CN109943158A - Screw-thread steel antirust solution, preparation method and screw-thread steel surface treatment method - Google Patents
Screw-thread steel antirust solution, preparation method and screw-thread steel surface treatment method Download PDFInfo
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Abstract
The invention discloses screw-thread steel antirust solution, preparation method and screw-thread steel surface treatment method, antirust solution mass percent is configured to aqueous acrylic emulsion 3-15%；Aqueous alkide resin 2-10%；Alkyl aromatic sulfonic acid salt 0.5-10%；Butyl ether class 0.5-2%；Amino silane 0.1-2.0%；Dimethylethanolamine 0.05-0.5%；Alkyd resin drier 0.1-1%；Remaining is deionized water.The antirust solution energy conservation and environmental protection, simple process, at low cost, effect is good, is suitable for short, the mid-term antirust of screw-thread steel, the membranous layer corrosion resistance of the screw-thread steel after surface treatment can be good, while not influencing the adhesive property of screw-thread steel and concrete.
Description
Technical field
The invention belongs to metal surface anticorrosive technical fields, and in particular to screw-thread steel antirust solution, preparation method and screw thread
Steel surface treatment method.
Background technique
Metal material is widely used in the every field such as life, production, military affairs because of its superior performance.However, except few
Outside number noble metals, most metals are easy to be corroded by working environment, the corrosion of metal material to national economy, production safety,
Environmental protection etc. brings tremendous influence.China due to steel corrosion caused by economic loss account for about the 4% of GDP total amount,
Therefore the antirust technology of steel is that an application value is extremely strong, far-reaching technology.Screw-thread steel is that building trade dosage is maximum
Steel product, China's screw thread output of steel in 2016 accounts for about a quarter of steel total output up to 2.12 hundred million tons.But screw-thread steel
During transport, storage, easily contacts and corrode with corrosive medias such as oxygen gas and water, salinities.Rusty stain will cause screw thread
The reduction of steel and concrete bond strength, seriously affects construction quality.The corrosion of screw-thread steel, which has become, influences building durability
One of principal element.
Screw-thread steel rust preventing has using oiliness antirust agent at present, and disadvantage is obvious: at high cost, aftertreatment technology is complicated,
Environment is influenced, antirust agent is inflammable, volatile, causes the huge waste etc. of petroleum resources.Water-based antirust currently on the market
Have clearly disadvantageous: part antirust agent contains carcinogenicity substance, such as chromate, nitrite, polyvinyl alcohol；Part is water base anti-
Rust agent contains phosphoric acid or phosphate, and environmental pollution is serious；There are also tungstates, molybdate or the noble metals contained by the antirust solution of part
Equal proportion is high, higher cost, and rust-proof effect is not satisfactory.As people propose environmental requirement and the continuous of antirust quality requirement
Height, traditional screw-thread steel antirust agent are no longer satisfied production requirement.It therefore, is to have very to the research of the antirust agent of screw-thread steel
Important realistic meaning and theory significance.
Although there are many antirust patent of carbon steel Base Metal, be not suitable for the antirust of screw-thread steel.Such as: Chinese patent
201610345961.5 disclose a kind of water-based metal anti-corrosion material and preparation method thereof, property of water-bearing alkyd resin 30-40%, water
Property amino resins 15-20%, water-based acrylic resin 10-20%, talcum powder 10-15%, dispersing agent 0.2-0.5%, defoaming agent 0.1-
0.3%, aqueous drier 0.5-1%, water-based thickener 0.5-2%, antirust agent 0.5-1.5%, levelling agent 0.5-0.5%, wetting agent
0.1-0.3%, regulator 0.2-0.6%, because that there are dried coating films in performance is slow for aqueous alkide resin, the disadvantages such as hardness is low,
And use modified property of water-bearing alkyd resin；Chinese patent 201310301026.5 discloses a kind of water-based anti-rust paint for rusty surfaces, and third
100-120 parts of olefin(e) acid lotion, 8-11 parts of alkyd resin, 6-8 parts of benzotriazole, 7-10 parts of calcium molybdate zinc of alkali formula, propylene glycol fourth
5-8 parts of ether, 0.1-0.3 parts of trbasic zinc phosphate, 0.5-1 parts of citric acid, 0.1-0.3 parts of iron oxide red, 0.5-5 parts of silicon powder, hydroxypropyl
0.1-0.2 parts of cellulose, 0.1-0.3 parts of dibutyl tin dilaurate, 0.1-1 parts of dispersing agent, 0.1-0.5 parts of defoaming agent, go from
Sub- water 4-10 parts.108251197 A of Chinese patent CN discloses a kind of water-based antirust agent, including 15-95 parts of alkyd resin, ring
25-76 parts of alkyl base oil, 25-70 parts of acrylic resin, 24-85 parts of aqueous acrylic emulsion, 34-75 parts of fatty acid amide,
35-95 parts of silane coupling agent, 25-85 parts of polyisobutene, 20-45 parts of Corvic, 15-75 parts of glutamic acid, growth agent 10-
85 parts.The film-forming components (resin, lotion) of antirust solution reach 50% or more in above-mentioned patent, are such as used for the antirust of screw-thread steel, will
It is formed on its surface 10 μm or more of dry film, this can seriously affect screw-thread steel and concrete bond strength；Film-forming components content mistake
It is big on the other hand to increase antirust cost.Such as according to above-mentioned formula, film thickness is reduced by reducing film-forming components content, it will be direct
Cause rustless property to decline, the antirust requirement of screw-thread steel is not achieved.
In conclusion being badly in need of developing a kind of good antirust property, the antirust of screw-thread steel Yu concrete bond strength is not influenced
Agent and preparation method thereof and antirust surface treatment method.
Summary of the invention
In view of the above shortcomings of the prior art, the object of the invention is that providing screw-thread steel antirust solution, the antirust
Liquid energy conservation and environmental protection, simple process, at low cost, effect is good, is suitable for short, the mid-term antirust of screw-thread steel, the screw thread after surface treatment
The membranous layer corrosion resistance of steel can be good, while not influencing the adhesive property of screw-thread steel and concrete.
The present invention additionally provides the preparation method and screw-thread steel surface treatment method of the antirust solution simultaneously.
The technical scheme of the present invention is realized as follows:
Screw-thread steel antirust solution is made of each component of following mass percent: aqueous acrylic emulsion 3-15%；Water alcohol acid tree
Rouge 2-10%；Alkyl aromatic sulfonic acid salt 0.5-10%；Butyl ether class 0.5-2%；Amino silane 0.1-2.0%；Dimethylethanolamine
0.05-0.5%；Alkyd resin drier 0.1-1%；Remaining is deionized water.
Further, the aqueous acrylic emulsion is in styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion and acrylate and vinyl acetate emulsion
It is one or more of.
Further, the solid content of the aqueous acrylic emulsion is 40%.
Further, the alkyl aromatic sulfonic acid salt be dinonyl benzene sulfonic acid sodium salt, calcium salt, magnesium salts, barium salt, 18
In sodium salt, calcium salt, magnesium salts, barium salt and the dinonyl benzene sulfonic acid of alkyl toluene sulfonic acids and the derivative of octadecyl toluenesulfonic acid
One or more.
Further, the butyl ether class be one of butyl, dipropylene and butyl glycol ether or
It is several.
Further, the amino silane is γ-aminopropyltrimethoxysilane, 3- aminopropyl triethoxysilane, N-
2- aminoethyl -3- aminopropyl trimethoxysilane, N-2- aminoethyl -3- aminopropyltriethoxy dimethoxysilane, γ-aminopropyl first
One or more of base diethoxy silane and its modified product.
Further, the preferred mass percent of each component is constituted are as follows: aqueous acrylic emulsion 15%；Aqueous alkide resin
3%；Alkyl aromatic sulfonic acid salt 2%；Butyl ether class 0.5%；Amino silane 0.5%；Dimethylethanolamine 0.1%；Alkyd resin drier
0.2%；Deionized water 78.7%.
The preparation method of screw-thread steel antirust solution, specifically includes the following steps:
(1) it stocks up by screw-thread steel antirust solution each component noted earlier, wherein deionized water is divided into three parts, and first part is deionized water
The 8%-20% of gross mass, second part of 8%-20% for deionized water gross mass, remaining constitutes third part；
(2) dimethylethanolamine is added simultaneously in stirring aqueous alkide resin, continues to be added first after stirring a period of time after adding
Part deionized water, stirs evenly, obtains solution A；
(3) control temperature of reaction kettle is 40 ~ 60 DEG C, and butyl ether class is put into reaction kettle, is then delayed alkyl aromatic sulfonic acid salt
It is slow to be added in reaction kettle, it stirs while adding, continues stirring a period of time after adding, then aqueous acrylic emulsion is slowly added to
In reaction kettle, it is stirring evenly and then adding into second part of deionized water, finally stirs evenly, obtains solution B；
(4) under stiring, solution A, amino silane, alkyd resin drier are successively slowly added in the solution B into reaction kettle
With third part deionized water, after mixing evenly up to hot rolling ribbed steel bar high-efficiency environment friendly antirust solution.
Screw-thread steel surface treatment method is handled using mentioned-above screw-thread steel antirust solution, and processing mode is to impregnate
Or spray, the antirust solution pH value are 8-10；If it is spray, spray time 30-120 seconds, spray pressure 0.5-1.5bar；
If it is immersion, soaking time 60-180 seconds；Handling preceding thread steel temperature is 130-200 DEG C, and antirust solution temperature is controlled in 20-
Between 80 DEG C；Rear thread steel is handled to open wide indoors standing preservation 24 hours or more.
Further, the pH value of antirust solution is adjusted using dimethylethanolamine or deionized water, if pH value is less than
8, dimethylethanolamine is added and improves pH value；If pH value is greater than 10, deionized water, which is added, reduces pH value.
Compared with prior art, the invention has the following beneficial effects:
1, the amino silane that the present invention uses can form passivation layer with carbon steel surface at a certain temperature and play corrosion-resisting function, water
Property acrylic emulsion and alkyd resin form composite membrane and be formed together physical barriers with the alkyl aromatic sulfonic acid salt that is embedded
Layer hinders corrosive media to corrode metal, the collaboration protective action of passivation layer and physical barrier makes that treated screw-thread steel
With good rustless property.
2, raw material used in this screw-thread steel antirust liquid is common substance, without phosphorus, heavy metal free, without carcinogen, complete
Meet European Union's ROHS environmental protection instruction and REACH standard entirely.
3, the present invention is aqueous protective fluids, and treatment process is generated without waste water, waste residue, safety and environmental protection.
4, the processing method is formed colorless and transparent in screw thread steel surface, with a thickness of the physics and chemistry of 500 rans
Compound conversion film, membranous layer corrosion resistance can be good, do not influence the adhesive property of screw-thread steel and concrete.
5, the simple process used in the present invention reconciles without oil removing, derusting, table and closes, and treatment process only needs to control pH
Value.Film forming procedure can use the waste heat after hot rolling ribbed steel bar hot rolling accelerate chemical conversion formed chemical films, dried paint, entirely
Process is without heating, and low energy consumption.
Detailed description of the invention
The appearance of Fig. 1-antirust solution screw-thread steel before and after the processing (left side is processed, and the right is untreated).
Specific embodiment
Screw-thread steel antirust solution is made of each component of following mass percent: aqueous acrylic emulsion 3-15%；Aqueous alcoholic
Acid resin 2-10%；Alkyl aromatic sulfonic acid salt 0.5-10%；Butyl ether class 0.5-2%；Amino silane 0.1-2.0%；Dimethyl ethanol
Amine 0.05-0.5%；Alkyd resin drier 0.1-1%；Remaining is deionized water.Amino silane at a certain temperature with carbon steel table
Face forms passivation layer and plays corrosion-resisting function, the alkyl that aqueous acrylic emulsion and alkyd resin form composite membrane and be embedded
Aromatic sulfonic acid salt is formed together physical barrier, and corrosive media is hindered to corrode metal, passivation layer (chemical films) and physics resistance
The collaboration protective action of barrier (physics film) makes that treated, and screw-thread steel has good rustless property.The certain temperature refers to spiral shell
The end (130-200 DEG C) of water-air cooling technique is worn after line steel hot rolling, without in addition heating.
The aqueous acrylic emulsion is one of styrene-acrylic emulsion, pure-acrylic emulsion, silicone acrylic emulsion and acrylate and vinyl acetate emulsion or several
Kind.
The solid content of the aqueous acrylic emulsion is 40%.The aqueous acrylic emulsion of other solid contents can also be to count
Solid content 40% need to be converted to by calculating when aqueous acrylic emulsion is added calculates its specific additive amount.
The alkyl aromatic sulfonic acid salt is sodium salt, calcium salt, magnesium salts, the barium salt of dinonyl benzene sulfonic acid, octadecyl toluene
One of derivative of sodium salt, calcium salt, magnesium salts, barium salt and the dinonyl benzene sulfonic acid of sulfonic acid and octadecyl toluenesulfonic acid or
It is several.
The butyl ether class is one or more of butyl, dipropylene, butyl glycol ether.
The amino silane is γ-aminopropyltrimethoxysilane, 3- aminopropyl triethoxysilane, N-2- aminoethyl-
3- aminopropyl trimethoxysilane, N-2- aminoethyl -3- aminopropyltriethoxy dimethoxysilane, γ-aminopropyltriethoxy diethoxy
One or more of base silane and its modified product.
The preferred mass percent of each component is constituted are as follows: aqueous acrylic emulsion 15%；Aqueous alkide resin 3%；Alkyl virtue
Fragrant sulfonated hydrocarbon 2%；Butyl ether class 0.5%；Amino silane 0.5%；Dimethylethanolamine 0.1%；Alkyd resin drier 0.2%；Go from
Sub- water 78.7%.
The preparation method of above-mentioned screw-thread steel antirust solution, specifically includes the following steps:
(1) it stocks up by aforementioned hot rolling ribbed steel bar antirust solution each component, wherein deionized water is divided into three parts, and first part is deionized water
The 8%-20% of gross mass, second part of 8%-20% for deionized water gross mass, remaining constitutes third part；First part of deionized water
For dissolving aqueous alkide resin, weakly alkaline environment is provided；Second part of deionized water is for dissolving aromatic sulfonic acid salt and aqueous
Acrylic emulsion obtains the stable acrylic emulsion liquid dissolved with alkyl aromatic sulfonic acid salt；Excessive concentration too low all may be used
Aqueous alkide resin and aqueous acrylic emulsion can be caused to be demulsified to be precipitated；
(2) dimethylethanolamine is added simultaneously in stirring aqueous alkide resin, continues stirring a period of time (5min or so) after adding
First part of deionized water is added afterwards, stirs evenly, obtains solution A；
(3) control temperature of reaction kettle is 40 ~ 60 DEG C, and butyl ether class is put into reaction kettle, is then delayed alkyl aromatic sulfonic acid salt
It is slow to be added in reaction kettle, it stirs while adding, continues after adding stirring a period of time (5min or so), then by aqueous acrylamide yogurt
Liquid is slowly added in reaction kettle, is stirring evenly and then adding into second part of deionized water, is finally stirred evenly, obtain solution B；Here it sets
Setting reaction kettle is 40 ~ 60 DEG C primarily to promoting the dissolution of alkyl aromatic sulfonic acid salt, is lower than this temperature alkyl aromatic sulphur
Hydrochlorate not readily dissolves；Higher than this temperature, in the environment for having butyl ether, aqueous acrylic emulsion is easily demulsified precipitation.
(4) under stiring, solution A, amino silane, alkyd resin are successively slowly added in the solution B into reaction kettle to urge
Dry agent and third part deionized water, after mixing evenly up to hot rolling ribbed steel bar high-efficiency environment friendly antirust solution.
In addition to step (3), remaining step operates at normal temperature.
Screw-thread steel surface treatment method is handled, processing mode using hot rolling ribbed steel bar antirust solution provided by the invention
To impregnate or spraying, the antirust solution pH value is 8-10；If it is spray, spray time 30-120 seconds, spray pressure 0.5-
1.5bar；If it is immersion, soaking time 60-180 seconds；Handling preceding thread steel temperature is 130-200 DEG C, antirust solution temperature control
System is between 20-80 DEG C；Rear thread steel is handled to open wide indoors standing preservation 24 hours or more.Processing method of the invention is optional
(130-200 DEG C) of the end progress hot-rolled screw thread steel surface treatment that water-air cooling technique is worn after screw-thread steel hot rolling is selected, in this way anti-
Chemical conversion can be accelerated to form chemical composition coating, dry paint using the waste heat after hot rolling ribbed steel bar hot rolling in rust liquid film forming procedure
Film, whole process reduce energy consumption without in addition heating.
When screw thread steel surface treatment, the pH value of antirust solution is adjusted using dimethylethanolamine or deionized water, if
PH value is added dimethylethanolamine and improves pH value less than 8；If pH value is greater than 10, deionized water, which is added, reduces pH value.Here it uses
It is to be added according to the need in surface treatment process in the dimethylethanolamine and deionized water for adjusting antirust solution pH value, do not include
Within the component of antirust solution.
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Embodiment 1
Every 1000kg screw-thread steel antirust solution weighs following raw material according to following:
Styrene-acrylic emulsion 150kg, aqueous alkide resin 30kg, dinonyl benzene sulfonic acid calcium 20kg, butyl glycol ether 5kg, 3- aminopropyl
Triethoxysilane 5kg, dimethylethanolamine 1kg, alkyd resin drier 2kg, deionized water 787kg.
The preparation method is as follows:
1kg dimethylethanolamine is added in 30kg aqueous alkide resin, stirring adds 100kg water after five minutes, and stirring is equal
It is even；5kg butyl glycol ether is put into reaction kettle, 20kg bis- is slowly added under stirring by 40 DEG C -60 DEG C of reactor temperature of control
Nonylbenzene sulfonic acid calcium, stirring are slow added into 150kg styrene-acrylic emulsion after five minutes, stir evenly and 100kg water is added；Front is matched
The aqueous alkide resin and dimethylethanolaminesolution solution set are poured slowly into reaction kettle, are stirred and are sequentially added 5kg 3- aminopropyl
Triethoxysilane, 2kg alkyd resin drier and 587kg deionized water, can be packed and stored after mixing evenly.
Hot rolling ribbed steel bar surface treatment method is as follows: being cooled to 130 DEG C of sections after screw-thread steel hot rolling, antirust solution is sprayed to
Screw thread steel surface, spray pressure 0.8bar, spray time 60 seconds.Treated, and screw-thread steel stands 24 hours indoors.
Embodiment 2
Every 1000kg screw-thread steel antirust solution weighs following raw material according to following:
Aqueous pure-acrylic emulsion 50kg, aqueous alkide resin 50kg, dinonyl barium benzosulfonate 15kg, dipropylene 10kg, 3-
Aminopropyl triethoxysilane 8kg, dimethylethanolamine 1.2kg, alkyd resin drier 3kg, deionized water 862.8kg.
The preparation method is as follows:
1.2kg dimethylethanolamine is added in 50kg aqueous alkide resin, stirring adds 70kg water after five minutes, and stirring is equal
It is even；10kg dipropylene is put into reaction kettle, is slowly added under stirring by 40 DEG C -60 DEG C of reactor temperature of control
15kg dinonyl barium benzosulfonate, stirring are slow added into the aqueous pure-acrylic emulsion of 50kg after five minutes, stir evenly and 100kg water is added；
The aqueous alkide resin of former configuration and dimethylethanolaminesolution solution are poured slowly into reaction kettle, stir and sequentially add 8kg
3- aminopropyl triethoxysilane, 3kg alkyd resin drier and 692.8kg deionized water, can be packaged into after mixing evenly
Library.
Hot rolling ribbed steel bar surface treatment method is as follows: being cooled to 180 DEG C of sections after screw-thread steel hot rolling, antirust solution is sprayed to
Screw thread steel surface, spray pressure 1.0bar, spray time 120 seconds.Treated, and screw-thread steel stands 24 hours indoors.
Embodiment 3:
Every 1000kg screw-thread steel antirust solution weighs following raw material according to following:
Aqueous silicone acrylic emulsion 100kg, aqueous alkide resin 40kg, octadecyl calcium cresylsulfonate 20kg, butyl glycol ether 8kg,
γ-aminopropyltrimethoxysilane 10kg, dimethylethanolamine 1kg, alkyd resin drier 2kg, deionized water 819kg.
The preparation method is as follows:
1kg dimethylethanolamine is added in 40kg aqueous alkide resin, stirring adds 70kg water after five minutes, stirs evenly；
8kg butyl glycol ether is put into reaction kettle, 20kg 18 is slowly added under stirring by 40 DEG C -60 DEG C of reactor temperature of control
Alkyl toluene sulfonic acids calcium, stirring are slow added into 100kg aqueous silicone acrylic emulsion after five minutes, stir evenly and 160kg water is added；It will
The aqueous alkide resin and dimethylethanolaminesolution solution of former configuration are poured slowly into reaction kettle, are stirred and are sequentially added 10kg
γ-aminopropyltrimethoxysilane, 2kg alkyd resin drier and 589kg deionized water, can be packaged into after mixing evenly
Library.
Hot rolling ribbed steel bar surface treatment method is as follows: the screw-thread steel that 140 DEG C are cooled to after hot rolling is dipped to above-mentioned antirust
60 seconds in liquid.Treated, and screw-thread steel stands 24 hours indoors.
Embodiment 4:
Every 1000kg screw-thread steel antirust solution weighs following raw material according to following:
Aqueous pure-acrylic emulsion 30kg, aqueous alkide resin 80kg, octadecyl barium cresylsulfonate 30kg, butyl
20kg, 3- aminopropyl triethoxysilane 4kg, dimethylethanolamine 1.5kg, alkyd resin drier 5kg, deionized water
829.5kg。
The preparation method is as follows:
1.5kg dimethylethanolamine is added in 80kg aqueous alkide resin, stirring adds 165kg water after five minutes, and stirring is equal
It is even；20kg butyl is put into reaction kettle, is slowly added under stirring by 40 DEG C -60 DEG C of reactor temperature of control
30kg octadecyl barium cresylsulfonate, stirring are slow added into the aqueous pure-acrylic emulsion of 30kg after five minutes, stir evenly and 83kg is added
Water；The aqueous alkide resin of former configuration and dimethylethanolaminesolution solution are poured slowly into reaction kettle, stir and sequentially added
4kg 3- aminopropyl triethoxysilane, 5kg alkyd resin drier and 581.5kg deionized water, can wrap after mixing evenly
It is packed into library.
Hot rolling ribbed steel bar surface treatment method is as follows: the screw-thread steel that 160 DEG C are cooled to after hot rolling is dipped to above-mentioned antirust
120 seconds in liquid.Treated, and screw-thread steel stands 24 hours indoors.
Embodiment 5:
Every 1000kg screw-thread steel antirust solution weighs following raw material according to following:
Waterborne styrene-acrylic emulsion 130kg, aqueous alkide resin 20kg, dinonyl benzene sulfonic acid calcium 10kg, butyl glycol ether 5kg, N-2-
Aminoethyl -3- aminopropyl trimethoxysilane 5kg, dimethylethanolamine 0.8kg, alkyd resin drier 2kg, deionized water
757.2kg。
The preparation method is as follows:
0.8kg dimethylethanolamine is added in 20kg aqueous alkide resin, stirring adds 76kg water after five minutes, and stirring is equal
It is even；5kg butyl glycol ether is put into reaction kettle, 10kg bis- is slowly added under stirring by 40 DEG C -60 DEG C of reactor temperature of control
Nonylbenzene sulfonic acid calcium, stirring are slow added into waterborne styrene-acrylic emulsion 130kg after five minutes, stir evenly and 83kg water is added；By front
The aqueous alkide resin and dimethylethanolaminesolution solution of configuration slowly import in reaction kettle, stir and sequentially add 5kgN-2- ammonia
Ethyl -3- aminopropyl trimethoxysilane, 2kg alkyd resin drier and 598.2kg deionized water, can wrap after mixing evenly
It is packed into library.
Hot rolling ribbed steel bar surface treatment method is as follows: the screw-thread steel that 180 DEG C are cooled to after hot rolling is dipped to above-mentioned antirust
160 seconds in liquid.Treated, and screw-thread steel stands 24 hours indoors.
The appearance of the screw-thread steel of antirust solution before and after the processing is as shown in Figure 1, the wherein left side antirust solution of two screw-thread steels
Processed, the right is not dealt with, and as seen from the figure, the surface on the left side of screw-thread steel forms colorless and transparent film, the film be physics and
Chemically composited conversion film, by measurement, with a thickness of 500 rans.
Its performance test results:
Screw-thread steel without antirust solution processing and antirust solution treated the spiral shell through the preparation of embodiment 1, embodiment 2 and embodiment 3
The neutral salt spray test result of line steel is as shown in table 1 below." artificial atmosphere is rotten referring to GB/T10125-2012(for neutral salt spray test
Erosion experiment salt spray test " NSS test)
Concentration of sodium chloride solution: 50g/L ± 5g/L
PH value: 6.5-7.2
Temperature: 35 DEG C ± 2 DEG C
80cm2Horizontal area average settlement rate: 1.5mL/h ± 0.5mL/h
1 screw-thread steel neutral salt spray test result of table
| The salt mist experiment time/h | It is untreated | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 2 | Corrosion | Non-corroding | Non-corroding | Non-corroding |
| 6 | Corrosion | Non-corroding | Non-corroding | Non-corroding |
| 12 | Corrosion is serious | Non-corroding | Non-corroding | Non-corroding |
| 24 | Corrosion is serious | Non-corroding | Non-corroding | Non-corroding |
| 36 | Corrosion is serious | Non-corroding | A small amount of corrosion | Non-corroding |
| 48 | Corrosion is serious | A small amount of corrosion | A small amount of corrosion | A small amount of corrosion |
Shown by the corrosion resisting property testing result of table 1: the antirust solution being prepared through embodiment 1, embodiment 2 and embodiment 3
Screw thread steel sample after reason by 24 hours neutral salt spray test (GB/T10125-2012,5%NaCl, 35 DEG C) be not in rust
Phenomenon is lost, and untreated screw thread steel sample corrodes in 2 hours.Meanwhile screw thread steel sample after processing is in room
Interior (indoor conditions: 15-25 DEG C of temperature, humidity 40-80%) 12 months non-corrodings of storage.
Screw-thread steel is tried with the bond strength of concrete using the cube drawing without transverse steel before and after the processing through antirust solution
It tests and is tested.Test result is as shown in table 2.
The bond strength of 2 screw-thread steel of table before and after the processing
| Average bond strength/MPa | |
| It is untreated | 25.4 |
| Embodiment 1 | 24.8 |
| Embodiment 2 | 26.6 |
| Embodiment 3 | 24.9 |
Shown by above-mentioned performance test using the corrosion resisting property that can effectively promote screw-thread steel after antirust solution processing of the invention,
And do not influence the bond strength of screw-thread steel and concrete.
Finally, it should be noted that the above embodiment of the present invention is only example to illustrate the invention, and it is not
It is the restriction to embodiment of the present invention.For those of ordinary skill in the art, on the basis of the above description also
Other various forms of variations and variation can be made.Here all embodiments can not be exhaustive.It is all to belong to this
The technical solution changes and variations that derived from of invention are still in the scope of protection of the present invention.
Claims (10)
1. screw-thread steel antirust solution, which is characterized in that be made of each component of following mass percent: aqueous acrylic emulsion 3-
15%；Aqueous alkide resin 2-10%；Alkyl aromatic sulfonic acid salt 0.5-10%；Butyl ether class 0.5-2%；Amino silane 0.1-2.0%；
Dimethylethanolamine 0.05-0.5%；Alkyd resin drier 0.1-1%；Remaining is deionized water.
2. screw-thread steel antirust solution according to claim 1, which is characterized in that the aqueous acrylic emulsion is phenylpropyl alcohol cream
One or more of liquid, pure-acrylic emulsion, silicone acrylic emulsion and acrylate and vinyl acetate emulsion.
3. screw-thread steel antirust solution according to claim 1 or 2, which is characterized in that consolidating for the aqueous acrylic emulsion contains
Amount is 40%.
4. screw-thread steel antirust solution according to claim 1, which is characterized in that the alkyl aromatic sulfonic acid salt is dinonyl
Sodium salt, calcium salt, magnesium salts, the barium salt of benzene sulfonic acid, sodium salt, calcium salt, magnesium salts, barium salt and the dinonyl benzene of octadecyl toluenesulfonic acid
One or more of sulfonic acid and the derivative of octadecyl toluenesulfonic acid.
5. screw-thread steel antirust solution according to claim 1, which is characterized in that the butyl ether class is butyl, two
One or more of propandiol butyl ether and butyl glycol ether.
6. screw-thread steel antirust solution according to claim 1, which is characterized in that the amino silane is γ-aminopropyl front three
Oxysilane, 3- aminopropyl triethoxysilane, N-2- aminoethyl -3- aminopropyl trimethoxysilane, N-2- aminoethyl -3- ammonia
Hydroxypropyl methyl dimethoxysilane, γ-one or more of aminopropyltriethoxy diethoxy silane and its modified product.
7. screw-thread steel antirust solution according to claim 1, which is characterized in that the preferred mass percent of each component is constituted
Are as follows: aqueous acrylic emulsion 15%；Aqueous alkide resin 3%；Alkyl aromatic sulfonic acid salt 2%；Butyl ether class 0.5%；Amino silane
0.5%；Dimethylethanolamine 0.1%；Alkyd resin drier 0.2%；Deionized water 78.7%.
8. the preparation method of screw-thread steel antirust solution, which is characterized in that specifically includes the following steps:
(1) screw-thread steel antirust solution each component stock according to claim 1, wherein deionized water is divided into three parts, and first part is
The 8%-20% of deionized water gross mass, second part of 8%-20% for deionized water gross mass, remaining constitutes third part；
(2) dimethylethanolamine is added simultaneously in stirring aqueous alkide resin, continues to be added first after stirring a period of time after adding
Part deionized water, stirs evenly, obtains solution A；
(3) control temperature of reaction kettle is 40 ~ 60 DEG C, and butyl ether class is put into reaction kettle, is then delayed alkyl aromatic sulfonic acid salt
It is slow to be added in reaction kettle, it stirs while adding, continues stirring a period of time after adding, then aqueous acrylic emulsion is slowly added to
In reaction kettle, it is stirring evenly and then adding into second part of deionized water, finally stirs evenly, obtains solution B；
(4) under stiring, solution A, amino silane, alkyd resin drier are successively slowly added in the solution B into reaction kettle
With third part deionized water, after mixing evenly up to screw-thread steel antirust solution.
9. screw-thread steel surface treatment method, which is characterized in that handled, handled using claim 1 ~ 7 screw-thread steel antirust solution
Mode is to impregnate or spray, and the antirust solution pH value is 8-10；If it is spray, spray time 30-120 seconds, spray pressure
0.5-1.5bar；If it is immersion, soaking time 60-180 seconds；Handling preceding thread steel temperature is 130-200 DEG C, antirust solution temperature
Degree control is between 20-80 DEG C；Rear thread steel is handled to open wide indoors standing preservation 24 hours or more.
10. screw-thread steel surface treatment method according to claim 9, which is characterized in that the pH value of antirust solution utilizes diformazan
Ethylethanolamine or deionized water are adjusted, if dimethylethanolamine, which less than 8, is added, in pH value improves pH value；If pH value is big
In 10, deionized water, which is added, reduces pH value.
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