CN110885602A - Organic-inorganic composite infrared reflection environment-friendly coating for military industry and preparation method thereof - Google Patents
Organic-inorganic composite infrared reflection environment-friendly coating for military industry and preparation method thereof Download PDFInfo
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- CN110885602A CN110885602A CN201911244593.5A CN201911244593A CN110885602A CN 110885602 A CN110885602 A CN 110885602A CN 201911244593 A CN201911244593 A CN 201911244593A CN 110885602 A CN110885602 A CN 110885602A
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- 238000000576 coating method Methods 0.000 title claims abstract description 76
- 239000011248 coating agent Substances 0.000 title claims abstract description 73
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229920000876 geopolymer Polymers 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 22
- 239000011324 bead Substances 0.000 claims abstract description 21
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 20
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 20
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920002635 polyurethane Polymers 0.000 claims abstract description 20
- 239000004814 polyurethane Substances 0.000 claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000440 bentonite Substances 0.000 claims abstract description 19
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 19
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 19
- DGXKDBWJDQHNCI-UHFFFAOYSA-N dioxido(oxo)titanium nickel(2+) Chemical compound [Ni++].[O-][Ti]([O-])=O DGXKDBWJDQHNCI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001056 green pigment Substances 0.000 claims abstract description 18
- 239000010445 mica Substances 0.000 claims abstract description 18
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 18
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000000080 wetting agent Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 12
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 abstract description 9
- 239000002904 solvent Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 125000000217 alkyl group Chemical group 0.000 description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical group [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 6
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 6
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 6
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- 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
-
- 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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention provides an organic-inorganic composite infrared reflection environment-friendly coating for military industry and a preparation method thereof, and relates to the technical field of coatings, wherein the coating comprises the following raw materials in parts by weight: 42-65 parts of metakaolin geopolymer, 45-68 parts of polyurethane modified acrylic resin, 2.5-4.9 parts of rutile titanium dioxide, 0.7-2.1 parts of phthalocyanine green pigment, 1.6-3.8 parts of nickel titanate yellow, 3-6 parts of hollow glass beads, 1.5-4 parts of mica, 1.5-4 parts of quartz, 20-40 parts of water, 0.5-1.5 parts of organic bentonite, 0.5-2 parts of dispersing agent, 2-5 parts of defoaming agent and 1-3 parts of wetting agent. The raw materials are matched with each other and have synergistic effect, so that the prepared coating has excellent heat insulation performance, weather resistance, chemical corrosion resistance and good coating effect, and the coating takes water as a solvent, is simple in preparation method and is beneficial to energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an organic-inorganic composite infrared reflection environment-friendly coating for military industry and a preparation method thereof.
Background
The paint is one of the important products in fine chemical engineering, is an indispensable matching material for various departments in national economy, and endows different objects with decoration, protection and special functions. Today, the high-tech and vigorous development, the coating product not only plays an irreplaceable role in national economy and people's life, but also is a very special and advanced product in the coating variety in the high-tech industries such as national defense and military products and the like. The coating can relate to various fields of military industry and is an indispensable important ring in military equipment. The coating provides functional support and guarantee for military equipment.
The heat radiation of sunlight can cause the surface temperature of military equipment, aircrafts, buildings, instruments and equipment and the like to be overhigh, and the work of the military equipment, the aircrafts, the buildings, the instruments and the equipment is seriously influenced. Therefore, the reduction of the harm of heat radiation is an urgent need for saving energy of military equipment and buildings, and the coating of the infrared reflection heat insulation coating on the surfaces of the military equipment, the buildings and instruments and equipment is a means for effectively reducing the surface temperature of objects. The infrared reflection coating is a functional coating and has the effects of heat insulation, temperature reduction and energy conservation. In the infrared band range, the coating can reflect heat radiation and reflect heat absorbed inside the coating to the external environment in the form of heat radiation, so that the internal temperature of the coating and the surface temperature of a coated object are reduced, and the purposes of reflection and isolation are achieved.
The existing military coating has the problems that most raw materials contain high-toxicity solvents, the environment is polluted, the safety coefficient is low, the mechanical and physical properties are low, the environmental protection effect is poor, and the coating is degraded after being irradiated by sunlight for a long time, so that the weather resistance and the durability of the coating are poor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an organic-inorganic composite infrared reflection environment-friendly coating for military industry and a preparation method thereof, all raw materials are matched with each other and have synergistic effect, so that the prepared coating has excellent heat insulation performance, weather resistance, chemical corrosion resistance and good coating effect, and the coating takes water as a solvent, is simple in preparation method and is beneficial to energy conservation and environment protection.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
an organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 42-65 parts of metakaolin geopolymer, 45-68 parts of polyurethane modified acrylic resin, 2.5-4.9 parts of rutile titanium dioxide, 0.7-2.1 parts of phthalocyanine green pigment, 1.6-3.8 parts of nickel titanate yellow, 3-6 parts of hollow glass beads, 1.5-4 parts of mica, 1.5-4 parts of quartz, 20-40 parts of water, 0.5-1.5 parts of organic bentonite, 0.5-2 parts of dispersing agent, 2-5 parts of defoaming agent and 1-3 parts of wetting agent.
Further, the coating raw materials comprise the following raw materials in parts by weight: 53-59 parts of metakaolin geopolymer, 55-62 parts of polyurethane modified acrylic resin, 3.2-4.1 parts of rutile titanium dioxide, 1.3-1.9 parts of phthalocyanine green pigment, 2.3-3.1 parts of nickel titanate yellow, 4-5 parts of hollow glass beads, 2.5-3.4 parts of mica, 2.5-3 parts of quartz, 25-35 parts of water, 0.9-1.2 parts of organic bentonite, 1.2-1.6 parts of dispersing agent, 3-4 parts of defoaming agent and 2-3 parts of wetting agent.
Further, the coating raw materials comprise the following raw materials in parts by weight: 54 parts of metakaolin geopolymer, 57 parts of polyurethane modified acrylic resin, 3.5 parts of rutile titanium dioxide, 1.6 parts of phthalocyanine green pigment, 2.4 parts of nickel titanate yellow, 4 parts of hollow glass beads, 3.1 parts of mica, 2.8 parts of quartz, 35 parts of water, 1 part of organic bentonite, 1.4 parts of dispersing agent, 4 parts of defoaming agent and 2 parts of wetting agent.
Further, the dispersing agent is sodium hexametaphosphate, the defoaming agent is sodium dodecyl benzene sulfonate, and the wetting agent is alkyl polyoxyethylene ether.
The preparation method of the metakaolin geopolymer comprises the following steps:
1) heating kaolin to 750 ℃, 800 ℃, 850 and 900 ℃ respectively, preserving heat for 2 hours at each temperature, stopping heating, and cooling along with the furnace temperature to obtain metakaolin;
2) grinding metakaolin to make its specific surface area reach 380-420m2Per kg, obtaining fine powder for later use;
3) mixing the metakaolin fine powder obtained in the step 2) with sodium silicate and sodium hydroxide, and stirring for 10min at a high speed by using a stirrer to obtain metakaolin geopolymer slurry;
further, in the step (3), the mass ratio of the metakaolin, the sodium silicate and the sodium hydroxide is 14:16: 1.
The preparation method of the organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following steps:
1) taking raw materials according to a ratio, and uniformly mixing a metakaolin geopolymer, polyurethane modified acrylic resin and 20-30% of water in a stirrer to obtain a component A for later use;
2) grinding mica and quartz into fine powder, mixing the fine powder with rutile titanium dioxide, phthalocyanine green pigment, nickel titanate yellow, organic bentonite, a dispersing agent, a defoaming agent, a wetting agent and the rest water, and uniformly stirring to obtain a component B for later use;
3) and adding the component B into the component A, quickly stirring for 30min by using a dispersion machine to uniformly disperse the component B, adding the hollow glass beads into the uniformly dispersed mixture, and slowly stirring for 30min to obtain the coating.
(III) advantageous effects
The invention provides an organic-inorganic composite infrared reflection environment-friendly coating for military industry and a preparation method thereof, wherein a metakaolin geopolymer and polyurethane modified acrylic resin are compounded in raw materials to serve as an organic-inorganic base material, the organic-inorganic composite base material solves the problem that the coating is poor in weather resistance and durability when only organic matters are taken as the base material, and the metakaolin geopolymer has a three-dimensional network structure similar to that of an organic polymer, has a good compounding effect with the polyurethane modified acrylic resin, and simultaneously has strong chemical corrosion resistance, excellent durability and the like.
The hollow glass beads are in a hollow sphere structure with a micro scale, the heat conductivity coefficient is low, the specific surface area is large, and when the optical fibers irradiate the surface of the coating film, the optical fibers can reflect for many times through the hollow glass beads, so that the reflectivity of the coating film can be improved, and the reflection and heat insulation effects are achieved; the rutile titanium dioxide has the advantages of high refractive index, strong covering power and the like; the refractive index of the pigment and filler composed of rutile titanium dioxide, hollow glass beads, phthalocyanine green pigment, nickel titanate yellow, bentonite mica, quartz and the like is greater than that of the organic-inorganic base material composed of metakaolin geopolymer and polyurethane modified acrylic resin, so that the optical fiber reaching the surface of the coating is reflected back, the coating has better covering effect on the coated object, the light absorption capacity is poor, the scattered light capacity is strong, and the coating has better heat insulation.
The organic bentonite as a rheological agent can effectively prevent the pigment and filler in the paint from settling, so that the pigment and filler are suspended in the paint, and the pigment and filler are prevented from slowly settling due to long-term storage, forming hard cakes and being difficult to decompose.
In the preparation process of the coating, the hollow glass beads are added at last and stirred at a low speed, so that the hollow glass beads can be prevented from being broken and the infrared reflection effect of the coating can be prevented from being influenced. The raw materials in the invention are mutually matched and have synergistic effect, so that the prepared coating has excellent heat insulation performance, weather resistance, chemical corrosion resistance and good coating effect, and the coating takes water as a solvent, has a simple preparation method and is beneficial to energy conservation and environmental protection.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The sources of the raw materials used in the examples of the present invention are shown in table 1.
Table 1:
example 1:
an organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 54 parts of metakaolin geopolymer, 57 parts of polyurethane modified acrylic resin, 3.5 parts of rutile titanium dioxide, 1.6 parts of phthalocyanine green pigment, 2.4 parts of nickel titanate yellow, 4 parts of hollow glass beads, 3.1 parts of mica, 2.8 parts of quartz, 35 parts of water, 1 part of organic bentonite, 1.4 parts of sodium hexametaphosphate, 4 parts of sodium dodecyl benzene sulfonate and 2 parts of alkyl polyoxyethylene ether.
The preparation method of the metakaolin geopolymer comprises the following steps:
1) heating kaolin to 750 ℃, 800 ℃, 850 and 900 ℃ respectively, preserving heat for 2 hours at each temperature, stopping heating, and cooling along with the furnace temperature to obtain metakaolin;
2) grinding metakaolin to make its specific surface area be up to 420m2Per kg, obtaining fine powder for later use;
3) mixing the metakaolin fine powder obtained in the step 2) with sodium silicate and sodium hydroxide, and stirring for 10min at a high speed by using a stirrer to obtain metakaolin geopolymer slurry, wherein the mass ratio of the metakaolin to the sodium silicate to the sodium hydroxide is 14:16: 1.
The preparation method of the organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following steps:
1) taking raw materials according to a ratio, and uniformly mixing a metakaolin geopolymer, polyurethane modified acrylic resin and 20% of water in a stirrer to obtain a component A for later use;
2) grinding mica and quartz into fine powder, mixing the fine powder with rutile titanium dioxide, phthalocyanine green pigment, nickel titanate yellow, organic bentonite, a dispersing agent, a defoaming agent, a wetting agent and the rest water, and uniformly stirring to obtain a component B for later use;
3) and adding the component B into the component A, quickly stirring for 30min by using a dispersion machine to uniformly disperse the component B, adding the hollow glass beads into the uniformly dispersed mixture, and slowly stirring for 30min to obtain the coating.
Example 2:
an organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 42 parts of metakaolin geopolymer, 62 parts of polyurethane modified acrylic resin, 2.5 parts of rutile titanium dioxide, 1.9 parts of phthalocyanine green pigment, 1.6 parts of nickel titanate yellow, 5 parts of hollow glass beads, 1.5 parts of mica, 3 parts of quartz, 28 parts of water, 1.2 parts of organic bentonite, 0.5 part of sodium hexametaphosphate, 4 parts of sodium dodecyl benzene sulfonate and 1 part of alkyl polyoxyethylene ether.
The preparation method of the metakaolin geopolymer comprises the following steps:
1) heating kaolin to 750 ℃, 800 ℃, 850 and 900 ℃ respectively, preserving heat for 2 hours at each temperature, stopping heating, and cooling along with the furnace temperature to obtain metakaolin;
2) grinding metakaolin to make its specific surface area be up to 380m2Per kg, obtaining fine powder for later use;
3) mixing the metakaolin fine powder obtained in the step 2) with sodium silicate and sodium hydroxide, and stirring for 10min at a high speed by using a stirrer to obtain metakaolin geopolymer slurry, wherein the mass ratio of the metakaolin to the sodium silicate to the sodium hydroxide is 14:16: 1.
The preparation method of the organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following steps:
1) taking raw materials according to a ratio, and uniformly mixing a metakaolin geopolymer, polyurethane modified acrylic resin and 30% of water in a stirrer to obtain a component A for later use;
2) grinding mica and quartz into fine powder, mixing the fine powder with rutile titanium dioxide, phthalocyanine green pigment, nickel titanate yellow, organic bentonite, a dispersing agent, a defoaming agent, a wetting agent and the rest water, and uniformly stirring to obtain a component B for later use;
3) and adding the component B into the component A, quickly stirring for 30min by using a dispersion machine to uniformly disperse the component B, adding the hollow glass beads into the uniformly dispersed mixture, and slowly stirring for 30min to obtain the coating.
Example 3:
an organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 65 parts of metakaolin geopolymer, 55 parts of polyurethane modified acrylic resin, 4.9 parts of rutile titanium dioxide, 1.3 parts of phthalocyanine green pigment, 3.8 parts of nickel titanate yellow, 4 parts of hollow glass beads, 4 parts of mica, 2.5 parts of quartz, 40 parts of water, 0.9 part of organic bentonite, 2 parts of sodium hexametaphosphate, 3 parts of sodium dodecyl benzene sulfonate and 3 parts of alkyl polyoxyethylene ether.
The preparation of the metakaolin geopolymer and the coating is the same as in example 1.
Example 4:
an organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 53 parts of metakaolin geopolymer, 66 parts of polyurethane modified acrylic resin, 3.2 parts of rutile titanium dioxide, 2 parts of phthalocyanine green pigment, 2.3 parts of nickel titanate yellow, 6 parts of hollow glass microspheres, 2.5 parts of mica, 4 parts of quartz, 35 parts of water, 0.9 part of organic bentonite, 1.8 parts of sodium hexametaphosphate, 3 parts of sodium dodecyl benzene sulfonate and 3 parts of alkyl polyoxyethylene ether.
The preparation of the metakaolin geopolymer and the coating is the same as in example 1.
Example 5:
an organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 42 parts of metakaolin geopolymer, 65 parts of polyurethane modified acrylic resin, 2.5 parts of rutile titanium dioxide, 0.7-2.1 parts of phthalocyanine green pigment, 1.6-3.8 parts of nickel titanate yellow, 3-6 parts of hollow glass beads, 1.5-4 parts of mica, 1.5-4 parts of quartz, 20-40 parts of water, 0.5-1.5 parts of organic bentonite, 0.5-2 parts of dispersant, 2-5 parts of defoaming agent and 1-3 parts of wetting agent.
An organic-inorganic composite infrared reflection environment-friendly coating for military industry comprises the following raw materials in parts by weight: 59 parts of metakaolin geopolymer, 64 parts of polyurethane modified acrylic resin, 4.1 parts of rutile titanium dioxide, 0.7 part of phthalocyanine green pigment, 3.1 parts of nickel titanate yellow, 3 parts of hollow glass beads, 4 parts of mica, 1.5 parts of quartz, 25 parts of water, 1.5 parts of organic bentonite, 1.6 parts of sodium hexametaphosphate, 5 parts of sodium dodecyl benzene sulfonate and 2 parts of alkyl polyoxyethylene ether.
The preparation of the metakaolin geopolymer and the coating is the same as in example 1.
The coatings prepared in examples 1 to 5 of the present invention were coated on an aluminum plate to prepare a coating, and the performance thereof was tested according to the standard JG/T235-2008 "architectural reflective insulation coating", and the results are shown in Table 1.
Table 1:
in summary, the embodiment of the invention has the following beneficial effects: the performance of the coating prepared by using the coating of the embodiment 1-5 completely meets the requirements of the JG/T235-2008 reflective thermal insulation coating for buildings, the preparation method of the coating is simple, and water is used as a solvent, so that the coating is more energy-saving and environment-friendly.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An organic-inorganic composite infrared reflection environment-friendly coating for military industry is characterized by comprising the following raw materials in parts by weight: 42-65 parts of metakaolin geopolymer, 45-68 parts of polyurethane modified acrylic resin, 2.5-4.9 parts of rutile titanium dioxide, 0.7-2.1 parts of phthalocyanine green pigment, 1.6-3.8 parts of nickel titanate yellow, 3-6 parts of hollow glass beads, 1.5-4 parts of mica, 1.5-4 parts of quartz, 20-40 parts of water, 0.5-1.5 parts of organic bentonite, 0.5-2 parts of dispersing agent, 2-5 parts of defoaming agent and 1-3 parts of wetting agent.
2. The organic-inorganic composite infrared reflection environment-friendly coating for military use as claimed in claim 1, wherein the coating raw materials comprise the following raw materials in parts by weight: 53-59 parts of metakaolin geopolymer, 55-62 parts of polyurethane modified acrylic resin, 3.2-4.1 parts of rutile titanium dioxide, 1.3-1.9 parts of phthalocyanine green pigment, 2.3-3.1 parts of nickel titanate yellow, 4-5 parts of hollow glass beads, 2.5-3.4 parts of mica, 2.5-3 parts of quartz, 25-35 parts of water, 0.9-1.2 parts of organic bentonite, 1.2-1.6 parts of dispersing agent, 3-4 parts of defoaming agent and 2-3 parts of wetting agent.
3. The organic-inorganic composite infrared reflection environment-friendly coating for military use as claimed in claim 2, wherein the coating raw materials comprise the following raw materials in parts by weight: 54 parts of metakaolin geopolymer, 57 parts of polyurethane modified acrylic resin, 3.5 parts of rutile titanium dioxide, 1.6 parts of phthalocyanine green pigment, 2.4 parts of nickel titanate yellow, 4 parts of hollow glass beads, 3.1 parts of mica, 2.8 parts of quartz, 35 parts of water, 1 part of organic bentonite, 1.4 parts of dispersing agent, 4 parts of defoaming agent and 2 parts of wetting agent.
4. The organic-inorganic composite infrared-reflective environment-friendly coating for military use according to any one of claims 1 to 3, wherein the metakaolin geopolymer is prepared by a method comprising the following steps:
1) heating kaolin to 750 ℃, 800 ℃, 850 and 900 ℃ respectively, preserving heat for 2 hours at each temperature, stopping heating, and cooling along with the furnace temperature to obtain metakaolin;
2) grinding metakaolin to make its specific surface area reach 380-420m2Per kg, obtaining fine powder for later use;
3) mixing the metakaolin fine powder obtained in the step 2) with sodium silicate and sodium hydroxide, and stirring for 10min at high speed by using a stirrer to obtain metakaolin geopolymer slurry.
5. The organic-inorganic composite infrared-reflective environment-friendly coating for military use according to claim 4, wherein the mass ratio of metakaolin, sodium silicate and sodium hydroxide in the step (3) is 14:16: 1.
6. The organic-inorganic composite infrared reflection environment-friendly coating for military use as claimed in any one of claims 1 to 3, wherein the preparation method of the coating comprises the following steps:
1) taking raw materials according to a ratio, and uniformly mixing a metakaolin geopolymer, polyurethane modified acrylic resin and 20-30% of water in a stirrer to obtain a component A for later use;
2) grinding mica and quartz into fine powder, mixing the fine powder with rutile titanium dioxide, phthalocyanine green pigment, nickel titanate yellow, organic bentonite, a dispersing agent, a defoaming agent, a wetting agent and the rest water, and uniformly stirring to obtain a component B for later use;
3) and adding the component B into the component A, quickly stirring for 30min by using a dispersion machine to uniformly disperse the component B, adding the hollow glass beads into the uniformly dispersed mixture, and slowly stirring for 30min to obtain the coating.
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| CN112300608A (en) * | 2020-10-30 | 2021-02-02 | 合肥工业大学 | Aqueous inorganic coating based on geopolymer and preparation method thereof |
| CN115536327A (en) * | 2022-07-11 | 2022-12-30 | 江苏澄筑建筑科技有限公司 | Heat-insulation decorative concrete material and preparation method thereof |
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