CN113717601A - Waterproof reflective heat-insulating coating and preparation method thereof - Google Patents
Waterproof reflective heat-insulating coating and preparation method thereof Download PDFInfo
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- CN113717601A CN113717601A CN202010459735.6A CN202010459735A CN113717601A CN 113717601 A CN113717601 A CN 113717601A CN 202010459735 A CN202010459735 A CN 202010459735A CN 113717601 A CN113717601 A CN 113717601A
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- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000839 emulsion Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 20
- -1 silicon-fluorine modified acrylic acid Chemical class 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000077 silane Inorganic materials 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims abstract description 4
- 150000001282 organosilanes Chemical class 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- NJECQESCCSENHG-UHFFFAOYSA-N 1,1,2,2,3,3,4,4-octamethyltetrasiletane Chemical group C[Si]1(C)[Si](C)(C)[Si](C)(C)[Si]1(C)C NJECQESCCSENHG-UHFFFAOYSA-N 0.000 claims description 2
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004965 Silica aerogel Substances 0.000 claims description 2
- 229920004890 Triton X-100 Polymers 0.000 claims description 2
- 239000013504 Triton X-100 Substances 0.000 claims description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 2
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 17
- 239000004005 microsphere Substances 0.000 abstract description 16
- 239000004964 aerogel Substances 0.000 abstract description 10
- 239000000377 silicon dioxide Substances 0.000 abstract description 10
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 10
- 239000002562 thickening agent Substances 0.000 abstract description 9
- 239000002270 dispersing agent Substances 0.000 abstract description 8
- 230000002209 hydrophobic effect Effects 0.000 abstract description 8
- 239000000178 monomer Substances 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 3
- 230000006750 UV protection Effects 0.000 abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 abstract description 3
- 239000011737 fluorine Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract description 2
- 238000007334 copolymerization reaction Methods 0.000 abstract description 2
- 239000011258 core-shell material Substances 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- ZJCZFAAXZODMQT-UHFFFAOYSA-N 2-methylpentadecane-2-thiol Chemical compound CCCCCCCCCCCCCC(C)(C)S ZJCZFAAXZODMQT-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- ADMWVBXCJSMQLF-UHFFFAOYSA-N C(C)O.[Si] Chemical compound C(C)O.[Si] ADMWVBXCJSMQLF-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing 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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- 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
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)
Abstract
The invention discloses a waterproof reflective heat-insulating coating, which comprises deionized water, rutile titanium dioxide, modified hollow glass beads, silicon dioxide aerogel, ceramic fibers, a silicon-fluorine modified acrylic acid waterproof emulsion, a thickening agent, a dispersing agent, an antifreezing agent, a hydrophobic agent and a film-forming auxiliary agent. The waterproof reflective heat-insulating coating has the following advantages: 1. fluorine-containing monomers BY-F300 are introduced into the acrylic acid copolymerization seed emulsion to react with organosilane, so that the prepared silicon-fluorine modified acrylic acid waterproof emulsion with the core-shell structure has lower thermal conductivity and better waterproof performance; 2. the silane modified hollow glass microspheres improve the dispersibility and compatibility of the hollow glass microspheres in the coating, so that the hollow glass microspheres are uniformly distributed in the coating and are matched with heat-insulating materials such as rutile titanium dioxide, silicon dioxide aerogel, ceramic fibers and the like for use, and the solar radiation reflection rate and the heat energy transfer rate of the coating are greatly improved; 3. the silicon-fluorine modified acrylic acid waterproof emulsion is used as a base material, so that the coating has good water resistance, weather resistance and ultraviolet resistance, the waterproof capability of the coating is improved, and the service life of the coating is prolonged. 4. The invention belongs to water-based paint, and is green and environment-friendly.
Description
Technical Field
The invention relates to the technical field of reflective heat-insulating coatings, and discloses a waterproof reflective heat-insulating coating and a preparation method thereof.
Background
The solar radiation generates a large amount of heat, which greatly affects the production and life of people, especially in the fields of buildings, automobiles, oil and gas storage and transportation and the like.
In order to reduce the influence of solar radiation on life and production, people use a large amount of refrigeration equipment for cooling, the consumption of energy is increased day by day, and the greenhouse effect is intensified.
The reflective heat insulation coating has the functions of reflecting solar radiation and insulating heat, can reduce the use of refrigeration equipment such as air conditioner air conditioning and the like, plays the roles of saving energy, reducing emission and reducing water and electricity costs, is popular among the masses, and is applied to the outer wall and the roof of a building. However, the existing reflective heat-insulating coating has single function and poor waterproof performance, and in order to prevent water seepage of a roof and a wall surface, another layer of waterproof coating needs to be added, so that the construction cost and the construction difficulty are inevitably greatly increased. Therefore, the development of a coating with reflection heat insulation and waterproof functions has important practical significance.
Disclosure of Invention
The invention aims to overcome the technical defects and provides the waterproof reflective heat-insulating coating which has the advantages of excellent water resistance, weather resistance and ultraviolet resistance, good waterproof capability and long service life.
The invention provides a waterproof reflective heat-insulating coating, which comprises the following components in percentage by mass:
60-80% of deionized water
Rutile type titanium dioxide 30-40
20-30 parts of modified hollow glass beads
15-20 parts of silicon dioxide aerogel
15-20 parts of ceramic fiber
50-70 parts of silicon-fluorine modified acrylic acid waterproof emulsion
0.5 to 1 part of a thickener
0.5 to 1 part of a dispersant
0.5 to 1 part of defoaming agent
7-10% of a water repellent agent
5-8% of antifreezing agent
5-8% of film forming assistant
AMP-95 0.5～1
The mass ratio of the reflective heat-insulating powder in the formula is as follows: rutile type titanium dioxide: modified hollow glass beads: silica aerogel: ceramic fiber = 3-4: 2-3: 1.5-2: 1.5 to 2.
Wherein the mass ratio of the silicofluoride modified acrylic waterproof emulsion to the reflective heat-insulating powder is 5-6: 8 to 11.
Wherein the thickener is at least one of ASE-60, TB-195 and ZC-501; the hydrophobic agent is at least one of SC011 and Phobe 6600; the film-forming assistant is at least one of SeikosolvTmep-10 and PPNB.
The technical scheme adopted by the invention is as follows:
deionized water, a thickening agent, a dispersing agent, an 1/2 defoaming agent, rutile type titanium dioxide, silicon dioxide aerogel and ceramic fiber are sequentially stirred and mixed, then are uniformly dispersed at a high speed for 15-20 min under the condition of 1000-1500 r/min, and then are added with modified hollow glass microspheres and are dispersed at 600-800 r/min for 5-10 min to prepare pre-slurrying. And then sequentially dispersing the rest defoaming agent, the antifreezing agent, the silicon-fluorine modified acrylic acid waterproof emulsion, the hydrophobic agent, the film forming additive and the like for 10-15 min at a speed of 500-600 r/min until the dispersion is uniform to obtain the waterproof reflective heat insulation coating.
The preparation process of the modified hollow glass microspheres comprises the following steps:
preparing 300m L ethanol solution from ethanol and water according to the volume ratio of 9:1, diluting 1-2% (mass ratio of silane coupling agent to coarsened hollow glass microsphere) of silane coupling agent KH550 with the solution, placing 15g of hollow glass microsphere in silane-ethanol aqueous solution, heating to 80 ℃ under magnetic stirring, reacting for 2 h, cooling to room temperature, performing suction filtration and washing, and finally placing in an oven for drying treatment to obtain the silane modified hollow glass microsphere.
The preparation process of the organosilicon acrylic acid copolymer emulsion comprises the following steps:
(1) the material ratio is as follows:
25-50 parts of butyl acrylate,
30-60 parts of methacrylate
BY-F30015-30 parts,
5-15 parts of organic silane,
4-8 parts of an emulsifier,
0.3 to 0.8 portion of persulfate,
120-280 parts of water;
the alkyl mercaptan is at least one of dodecyl mercaptan and hexadecyl mercaptan;
the organosilane is octamethylcyclotetrasilane, methacryloxypropyltrimethoxysilane or vinyltriethoxysilane, and the ratio is 1: 1;
the persulfate is at least one of ammonium persulfate, potassium persulfate and sodium persulfate;
The emulsifier is at least one of Triton X-100 and OP-10 or AEO-9 in a ratio of 1: 2;
(2) the synthesis process comprises the following steps:
adding 1/3 deionized water and 1/2 emulsifier, opening a stirrer, stirring for more than 20 minutes under the condition of 350r/min, sequentially adding 1/2 reaction monomers (butyl acrylate and methacrylate) in the formula, and adding alkyl mercaptan; continuously stirring for 20-40 minutes to pre-emulsify; heating the mixture to 80 +/-2 ℃ in a water bath, adding 1/3 deionized water, the rest 1/2 emulsifier and 1/2 persulfate into the reactor, and stirring for 20-40 minutes to form a seed emulsion; adding the rest butyl acrylate, the methacrylate monomer, the fluorine-containing monomer BY-F300 and the organic silane, dissolving the rest persulfate BY the rest 1/3 deionized water, continuously and uniformly dropwise adding a persulfate solution, maintaining the temperature at (80 +/-2) DEG C, and keeping the temperature for 60 minutes after dropwise adding; and cooling to about 40 ℃, and obtaining the silicofluoride modified acrylic waterproof emulsion after the temperature of the emulsion is reduced to room temperature.
The invention has the beneficial effects that:
1. fluorine-containing monomers BY-F300 are introduced into the acrylic acid copolymerization seed emulsion to react with organosilane, so that the prepared silicon-fluorine modified acrylic acid waterproof emulsion with the core-shell structure has lower thermal conductivity and better waterproof performance;
2. The silane modified hollow glass microspheres improve the dispersibility and compatibility of the hollow glass microspheres in the coating, so that the hollow glass microspheres are uniformly distributed in the coating and are matched with heat-insulating materials such as rutile titanium dioxide, silicon dioxide aerogel, ceramic fibers and the like for use, and the solar radiation reflection rate and the heat energy transfer rate of the coating are greatly improved;
3. the silicon-fluorine modified acrylic acid waterproof emulsion is used as a base material, so that the coating has good water resistance, weather resistance and ultraviolet resistance, the waterproof capability of the coating is improved, and the service life of the coating is prolonged.
Detailed Description
Example 1:
65 parts of deionized water, 0.6 part of thickening agent, 0.8 part of dispersing agent, 0.3 part of defoaming agent, 30 parts of rutile type titanium dioxide, 15 parts of silicon dioxide aerogel and 15 parts of ceramic fiber are sequentially stirred and mixed, then the mixture is dispersed at a high speed for 15-20 min to be uniform under the condition of 1000-1500 r/min, and then 20 parts of modified hollow glass microspheres are added and dispersed at 600-800 r/min for 5-10 min to prepare pre-slurrying. And then sequentially dispersing 0.3 part of defoaming agent, 5 parts of antifreezing agent, 8 parts of hydrophobic agent, 50 parts of silicon-fluorine modified acrylic acid waterproof emulsion, 5 parts of film-forming additive and the like at a speed of 500-600 r/min for 10-15 min until the mixture is uniformly dispersed, and finally adding 0.5 part of AMP-95 to adjust the PH value to obtain the waterproof reflective heat-insulation coating.
Example 2:
65 parts of deionized water, 0.6 part of thickening agent, 0.8 part of dispersing agent, 0.3 part of defoaming agent, 30 parts of rutile type titanium dioxide, 15 parts of silicon dioxide aerogel and 15 parts of ceramic fiber are sequentially stirred and mixed, then the mixture is dispersed at a high speed for 15-20 min to be uniform under the condition of 1000-1500 r/min, and then 30 parts of modified hollow glass microspheres are added and dispersed at 600-800 r/min for 5-10 min to prepare pre-slurrying. And then sequentially dispersing 0.3 part of defoaming agent, 5 parts of antifreezing agent, 8 parts of hydrophobic agent, 60 parts of silicon-fluorine modified acrylic acid waterproof emulsion, 5 parts of film-forming additive and the like at a speed of 500-600 r/min for 10-15 min until the mixture is uniformly dispersed, and finally adding 0.5 part of AMP-95 to adjust the PH value to obtain the waterproof reflective heat-insulation coating.
Example 3:
65 parts of deionized water, 0.6 part of thickening agent, 0.8 part of dispersing agent, 0.3 part of defoaming agent, 40 parts of rutile type titanium dioxide, 15 parts of silicon dioxide aerogel and 15 parts of ceramic fiber are sequentially stirred and mixed, then the mixture is dispersed at a high speed for 15-20 min to be uniform under the condition of 1000-1500 r/min, and then 20 parts of modified hollow glass microspheres are added and dispersed at 600-800 r/min for 5-10 min to prepare pre-slurrying. And then sequentially dispersing 0.3 part of defoaming agent, 5 parts of antifreezing agent, 8 parts of hydrophobic agent, 60 parts of silicon-fluorine modified acrylic acid waterproof emulsion, 5 parts of film-forming additive and the like at a speed of 500-600 r/min for 10-15 min until the mixture is uniformly dispersed, and finally adding 0.5 part of AMP-95 to adjust the PH value to obtain the waterproof reflective heat-insulation coating.
Comparative example 1:
65 parts of deionized water, 0.6 part of thickening agent, 0.8 part of dispersing agent, 0.3 part of defoaming agent, 30 parts of rutile type titanium dioxide, 15 parts of silicon dioxide aerogel and 15 parts of ceramic fiber are sequentially stirred and mixed, then the mixture is dispersed at a high speed for 15-20 min to be uniform under the condition of 1000-1500 r/min, and then 20 parts of unmodified hollow glass microspheres are added and dispersed at 600-800 r/min for 5-10 min to prepare pre-slurrying. And then sequentially dispersing 0.3 part of defoaming agent, 5 parts of antifreezing agent, 8 parts of hydrophobic agent, 50 parts of silicon-fluorine modified acrylic acid waterproof emulsion, 5 parts of film-forming additive and the like at a speed of 500-600 r/min for 10-15 min until the mixture is uniformly dispersed, and finally adding 0.5 part of AMP-95 to adjust the PH value to obtain the waterproof reflective heat-insulation coating.
Comparative example 2:
65 parts of deionized water, 0.6 part of thickening agent, 0.8 part of dispersing agent, 0.3 part of defoaming agent, 30 parts of rutile type titanium dioxide, 15 parts of silicon dioxide aerogel and 15 parts of ceramic fiber are sequentially stirred and mixed, then the mixture is dispersed at a high speed for 15-20 min to be uniform under the condition of 1000-1500 r/min, and then 20 parts of modified hollow glass microspheres are added and dispersed at 600-800 r/min for 5-10 min to prepare pre-slurrying. And then sequentially dispersing 0.3 part of defoaming agent, 5 parts of antifreezing agent, 8 parts of hydrophobic agent, 50 parts of aqueous acrylic emulsion, 5 parts of film-forming aid and the like at 500-600 r/min for 10-15 min until the mixture is uniformly dispersed, and finally adding 0.5 part of AMP-95 to adjust the pH value to obtain the waterproof reflective heat-insulating coating.
The examples 1 to 3 and the comparative examples 1 to 2 are tested according to the regulations of the national standard GB/T9755-:
Claims (4)
1. the waterproof reflective heat-insulation coating is characterized in that the mass ratio of reflective heat-insulation powder in the formula is as follows:
rutile type titanium dioxide: modified hollow glass beads: silica aerogel: ceramic fiber = 3-4: 2-3: 1.5-2: 1.5 to 2.
2. The waterproof reflective heat-insulating coating as claimed in claim 1, wherein the mass ratio of the silicofluoride modified acrylic waterproof emulsion to the reflective heat-insulating powder is 5-6: 8 to 11.
3. The waterproof reflective heat-insulating coating as claimed in claim 1, wherein the silicofluoride modified acrylic waterproof emulsion comprises the following components in parts by mass:
25-50 parts of butyl acrylate,
30-60 parts of methacrylate
BY-F30015-30 parts,
5-15 parts of organic silane,
4-8 parts of an emulsifier,
0.3 to 0.8 portion of persulfate,
0.5-1 of PH regulator
120-280 parts of deionized water.
4. The silicon-fluorine modified acrylic acid waterproof emulsion as claimed in claim 3, wherein the organosilane is octamethylcyclotetrasilane used in combination with any one of methacryloxypropyltrimethoxysilane and vinyltriethoxysilane in a ratio of 1: 1; the emulsifier is Triton X-100 and at least one of OP-10 or AEO-9 in a ratio of 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010459735.6A CN113717601A (en) | 2020-05-26 | 2020-05-26 | Waterproof reflective heat-insulating coating and preparation method thereof |
Applications Claiming Priority (1)
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Cited By (5)
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| CN114456659A (en) * | 2022-02-22 | 2022-05-10 | 白稀坤域能源科技(成都)有限公司 | Solar heat reflection heat insulation coating and preparation method thereof |
| CN114960226A (en) * | 2022-07-06 | 2022-08-30 | 河南步锐实业有限公司 | Heat-insulation flexible freight bag and preparation process thereof |
| CN115785748A (en) * | 2022-11-30 | 2023-03-14 | 南京星起源新材料科技有限公司 | Single-component aqueous heat-reflecting heat-insulating colorful coating and preparation method thereof |
| CN115873444A (en) * | 2022-12-21 | 2023-03-31 | 安徽凯盛基础材料科技有限公司 | Self-dispersed modified ultralight hollow glass microsphere and preparation method and application thereof |
| CN116731585A (en) * | 2023-07-11 | 2023-09-12 | 上海京球新材料科技有限公司 | Transparent elastic water-non-stick coating and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114456659A (en) * | 2022-02-22 | 2022-05-10 | 白稀坤域能源科技(成都)有限公司 | Solar heat reflection heat insulation coating and preparation method thereof |
| CN114960226A (en) * | 2022-07-06 | 2022-08-30 | 河南步锐实业有限公司 | Heat-insulation flexible freight bag and preparation process thereof |
| CN115785748A (en) * | 2022-11-30 | 2023-03-14 | 南京星起源新材料科技有限公司 | Single-component aqueous heat-reflecting heat-insulating colorful coating and preparation method thereof |
| CN115873444A (en) * | 2022-12-21 | 2023-03-31 | 安徽凯盛基础材料科技有限公司 | Self-dispersed modified ultralight hollow glass microsphere and preparation method and application thereof |
| CN116731585A (en) * | 2023-07-11 | 2023-09-12 | 上海京球新材料科技有限公司 | Transparent elastic water-non-stick coating and preparation method thereof |
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Application publication date: 20211130 |