphthalene-1-sulfonate Chemical compound [Ba+2].C1=CC=C2C(S([O-])(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1.C1=CC=C2C(S([O-])(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 YSIQDTZQRDDQNF-UHFFFAOYSA-L 0.000 claims abstract description 10
- 150000007942 carboxylates Chemical class 0.000 claims abstract description 10
- 239000003208 petroleum Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 24
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 229920001223 polyethylene glycol Polymers 0.000 claims description 14
- -1 fatty acid amine salt Chemical class 0.000 claims description 12
- 239000002562 thickening agent Substances 0.000 claims description 12
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 11
- 229940037003 alum Drugs 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 108010010803 Gelatin Proteins 0.000 claims description 9
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 9
- 239000012964 benzotriazole Substances 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- 229920000159 gelatin Polymers 0.000 claims description 9
- 239000008273 gelatin Substances 0.000 claims description 9
- 235000019322 gelatine Nutrition 0.000 claims description 9
- 235000011852 gelatine desserts Nutrition 0.000 claims description 9
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 9
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- QDCPNGVVOWVKJG-VAWYXSNFSA-N 2-[(e)-dodec-1-enyl]butanedioic acid Chemical compound CCCCCCCCCC\C=C\C(C(O)=O)CC(O)=O QDCPNGVVOWVKJG-VAWYXSNFSA-N 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 6
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 235000011837 pasties Nutrition 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- LDTRLQFRPHFLGA-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanol;decanedioic acid Chemical group OCCN(CCO)CCO.OC(=O)CCCCCCCCC(O)=O LDTRLQFRPHFLGA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 125000005210 alkyl ammonium group Chemical group 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims description 2
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical class C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 229920002545 silicone oil 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 24
- 230000000694 effects Effects 0.000 abstract description 20
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract description 14
- 239000003112 inhibitor Substances 0.000 abstract description 10
- 235000010288 sodium nitrite Nutrition 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 231100000086 high toxicity Toxicity 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 23
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 7
- 229960004011 methenamine Drugs 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000011256 inorganic filler Substances 0.000 description 4
- 229910003475 inorganic filler Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000011538 cleaning material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 231100000171 higher toxicity Toxicity 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of rust inhibitors, and discloses a preparation method of a novel rust inhibitor, which comprises the following raw materials in parts by weight: comprises 10-35g/L of sulfonate, 10-30g/L of carboxylate, 10-30g/L of barium petroleum sulfonate and 26-30g/L of barium dinonyl naphthalene sulfonate. The novel antirust agent has good stability in a wet state, is simple in preparation method, easy to operate, relatively low in production cost, more beneficial to industrialization, free of toxic components such as sodium nitrite, healthy and environment-friendly, has good antirust property, is low in volatility, low in organic compound content, suitable in film forming thickness, durable in antirust time, can meet the requirements of industries, has good application prospect, solves the problems that the conventional antirust agent has poor antirust effect, short antirust period and the like, can only be used for short-term rust prevention among working procedures, and the aqueous antirust agent usually contains sodium nitrite which belongs to pollutants, has relatively high toxicity and is inferior to that of antirust oil.
Description
Technical Field
The invention relates to the technical field of rust inhibitors, in particular to a preparation method of a novel rust inhibitor.
Background
The rust inhibitor is a super high-efficient synthetic penetrating agent, which can forcefully penetrate into rust, corrosive and greasy dirt so as to easily remove rust and corrosive on screws and bolts, has the performances of penetrating rust removal, loosening lubrication, resisting corrosion, protecting metals and the like, can form and store a layer of lubricating film on the surface of a part, can inhibit corrosion caused by moisture and a plurality of other chemical components, and belongs to one of rust-proof products, and other types of rust-proof products include rust-proof oil, rust-proof paper and the like.
Along with the increasing requirements of environmental regulations and the increasing of people's environmental consciousness, corresponding requirements are also put forward on the composition and use of the antirust agent, so that the existing antirust agent adopts an antirust material meeting the environmental requirements, has the problems of poor antirust effect, short antirust period and the like, can only be used for short-term antirust among working procedures, and the water-based antirust agent usually contains sodium nitrite which is a pollutant and has higher toxicity, and the antirust effect is inferior to that of antirust oil, so that a novel antirust agent preparation method is provided to solve the problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a preparation method of a novel antirust agent, which has the advantages of meeting the environmental protection requirement, having good antirust performance and the like, and solves the problems of poor antirust effect, short antirust period and the like of the existing antirust agent, which can only be used for short-term antirust among working procedures, and the aqueous antirust agent usually contains sodium nitrite which is a pollutant, has larger toxicity and has an antirust effect which is inferior to that of antirust oil.
The above object of the present invention is achieved by the following technical solutions:
the preparation method of the novel antirust agent comprises the following preparation steps:
1) The following raw materials are taken according to parts by weight: the catalyst comprises 10-35g/L of sulfonate, 10-30g/L of carboxylate, 10-30g/L of barium petroleum sulfonate, 26-30g/L of barium dinonyl naphthalene sulfonate, 80-95g/L of sodium dodecyl sulfate, 10-30g/L of benzotriazole, 200-250g/L of thickener and 10-30g/L of sodium hydroxide, and the base materials with corresponding weight are weighed according to the mass proportion for standby and are added into a reaction kettle;
2) Preparing basic acid liquor, adding 150-200g/L of an activating agent consisting of hydrochloric acid, sulfuric acid and phosphoric acid and 10-20g/L of deionized water into a reaction kettle according to parts by weight, and then heating and stirring;
3) Mixing 30-40g/L of 25% triethanolamine and 10-30g/L of 15% dodecenyl succinic acid according to parts by weight, adding into a reaction kettle, uniformly stirring to obtain a viscous mixed solution, controlling the temperature at 52-56 ℃, controlling the stirring speed at 85-105rpm/min, and stirring for 30-45min;
4) Adding an auxiliary agent, adding graphene, a coupling agent, an additive and a surfactant, heating at a temperature of 60-70 ℃ and stirring at a high speed to uniformly disperse, wherein the stirring speed is controlled at 60-80rpm/min, and the stirring time is controlled at 30-40min;
5) And finally, adding a thickening agent consisting of gelatin solution and alum solution, a defoaming agent and a film forming agent into the reaction kettle, stirring until the liquid becomes pasty, stopping stirring, and finally, completing the preparation of the antirust agent.
The present invention may be further configured in a preferred example to: the coupling agent is a mixture of vinyl trimethoxy silane, tetrabutyl titanate and distearoyl oxyisopropyl aluminate.
The present invention may be further configured in a preferred example to: the concentration of the hydrochloric acid is 8% -13%, the concentration of the sulfuric acid is 98%, and the concentration of the phosphoric acid is 82%.
The present invention may be further configured in a preferred example to: the additive consists of hexamethylenetetramine, polyethylene glycol and water.
The present invention may be further configured in a preferred example to: the hexamethylenetetramine is white hygroscopic crystalline powder or colorless and glossy diamond crystals; polyethylene glycol consists of a long chain hydrocarbon group of nonpolar (hydrophobic) atomic groups and a polar (hydrophilic) hydroxyl group.
The present invention may be further configured in a preferred example to: adding 40-55g gelatin into 500ml boiling water, stirring thoroughly until dissolution is complete to obtain gelatin solution; adding 4-6 g alum into 250m l water, and stirring thoroughly until the alum is completely dissolved, thus obtaining alum solution.
The present invention may be further configured in a preferred example to: the surfactant is fatty acid amine salt and alkyl ammonium oxide, and the fatty acid amine salt is sebacic acid triethanolamine salt, lauryldiacid triethanolamine salt, amidocaproic acid triethanolamine salt or isomerism acid triethanolamine salt.
The present invention may be further configured in a preferred example to: the defoamer is emulsified silicone oil, modified dimethyl silane or polyether.
The present invention may be further configured in a preferred example to: the film forming agent is any one or more of polyacrylate, polyurethane and epoxy resin.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. the novel antirust agent can be adsorbed on the surface of metal to form a protective film by using barium petroleum sulfonate, barium dinonylnaphthalene sulfonate and sodium dodecyl sulfonate, has excellent antirust performance on various metals and products thereof, has good oil-soluble stability, good lubricating and antiwear properties, has good stability in a wet state, is simple in preparation method and easy to operate, relatively has lower production cost, is more beneficial to industrialization, does not contain toxic components such as sodium nitrite and meets the requirements of environmental protection regulations.
The coupling agent is a mixture of vinyl trimethoxy silane, tetrabutyl titanate and distearoyl oxygen isopropyl aluminate, so that the vinyl trimethoxy silane can improve the dispersibility of the filler with better compatibility with the polymer, reduce the dissolution viscosity, enable the filler to have easier processing performance, provide corrosion resistance and scratch resistance, and be used for dampproof treatment; tetrabutyl titanate is used for transesterification, and can improve heat resistance (heat resistance to 500 ℃) when applied to a coating, and improve adhesion of the coating, rubber and plastic to metal surfaces; the distearoyl oxygen isopropyl aluminate can react with active hydrogen, so that the distearoyl oxygen isopropyl aluminate can have a bonding effect with inorganic filler containing hydroxyl, carboxyl or surface adsorbed water, and improve the affinity and binding force of the inorganic filler and an organic polymer, thereby generating an anti-settling effect, improving the bonding strength, ensuring proper film forming thickness, ensuring lasting anti-rust time, meeting the requirements of industry and having good application prospect.
2. The novel antirust agent has strong salt mist resistance and moisture resistance through sulfonate, carboxylate has strong water replacement property, benzotriazole is an anti-discoloration agent for nonferrous metals such as copper and silver, sulfonate and carboxylate are compounded, a certain acid neutralization effect is achieved, benzotriazole also has a certain dissolution assisting effect, the antirust agent is made into paste by using a thickening agent, when the antirust treatment of a metal workpiece is carried out, the antirust agent is only coated on the surface of the workpiece and then washed, and barium petroleum sulfonate is used as an antirust agent and a corrosion inhibitor for metals, and can be adsorbed on the surface of the metal to form a protective film, so that the antirust agent has good antirust performance.
Barium dinonyl naphthalene sulfonate is an anti-rust additive with wide application, has excellent anti-rust performance on various metals and products thereof, has good oil-soluble stability, good lubricating and wear-resisting properties, and has good stability in a wet state, dodecenyl succinic acid can form a firm oil film on the surface of the metal so as to protect the surface of the metal from being corroded and corroded, and sodium dodecyl sulfonate is used as an anti-rust additive and an emulsifier, has quite salt water impregnation resistance and quite good oil-soluble property, and has better anti-rust performance on ferrous metals and brass.
3. According to the novel antirust agent, through adding an additive, hexamethylenetetramine, polyethylene glycol and water in the additive react with each other, the hexamethylenetetramine is white hygroscopic crystalline powder or colorless and glossy diamond crystals, is flammable, and has a melting point of 263 ℃, if the melting point is exceeded, sublimation and decomposition are carried out, but the hexamethylenetetramine is not melted; the polyethylene glycol consists of long-chain hydrocarbon groups of nonpolar (hydrophobic) atomic groups and polar (hydrophilic) hydroxyl groups, and after the polyethylene glycol is dissolved in water, the surface tension of the solution can be obviously reduced, the oxygen of ether bonds in the head and tail hydroxyl groups and the main chain can easily form hydrogen bonds with water molecules, the polyethylene glycol is easy to dissolve in water, selective directional adsorption is generated on the interface of the aqueous solution of the polyethylene glycol based on the action of the hydroxyl groups and the ether bonds, a large amount of cleaning materials and labor cost can be saved, the environment friendliness is good, and the environment pollution can not be caused.
Detailed Description
The present invention will be described in further detail with reference to examples.
Embodiment one:
the invention discloses a preparation method of a novel antirust agent, which comprises the following preparation steps:
1) The following raw materials are taken according to parts by weight: comprises 20g/L of sulfonate, 20g/L of carboxylate, 20g/L of barium petroleum sulfonate, 27g/L of barium dinonyl naphthalene sulfonate, 85g/L of sodium dodecyl sulfate, 25g/L of benzotriazole, 200g/L of thickener and 10g/L of sodium hydroxide, and the base materials with corresponding weight are weighed according to the mass proportion for standby and added into a reaction kettle;
2) Preparing basic acid liquor, adding 150g/L of an activating agent consisting of hydrochloric acid, sulfuric acid and phosphoric acid and 10g/L of deionized water into a reaction kettle according to parts by weight, and then heating and stirring;
3) Mixing and adding 30g/L of 25% triethanolamine and 10g/L of 15% dodecenyl succinic acid into a reaction kettle according to parts by weight, uniformly stirring to obtain a viscous mixed solution, controlling the temperature at 52 ℃, the stirring speed at 85rpm/min, and the stirring time at 30min;
4) Adding an auxiliary agent, adding graphene, a coupling agent, an additive and a surfactant, heating at a temperature of 60 ℃, stirring at a high speed, dispersing uniformly, controlling the stirring speed at 60rpm/min, controlling the stirring time at 30min, enabling the reaction kettle to adopt a counter-rotating stirring structure, enabling collision and rotation between fluids to be more intense by utilizing a counter-rotating mode, further increasing the force of the antirust agent in the stirring process, achieving the effect of fully mixing, avoiding the phenomena of local coagulation of the fluids or wall hanging in the reaction kettle, and reducing the power of a power mechanism;
5) And finally, adding a thickening agent consisting of gelatin solution and alum solution, a defoaming agent and a film forming agent into the reaction kettle, stirring until the liquid becomes pasty, stopping stirring, and finally, completing the preparation of the antirust agent.
Embodiment two:
1) The following raw materials are taken according to parts by weight: comprises 25g/L of sulfonate, 25g/L of carboxylate, 25g/L of barium petroleum sulfonate, 28g/L of barium dinonyl naphthalene sulfonate, 90g/L of sodium dodecyl sulfate, 27g/L of benzotriazole, 225g/L of thickener and 20g/L of sodium hydroxide, and the base materials with corresponding weight are weighed according to the mass proportion for standby;
2) Preparing basic acid liquor, adding 175g/L of an activating agent consisting of hydrochloric acid, sulfuric acid and phosphoric acid and 15g/L of deionized water into a reaction kettle according to parts by weight, and then heating and stirring;
3) Mixing 35g/L of 28% triethanolamine and 20g/L of 18% dodecenyl succinic acid according to parts by weight, adding into a reaction kettle, uniformly stirring, and obtaining a mixed solution in a viscous state, wherein the temperature is controlled at 53 ℃, the stirring speed is 95rpm/min, and the stirring time is 35min;
4) Adding an auxiliary agent, adding graphene, a coupling agent, an additive and a surfactant, heating at a temperature of 65 ℃ and stirring at a high speed for uniform dispersion, controlling the stirring speed at 70rpm/min and the stirring time at 35min, enabling the reaction kettle to adopt a counter-rotating stirring structure, enabling collision and rotation between fluids to be more intense by utilizing a counter-rotating mode, further increasing the force of the antirust agent in the stirring process, achieving the effect of fully mixing, avoiding the phenomena of local coagulation of the fluids or wall hanging in the reaction kettle, and reducing the power of a power mechanism;
5) And finally, adding a thickening agent consisting of gelatin solution and alum solution, a defoaming agent and a film forming agent into the reaction kettle, stirring until the liquid becomes pasty, stopping stirring, and finally, completing the preparation of the antirust agent.
Embodiment III:
1) The following raw materials are taken according to parts by weight: comprises 35g/L of sulfonate, 30g/L of carboxylate, 30g/L of barium petroleum sulfonate, 30g/L of barium dinonyl naphthalene sulfonate, 95g/L of sodium dodecyl sulfate, 30g/L of benzotriazole, 250g/L of thickener and 30g/L of sodium hydroxide, and the base materials with corresponding weight are weighed according to the mass proportion for standby;
2) Preparing basic acid liquor, adding 200g/L of an activating agent consisting of hydrochloric acid, sulfuric acid and phosphoric acid and 20g/L of deionized water into a reaction kettle according to parts by weight, and then heating and stirring;
3) Mixing 30% of triethanolamine 40g/L and 20% of dodecenyl succinic acid 10-30g/L according to parts by weight, adding into a reaction kettle, uniformly stirring, and obtaining a mixed solution in a viscous state, wherein the temperature is controlled at 56 ℃, the stirring speed is 105rpm/min, and the stirring time is 45min;
4) Adding an auxiliary agent, adding graphene, a coupling agent, an additive and a surfactant, heating at a temperature of 70 ℃, stirring at a high speed, dispersing uniformly, controlling the stirring speed to be 80rpm/min, controlling the stirring time to be 40min, enabling the reaction kettle to adopt a counter-rotating stirring structure, enabling collision and rotation between fluids to be more intense by utilizing a counter-rotating mode, further increasing the force of the antirust agent in the stirring process, achieving the effect of fully mixing, avoiding the phenomena of local coagulation of the fluids or wall hanging in the reaction kettle, and reducing the power of a power mechanism;
5) And finally, adding a thickening agent consisting of gelatin solution and alum solution, a defoaming agent and a film forming agent into the reaction kettle, stirring until the liquid becomes pasty, stopping stirring, and finally, completing the preparation of the antirust agent.
The implementation principle of the invention is as follows: the novel antirust agent can be adsorbed on the surface of metal to form a protective film by using barium petroleum sulfonate, barium dinonylnaphthalene sulfonate and sodium dodecyl sulfonate, has excellent antirust performance on various metals and products thereof, has good oil-soluble stability, good lubricating and antiwear properties, has good stability in a wet state, is simple in preparation method and easy to operate, relatively has lower production cost, is more beneficial to industrialization, does not contain toxic components such as sodium nitrite and meets the requirements of environmental protection regulations.
The coupling agent is a mixture of vinyl trimethoxy silane, tetrabutyl titanate and distearoyl oxygen isopropyl aluminate, so that the vinyl trimethoxy silane can improve the dispersibility of the filler with better compatibility with the polymer, reduce the dissolution viscosity, enable the filler to have easier processing performance, provide corrosion resistance and scratch resistance, and be used for dampproof treatment; tetrabutyl titanate is used for transesterification, and can improve heat resistance (heat resistance to 500 ℃) when applied to a coating, and improve adhesion of the coating, rubber and plastic to metal surfaces; the distearoyl oxygen isopropyl aluminate can react with active hydrogen, so that the distearoyl oxygen isopropyl aluminate can have a bonding effect with inorganic filler containing hydroxyl, carboxyl or surface adsorbed water, and improve the affinity and binding force of the inorganic filler and an organic polymer, thereby generating an anti-settling effect, improving the bonding strength, ensuring proper film forming thickness, ensuring lasting anti-rust time, meeting the requirements of industry and having good application prospect.
The sulfonate has strong salt fog resistance and moisture resistance, the carboxylate has strong water replacement property, the benzotriazole is a non-ferrous metal such as copper and silver, the sulfonate and the carboxylate are compounded to have a certain acid neutralization effect, the benzotriazole also has a certain dissolution assisting effect, the thickening agent is used to enable the rust inhibitor to be pasty, and when the rust prevention treatment of a metal workpiece is carried out, the rust inhibitor is only required to be smeared on the surface of the workpiece and then washed, and the barium petroleum sulfonate is used as a metal rust inhibitor and corrosion inhibitor and can be adsorbed on the surface of the metal to form a protective film, so that the rust prevention effect is good.
Barium dinonyl naphthalene sulfonate is an anti-rust additive with wide application, has excellent anti-rust performance on various metals and products thereof, has good oil-soluble stability, good lubricating and wear-resisting properties, and has good stability in a wet state, dodecenyl succinic acid can form a firm oil film on the surface of the metal so as to protect the surface of the metal from being corroded and corroded, and sodium dodecyl sulfonate is used as an anti-rust additive and an emulsifier, has quite salt water impregnation resistance and quite good oil-soluble property, and has better anti-rust performance on ferrous metals and brass.
In addition, through adding the additive, hexamethylene tetramine, polyethylene glycol and water in the additive react with each other, the hexamethylene tetramine is white hygroscopic crystalline powder or colorless and glossy diamond crystal, is flammable, and has a melting point of 263 ℃, and sublimates and decomposes but does not melt if the melting point is exceeded; the polyethylene glycol consists of long-chain hydrocarbon groups with nonpolar atomic groups (hydrophobicity) and polar hydroxyl groups (hydrophilicity), after the polyethylene glycol is dissolved in water, the surface tension of the solution can be obviously reduced, the oxygen of ether bonds in the main chain neutralized by the head and tail hydroxyl groups can easily form hydrogen bonds with water molecules, the polyethylene glycol is easy to dissolve in water, selective directional adsorption is generated on the interface of the aqueous solution of the polyethylene glycol based on the action of the hydroxyl groups and the ether bonds, a large amount of cleaning materials and labor cost can be saved, the environment friendliness is good, the environmental pollution can not be caused, the problems that the conventional antirust agent has poor antirust effect, short antirust period and the like are solved, the conventional antirust agent can only be used for short-term antirust among working procedures, and the aqueous antirust agent usually contains sodium nitrite which belongs to pollutants and has larger toxicity and the antirust effect is inferior to that of antirust oil.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (9)
1. The preparation method of the novel antirust agent is characterized by comprising the following preparation steps:
1) The following raw materials are taken according to parts by weight: the catalyst comprises 10-35g/L of sulfonate, 10-30g/L of carboxylate, 10-30g/L of barium petroleum sulfonate, 26-30g/L of barium dinonyl naphthalene sulfonate, 80-95g/L of sodium dodecyl sulfate, 10-30g/L of benzotriazole, 200-250g/L of thickener and 10-30g/L of sodium hydroxide, and the base materials with corresponding weight are weighed according to the mass proportion for standby and are added into a reaction kettle;
2) Preparing basic acid liquor, adding 150-200g/L of an activating agent consisting of hydrochloric acid, sulfuric acid and phosphoric acid and 10-20g/L of deionized water into a reaction kettle according to parts by weight, and then heating and stirring;
3) Mixing 30-40g/L of 25% triethanolamine and 10-30g/L of 15% dodecenyl succinic acid according to parts by weight, adding into a reaction kettle, uniformly stirring to obtain a viscous mixed solution, controlling the temperature at 52-56 ℃, controlling the stirring speed at 85-105rpm/min, and stirring for 30-45min;
4) Adding an auxiliary agent, adding graphene, a coupling agent, an additive and a surfactant, heating at a temperature of 60-70 ℃ and stirring at a high speed to uniformly disperse, wherein the stirring speed is controlled at 60-80rpm/min, and the stirring time is controlled at 30-40min;
5) And finally, adding a thickening agent consisting of gelatin solution and alum solution, a defoaming agent and a film forming agent into the reaction kettle, stirring until the liquid becomes pasty, stopping stirring, and finally, completing the preparation of the antirust agent.
2. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: the coupling agent is a mixture of vinyl trimethoxy silane, tetrabutyl titanate and distearoyl oxyisopropyl aluminate.
3. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: the concentration of the hydrochloric acid is 8% -13%, the concentration of the sulfuric acid is 98%, and the concentration of the phosphoric acid is 82%.
4. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: the additive consists of hexamethylenetetramine, polyethylene glycol and water.
5. The method for preparing the novel antirust agent according to claim 4, which is characterized in that: the hexamethylenetetramine is white hygroscopic crystalline powder or colorless and glossy diamond crystals; polyethylene glycol consists of long-chain hydrocarbon groups of nonpolar atomic groups and polar hydroxyl groups.
6. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: adding 40-55g gelatin into 500ml boiling water, stirring thoroughly until dissolution is complete to obtain gelatin solution; adding 4-6 g alum into 250ml water, and stirring thoroughly until the alum is completely dissolved, thus obtaining alum solution.
7. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: the surfactant is fatty acid amine salt and alkyl ammonium oxide, and the fatty acid amine salt is sebacic acid triethanolamine salt, lauryldiacid triethanolamine salt, amidocaproic acid triethanolamine salt or isomerism acid triethanolamine salt.
8. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: the defoamer is emulsified silicone oil, modified dimethyl silane or polyether.
9. The method for preparing the novel antirust agent according to claim 1, which is characterized in that: the film forming agent is any one or more of polyacrylate, polyurethane and epoxy resin.
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| CN101712817A (en) * | 2008-09-30 | 2010-05-26 | 无锡市弘育化工有限公司 | Water soluble anti-rust agent |
| CN108467615A (en) * | 2018-03-13 | 2018-08-31 | 合肥择浚电气设备有限公司 | A kind of preparation method of metal product antirust agent |
| CN108913312A (en) * | 2018-08-15 | 2018-11-30 | 广州兴产新材料科技有限公司 | A kind of preparation method of multi-functional antirust oil and multi-functional antirust oil |
| CN112029564A (en) * | 2020-09-09 | 2020-12-04 | 南京科润工业介质股份有限公司 | Neutral water-based antirust agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712817A (en) * | 2008-09-30 | 2010-05-26 | 无锡市弘育化工有限公司 | Water soluble anti-rust agent |
| CN108467615A (en) * | 2018-03-13 | 2018-08-31 | 合肥择浚电气设备有限公司 | A kind of preparation method of metal product antirust agent |
| CN108913312A (en) * | 2018-08-15 | 2018-11-30 | 广州兴产新材料科技有限公司 | A kind of preparation method of multi-functional antirust oil and multi-functional antirust oil |
| CN112029564A (en) * | 2020-09-09 | 2020-12-04 | 南京科润工业介质股份有限公司 | Neutral water-based antirust agent |
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