Steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint as well as preparation method, application and construction method thereof

Abstract

The invention provides a steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint as well as a preparation method, application and a construction method thereof, and belongs to the field of building materials. Reflection and radiation materials and phase-change materials such as nanometer aluminum oxide, nanometer silicon-based oxide, nanometer yttrium oxide, glass microspheres and nanometer vanadium dioxide are added into the steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint disclosed by the invention; the hemispherical emissivity, the medium-brightness sunlight reflectance, the near-infrared light reflectance and the phase-change intelligent temperature-adjusting function of the phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint on the steel surface are synergistically enhanced; by adding the derusting agent, the anti-flash-rust agent, the multifunctional anti-rust powder, the zinc phosphate, the aluminum triphosphate and the mica powder, the anti-corrosion and anti-rust effects of the steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint are improved. Results of the embodiment show that the steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint is excellent in anti-corrosion and anti-rust effects.

Description

Technical Field

[0001] The present invention relates to the field of construction, and in particular to a phase-changing intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for steel surfaces, and a preparation method, application and construction method thereof. Background Art

[0002] In my country's hot summer and cold winter areas, the summer temperature is high for about six months, and in hot summer and cold winter areas, the summer temperature is high for about three months. The national standard GB50176-2016 "Code for Thermal Design of Civil Buildings" stipulates that exterior wall insulation design must be carried out.

[0003] In order to achieve the purpose of heat insulation of exterior walls in the prior art, the hemispherical emissivity, medium brightness sunlight reflectance and near infrared light reflectance of the paint sprayed on the building surface are all low. Summary of the Invention

[0004] The purpose of the present invention is to provide a phase-changing intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for steel surface, and its preparation method, application and construction method. The phase-changing intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for steel surface of the present invention not only has excellent anti-corrosion and anti-rust effects on the steel surface, but also has high hemispherical emissivity, medium-brightness sunlight reflectance and near-infrared light reflectance, and has a phase-changing intelligent temperature-regulating function.

[0005] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0006] The present invention provides a phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surfaces, which is characterized by comprising the following components in parts by mass:

[0007] 100-400 parts of water, 200-500 parts of water-based alkyd resin emulsion, 5-20 parts of dispersant, 2-10 parts of wetting agent, 3-10 parts of defoaming agent, 2-5 parts of bactericidal preservative, 10-25 parts of antifreeze, 10-25 parts of film-forming agent, 2-5 parts of neutralizing agent, 100-200 parts of rutile titanium dioxide, 25-100 parts of mica powder, 25-100 parts of nano-alumina, 25-150 parts of silicon-based oxide, 10-50 parts of nano-yttrium oxide, 50-150 parts of nano-vanadium dioxide, 10-100 parts of glass microspheres, 10-100 parts of rust remover, 5-50 parts of anti-flash rust agent, 50-250 parts of multifunctional anti-rust powder, 25-150 parts of zinc phosphate, 25-100 parts of aluminum tripolyphosphate, 2-10 parts of leveling agent, 10-100 parts of fluorosilicone additive;

[0008] The solid content of the water-based alkyd resin emulsion is 45-70%.

[0009] Preferably, it is characterized in that the dispersant includes 731A dispersant, the wetting agent includes PE100, The elimination The foaming agent includes 309 defoaming agent, and the particle size of the mica powder is 2500 meshes.

[0010] Preferably, the particle size of the nano silicon-based oxide is 30 nanometers.

[0011] Preferably, the bactericidal preservative includes S201 bactericidal preservative, the antifreeze includes propylene glycol, and the particle size of the nano yttrium oxide is 50 nanometers.

[0012] Preferably, the neutralizer includes AMP-95 pH regulator, the rust remover includes sodium nitrite, and the particle size of the nano-vanadium dioxide is 50 nanometers.

[0013] Preferably, the thermal conductivity of the glass microspheres is ≤0.03w / (m·k); the anti-flash rust agent includes zinc acetate dihydrate, and the multifunctional anti-rust powder includes silicon dioxide.

[0014] Preferably, the fluorosilicone additive includes dimethyl silicone oil.

[0015] The present invention also provides a method for preparing the phase-changing intelligent temperature-adjusting water-based anticorrosive and antirust paint for steel surfaces described in the above technical solution, comprising the following steps:

[0016] Firstly mixing water, a dispersant, a wetting agent, a defoaming agent, a bactericidal preservative, an antifreeze agent, a neutralizer, a rust remover, an anti-flash rust agent, a multifunctional anti-rust powder, zinc phosphate, aluminum tripolyphosphate, rutile titanium dioxide, mica powder, nano-alumina, nano-yttrium oxide, and nano-vanadium dioxide to obtain a slurry;

[0017] The slurry is mixed with a water-based alkyd resin emulsion, a film-forming agent, nano-silicon-based oxides, and glass microspheres for a second time, and then mixed with a leveling agent and a fluorosilicone additive for a third time to obtain the phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for the steel surface.

[0018] The present invention also provides the application of the steel surface phase-change intelligent temperature-regulating water-based anticorrosive and antirust paint described in the above technical solution or the steel surface phase-change intelligent temperature-regulating water-based anticorrosive and antirust paint prepared by the preparation method described in the above technical solution in the field of building materials.

[0019] The present invention also provides a method for applying phase-change intelligent temperature-regulating water-based anticorrosive and antirust paint on the surface of steel, comprising the following steps:

[0020] Directly spraying phase-change intelligent temperature-adjustable water-based anti-corrosion and anti-rust paint on the steel surface;

[0021] The steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint is the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint described in the above technical solution or the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint prepared by the preparation method described in the above technical solution.

[0022] The steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint of the present invention adds radiation materials nano-alumina and nano-yttrium oxide, reflective materials nano-silicon-based oxide and glass microspheres, and phase-change material nano-vanadium dioxide, which synergistically enhance the spherical emissivity, medium-brightness sunlight reflectance, near-infrared light reflectance and phase-change intelligent temperature-regulating function of the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint. The results of the embodiments show that the hemispherical emissivity of the phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint on the surface of steel of the present invention is ≥90%, the medium-brightness sunlight reflectance is ≥70%, and the near-infrared light reflectance is ≥75%. In summer, when the outdoor air temperature is ≥35°C, the surface temperature of the steel surface coating directly irradiated by sunlight is ≤40°C, and the temperature difference between the inside and outside surfaces of the factory or container is small, which reduces the heat transfer from the surface of the steel coating to the indoor room, thereby improving the indoor coolness and comfort in summer; in winter, when the outdoor air temperature is ≤15°C, the surface temperature of the steel surface coating is ≥15°C, and the inside and outside surface temperatures of the factory or container are basically the same, which reduces the heat transferred from the indoor to the outdoor, thereby improving the indoor warmth and comfort in winter. DETAILED DESCRIPTION

[0023] The present invention provides a phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surfaces, which comprises the following components in parts by mass:

[0024] 100-400 parts of water, 200-500 parts of water-based alkyd resin emulsion, 5-20 parts of dispersant, 2-10 parts of wetting agent, 3-10 parts of defoaming agent, 2-5 parts of bactericidal preservative, 10-25 parts of antifreeze, 10-25 parts of film-forming agent, 2-5 parts of neutralizing agent, 100-200 parts of rutile titanium dioxide, 25-100 parts of mica powder, 25-100 parts of nano-alumina, 25-150 parts of silicon-based oxide, 10-50 parts of nano-yttrium oxide, 50-150 parts of nano-vanadium dioxide, 10-100 parts of glass microspheres, 10-100 parts of rust remover, 5-50 parts of anti-flash rust agent, 50-250 parts of multifunctional anti-rust powder, 25-150 parts of zinc phosphate, 25-100 parts of aluminum tripolyphosphate, 2-10 parts of leveling agent, 10-100 parts of fluorosilicone additive;

[0025] The solid content of the water-based alkyd resin emulsion is 45-70%.

[0026] The steel surface phase change intelligent temperature regulating water-based anticorrosive and antirust paint comprises 100 to 400 parts of water, preferably 120 parts, 150 parts, 180 parts, 200 parts, 250 parts, 280 parts, 300 parts, 320 parts, 350 parts or 380 parts by mass;

[0027] In parts by mass, the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint includes 200 to 500 parts of water-based alkyd resin emulsion, preferably 250 parts, 300 parts, 350 parts, 400 parts or 450 parts; the solid content of the water-based alkyd resin acrylic emulsion is 45 to 50%.

[0028] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 5 to 20 parts of dispersant, preferably 8 parts, 10 parts, 12 parts, 16 parts or 18 parts; the dispersant preferably includes 731A dispersant.

[0029] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 2 to 10 parts of a wetting agent, preferably 4 parts, 5 parts, 7 parts or 8 parts, and the wetting agent preferably includes PE100.

[0030] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes a defoaming agent 3 to 10 parts, preferably 4 parts, 5 parts, 7 parts or 8 parts; the defoaming agent preferably includes 309 defoaming agent.

[0031] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anticorrosive and antirust paint includes 2 to 5 parts of a bactericidal preservative, preferably 3 to 4 parts; the bactericidal preservative preferably includes S201 bactericidal preservative.

[0032] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 10 to 25 parts of antifreeze, preferably 12 parts, 15 parts, 18 parts or 20 parts; the antifreeze preferably includes propylene glycol.

[0033] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 10 to 25 parts of a film-forming agent, preferably 12 parts, 15 parts, 18 parts or 20 parts; the film-forming agent preferably includes dodecyl alcohol ester.

[0034] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 2 to 5 parts of a neutralizer, preferably 3 to 4 parts; the neutralizer preferably includes an AMP-95 PH regulator.

[0035] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 10 to 100 parts of a rust remover, preferably 20 parts, 30 parts, 40 parts, 50 parts, 60 parts, 70 parts, 80 parts or 90 parts; the rust remover includes sodium nitrite.

[0036] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 5 to 50 parts of an anti-flash rust agent, preferably 10 parts, 20 parts, 30 parts or 40 parts; the anti-flash rust agent preferably includes zinc acetate dihydrate.

[0037] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 50 to 250 parts of multifunctional anti-rust powder, preferably 75 parts, 100 parts, 120 parts, 150 parts, 180 parts or 200 parts, and the multifunctional anti-rust powder preferably includes silicon dioxide.

[0038] Calculated by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 25 to 150 parts of zinc phosphate, preferably 50 parts, 75 parts, 100 parts, 120 parts or 150 parts.

[0039] Calculated by weight, the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint includes 25 to 100 parts of aluminum tripolyphosphate, preferably 50 parts or 75 parts.

[0040] Calculated by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 75 to 200 parts of rutile titanium dioxide, preferably 100 parts, 120 parts, 150 parts or 175 parts.

[0041] Calculated by weight, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 25 to 100 parts of mica powder, preferably 50 parts or 75 parts.

[0042] Calculated by mass, the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint includes 25 to 100 parts of nano-aluminum oxide, preferably 50 parts or 75 parts.

[0043] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anticorrosive and antirust paint includes nano silicon-based The oxide is 25 to 150 parts, preferably 40 parts, 50 parts, 80 parts, 100 parts or 120 parts.

[0044] Calculated by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 10 to 50 parts of nano yttrium oxide, preferably 15 parts, 20 parts, 30 parts, 40 parts or 45 parts.

[0045] Calculated by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 50 to 150 parts of nano vanadium dioxide, preferably 50 parts, 75 parts, 100 parts, and 125 parts.

[0046] Calculated by weight, the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint includes 10 to 100 parts of glass microspheres, preferably 25 parts, 50 parts or 75 parts.

[0047] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 2 to 10 parts of leveling agent, preferably 3 parts, 4 parts, 5 parts, 6 parts, 7 parts or 8 parts; the leveling agent preferably includes 2020 leveling agent.

[0048] In parts by mass, the steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint includes 10 to 100 parts of fluorosilicone additives, preferably 25 parts, 30 parts, 40 parts, 50 parts, 60 parts, 70 parts, 80 parts or 90 parts, and the fluorosilicone additive preferably includes dimethyl silicone oil.

[0049] The present invention adds a rust remover, an anti-flash rust agent, a multifunctional anti-rust powder, zinc phosphate, aluminum tripolyphosphate, and mica powder, and synergistically improves the anti-corrosion and anti-rust effect of the phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint on the surface of steel.

[0050] The present invention also provides a method for preparing the phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surfaces described in the above-mentioned solution, comprising the following steps:

[0051] Firstly mixing water, a dispersant, a wetting agent, a defoaming agent, a bactericidal preservative, an antifreeze agent, a neutralizer, rutile titanium dioxide, mica powder, aluminum silicate, nano-alumina, nano-yttrium oxide and nano-vanadium dioxide to obtain a slurry;

[0052] The slurry is mixed with a water-based alkyd resin emulsion, a film-forming agent, nano-silicon-based oxides, and glass microspheres for a second time, and then mixed with a leveling agent and a fluorosilicone additive for a third time to obtain the phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for the steel surface.

[0053] The present invention has no special limitation on the first mixing, the second mixing and the third mixing, and they can be mixed uniformly using a method well known to those skilled in the art.

[0054] The present invention also provides the application of the steel surface phase-change intelligent temperature-regulating water-based anticorrosive and antirust paint described in the above scheme or the steel surface phase-change intelligent temperature-regulating water-based anticorrosive and antirust paint prepared by the preparation method described in the above scheme in the field of building materials.

[0055] The present invention also provides a method for applying phase-change intelligent temperature-regulating water-based anticorrosive and antirust paint on the surface of steel, comprising the following steps:

[0056] Directly spraying phase-change intelligent temperature-adjustable water-based anti-corrosion and anti-rust paint on the steel surface;

[0057] The steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint is the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint described in the above scheme or the steel surface phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint prepared by the preparation method described in the above scheme.

[0058] The steel surface phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint provided by the present invention and its preparation method, application and construction method are described in detail below in conjunction with the embodiments, but they should not be understood as limiting the scope of protection of the present invention.

[0059] In the embodiment, the particle size of the mica powder is 2500 mesh, the particle size of the nano-silicon-based oxide is 30 nanometers, the particle size of the nano-yttrium oxide is 50 nanometers, and the particle size of the nano-vanadium dioxide is 50 nanometers.

[0060] Example 1

[0061] 200 parts of water, 10 parts of 731A dispersant, 5 parts of wetting agent PE100, 5 parts of 309 defoamer, 3 parts of S201 bactericidal preservative, 15 parts of antifreeze agent propylene glycol, 25 parts of rust remover sodium nitrite, 10 parts of anti-flash rust agent zinc acetate dihydrate, 3 parts of neutralizer AMP-95 pH regulator, 75 parts of rutile titanium dioxide, 25 parts of mica powder, 25 parts of nano alumina, 20 parts of nano yttrium oxide, 100 parts of nano vanadium dioxide, 100 parts of multifunctional rust-proof powder silica, 50 parts of zinc phosphate and 30 parts of aluminum tripolyphosphate were added into a pulping tank mixer respectively, and stirred while adding. After all the addition was completed, the high-speed dispersing mixer was turned on and stirred for 10 minutes to obtain a slurry;

[0062] The slurry, 300 parts of GS-601 water-based alkyd resin emulsion, 15 parts of film-forming agent dodecyl alcohol, 50 parts of nano-silicon-based oxide, and 25 parts of glass microspheres are added into a paint tank mixer, stirred for more than 25 minutes to be fully dispersed without lumps, and then 3 parts of 2020 leveling agent and 30 parts of fluorosilicone additive dimethyl silicone oil are added and stirred for 15 minutes to obtain a phase change intelligent temperature regulating water-based anti-corrosion and anti-rust paint for the steel surface.

[0063] Example 2

[0064] 200 parts of water, 10 parts of 731A dispersant, 5 parts of wetting agent PE100, 5 parts of 309 defoamer, 3 parts of S201 bactericidal preservative, 15 parts of antifreeze agent propylene glycol, 30 parts of rust remover sodium nitrite, 15 parts of anti-flash rust agent zinc acetate dihydrate, 3 parts of neutralizer AMP-95 pH regulator, 75 parts of rutile titanium dioxide, 25 parts of mica powder, 25 parts of nano alumina, 45 parts of nano yttrium oxide, 75 parts of nano vanadium dioxide, 100 parts of multifunctional rust-proof powder silica, 50 parts of zinc phosphate and 30 parts of aluminum tripolyphosphate were added into a pulping tank mixer respectively, and stirred while adding. After all the addition was completed, the high-speed dispersing mixer was turned on and stirred for 10 minutes to obtain a slurry;

[0065] The slurry was mixed with 300 parts of GS-601 water-based alkyd resin emulsion, 15 parts of film-forming agent lauryl alcohol, 50 parts nanometer Add silicon-based oxide and 25 parts of glass microspheres into the paint tank mixer X and stir for more than 25 minutes. After being fully dispersed and evenly free of lumps, 3 parts of 2020 leveling agent and 30 parts of fluorosilicone additive dimethyl silicone oil are added and stirred for 15 minutes to obtain a phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for the steel surface.

[0066] Example 3

[0067] 200 parts of water, 10 parts of 731A dispersant, 5 parts of wetting agent PE100, 5 parts of 309 defoamer, 3 parts of S201 bactericidal preservative, 15 parts of antifreeze agent propylene glycol, 25 parts of rust remover sodium nitrite, 10 parts of anti-flash rust agent zinc acetate dihydrate, 3 parts of neutralizer AMP-95 pH regulator, 75 parts of rutile titanium dioxide, 25 parts of mica powder, 50 parts of nano alumina, 45 parts of nano yttrium oxide, 50 parts of nano vanadium dioxide, 100 parts of multifunctional rust-proof powder silica, 50 parts of zinc phosphate and 25 parts of aluminum tripolyphosphate were added into a pulping tank mixer respectively, and stirred while adding. After all the addition was completed, the high-speed dispersing mixer was turned on and stirred for 10 minutes to obtain a slurry;

[0068] The slurry, 300 parts of GS-601 water-based alkyd resin emulsion, 15 parts of film-forming agent dodecyl alcohol, 50 parts of nano-silicon-based oxide, and 25 parts of glass microspheres were added to a paint tank mixer and stirred for more than 25 minutes to fully disperse and evenly disperse without lumps. Then, 3 parts of 2020 leveling agent and 30 parts of fluorosilicone additive dimethyl silicone oil were added and stirred for 15 minutes to obtain a phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for the steel surface.

[0069] The hemispherical emissivity of the phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint in Examples 1 to 3 is 80%, 85%, and 90%, respectively; the medium-brightness sunlight reflectance is 60%, 65%, and 70%, respectively; and the near-infrared light reflectance is 70%, 75%, and 80%, respectively.

[0070] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A phase-changing intelligent temperature-regulating water-based anticorrosion and antirust paint for steel surface, characterized in that: Calculated by mass, it includes the following components: 100-400 parts of water, 200-500 parts of water-based alkyd resin emulsion, 5-20 parts of dispersant, 2-10 parts of wetting agent, 3-10 parts of defoaming agent, 2-5 parts of bactericidal preservative, 10-25 parts of antifreeze, 10-25 parts of film-forming agent, 2-5 parts of neutralizing agent, 75-200 parts of rutile titanium dioxide, 25-100 parts of mica powder, 25-100 parts of nano-alumina, 25-150 parts of silicon-based oxide, 10-50 parts of nano-yttrium oxide, 50-150 parts of nano-vanadium dioxide, 10-100 parts of glass microspheres, 10-100 parts of rust remover, 5-50 parts of anti-flash rust agent, 50-250 parts of multifunctional anti-rust powder, 25-150 parts of zinc phosphate, 25-100 parts of aluminum tripolyphosphate, 2-10 parts of leveling agent, 10-100 parts of fluorosilicone additive; The solid content of the water-based alkyd resin emulsion is 45-70%.

2. The phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surface according to claim 1, characterized in that: The dispersant includes 731A dispersant, the wetting agent includes PE100, the defoaming agent includes 309 defoaming agent, and the particle size of the mica powder is 2500 mesh.

3. The phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surface according to claim 1, characterized in that: The particle size of the nano silicon-based oxide is 30 nanometers.

4. The phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surface according to claim 1, characterized in that: The bactericidal preservative includes S201 bactericidal preservative, the antifreeze includes propylene glycol, and the particle size of the nano yttrium oxide is 50 nanometers.

5. The phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surface according to claim 1, characterized in that: The neutralizer includes AMP-95 pH regulator, the rust remover includes sodium nitrite, and the particle size of the nano vanadium dioxide is 50 nanometers.

6. The phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surface according to claim 1, characterized in that: The thermal conductivity of the glass microspheres is ≤0.03w / (m·k); the anti-flash rust agent includes zinc acetate dihydrate, and the multifunctional anti-rust powder includes silicon dioxide.

7. The phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surface according to claim 1, characterized in that: The fluorosilicone auxiliary agent includes dimethyl silicone oil.

8. The method for preparing the phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surfaces according to any one of claims 1 to 7, characterized in that: The following steps are involved: Firstly mixing water, a dispersant, a wetting agent, a defoaming agent, a bactericidal preservative, an antifreeze agent, a neutralizer, a rust remover, an anti-flash rust agent, a multifunctional anti-rust powder, zinc phosphate, aluminum tripolyphosphate, rutile titanium dioxide, mica powder, nano-alumina, nano-yttrium oxide, and nano-vanadium dioxide to obtain a slurry; The slurry is mixed with a water-based alkyd resin emulsion, a film-forming agent, nano-silicon-based oxides, and glass microspheres for a second time, and then mixed with a leveling agent and a fluorosilicone additive for a third time to obtain the phase-change intelligent temperature-regulating water-based anti-corrosion and anti-rust paint for the steel surface.

9. Application of the phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surfaces according to any one of claims 1 to 7 or the phase-changing intelligent temperature-regulating water-based anticorrosive and antirust paint for steel surfaces prepared by the preparation method according to claim 8 in the field of building materials.

10. A construction method for phase-change intelligent temperature-regulating water-based anticorrosion and antirust paint on steel surfaces, characterized in that: The following steps are involved: Directly spraying phase-change intelligent temperature-adjustable water-based anti-corrosion and anti-rust paint on the steel surface; The steel surface phase-change intelligent temperature-regulating water-based anticorrosion and antirust paint is the steel surface phase-change intelligent temperature-regulating water-based anticorrosion and antirust paint according to any one of claims 1 to 7 or the steel surface phase-change intelligent temperature-regulating water-based anticorrosion and antirust paint prepared by the preparation method according to claim 8.