CN103555104B - The special macromolecular material of steel anti-corrosive and its preparation method and application technique - Google Patents
The special macromolecular material of steel anti-corrosive and its preparation method and application technique Download PDFInfo
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- CN103555104B CN103555104B CN201310498717.9A CN201310498717A CN103555104B CN 103555104 B CN103555104 B CN 103555104B CN 201310498717 A CN201310498717 A CN 201310498717A CN 103555104 B CN103555104 B CN 103555104B
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Abstract
The invention discloses the special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 1% ~ 5% defoamer, 1% ~ 5% dispersion agent, 1% ~ 5% rust-preventive agent, 1% ~ 5% sanitas, 30% ~ 60% water-borne acrylic resin, 5% ~ 15% water-based saturated polyester resin, 1% ~ 5% mill base, all the other are water.The invention also discloses preparation method and application's technique of described macromolecular material.Amount of residual heat will after macromolecular material provided by the present invention can utilize iron and steel parts to process efficiently, obtain one deck strong adhesion, macromolecule membrane that compactness is good by vapour deposition and heat polymerization at surface of steel workpiece, thus improve the erosion resistance of iron and steel parts.Polymer materialspreparation method operation provided by the present invention is simple and easy; Application art is simple, can form a complete production network with forging equipment and equipment for Heating Processing, reduces productive labor intensity, reduces energy consumption, raise the efficiency, and cost is low, safety and environmental protection.
Description
Technical field
The present invention relates to steel anti-corrosive technical field, be specifically related to the special macromolecular material of a kind of steel anti-corrosive and its preparation method and application technique.
Background technology
Iron and steel parts, after forging process, often needs to carry out antirust, anti-corrosive process, improves the non-corrosibility of workpiece with this.Traditional technique is that soda boiling is turned blue, and namely utilizes NaOH, NaNO
2, Na
3pO
4one deck Fe is formed at steel surface Deng strong oxidizer
3o
4film, this layer film can stop the oxidation corrosion of iron and steel inside, thus plays the effect of protection workpiece.But the technique pretreatment procedure that soda boiling is turned blue is very loaded down with trivial details, technique power consumption is large, and efficiency is low, and Working environment is disliked slightly simultaneously, seriously polluted.At present, soda boiling turn blue technique gradually replace by warm blackening more than energy-conserving and environment-protective more.
Yu Wen turns black, and namely utilizes the waste heat of workpiece and the heat polymerization of polymer substance in thermal treatment process to form one deck rete fast at steel surface, thus slows down or stop corrosion of metal, strengthens the antiseptic power of metal.Remaining warm blackening can utilize the amount of residual heat will in thermal treatment process entrained by workpiece efficiently, efficient energy-saving, and technique is simple simultaneously, safety and environmental protection.Based on above advantage, remaining temperature blackening obtains at present to be used widely.But the utilization of Yu Wen blackout also has to be worth improving part, and the adhesive force that mainly this technique obtains is not often very desirable, the compactness of film is unstable simultaneously.
Summary of the invention
The object of this invention is to provide the special macromolecular material of a kind of steel anti-corrosive, solve the adhesive force obtained in remaining warm blackening in prior art not high, the deficiencies such as the compactness of film is unstable simultaneously.Present invention also offers preparation method and application's technique of this macromolecular material.
For solving the problem, the present invention by the following technical solutions:
The special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 1% ~ 5% defoamer, 1% ~ 5% dispersion agent, 1% ~ 5% rust-preventive agent, 1% ~ 5% sanitas, 30% ~ 60% water-borne acrylic resin, 5% ~ 15% water-based saturated polyester resin, 1% ~ 5% mill base, all the other are water, wherein, the viscosity of water-borne acrylic resin is 500 ~ 5000mPas, and second-order transition temperature is 70 ~ 100 DEG C; The viscosity of water-based saturated polyester resin is 3500 ~ 5500mpas.
The preparation method of the special macromolecular material of above-mentioned steel anti-corrosive, comprise the steps: the water adding formula ratio, the defoamer adding formula ratio afterwards stirs 5 ~ 10min, the dispersion agent adding formula ratio stirs 10 ~ 30min, the rust-preventive agent adding formula ratio stirs 10 ~ 30min, the sanitas adding formula ratio stirs 10 ~ 30min, the water-borne acrylic resin adding formula ratio stirs 30 ~ 90min, the water-based saturated polyester resin adding formula ratio stirs 30 ~ 60min, and the mill base adding formula ratio stirs 60 ~ 120min.
The application art of the special macromolecular material of above-mentioned steel anti-corrosive, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 8% ~ 12%;
Iron and steel parts, after forging processing, is directly immersed in 2 ~ 5min in the solution of the special macromolecular material of steel anti-corrosive that step one obtains by step 2, iron and steel parts, and wherein forging processing temperature is 700 ~ 1000 DEG C; Or iron and steel parts is after tempering process, directly iron and steel parts is immersed in 20s ~ 2min in the solution of the special macromolecular material of steel anti-corrosive that step one obtains, wherein tempering process temperature is 200 DEG C ~ 550 DEG C;
Step 3, iron and steel parts step 2 obtained utilize 120 DEG C ~ 150 DEG C hot blasts to dry.
Beneficial effect of the present invention:
1, obtain gas-phase deposition after the present invention utilizes organic polymer to be at high temperature atomized, ensure the high compactness of gained film with this; Utilize heat for motivating force simultaneously, make macromolecule filming component generation heat polymerization, make obtained film be adsorbed on surface of steel workpiece firmly, namely improve adhesion of thin film, thus improve the erosion resistance of iron and steel parts.Macromolecular material of the present invention does not limit by color simultaneously.
2, substituting conventional alkaline to turn blue technique, without discharge, is process for cleanly preparing, simple and practical, than old energy saving technology water saving, decontamination, often processes 1t workpiece and can to economize on electricity 100 ~ 150kWh, water saving 10m
3, reduce discharging acidic and alkaline waste water 7 ~ 8m
3, eliminate the harm of the objectionable impuritiess such as nitrite to human body, cost is 1/6 ~ 1/5 of old technique, economic benefit, obvious environment benefit simultaneously.
3, the present invention is water-based system, and therefore during adjustment concentration, thinner used is water, simple, pollution-free.
4, the present invention utilizes the rear workpiece of forging processing and the amount of residual heat will entrained by tempering process efficiently, reduces energy consumption.
5, operation of the present invention is simple, and can form a complete production network with forging processing units or equipment for Heating Processing, efficiency is high, and cost is low.
6, use the present invention, without pickling before iron and steel parts process, need not rinse after process, three-waste free discharge, safety and environmental protection.
7, utilize the iron and steel parts use temperature scope after process of the present invention unrestricted, resistance of aging is strong.
Embodiment
Below in conjunction with embodiment the present invention done and further explain.The following example only for illustration of the present invention, but is not used for limiting practical range of the present invention.
The special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 1% ~ 5% defoamer, 1% ~ 5% dispersion agent, 1% ~ 5% rust-preventive agent, 1% ~ 5% sanitas, 30% ~ 60% water-borne acrylic resin, 5% ~ 15% water-based saturated polyester resin, 1% ~ 5% mill base, all the other are water.
The viscosity of water-borne acrylic resin is 500 ~ 5000mPas, and second-order transition temperature is 70 ~ 100 DEG C, and that embodiment adopts is the SX-0804 that Foshan four is liked environment-friendly materials company limited and provided.The viscosity of water-based saturated polyester resin is 3500 ~ 5500mpas, and that embodiment adopts is the wp530 that Guangzhou Chan Xie polymer company provides.
Following examples, what defoamer adopted is, and Dow Corning Corporation provides 1410 or 1530, dispersion agent adopts be AEO-10, rust-preventive agent that the Dow Chemical Company provides adopt be that TEA, the sanitas that the Dow Chemical Company provides is Sodium Benzoate, mill base adopts is the L360-84 that Suzhou Sunmun Technology Co., Ltd. provides.
The above-mentioned steel anti-corrosive special macromolecular material technological process of production is as follows: the water adding formula ratio, the defoamer adding formula ratio afterwards stirs 5 ~ 10min, the dispersion agent adding formula ratio stirs 10 ~ 30min, the rust-preventive agent adding formula ratio stirs 10 ~ 30min, the sanitas adding formula ratio stirs 10 ~ 30min, the water-borne acrylic resin adding formula ratio stirs 30 ~ 90min, the waterborne polyurethane resin adding formula ratio stirs 30 ~ 60min, and the mill base adding formula ratio stirs 60 ~ 120min.
The application art of the special macromolecular material of above-mentioned steel anti-corrosive, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 8% ~ 12%, and the concrete concentration that is applicable to must be determined according to practical condition;
Iron and steel parts, after forging processing, is directly immersed in the solution of the special macromolecular material of steel anti-corrosive that step one obtains and carries out rotproofing 2 ~ 5min by step 2, iron and steel parts, and wherein forging processing temperature is 700 ~ 1000 DEG C; Or iron and steel parts is after tempering process, is directly immersed in by iron and steel parts in the solution of the special macromolecular material of steel anti-corrosive that step one obtains and carries out rotproofing 20s ~ 2min, wherein tempering process temperature is 200 DEG C ~ 550 DEG C;
Step 3, iron and steel parts step 2 obtained utilize 120 DEG C ~ 150 DEG C hot blasts to dry.
The sematic color of iron and steel parts can be allocated voluntarily according to mill base, the even film layer obtained and thin, about 15-20um.
Embodiment 1
The special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 3% defoamer, 4% dispersion agent, 2% rust-preventive agent, 3% sanitas, 50% water-borne acrylic resin, 10% water-based saturated polyester resin, 3% mill base, all the other are water.
The special macromolecular material of above-mentioned steel anti-corrosive is used for iron and steel parts rotproofing, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 10%;
Iron and steel parts, after forging processing, is directly immersed in the solution of the special macromolecular material of steel anti-corrosive that step one obtains and carries out rotproofing 5min by step 2, iron and steel parts, and wherein forging processing temperature is 1000 DEG C;
Step 3, iron and steel parts step 2 obtained utilize 140 DEG C of hot blasts to dry.
Even film layer prepared by the present embodiment, mean thickness is 17.5um.
Embodiment 2
The special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 1% defoamer, 5% dispersion agent, 5% rust-preventive agent, 1% sanitas, 40% water-borne acrylic resin, 10% water-based saturated polyester resin, 3% mill base, all the other are water.
The special macromolecular material of above-mentioned steel anti-corrosive is used for iron and steel parts rotproofing, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 10%;
Step 2, iron and steel parts are after tempering process, and be directly immersed in by iron and steel parts in the solution of the special macromolecular material of steel anti-corrosive that step one obtains and carry out rotproofing 2min, wherein tempering process temperature is 550 DEG C;
Step 3, iron and steel parts step 2 obtained utilize 140 DEG C of hot blasts to dry.
Even film layer prepared by the present embodiment, mean thickness is 17um.
Embodiment 3
The special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 1% defoamer, 1% dispersion agent, 1% rust-preventive agent, 1% sanitas, 30% water-borne acrylic resin, 5% water-based saturated polyester resin, 1% mill base, all the other are water.
The special macromolecular material of above-mentioned steel anti-corrosive is used for iron and steel parts rotproofing, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 8%;
Iron and steel parts, after forging processing, is directly immersed in the solution of the special macromolecular material of steel anti-corrosive that step one obtains and carries out rotproofing 2min by step 2, iron and steel parts, and wherein forging processing temperature is 700 DEG C;
Step 3, iron and steel parts step 2 obtained utilize 120 DEG C of hot blasts to dry.
Even film layer prepared by the present embodiment, mean thickness is 16.5um.
Embodiment 4
The special macromolecular material of a kind of steel anti-corrosive, by mass percentage, composed of the following components: 5% defoamer, 5% dispersion agent, 5% rust-preventive agent, 5% sanitas, 60% water-borne acrylic resin, 15% waterborne polyurethane resin, 5% mill base, all the other are water.
The special macromolecular material of above-mentioned steel anti-corrosive is used for iron and steel parts rotproofing, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 12%;
Step 2, iron and steel parts are after tempering process, and be directly immersed in by iron and steel parts in the solution of the special macromolecular material of steel anti-corrosive that step one obtains and carry out rotproofing 20s, wherein tempering process temperature is 200 DEG C;
Step 3, iron and steel parts step 2 obtained utilize 150 DEG C of hot blasts to dry.
Even film layer prepared by the present embodiment, mean thickness is 18.5um.
Performance test
Following performance test is carried out to the iron and steel parts after embodiment 1 ~ 4 processes.
Compactness, rust-preventing characteristic, non-corrosibility are with reference to standard GB/T/T15519-2002:
Compactness: the iron and steel parts massfraction after each embodiment process is that 3% copper-bath drop keeps 12min, all without erythema.
Rust-preventing characteristic: the iron and steel parts massfraction after each embodiment process is 3% sodium chloride solution leaching 60min, all without rust staining.
Non-corrosibility: the iron and steel parts massfraction after each embodiment process is that 5% oxalic acid solution drop keeps 12min, all corrosion-free spot.
Sticking power: by with reference to standard GB/T/T9286-1998 " cross cut test of paint and varnish paint film ", be 0 grade through checking each embodiment grade.
Claims (3)
1. the special macromolecular material of steel anti-corrosive, is characterized in that, by mass percentage, composed of the following components: 1% ~ 5% defoamer, 1% ~ 5% dispersion agent, 1% ~ 5% rust-preventive agent, 1% ~ 5% sanitas, 30% ~ 60% water-borne acrylic resin, 5% ~ 15% water-based saturated polyester resin, 1% ~ 5% mill base, all the other are water, wherein, the viscosity of water-borne acrylic resin is 500 ~ 5000mPas, and second-order transition temperature is 70 ~ 100 DEG C; The viscosity of water-based saturated polyester resin is 3500 ~ 5500mPas.
2. the preparation method of the special macromolecular material of steel anti-corrosive described in claim 1, it is characterized in that, comprise the steps: the water adding formula ratio, the defoamer adding formula ratio afterwards stirs 5 ~ 10min, the dispersion agent adding formula ratio stirs 10 ~ 30min, the rust-preventive agent adding formula ratio stirs 10 ~ 30min, the sanitas adding formula ratio stirs 10 ~ 30min, the water-borne acrylic resin adding formula ratio stirs 30 ~ 90min, the water-based saturated polyester resin adding formula ratio stirs 30 ~ 60min, and the mill base adding formula ratio stirs 60 ~ 120min.
3. the application art of the special macromolecular material of steel anti-corrosive described in claim 1, comprises the steps:
Step one, by special for described steel anti-corrosive macromolecular material dilute with water, wherein the mass concentration of the special macromolecular material of steel anti-corrosive is 8% ~ 12%;
Iron and steel parts, after forging processing, is directly immersed in 2 ~ 5min in the solution of the special macromolecular material of steel anti-corrosive that step one obtains by step 2, iron and steel parts; Or iron and steel parts is after tempering process, directly iron and steel parts is immersed in 20s ~ 2min in the solution of the special macromolecular material of steel anti-corrosive that step one obtains;
Step 3, the iron and steel parts hot-air seasoning that step 2 is obtained.
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| CN106011830B (en) * | 2016-07-29 | 2018-03-30 | 南京科润新材料技术有限公司 | One kind emulsification hair blackening liquid |
| CN107699075A (en) * | 2017-09-23 | 2018-02-16 | 宁波英博灵工精密机械有限公司 | A kind of piston rod processing technology |
| CN108300173A (en) * | 2018-02-07 | 2018-07-20 | 东南大学 | A kind of steel surface low temperature exhaust heat blackening agent for surface and its methods for making and using same |
| CN110527397A (en) * | 2018-05-24 | 2019-12-03 | 中山市珍视新材料科技有限公司 | A kind of aqueous steel surface blackening agent for surface and preparation method thereof |
| CN109021800A (en) * | 2018-07-20 | 2018-12-18 | 中山市珍视新材料科技有限公司 | A kind of environment-friendly water-based steel coloring oils one-pass molding preparation |
| CN110643986A (en) * | 2019-10-30 | 2020-01-03 | 湖南金裕环保科技有限公司 | Residual heat blackening agent, preparation method and use method |
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