CN110396337A - A kind of preparation method of nano thermal insulation heat-insulating energy-saving paint - Google Patents
A kind of preparation method of nano thermal insulation heat-insulating energy-saving paint Download PDFInfo
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- CN110396337A CN110396337A CN201910669936.6A CN201910669936A CN110396337A CN 110396337 A CN110396337 A CN 110396337A CN 201910669936 A CN201910669936 A CN 201910669936A CN 110396337 A CN110396337 A CN 110396337A
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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
- 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
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1637—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
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- 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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of preparation methods of nano thermal insulation heat-insulating energy-saving paint, including the following steps: that (1) coupling agent is added in solvent dissolves coupling agent sufficiently, add nanofiller, vacuum filter after sonic oscillation, filter cake is washed with dichloromethane solvent and is dried in vacuo, the nanofiller being surface-treated；(2) water, dispersing agent, wetting agent, defoaming agent, coalescing agent and antimildew disinfectant are added in dispersion machine and are stirred at low speed, the nanofiller that surface treatment is added carries out high-speed stirred, acrylic emulsion, hollow ceramic microballon and defoaming agent is added and carries out moderate-speed mixer, finally filters and packages.Nano thermal insulation heat-insulating energy-saving paint made of the present invention substantially increases the heat insulation of coating by the synergistic effect between nanofiller, and nanofiller dispersibility and stability in coating is preferable, coating washability stain resistant, long service life.The manufacturing method of coating is easy to operate, convenient to carry out, and used raw material is environment-protecting and non-poisonous.
Description
Technical field
The invention belongs to insulating mold coating fields, and in particular to a kind of preparation side of nano thermal insulation heat-insulating energy-saving paint
Method.
Background technique
Heat-insulating (insulation) heat preservation is energy saving, raising building inhabitation and an importance using function.
Building energy consumption in the entire energy consumption of the mankind proportion generally 30%~40%.And wherein the overwhelming majority is heating and sky
The energy consumption of tune, therefore building energy conservation is significant.
Heat-insulating material is the material base of building energy conservation.Currently, heat-barrier material is undergoing one by industrial heat-insulated
It keeps the temperature to the transformation based on building heat insulation, this is also one of the main direction of development of heat-insulating heat-preserving material from now on.As one
Kind novel building heat insulation material, building heat insulation coating are excellent because economical, easy to use and heat insulation and preservation effect is good etc.
It puts and increasingly has been favored by people, development prospect is optimistic, will be expected to cause Coating Market and heat-insulating heat-preserving material application neck
The expansion in domain.
Conventional thermal barrier thermal insulation material is based on improving porosity, raising thermal resistance, reduce conduction heat transfer.Fiber-like thermal insulation material
Convective heat transfer and radiant heat transfer swash acute raising at service temperatures, and insulating layer is thicker；Inorganic class thermal insulation material and more genotypes
Material is constructed inconvenient because seam；Some water absorption rates are high, and not anti-vibration, service life is short, also needs set up defences water layer and outer shield
Layer.
Heat preservation technology develops to efficient, thin layer, heat-insulated, waterproof, the outer integrated direction of shield, how to make full use of heat-transfer machine
Reason development of new energy-saving material is important developing direction.And not only itself thermal resistance is big, thermal coefficient for thin layer thermal insulation coating
It is low, and heat reflectivity is very high, can be effectively reduced radiant heat transfer and convective heat transfer, and can be compound with conventional porous thermal insulation material
Using Low emissivity heat transfer structure is constituted, insulating efficiency is improved.Thin layer thermal insulation coating is sprayable or brush application, and coating is thin,
It is seamless, it is easy for construction.Coating is good with substrate bonding power, does not fall off, good toughness, and elongation percentage is high, good waterproof performance, service life
It is long.
Insulating mold coating can be divided into isolation-type, reflection-type and radial pattern.Isolation-type insulating moulding coating is introduced in coating
The functional stuffing of low thermal conductivity reduces the rate of heat transfer to achieve the purpose that heat-insulation and heat-preservation.Reflective insulation coating is
The functional stuffing high to visible light and near infrared region 400~1800nm wave-length coverage internal reflection rate is added in coating to apply to improve
It is heat-insulated to achieve the purpose that expect the reflectivity to visible light and near infrared region.Radiation Heat-insulated Paint be added in coating it is red
The good functional stuffing of external radiation, the light and heat amount that film is absorbed is in 8.0~13.5 μ m wavelength ranges with infra-red radiation
Mode be radiated in air, to play heat-insulated effect.
Nanofiller is a kind of additive of common heat insulating coatings, since nanofiller surface free energy is high, if
Disperse in base-material it is insufficient, nanofiller be easy to happen part reunite the phenomenon that, lead to the heat insulation of heat insulating coatings
It substantially reduces.And the wearability and abrasion resistance of existing heat insulating coatings are poor, cause the heat-insulating heat-preserving material service life compared with
It is short.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of nano thermal insulation heat-insulating energy-saving paint, suitable by selecting
Film forming binder, nanoscale heat preservation filler and reflection filler prepare nano thermal insulation insulating moulding coating, barrier property is heat-insulated, reflective insulation
It is integrated with radiation heat insulation, improves heat insulating effect, and by determining reasonable formula and production technology.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of preparation method of nano thermal insulation heat-insulating energy-saving paint, it is characterised in that include the following steps:
(1) surface treatment of nanofiller: coupling agent, which is added in solvent, dissolves coupling agent sufficiently, adds nanometer and fills out
Expect, vacuum filter after sonic oscillation is washed filter cake with solvent and is dried in vacuo, the nanofiller being surface-treated；
(2) preparation of nano thermal insulation heat-insulating energy-saving paint: by water, dispersing agent, wetting agent, defoaming agent, coalescing agent, mould proof
Fungicide and emulsifier, which are added in dispersion machine, to be stirred at low speed, and the nanofiller that surface treatment is added carries out high-speed stirred, is added
Enter acrylic emulsion, hollow ceramic microballon and defoaming agent and carry out moderate-speed mixer, finally filters and packages.
The present invention is using acrylic emulsion as film forming binder, and acrylic resin weatherability is strong, and adhesion is good, and rust-preventing characteristic is excellent
Good, the outdoor service life is 8~10 years.The chain rupture of local molecular chain occurs for this macromolecule resin, is micronized coating surface, through rain
After water washes away, fresh coating surface of getting back makes coating be constantly in brand-new state, can guarantee and apply in use process outdoors
The high solar heat reflection ability of layer.
Hollow ceramic microballon can be such that molecular vibration heat transfer and convection current two ways completely disappears, and can effectively enhance heat-insulated
Heat insulation effect.And since the structure of hollow ceramic microballon is special, possesses feature hollow, light, that thermal conductivity is low, reach barrier
The purpose of heat has the composite efficacy for obstructing heat-insulated and reflective insulation concurrently.
Nanofiller reflection efficiency with higher, and have effect to infra-red radiation, have reflective insulation and radiation every
Heat meets effect.
Coupling agent can be modified to nanofiller surface, reduces the free energy and polarity of nanoparticle surface, makes hydrophilic
Nanoparticle is changed into lipophilicity, and under the action of having dispersing agent, easily disperses in water, keeps it in coating system
The nano-scale of particle gives full play to the characteristic property of nano material.The preferred silane coupling agent of coupling agent.
The addition of the auxiliary agents such as dispersing agent, coalescing agent increases the stability and service life of coating system.Wherein dispersing agent
It is preferred that polyacrylic acid sodium salt, the preferred sulfonate type anionic surfactant of wetting agent, the preferred silicone defoaming agent of defoaming agent, at
Preferably 2,2,4- trimethyl -1,3 pentanediol mono isobutyrate of film auxiliary agent, the preferred LXE of antimildew disinfectant, the preferred dodecane of emulsifier
Base sodium sulphate.
Preferably, nanofiller is selected from nanometer Al2O3, nano-TiO2, Nano-meter SiO_22Or one of nano PTFE micro mist or
It is a variety of.Nanometer Al2O3, nano-TiO2, Nano-meter SiO_22There is higher light reflectivity, and the contrast ratio of coating can be improved.It receives
Rice Al2O3And Nano-meter SiO_22Same nano-TiO2Synergistic effect is played together, so that coating reflect in near-infrared radiation.Nanometer
TiO2Be improved the effect of coating abrasion resistance and stain resistance with nano PTFE.Nano-TiO2Coating can significantly be improved
Ageing-resistant performance.Nano PTFE micro mist can also improve the weatherability and wearability of coating.
Preferably, the coupling agent in step (1) and the mass ratio of nanofiller are 1~12:50, preferably 6~12:50.It is even
Join agent dosage influence nanofiller absorbance, coupling agent dosage is bigger, and nanoparticle absorbance is higher, when coupling agent with receive
The mass ratio of rice filler is 6~12:50, and nanofiller absorbance change is smaller, illustrates that the coupling of nanoparticle surface occurs most
Bigization.
Preferably, in step (2) each component mass fraction are as follows: 10-15 parts of water, 0-1 parts of dispersing agent, wetting agent 0-0.5
Part, 0-1 parts of defoaming agent, 0-1 parts of coalescing agent, 0-0.3 parts of antimildew disinfectant, 0-0.5 parts of emulsifier, nanometer Al2O30-5 parts,
Nano-TiO20-25 parts, Nano-meter SiO_220-5 parts, 0-5 parts of nano PTFE, 30-50 parts of acrylic emulsion, hollow ceramic microballon 0-
10 parts.
Preferably, acrylic emulsion is selected from one of aqueous acrylic emulsion or organosilicon-acrylic resin emulsion or a variety of.
Preferably, solvent is selected from one of methylene chloride or toluene or a variety of.
Preferably, it in step (2), is added after the nanofiller of surface treatment, stops stirring, using sand mill by coating
Grinding is carried out until fineness is less than 10 μm.
Preferably, in step (1), the sonic oscillation time is 0.5-4h, and vacuum drying time is greater than for 24 hours.
Preferably, in step (2), stirring at low speed the time is 2-10min, and the high-speed stirred time is 20-30min, and middling speed is stirred
Mixing the time is 10-20min.
Preferably, in step (2), it is filtered the pH to 8-9 that ammonium hydroxide adjusting coating is first used before packaging, then use thickener
The viscosity of adjusting coating is to 90-100KU.
Due to the adoption of the above technical scheme, the invention has the following advantages:
Nano thermal insulation heat-insulating energy-saving paint made of the present invention is substantially increased by the synergistic effect between nanofiller
The heat insulation of coating, nanofiller dispersibility and stability in coating is preferable, coating washability stain resistant, service life
It is long.The manufacturing method of coating is easy to operate, convenient to carry out, and used raw material is environment-protecting and non-poisonous.
1, isolation-type is heat-insulated, reflection type thermal insulation and radiation type heat-insulation are integrated, and improve the heat insulating effect of coating.
2, filler is kept the temperature to nanoscale using newest nanotechnology and reflection filler is modified, with the spoke of reinforcing filler
Penetrate heat-insulated and reflective insulation performance.
3, it is that auxiliary agent enhances dispersibility and stability of the nanofiller in coating that organo-silicon coupling agent, which is added,.
4, nano TiO 2 synergic nano PTFE improves coating abrasion resistance and stain resistance.
5, nano PTFE micro mist improves the weatherability and wearability of coating, extends coating service life.
Specific embodiment
Below according to embodiment, the invention will be further described.
Raw material sources in embodiment are as shown in table 1.
Table 1: the raw material of nano thermal insulation heat-insulating energy-saving paint
Embodiment 1
The surface treatment of nanofiller: 500ml tetra- is added in 200ml dichloromethane solvent and 6g coupling agent (YDH-550)
In mouth flask, and 10min is stirred, makes coupling agent after completely dissolution, add about 50g nanofiller, sonic oscillation 0.5h, vacuum
Filtering, is washed with 100ml dichloromethane solvent, then by resulting filter cake, is dried in vacuo under the conditions of 85 DEG C for 24 hours, system
The nanofiller that must be surface-treated.
The preparation of nano thermal insulation heat-insulating energy-saving paint: being added water in dispersion machine, opens dispersion machine and stirs at low speed motor, then
Part is added and quantifies dispersing agent, wetting agent, defoaming agent, coalescing agent, antimildew disinfectant and emulsifier, stirring after five minutes, is put into
The surface treated nanometer Al of respective numbers2O3, nano-TiO2, Nano-meter SiO_22, nano PTFE, open dispersion machine high-speed stirred
Motor, high speed dispersion 20~30 minutes.It sequentially closes the high speed of dispersion machine, stir at low speed motor, open sand mill and ground,
The auxiliary agents such as quantitative acrylic emulsion, hollow ceramic microballon and part defoaming agent are added after fineness is less than 10 μm, open
In, slowspeed machine stir 10~20 minutes, adjust viscosity to 90~100KU with ammonium hydroxide tune pH to 8-9, then with thickener, carry out
It filters and packages.The mass fraction of each component is as shown in table 1.
Embodiment 2
The surface treatment of nanofiller: 500ml tetra- is added in 200ml dichloromethane solvent and 8g coupling agent (YDH-550)
In mouth flask, and 10min is stirred, makes coupling agent after completely dissolution, add about 50g nanofiller, sonic oscillation 2h, vacuum mistake
Filter, is washed with 100ml dichloromethane solvent, then by resulting filter cake, carries out vacuum drying 36h under the conditions of 85 DEG C, is made
The nanofiller of surface treatment.
The preparation of nano thermal insulation heat-insulating energy-saving paint: preparation method is with embodiment 1, the wherein mass fraction of each component such as table
Shown in 2.
Embodiment 3
The surface treatment of nanofiller: 500ml tetra- is added in 200ml dichloromethane solvent and 12g coupling agent (YDH-550)
In mouth flask, and 10min is stirred, makes coupling agent after completely dissolution, add about 50g nanofiller, sonic oscillation 4h, vacuum mistake
Filter, is washed with 100ml dichloromethane solvent, then by resulting filter cake, carries out vacuum drying 48h under the conditions of 85 DEG C, is made
The nanofiller of surface treatment.
The preparation of nano thermal insulation heat-insulating energy-saving paint: preparation method is with embodiment 1, the wherein mass fraction of each component such as table
Shown in 2.
Embodiment 4
The surface treatment of nanofiller: tetra- mouthfuls of 500ml burnings are added in 200ml toluene solvant and 6g coupling agent (YDH-550)
In bottle, and 10min is stirred, make coupling agent after completely dissolution, adds about 50g nanofiller, sonic oscillation 2h, vacuum filter,
It is washed with 100ml dichloromethane solvent, then by resulting filter cake, is dried in vacuo under the conditions of 85 DEG C for 24 hours, surface is made
The nanofiller of processing.
The preparation of nano thermal insulation heat-insulating energy-saving paint: preparation method is with embodiment 1, the wherein mass fraction of each component such as table
Shown in 2.
Embodiment 5
The surface treatment of nanofiller: tetra- mouthfuls of 500ml burnings are added in 200ml toluene solvant and 12g coupling agent (YDH-550)
In bottle, and 10min is stirred, make coupling agent after completely dissolution, adds about 50g nanofiller, sonic oscillation 4h, vacuum filter,
It is washed with 100ml dichloromethane solvent, then by resulting filter cake, carries out vacuum drying 48h under the conditions of 85 DEG C, surface is made
The nanofiller of processing.
The preparation of nano thermal insulation heat-insulating energy-saving paint: preparation method is with embodiment 1, the wherein mass fraction of each component such as table
Shown in 2.
Table 2: nano thermal insulation heat-insulating energy-saving paint raw material proportioning (being mass fraction)
| Title | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Water | 10 | 11 | 12.7 | 14 | 15 |
| Nanometer Al2O3 | 1 | 2 | 3 | 4 | 5 |
| Nano-meter SiO_22 | 5 | 10 | 15 | 20 | 25 |
| Nano-TiO2 | 1 | 2 | 3 | 4 | 5 |
| Nano PTFE micro mist | 1 | 2 | 3 | 4 | 5 |
| Hollow ceramic microballon | 2 | 4 | 6 | 8 | 10 |
| Pure-acrylic emulsion | 30 | 0 | 15 | 20 | 25 |
| Silicone acrylic emulsion | 0 | 30 | 15 | 20 | 25 |
| Coalescing agent | 0.1 | 0.3 | 0.5 | 0.7 | 1 |
| Dispersing agent | 0.1 | 0.3 | 0.6 | 0.7 | 1 |
| Wetting agent | 0.1 | 0.2 | 0.2 | 0.4 | 0.5 |
| Defoaming agent | 0.1 | 0.3 | 0.5 | 0.7 | 1 |
| Antimildew disinfectant | 0.05 | 0.1 | 0.1 | 0.2 | 0.3 |
| Thickener | 0.1 | 0.3 | 0.6 | 0.7 | 1 |
| Lauryl sodium sulfate | 0.1 | 0.2 | 0.2 | 0.4 | 0.5 |
The nano thermal insulation heat-insulating energy-saving paint of the preparation of embodiment 1-5 is tested for the property, test result such as 3 institute of table
Show.
Table 3: nano thermal insulation heat-insulating energy-saving paint the performance test results in embodiment 1-5
| Embodiment | 1 | 2 | 3 | 4 | 5 |
| Contrast ratio | 0.920 | 0.940 | 0.965 | 0.966 | 0.969 |
| Stain resistance, % | 2.2 | 2.5 | 2.8 | 3.0 | 2.6 |
| Abrasion resistance, secondary >= | 15000 | 15000 | 15000 | 15000 | 15000 |
| Resistance to ag(e)ing, hour, >= | 1500 | 1500 | 1500 | 1500 | 1500 |
| Heat reflectivity, % | 92.5 | 93.0 | 93.4 | 92.8 | 93.1 |
| Thermal coefficient, W/ (mK) | 0.05 | 0.049 | 0.048 | 0.049 | 0.05 |
| It is insulated grade R | 20.0 | 20.41 | 20.83 | 20.41 | 20.0 |
It can be seen that nano thermal insulation heat-insulating energy-saving paint indices prepared by the present invention are up to state standards GB/ according to table 3
Outside T9755-2001, it is insulated grade: R-20；Heat reflectivity: 0.6；Thermal emissivity rate: 0.7.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (10)
1. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint, it is characterised in that include the following steps:
(1) surface treatment of nanofiller: coupling agent, which is added in solvent, dissolves coupling agent sufficiently, adds nanofiller,
Vacuum filter after sonic oscillation is washed filter cake with solvent and is dried in vacuo, the nanofiller being surface-treated；
(2) preparation of nano thermal insulation heat-insulating energy-saving paint: by water, dispersing agent, wetting agent, defoaming agent, coalescing agent, antimycotic antiseptic
Agent and emulsifier, which are added in dispersion machine, to be stirred at low speed, and the nanofiller that surface treatment is added carries out high-speed stirred, is added third
Olefin(e) acid lotion, hollow ceramic microballon and defoaming agent carry out moderate-speed mixer, finally filter and package.
2. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: described to receive
Rice filler is selected from nanometer Al2O3, nano-TiO2, Nano-meter SiO_22Or one of nano PTFE micro mist or a variety of.
3. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 2, it is characterised in that: the step
Suddenly the coupling agent in (1) and the mass ratio of nanofiller are 1~12:50.
4. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 2, it is characterised in that: the step
Suddenly in (2) each component mass fraction are as follows: 10-15 parts of water, 0-1 parts of dispersing agent, 0-0.5 parts of wetting agent, 0-1 parts of defoaming agent, at
0-1 parts of film auxiliary agent, 0-0.3 parts of antimildew disinfectant, 0-0.5 parts of emulsifier, nanometer Al2O30-5 parts, nano-TiO2It 0-25 parts, receives
Rice SiO20-5 parts, 0-5 parts of nano PTFE, 30-50 parts of acrylic emulsion, 0-10 parts of hollow ceramic microballon.
5. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: described third
Olefin(e) acid lotion is selected from one of aqueous acrylic emulsion or organosilicon-acrylic resin emulsion or a variety of.
6. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: described molten
Agent is selected from one of methylene chloride or toluene or a variety of.
7. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: the step
Suddenly it in (2), is added after the nanofiller of surface treatment, stops stirring, coating is subjected to grinding until fineness using sand mill
It is less than 10 μm.
8. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: the step
Suddenly in (1), the sonic oscillation time is 0.5-4h, and vacuum drying time is greater than for 24 hours.
9. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: the step
Suddenly in (2), stirring at low speed the time is 2-10min, and the high-speed stirred time is 20-30min, and the moderate-speed mixer time is 10-20min.
10. a kind of preparation method of nano thermal insulation heat-insulating energy-saving paint according to claim 1, it is characterised in that: described
In step (2), it is filtered the pH to 8-9 that ammonium hydroxide adjusting coating is first used before packaging, then the viscosity with thickener adjusting coating
To 90-100KU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669936.6A CN110396337A (en) | 2019-07-24 | 2019-07-24 | A kind of preparation method of nano thermal insulation heat-insulating energy-saving paint |
Applications Claiming Priority (1)
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| CN114989548A (en) * | 2022-06-30 | 2022-09-02 | 浙江华正新材料股份有限公司 | Glue solution, film and circuit board |
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