CN111748253A - Reflective heat-insulating coating and production process thereof - Google Patents
Reflective heat-insulating coating and production process thereof Download PDFInfo
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- CN111748253A CN111748253A CN202010703482.2A CN202010703482A CN111748253A CN 111748253 A CN111748253 A CN 111748253A CN 202010703482 A CN202010703482 A CN 202010703482A CN 111748253 A CN111748253 A CN 111748253A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/16—Esters of inorganic acids
- C09D101/18—Cellulose nitrate
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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
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- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/004—Reflecting paints; Signal paints
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention relates to the technical field of paint production, and discloses a reflective heat-insulating paint which comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2-4:1, and the inner layer material comprises the following components in parts by mass: 50-65 parts of water; 25-35 parts of calcium carbonate; 40-55 parts of a film forming agent; 3-5 parts of cellulose; 2-5 parts of a defoaming agent; the surface layer material comprises: 10-20 parts of water; 10-15 parts of amino resin; 2-5 parts of a wetting agent; 20-35 parts of epoxy resin; 10-15 parts of a film forming agent. The invention has better reflection and heat insulation effects.
Description
Technical Field
The invention relates to the technical field of coating production, in particular to a reflective heat-insulating coating and a production process thereof.
Background
The coating is traditionally named as paint in China. The coating is a continuous film which is coated on the surface of an object to be protected or decorated and can form firm adhesion with the object to be coated, and is a viscous liquid which is prepared by taking resin, oil or emulsion as a main material, adding or not adding pigments and fillers, adding corresponding auxiliaries and using an organic solvent or water.
The book of coating technology which is relatively authoritative in the Chinese coating world is defined as follows: the paint is a material which can be coated on the surface of an object by different construction processes to form a continuous solid film with firm adhesion and certain strength. The film thus formed is generally called a coating film, also called a paint film or a coating layer.
Furthermore, in different use situations, it is often necessary for the coating to have certain functions, such as fire-proof, oxidation-resistant, antibacterial or heat-insulating effects, so that certain adjustments of the components in the coating are required to achieve the desired effect.
Disclosure of Invention
The invention aims to provide a reflective heat-insulating coating and a production process thereof, and aims to enable the coating to have the reflective heat-insulating effect.
The technical purpose of the invention is realized by the following technical scheme: the reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2-4:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
according to the technical scheme, firstly, the inner layer material is coated on the surface of a base material, such as a wall surface, a ceramic tile, glass or other places needing coating, then the surface layer material is coated on the surface of the formed clean inner layer material, and the inner layer material and the surface layer material form a double-layer shape; and after the inner layer material is formed, the moisture is volatilized to coat the surface layer material, and the coating of the whole coating is finished after the moisture in the surface layer material is volatilized.
The film forming agent in the inner layer material is a main body and can be adhered to the surface of the base material, and because the calcium carbonate and the cellulose are fully mixed with the film forming agent, the calcium carbonate and the cellulose can be uniformly and comprehensively covered on the surface of the base material; the surface material is coated after the inner material is formed, the wetting agent in the surface material can enable the surface material and the inner material to be integrated with each other, and the film-forming agent, the amino resin and the epoxy resin can form a smooth surface material, so that the formed coating has good flatness outside. Wherein because calcium carbonate powder is white, and each material in the surface course material is all selected for use is transparent, so after outside illumination shines on the coating, at first white nexine material can have better reflection effect to light, thereby make the absorption effect to the heat less, and can produce the effect similar to the mirror between transparent surface course material and the white nexine material simultaneously, thereby further play the effect of reflection illumination, so the coating is whole to the reflection effect of light reach very big degree, so the temperature of coating can have less rising, so the intensification degree of substrate is also lower, thermal-insulated effectual. Secondly because have the defoaming agent in the nexine material, consequently it makes nexine material surface also very level and smooth at first for the mirror-like effect between nexine material and the surface material can be better, and is better to thermal reflection effect, and thermal-insulated effect is also better.
Then the selected cellulose is white or bleached cellulose, and the selected cellulose is also positioned in the inner layer material and can firstly play a role in reflecting light, secondly can play a role in adhering calcium carbonate, prevents the calcium carbonate from caking or settling and the like, and enables the calcium carbonate to be distributed more widely, so that the overall light reflectivity of the coating is better; meanwhile, the cellulose has longer molecular length, so that the cellulose can play a role in bonding among all structures of the lining material, the integrity of the lining material is improved, and the structural strength and the stability of connection between the lining material and a base material are also improved.
Meanwhile, a crosslinking effect can be generated between the amino resin and the epoxy resin, so that the surface layer material has higher strength, the external effect can be well resisted, and the service life of the coating is prolonged.
The invention is further provided with: the inner layer material also comprises 4-7 parts of titanium dioxide by mass.
Through above-mentioned technical scheme, titanium white powder has better whiteness degree and opacity, consequently can improve the effect of the reflected light of nexine material more, and titanium white powder has very high adhesion simultaneously moreover, consequently it can play the adhesion effect between each component in the nexine material, further improves the wholeness of nexine material.
The invention is further provided with: the inner layer material also comprises 8-12 parts of hollow ceramic microspheres by mass.
Through the technical scheme, when the heat absorbed by the lining material is transferred to the base material, the hollow ceramic microspheres (also called as the color ceramic hollow microspheres) are in a hollow state, so that the heat transfer can be well blocked, namely even if part of the heat is absorbed by the surface of the lining material, the hollow ceramic microspheres can also well prevent the part of the heat from being transferred to the base material (more heat is released to the outside), so that the temperature rise of the base material is further reduced, and the heat insulation effect is better.
The invention is further provided with: the inner layer material also comprises 2-3 parts of wetting agent by mass.
The invention is further provided with: the wetting agent in the inner layer material and the surface layer material respectively comprises one or a mixture of ethanol, propylene glycol, glycerol or dimethyl sulfoxide.
According to the technical scheme, the wetting agent is arranged in the inner layer material and the surface layer material, the inner layer material and the base material can be better connected through the wetting agent, and the surface layer material and the inner layer material can be better connected into a whole, so that the connection stability between the whole coating and the base material is improved; again, the wetting agent allows for better interconnection of the components of the inner layer, as well as the components of the top layer, thereby improving the integrity of the coating.
The invention is further provided with: the film forming agents in the inner layer material and the surface layer material both comprise one or a mixture of an acrylic resin film forming agent and a nitrocellulose film forming agent.
By the technical scheme, the acrylic resin film forming agent has the advantages of good film forming property, strong adhesive force, good film flexibility, larger ductility, high light transmittance, illumination resistance, aging resistance and the like, so that when the acrylic resin film forming agent is used in the coating, the coating can be well stretched, can better penetrate through the surface layer material and then acts on the inner layer material, and then is reflected to the outside by the inner layer material; the nitrocellulose film forming agent has the characteristic of brightness, the inner layer material can have the effect of reflecting light by adding the nitrocellulose film forming agent, and the surface layer material also has the effect of reflecting light to a certain extent, so that the coating has better reflectivity to light integrally.
The invention is further provided with: the surface layer material also comprises 10-15 parts of glass powder.
Through the technical scheme, the adding amount of the glass powder is small, so that most of light rays can be applied to the inner layer material after penetrating through the surface layer material in actual use; the particle size is small, the dispersibility is good, the anti-settling effect is good, and therefore the particles can be uniformly distributed in the surface material; thirdly, although the glass powder has high transparency, the glass powder has different refractive indexes to light rays with other materials of the surface material, so that an effect similar to a mirror can be formed between each glass powder unit and the surface material, and the effect of reflecting the light rays irradiated into the surface material is achieved; the shape and the distribution direction of the glass powder units are random, so that all the glass powder in the surface material has the effect similar to diffuse reflection, light can be well reflected, all the reflected light is prevented from facing the same or similar direction, the reflected light is prevented from influencing the surrounding environment, and the using effect is better. And two-layer reflection of light is realized between the glass powder and the inner layer material, so that the reflection effect of the light and heat is better on the whole.
The invention is further provided with: the surface layer material also comprises 2-4 parts of coupling agent by mass.
The invention is further provided with: the coupling agent comprises one or a mixture of KH550, KH560 or DL 171.
Through above-mentioned technical scheme, can reduce epoxy's viscosity through adding coupling agent, improve epoxy's mobility, also make simultaneously can be more abundant mix between other materials and the epoxy, improve the mixed effect and the homogeneity of material.
The invention also provides a process for producing the reflective thermal insulation coating as described in any one of the above, comprising the steps of:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.5-1h before the surface material is used to obtain the surface material.
Through the technical scheme, when the calcium carbonate and the cellulose are mixed, the calcium carbonate and the cellulose are in a dry environment, so that the calcium carbonate and the cellulose can be prevented from caking and the like after encountering liquid, the calcium carbonate and the cellulose can be mutually bonded due to the mixing of the calcium carbonate and the cellulose, and after the calcium carbonate and the cellulose are mixed with other liquid, the mixing uniformity of the inner layer material is in a better state. When the surface material is produced, because the epoxy resin is easy to open the ring and solidify and crosslink, the epoxy resin and other components of the surface material are mixed only before the surface material is used, so that the surface material can be stably formed, and the condition that the surface material cannot well play a corresponding role due to the quality change of the epoxy resin can not occur.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
wherein the film-forming agent is acrylic resin film-forming agent, the defoaming agent is trialkyl melamine, and the wetting agent is ethanol.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.5h before the surface material is used to obtain the surface material.
Example 2
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 4:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
wherein the film-forming agent is a nitrocellulose film-forming agent, the defoaming agent is dialkyl phosphate, and the wetting agent is dimethyl sulfoxide.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 1h before the surface material is used to obtain the surface material.
Example 3
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 3:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
the film forming agent is a mixture of an acrylic resin film forming agent and a nitrocellulose film forming agent which are equal in mass, the defoaming agent is lauric acid, and the wetting agent is a mixture of propylene glycol and glycerin which are equal in mass.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.8h before the surface material is used to obtain the surface material.
Example 4
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2.5:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
wherein the film forming agent is acrylic resin film forming agent, the defoaming agent is trialkyl melamine, and the wetting agent is glycerol.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.6h before the surface material is used to obtain the surface material.
Example 5
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 3.5:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
the film forming agent is a nitrocellulose film forming agent, the defoaming agent is lauric acid, and the wetting agent is a mixture of ethanol and dimethyl sulfoxide with equal mass.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.5h before the surface material is used to obtain the surface material.
Example 6
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2.5:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
wherein the film-forming agent is a nitrocellulose film-forming agent, the defoaming agent is fluorinated alkyl phosphate, and the wetting agent is dimethyl sulfoxide.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 1h before the surface material is used to obtain the surface material.
Example 7
The reflective heat-insulation coating comprises an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2.5:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
wherein the film forming agent is an acrylic resin film forming agent, the defoaming agent is fluorinated alkyl phosphate, and the wetting agent is glycerol.
The process of the coating comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.5h before the surface material is used to obtain the surface material.
Designing an experiment:
taking a plurality of closed cubic boxes made of marble, wherein the length of the outer diameter of each cubic body is 20cm, and the wall thickness of each cubic body is 1 cm; the surface of the marble was then painted with the paint produced in examples one to seven, and two common paints (identified as example 8 and example 9, respectively) sold on the market, five samples of each paint were made, all the boxes (forty-five total) were then placed in a windless environment at the same angle, and after 2h of irradiation under the same conditions, the temperature of the outside environment of the box and the center of the box at that time was then measured and recorded, and each data for each set was averaged, and the average was recorded as follows:
| case(s) | Film thickness (um) | External temperature (. degree.C.) | Internal temperature (. degree.C.) |
| Example 1 | 329 | 32 | 42.62 |
| Example 2 | 284 | 32 | 43.12 |
| Example 3 | 267 | 32 | 41.64 |
| Example 4 | 331 | 32 | 40.53 |
| Example 5 | 306 | 32 | 39.51 |
| Example 6 | 297 | 32 | 39.47 |
| Example 7 | 269 | 32 | 38.54 |
| Example 8 | 312 | 32 | 46.59 |
| Example 9 | 308 | 32 | 44.57 |
According to the data, on the basis that the film thickness is close to the film thickness, the temperature rise of the middle part of the box body can be lower by the coating of each embodiment of the application, so that the coating can better reflect external light, and the heat absorption of the coating and the box body is reduced; moreover, the heat absorption effect can be obviously improved after the glass powder and the hollow ceramic microspheres are added.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. The reflective heat-insulation coating is characterized by comprising an inner layer material and a surface layer material, wherein the thickness ratio of the inner layer material to the surface layer material is 2-4:1, and the inner layer material comprises the following components in parts by mass:
the surface layer material comprises:
2. the reflective thermal insulating coating according to claim 1, wherein: the inner layer material also comprises 4-7 parts of titanium dioxide by mass.
3. The reflective thermal insulating coating according to claim 1, wherein: the inner layer material also comprises 8-12 parts of hollow ceramic microspheres by mass.
4. The reflective thermal insulating coating according to claim 1, wherein: the inner layer material also comprises 2-3 parts of wetting agent by mass.
5. The reflective thermal insulating coating according to claim 4, wherein: the wetting agent in the inner layer material and the surface layer material respectively comprises one or a mixture of ethanol, propylene glycol, glycerol or dimethyl sulfoxide.
6. The reflective thermal insulating coating according to claim 1, wherein: the film forming agents in the inner layer material and the surface layer material comprise one or two of an acrylic resin film forming agent or a nitrocellulose film forming agent in parts by mass.
7. The reflective thermal insulating coating according to claim 1, wherein: the surface layer material also comprises 10-15 parts of glass powder by mass.
8. The reflective thermal insulating coating according to claim 1, wherein: the surface layer material also comprises 2-4 parts of coupling agent by mass.
9. The reflective thermal insulating coating according to claim 9, wherein: the coupling agent comprises one or a mixture of KH550, KH560 or DL 171.
10. A process for producing the reflective thermal barrier coating according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, mixing calcium carbonate with cellulose;
s2, mixing the film forming agent and the defoaming agent in a first container, and then pouring the mixture in the S1 into the first container;
s3, adding water into the first container of S2, and sealing and covering the first container through a first cover body after the water is added to obtain an inner layer material;
s4, mixing water, amino resin, wetting agent and film forming agent in a second container, and sealing and covering by a second cover body;
and S5, sealing the epoxy resin through a third container and a third cover body, and mixing the mixed solution in the S4 with the epoxy resin 0.5-1h before the surface material is used to obtain the surface material.
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| CN113185875A (en) * | 2021-05-06 | 2021-07-30 | 湖北巴乐福化工科技有限公司 | Fireproof coating and preparation method thereof |
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Application publication date: 20201009 |