CN110205632B - Water-based antirust agent for improving bond property of deformed steel bar concrete - Google Patents
Water-based antirust agent for improving bond property of deformed steel bar concrete Download PDFInfo
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- CN110205632B CN110205632B CN201910613390.2A CN201910613390A CN110205632B CN 110205632 B CN110205632 B CN 110205632B CN 201910613390 A CN201910613390 A CN 201910613390A CN 110205632 B CN110205632 B CN 110205632B
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- water
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- deformed steel
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- based antirust
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000013556 antirust agent Substances 0.000 title claims abstract description 29
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 36
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 13
- GGZHVNZHFYCSEV-UHFFFAOYSA-N 1-Phenyl-5-mercaptotetrazole Chemical compound SC1=NN=NN1C1=CC=CC=C1 GGZHVNZHFYCSEV-UHFFFAOYSA-N 0.000 claims abstract description 12
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 claims abstract description 12
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims abstract description 12
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims abstract description 12
- WNKQDGLSQUASME-UHFFFAOYSA-N 4-sulfophthalic acid Chemical compound OC(=O)C1=CC=C(S(O)(=O)=O)C=C1C(O)=O WNKQDGLSQUASME-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 25
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 21
- 238000012360 testing method Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- KGLVAWFHQGJUHT-UHFFFAOYSA-N 2-(2-sulfophenyl)propanoic acid Chemical compound OC(=O)C(C)C1=CC=CC=C1S(O)(=O)=O KGLVAWFHQGJUHT-UHFFFAOYSA-N 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 5
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000003223 protective agent Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- -1 alcohol ether compound Chemical class 0.000 description 3
- PWMWNFMRSKOCEY-UHFFFAOYSA-N 1-Phenyl-1,2-ethanediol Chemical compound OCC(O)C1=CC=CC=C1 PWMWNFMRSKOCEY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 description 2
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- DBJLJFTWODWSOF-UHFFFAOYSA-L nickel(ii) fluoride Chemical compound F[Ni]F DBJLJFTWODWSOF-UHFFFAOYSA-L 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23F11/02—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
-
- 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
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
-
- 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
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
- C23F11/124—Carboxylic acids
-
- 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
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/141—Amines; Quaternary ammonium compounds
-
- 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
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/16—Sulfur-containing compounds
-
- 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
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/173—Macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a water-based antirust agent for improving bond property of deformed steel bar concrete, which consists of the following raw materials: 0.1-5 wt% of 1-phenyl-5-mercapto tetrazole, 2-5 wt% of acetic acid, 0.01-0.1 wt% of peregal, 1-3 wt% of N, N-dimethylformamide, 0.1-0.3 wt% of tert-butylhydroquinone, 0.1-0.3 wt% of 4-sulfo-phthalic acid and the balance of water. Compared with the prior art, the water-based antirust agent for improving the bond property of deformed steel bar concrete has obvious antirust effect and excellent performance of resisting atmosphere and rainwater corrosion in the open air, and can improve the bond strength of deformed steel bar and concrete to a certain extent after antirust treatment.
Description
Technical Field
The invention belongs to the technical field of metal surface corrosion prevention, and particularly relates to a water-based antirust agent for improving bond property of deformed steel bar concrete.
Background
Deformed steel bars are surface ribbed bars, also known as ribbed bars, typically with 2 longitudinal ribs and transverse ribs distributed uniformly along the length. Ribbed steel is subjected primarily to tensile stresses in concrete. The ribbed steel bar has great adhesion to concrete and thus can bear outer force well. Ribbed steel bars are widely used in a variety of building structures, particularly large, heavy, light, thin-walled and high-rise building structures.
In recent years, in order to produce low-cost high-strength steel bars, most of steel enterprises adopt a water cooling process after finish rolling. The process can improve the structure to a certain extent and improve the mechanical property of the steel bar, but the process has a great defect that the water-cooled deformed steel bar is easy to rust in the storage and transportation processes, so that the surface quality of the deformed steel bar is seriously influenced, the bonding strength between the deformed steel bar surface and concrete is reduced due to rust, the building quality is seriously influenced, and the corrosion of the steel bar becomes a main factor influencing the durability of the building. Therefore, more and more screw thread steel manufacturers adopt chemical treatment agents to carry out rust prevention and corrosion prevention treatment on the surface of the screw thread steel. The market demand of the deformed steel bar surface treating agent is huge, wherein various rust inhibitors occupy the main position. The antirust agent mainly comprises a water-based antirust agent and antirust oil. The common water-based antirust agent contains carcinogenic substances such as sodium nitrite and the like, so that the health of workers can be damaged, and the environment is seriously polluted; the anti-rust oil can reduce the bond stress between the deformed steel bar and the concrete and seriously affect the performance and the quality of the deformed steel bar.
At present, some technical solutions for preventing rust on metal surfaces have been disclosed in the prior art, for example, chinese patent application publication No. CN106555180A, which discloses a metal plating protective agent comprising 5 wt% to 20 wt% of an alcohol ether compound, 0.1 wt% to 5 wt% of a mercapto group-containing heterocyclic compound, 5 wt% to 20 wt% of a carboxylic acid compound, 0.001 wt% to 1 wt% of an emulsifier, 5 wt% to 20 wt% of an amide compound, and the balance of water. The metal coating protective agent can obviously improve the corrosion resistance and the durability of a metal coating, prevent the metal coating from oxidative discoloration, does not influence the welding performance of the metal coating, and does not cause environmental pollution. However, the condition of soaking the protective agent in metal treatment is that the protective agent is soaked for 3-10min at 30-80 ℃, the time of the threading process of the deformed steel bar is only a few seconds, and a protective film with excellent resistance performance is difficult to form in such short treatment time on the premise of not modifying original process equipment, so that the corrosion resistance of the deformed steel bar is seriously influenced finally.
Therefore, it is of great significance to develop a water-based rust inhibitor which has short treatment time and can improve the corrosion resistance and the concrete bond performance of the treated deformed steel bar.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the water-based antirust agent which has short treatment time and improves the corrosion resistance and the concrete bond performance of the treated deformed steel bar. In order to realize the purpose, the invention adopts the following technical scheme:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 0.1-5 wt% of 1-phenyl-5-mercapto tetrazole, 2-5 wt% of acetic acid, 0.01-0.1 wt% of peregal, 1-3 wt% of N, N-dimethylformamide, 0.1-0.3 wt% of tert-butylhydroquinone, 0.1-0.3 wt% of 4-sulfo-phthalic acid and the balance of water.
Preferably, the water-based antirust agent for improving the bond property of the deformed steel bar concrete consists of the following raw materials: 2 wt% of 1-phenyl-5-mercapto tetrazole, 3 wt% of acetic acid, 0.05 wt% of peregal, 2 wt% of N, N-dimethylformamide, 0.1 wt% of tert-butylhydroquinone, 0.3 wt% of 4-sulfo-phthalic acid and the balance of water.
The preparation method of the water-based antirust agent for improving the bond property of the deformed steel bar concrete is simple, and all the raw materials are added into water and stirred uniformly.
The invention relates to a treatment method of a water-based antirust agent for improving bond property of deformed steel bar concrete, which comprises the following steps: the water-based antirust agent is directly added into water of the original deformed steel bar water penetrating process, so that the mass concentration is 3-5%, the temperature of water solution for water penetrating treatment is 20-100 ℃, deformed steel bars rapidly penetrate through the water solution, and the contact time of the deformed steel bars and the water solution is 3-10 seconds.
Compared with the prior art, the water-based antirust agent for improving the bond property of deformed steel bar concrete has obvious antirust effect and excellent performance of resisting atmosphere and rainwater corrosion in the open air, and can improve the bond strength of deformed steel bar and concrete to a certain extent after antirust treatment.
Detailed Description
The invention is further described below by way of examples.
Example 1:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 wt% of 1-phenyl-5-mercapto tetrazole, 3 wt% of acetic acid, 0.05 wt% of peregal, 2 wt% of N, N-dimethylformamide, 0.1 wt% of tert-butylhydroquinone, 0.3 wt% of 4-sulfo-phthalic acid and the balance of water.
Comparative example 1:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 weight percent of 1-phenyl-5-mercapto tetrazole, 3 weight percent of acetic acid, 0.05 weight percent of peregal, 2 weight percent of N, N-dimethylformamide and the balance of water.
Comparative example 1 differs from example 1 in that it does not contain tert-butylhydroquinone, 4-sulfophthalic acid.
Comparative example 2:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 wt% of 1-phenyl-5-mercapto tetrazole, 3 wt% of acetic acid, 0.05 wt% of peregal, 2 wt% of N, N-dimethylformamide, 0.1 wt% of tert-butylhydroquinone and the balance of water.
Comparative example 2 differs from example 1 in that 4-sulfophthalic acid is not included.
Comparative example 3:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 weight percent of 1-phenyl-5-mercapto tetrazole, 3 weight percent of acetic acid, 0.05 weight percent of peregal, 2 weight percent of N, N-dimethylformamide, 0.3 weight percent of 4-sulfo phthalic acid and the balance of water.
Comparative example 3 differs from example 1 in that it does not contain tert-butylhydroquinone.
Comparative example 4:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 wt% of 1-phenyl-5-mercapto tetrazole, 3 wt% of acetic acid, 0.05 wt% of peregal, 2 wt% of N, N-dimethylformamide, 0.1 wt% of tert-butylhydroquinone, 0.3 wt% of 2-sulfophenylpropionic acid and the balance of water.
Comparative example 4 differs from example 1 in that 2-sulfophenylpropionic acid is used instead of 4-sulfophthalic acid.
Comparative example 5:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 weight percent of 1-phenyl-5-mercapto tetrazole, 3 weight percent of acetic acid, 0.05 weight percent of peregal, 2 weight percent of N, N-dimethylformamide, 0.1 weight percent of tert-butylhydroquinone, 0.08 weight percent of nickel fluoride, 0.5 weight percent of phenyl glycol ether and the balance of water.
Comparative example 5 differs from example 1 in that 0.3 wt% of 4-sulfophthalic acid was replaced by 0.08 wt% of nickel fluoride, 0.5 wt% of phenylethanediol.
Comparative example 6:
a water-based antirust agent for improving bond property of deformed steel bar concrete is composed of the following raw materials: 2 wt% of 1-phenyl-5-mercaptotetrazole, 3 wt% of acetic acid, 0.05 wt% of peregal, 2 wt% of N, N-dimethylformamide, 0.05 wt% of glycerol monostearate, 0.05 wt% of 2-sulfophenylpropionic acid, 0.3 wt% of 2-sulfophenylpropionic acid and the balance of water.
Comparative example 6 differs from example 1 in that 0.1 wt% of tert-butylhydroquinone was replaced with 0.05 wt% of glycerol monostearate, 0.05 wt% of 2-sulfophenylpropionic acid.
The aqueous rust inhibitors of example 1 and comparative examples 1 to 6 were used to prepare aqueous solutions of 3% mass concentration, and the deformed steel bar products of the same specification and the same batch produced by a deformed steel bar enterprise in Anhui were subjected to normal temperature water penetration rust-proofing treatment, and the moving speed of the deformed steel bar was adjusted to allow the water penetration contact time to be 5 seconds, and then naturally dried. Taking the 7 groups of deformed steel bar samples subjected to water penetration treatment by different antirust agent aqueous solutions and 1 group of blank groups of deformed steel bar samples which are not added with the antirust agent and are subjected to water penetration treatment in the prior art, and carrying out the following comparative tests on 6 groups of deformed steel bar samples:
comparative experiment 1: open air weather resistance test
Each group of 3 deformed steel bar samples are laid open in the open at the top of the building for 2 months. In the two months, the rain falls in 7 fields, and the rain weather is 23 days in total. During the test, the rust formation on the steel surface was observed daily and the final rust formation was recorded at the completion of the 2-month test, and the results are shown in table 1.
Comparative experiment 2: bond property test of screw-thread steel concrete
And embedding the deformed steel bar samples into concrete test blocks of 150mm multiplied by 150mm for each group of 3 deformed steel bar test samples, and after the post-age maintenance according to the forming and maintenance method of the industry standard concrete test pieces, carrying out the bond strength test of the reinforcing steel bars and the concrete according to DL/T5150-plus 2001 hydraulic concrete test regulations, wherein the results are shown in Table 1.
TABLE 1 comparative test results
| Test group | Average area of rust | Average bond strength |
| Blank group | The rusty area is more than 99 percent | 9.7 MPa |
| Example 1 | Rust area is less than 1% | 11.1 MPa |
| Comparative example 1 | The rust area is 50 to 55 percent | 7.8 MPa |
| Comparative example 2 | Rust area is 30-35% | 8.4 MPa |
| Comparative example 3 | Rust area is 20-25% | 8.9 MPa |
| Comparative example 4 | Rust area is 10-15% | 9.3 MPa |
| Comparative example 5 | Rust area is 25-30% | 8.2 MPa |
| Comparative example 6 | Rust area is 20-25% | 9.6 MPa |
As can be seen from the comparative test results in Table 1, the water-through treatment of the water-based antirust agent in the embodiment 1 of the invention greatly improves the atmospheric and rainwater corrosion resistance of the deformed steel bar, and simultaneously improves the bond strength between the deformed steel bar and the concrete to a certain extent. The components in the rust inhibitor of the comparative examples 1 to 6 are changed, so that the rust inhibiting effect of the rust inhibitor is greatly reduced, and the bond stress of the deformed steel bar and the concrete is influenced to different degrees.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the content of the claims of the present invention should be within the technical scope of the present invention.
Claims (3)
1. The water-based antirust agent for improving the bond property of the deformed steel bar concrete is characterized by comprising the following raw materials in percentage by weight: 0.1-5 wt% of 1-phenyl-5-mercapto tetrazole, 2-5 wt% of acetic acid, 0.01-0.1 wt% of peregal, 1-3 wt% of N, N-dimethylformamide, 0.1-0.3 wt% of tert-butylhydroquinone, 0.1-0.3 wt% of 4-sulfo-phthalic acid and the balance of water.
2. The water-based antirust agent for improving bond property of deformed steel bar concrete according to claim 1, which is characterized by comprising the following raw materials in percentage by weight: 2 wt% of 1-phenyl-5-mercapto tetrazole, 3 wt% of acetic acid, 0.05 wt% of peregal, 2 wt% of N, N-dimethylformamide, 0.1 wt% of tert-butylhydroquinone, 0.3 wt% of 4-sulfo-phthalic acid and the balance of water.
3. The method for treating the water-based antirust agent for improving the bond property of the deformed steel bar concrete according to claim 1 or 2, is characterized in that the water-based antirust agent is directly added into water of an original deformed steel bar water penetrating process to enable the mass concentration to be 3-5%, the temperature of an aqueous solution for water penetrating treatment is 20-100 ℃, the deformed steel bar rapidly penetrates through the aqueous solution, and the contact time of the deformed steel bar with the aqueous solution is 3-10 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613390.2A CN110205632B (en) | 2019-07-09 | 2019-07-09 | Water-based antirust agent for improving bond property of deformed steel bar concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613390.2A CN110205632B (en) | 2019-07-09 | 2019-07-09 | Water-based antirust agent for improving bond property of deformed steel bar concrete |
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| CN103276383B (en) * | 2013-06-07 | 2015-08-05 | 合肥华清金属表面处理有限责任公司 | A kind of Environmental protection type thread steel surface antirust treatment agent |
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| CN107893226B (en) * | 2017-12-05 | 2019-08-02 | 汉高乐泰(宁夏)新材料有限公司 | A kind of water-based antirust agent improving screw thread steel concrete bond property |
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