KR20130132464A - Water-soluble coating for anti-corrosion treatment of oceanic climate-resisting engineering parts and preparing method thereof - Google Patents
Water-soluble coating for anti-corrosion treatment of oceanic climate-resisting engineering parts and preparing method thereof Download PDFInfo
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- KR20130132464A KR20130132464A KR1020137014411A KR20137014411A KR20130132464A KR 20130132464 A KR20130132464 A KR 20130132464A KR 1020137014411 A KR1020137014411 A KR 1020137014411A KR 20137014411 A KR20137014411 A KR 20137014411A KR 20130132464 A KR20130132464 A KR 20130132464A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to an aluminum-zinc-silicon alloy powder, an organic solvent, an oxide nanoparticle reinforcing agent, a deionized water, a binder, a corrosion inhibitor, a dispersant and a thickener, 1.0 to 3.0 g: 1.0 to 3.0 g: 1.0 to 3.0 g: 0.1 to 2.0 mL (weight) : 0.1 to 2.0 g, wherein the aluminum-zinc-silicon alloy powder is composed of elements such as Al, Zn, Si, etc., and provides a coating for a preservative treatment of marine clay-resistant process parts and a method for producing the same.
Description
The present invention relates to a water-soluble aluminum-zinc-silicon paint for antiseptic treatment of marine clay-resistant process parts and a process for their preparation.
The environment in which the process equipment is located in the offshore and offshore is low in rain, high in temperature, high in mist, and strong in air. Also, according to the ISO 9225 environmental evaluation standard, the use environment condition is generally higher than the C5 grade, and it is in an extremely poor environment. Exposed parts are subjected to a combination of strong atmospheric corrosion, electrochemical corrosion and air scour corrosion, so that the service life of various steel structures is much shorter than in an inland outdoor environment. External components such as cabin, engine case, pylon, flange gasket at blade root, connecting bolts, connecting springs, etc., are directly exposed to extreme corrosive atmospheres in wind power plants used under marine climatic conditions, , There is a serious need for the development of the wind power industry to provide new materials for surface treatment of wind turbines with durability exceeding 15 years and new processes.
In addition, the prevention of corrosion of marine steel members is an old problem, and the cost of corrosion prevention and maintenance of various masts and antennas other than housing, deck, etc. is very high. As the speed of infrastructure construction is getting faster, several marine bridges such as Hong Kong-Zhuhai-Macao Bridge are being started or planned in succession. In the design and construction of bridges, the importance of corrosion prevention treatment of steel members of various bridges is increasingly emphasized. For example, in the construction of the Hangzhou Bay Bridge, hundreds of millions of won were used for surface protection treatment.
Therefore, it is urgent to solve the problem of embankment treatment of marine climatic resistant process parts. In the prior art, hot-dip coating of Al-Zn-Si series alloy coating layer on the surface of process parts is an effective way to solve marine climate corrosion, Process. For example, in a patent application filed by the present applicant with 2009102627168 and entitled " Method of Treating Marine Climate-Resistant Process Components "in the patent application, an aluminum casting alloy was used for the embossing treatment, . However, in the above-mentioned invention, the hot-dip coating layer of the present invention has a high process temperature (higher than 800 ° C), easily deforms parts, lacks abrasion resistance, does not have excellent abrasion resistance, has a relatively complicated process and equipment, There is still a great limitation in terms of application, as there is a disadvantage that parts handling and outdoor work are limited.
In addition, metal surface preservation techniques developed in the 1970s, such as the commonly seen zinc-chromate protective coatings in sheet form, have also been used to prevent corrosion of off-site process components. However, these coatings contain hexavalent chromium, so there is constant contamination. In addition, 5% to 10% of chromium anhydride is generally added due to the need for passivation and spotting. Cr6 + is highly toxic and has a carcinogenic action, which is very harmful to the environment and people. In addition, such a coating layer has a hardening temperature of 300 DEG C and a curing time of about 30 minutes, which results in a large energy consumption, a low hardness and a poor wear resistance. Parts are often scratched during transportation, installation and use, thus affecting the appearance and corrosion resistance of the product.
In view of these problems of the prior art, the present invention provides an environmentally friendly, water-soluble, low-temperature curing, weather-resistant aluminum-zinc-silicon paint and a method of manufacturing the same.
The coating composition for antiseptic treatment of marine clay-resistant process parts according to the present invention comprises an aluminum-zinc-silicon alloy powder, an organic solvent, an oxide nanoparticle reinforcing agent, deionized water, a binder, a corrosion inhibitor, a dispersant and a thickener, Corrosion inhibitor: Dispersant: Thickener = 30.0 to 50.0 g: 10.0 to 25.0 mL: 1.0 to 4.0 g: 15.0 to 30.0 mL: 2.0 to 4.0 g Water: zinc-silicon alloy powder: organic solvent: oxide Nanoparticle reinforcing agent: deionized water: 5.0 to 1.0 g: 1.0 to 3.0 g: 0.1 to 2.0 mL: 0.1 to 2.0 g, and the aluminum-zinc-silicon alloy powder is composed of Al, Zn and Si.
The coating composition for antiseptic treatment of marine clay-resistant process parts according to the present invention comprises an aluminum-zinc-silicon alloy powder, an organic solvent, an oxide nanoparticle reinforcing agent, deionized water, a binder, a corrosion inhibitor, a dispersant and a thickener, Corrosion inhibitor: Dispersant: Thickener = 30.0 to 50.0 g: 10.0 to 25.0 mL: 1.0 to 4.0 g: 15.0 to 30.0 mL: 2.0 to 4.0 g Water: zinc-silicon alloy powder: organic solvent: oxide Nanoparticle reinforcing agent: deionized water: Zinc-silicon alloy powder includes three basic elements of Al, Zn, and Si, and magnesium, rare earth, titanium, nickel, Manganese, and the like.
The organic solvent is preferably ethylene glycol.
Preferably, the binder is a boric acid ester coupling agent.
The corrosion inhibitor is preferably boric acid.
The thickening agent is preferably hydroxyethyl cellulose.
The dispersing agent is preferably polysiloxane dipropylene glycol monomethyl ether.
The oxide nanoparticle reinforcing agent may be Al 2 O 3 , SiO 2 Or a combination thereof.
The average particle diameter of the Al 2 O 3 is 15 nm to 60 nm, and the average particle diameter of the SiO 2 is more preferably 25 nm to 70 nm.
It is more preferable that the oxide nanoparticle reinforcing agent is SiO 2 and Al 2 O 3 , and the mass ratio of SiO 2 and Al 2 O 3 is 1: (1 to 3).
The average diameter of the aluminum-zinc-silicon alloy powder is preferably 10 to 200 mu m.
The mass percentage of Zn in the aluminum-zinc-silicon alloy powder is preferably 35% to 58%.
The mass percentage of Si in the aluminum-zinc-silicon alloy powder is preferably 0.3% to 4.0%.
The mass percentage of Mg in the aluminum-zinc-silicon alloy powder is preferably 0.1% to 5.0%.
The mass percentage of RE in the aluminum-zinc-silicon alloy powder is preferably 0.02% to 1.0%.
The mass percentage of Ti in the aluminum-zinc-silicon alloy powder is preferably 0.01% to 0.5%.
The mass percentage of Ni in the aluminum-zinc-silicon alloy powder is preferably 0.1% to 3.0%.
The weight percentage of Mn in the aluminum-zinc-silicon alloy powder is preferably 0.01% to 1.0%.
The balance of each constituent component of the aluminum-zinc-silicon alloy powder is preferably Al and inevitable impurities.
On the other hand, the present invention provides a method for producing a marine anticorrosive process component preservative paint, and according to the above mixing method, take a corrosion inhibitor of quantitative, and put it in quantitative deionized water, and then a binder, dispersant, organic solvent Add, and stir to dissolve, slowly add the aluminum-zinc-silicon alloy powder and the oxide nanoparticle reinforcing agent in a stirring state, add a thickener, and control the temperature of the oil bath to 20 ° C. to 30 ° C. in the stirring process, Stir for 0.5 h to 1 h.
The present invention has for the first time developed water-soluble, non-chromium, low-temperature curing, weather-resistant Al-Zn-Si alloy coatings through optimization of constituents and the like. The coating material is environmentally friendly, has a stable state, and has low energy consumption when forming a coating layer.
The water-soluble aluminum-zinc-silicon coating according to the present invention is out of the limit that the aluminum-zinc-silicon coating layer is formed mainly by the hot-dip plating method. In comparison with the process such as hot dip coating, the present invention can form a coating layer on the surface of a component by the method of spray coating, brush coating or the like by preparing a metal coating by adding a binder, a dispersant, an organic solvent, (200 ° C), the process temperature of the hot-dip coating of the alloy coating layer is high (higher than 600 ° C), and the deformation of parts and the mechanical performance are lowered. It is possible to form a coating layer on the surface of the parts by using spray coating, brush coating, etc., and the process method and equipment are simple, which is suitable for the treatment of complicated large parts, and the application range of the paint is broadened.
The process parts that have been treated with the coating layer of the present invention have many excellent performances such as excellent corrosion resistance and excellent scouring resistance performance and are very excellent in high temperature corrosion resistance and the appearance of the coating layer is not changed even if it is exposed for a long time under high temperature conditions. The coating layer produced according to the present invention has strong bonding force with a base material, excellent corrosion resistance, excellent abrasion resistance, and long service life. In addition, the coating layer has a relatively strong adhesion force with the metal substrate, has a relatively good bonding force with other various additional coating layers, has not only a good matte gray color but also a coating layer to achieve various colors. At the same time, And the self - hardness is relatively low.
Furthermore, the corrosion resistance, abrasion resistance, and scour resistance of the coating layer are significantly improved as compared with the hot-dip aluminum-zinc-silicon coating layer and the zinc-aluminum coating layer by producing the aluminum-zinc- And it has been applied to the harsh environment of marine corrosive with high salinity and air current, and thus provides an excellent protection method for excellent performance for important process parts such as wind power generation and ship.
Taken together, the paint for the antiseptic treatment of the marine clay-resistant process parts developed by the present invention and the manufacturing method thereof solve the problem of marine corrosion of the process parts, and the application prospect of important application in the corrosion process of industrial equipment such as offshore process and offshore wind power I have.
The present invention provides a water-soluble aluminum-zinc-silicon paint for antiseptic treatment of marine clay-resistant process parts, which comprises an aluminum-zinc-silicon alloy powder, an organic solvent, an oxide nanoparticle reinforcer, deionized water, , Dispersants and thickeners.
The contents of the respective components of the present invention are not limited to the values listed in this table, and those skilled in the art will appreciate that the numerical values listed in the table Generalizations and inferences can be performed in a reasonable range based on the range.
[Table 1] Coating ratios
Hereinafter, in combination with Tables 2 to 33, the preferred embodiments of the mass percentage of each component of the aluminum-zinc-silicon alloy powder of the present invention are exemplified. However, the components of each component of the aluminum- The content is not limited to the values listed in these tables. It should be noted that although the mass percentage values of the relevant components are listed in Tables 2 to 33, this is by no means an essential technical feature and is only a more preferred condition, And is not described as an essential component of the present invention.
[Table 2] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, and the mass percentage content (%)
[Table 3] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, and the mass percentage content (%)
[Table 4] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si and RE, and the mass percentage content (%)
[Table 5] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Ti, and the mass percentage content (%)
[Table 6] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si and Ni, and the mass percentage content (%)
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si and Mn, and the mass percentage content (%) of each component is shown in Table 7. [
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, and RE, and has a mass percentage content (%) of each component.
[Table 9] The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg and Ti, and the mass percentage content (%)
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, and Ni, and has a mass percentage content (%) of each component.
[Table 11] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg and Mn, and the mass percentage content (%)
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, RE, and Ti, and the mass percentage content (%)
[Table 13] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, RE and Ni, and the mass percentage content (%
[Table 14] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, RE and Mn, and the mass percentage content (%)
[Table 15] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Ti and Ni, and the mass percentage content (%)
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Ti, and Mn, and the mass percentage content (%)
[Table 17] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Ni and Mn, and the mass percentage content (%)
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE, and Ti, and the mass percentage content (%
[Table 19] The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE and Ni, and the mass percentage content (%
[Table 20] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE and Mn, and mass%
[Table 21] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, Ti and Ni, and the mass percentage content (%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, Ti and Mn, and the mass percentage content (%)
[Table 23] The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, Ni and Mn, and the mass percentage content (%
[Table 24] The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, RE, Ti and Ni, and the mass percentage content (%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, RE, Ti and Mn, and the mass percentage content (%)
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, RE, Ni and Mn, and the mass percentage content (%)
[Table 27] Aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Ti, Ni and Mn, and the mass percentage content (%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE, Ti and Ni, and the mass percentage content (%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE, Ti, and Mn, and the mass percentage content (%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE, Ni and Mn, and the mass percentage percentage (%
[Table 31] The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, Ti, Ni and Mn, and the mass%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE, Ti, Ni and Mn, and the mass percentage content (%
The aluminum-zinc-silicon alloy powder is composed of Al, Zn, Si, Mg, RE, Ti, Ni and Mn, and the mass%
On the other hand, the present invention further provides a process for producing an environmentally friendly water-soluble aluminum-zinc-silicone paint for antiseptic treatment of marine climate resistant process parts, and according to the above mixing method, after taking a quantitative corrosion inhibitor and putting it into quantitative deionized water , A caking additive, a dispersant, and an organic solvent were added, stirred, and dissolved. The aluminum-zinc-silicon alloy powder and the oxide nanoparticle reinforcing agent were slowly added while stirring, and then the thickener was added thereto. The temperature is controlled at 0 ° C to 30 ° C and stirred for 0.5h to 1h.
[Experimental performance data]
The original "generalized" protection of the "connecting bolts" (material 40CrNiMo), which is a major part of the offshore wind power generation system, resulted in significant erosion in only a few months. Coatings of various coating materials of the present invention were coated to form a coating layer having a thickness of 20 탆 and then coated with a polysiloxane having a thickness of 15 탆 and subjected to simulated accelerated corrosion tests. As a result, all of the main performance indicators in the marine environment Of the population.
Neutral Warm Corrosion Life: over 1600 hours
300 ℃ Humidity Resistance: 240 hours
Coating layer binding force: 50 N
Ammonium nitrate Corrosion accelerated life: over 8 hours
Marine climate Internal life expectancy: over 20 years (accelerated test)
Claims (10)
The coating material may be selected from the group consisting of aluminum-zinc-silicon alloy powder, organic solvent, nano-oxide particle reinforcing agent, deionized water, binder, corrosion inhibitor, dispersant and thickener,
Lt; / RTI >
The mixing ratio of the paint is aluminum-zinc-silicon alloy powder: organic solvent: oxide nanoparticle reinforcing agent: deionized water: binder: corrosion inhibitor: dispersant: thickener = 30.0 to 50.0 g: 10.0 to 25.0 mL: 1.0 to 4.0 g: 15.0-30 mL: 2.0-5.0 g: 1.0-3.0 g: 0.1-2.0 mL: 0.1-2.0 g,
Wherein the aluminum-zinc-silicon alloy powder comprises Al, Zn, Si,
Coatings for antiseptic treatment of marine clay resistant components.
The coating material may be an aluminum-zinc-silicon alloy powder, an organic solvent, an oxide nanoparticle reinforcing agent, deionized water, a binder, a corrosion inhibitor,
Lt; / RTI >
The mixing ratio of the paint is aluminum-zinc-silicon alloy powder: organic solvent: oxide nanoparticle reinforcing agent: deionized water: binder: corrosion inhibitor: dispersant: thickener = 30.0-50.0 g: 10.0-25.0 mL: 1.0-4.0 g: 15.0-30 mL: 2.0-5.0 g: 1.0-3.0 g: 0.1-2.0 mL: 0.1-2.0 g, the aluminum-zinc-silicon alloy powder contains three basic elements of Al, Zn, Si, magnesium, One or more elements selected from rare earths, titanium, nickel and manganese
Paint for antiseptic treatment of marine climate resistant process parts further comprising.
Wherein the organic solvent is ethylene glycol, the viscous solution is a boric acid ester coupling agent, the corrosion inhibitor is boric acid, the thickener is hydroxyethylcellulose,
Wherein the dispersant is a polysiloxane dipropylene glycol monomethyl ether.
The oxide nanoparticle reinforcing agent may be Al 2 O 3 , SiO 2 Paint for antiseptic treatment of marine climate resistant process parts which is 1 or 2 types chosen from.
Wherein said Al 2 O 3 has an average particle diameter of 15 nm to 60 nm and said SiO 2 has an average particle diameter of 25 nm to 70 nm.
The oxide nanoparticles reinforcing agent is SiO 2 and Al 2 O 3, the weight ratio of the SiO 2 and Al 2 O 3 is from 1: preservation of the coating material (1-3) in marine weather resistance step part.
Wherein the aluminum-zinc-silicon alloy powder has an average diameter of 10 탆 to 200 탆.
The mass percentage of each component of the aluminum-zinc-silicon alloy powder is Zn: 35-58%, Si: 0.3-4.0%, Mg: 0.1-5.0%, RE: 0.02-1.0%, Ti: 0.01-0.5% Paint for antiseptic treatment of marine climate resistant process parts, Ni: 0.1-3.0%, Mn: 0.01-1.0%.
A coating material for antiseptic treatment of marine climate resistant process parts, wherein the remainder of each component of said aluminum-zinc-silicon alloy powder is Al and an unavoidable impurity.
According to the compounding method, a quantitative corrosion inhibitor is taken and placed in quantitative deionized water, followed by addition of a caking additive, a dispersant, an organic solvent, stirring to dissolve, and stirring the aluminum-zinc-silicon alloy powder and the oxide nanoparticles. After slowly adding the reinforcing agent, a thickener was added, and the temperature of the oil bath was controlled to 20 ° C. to 30 ° C. during the stirring process, followed by stirring for 0.5 h to 1 h,
Process for the preparation of paints for the antiseptic treatment of marine clay resistant process parts.
Applications Claiming Priority (3)
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CN201010531689.2 | 2010-11-04 | ||
CN201010531689 | 2010-11-04 | ||
PCT/CN2010/079676 WO2012058839A1 (en) | 2010-11-04 | 2010-12-10 | Water-soluble coating for anti-corrosion treatment of oceanic climate-resisting engineering parts and preparing method thereof |
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