CN109554111A - Nano-thermal-insulating coating for building and preparation method thereof - Google Patents
Nano-thermal-insulating coating for building and preparation method thereof Download PDFInfo
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- CN109554111A CN109554111A CN201811415952.4A CN201811415952A CN109554111A CN 109554111 A CN109554111 A CN 109554111A CN 201811415952 A CN201811415952 A CN 201811415952A CN 109554111 A CN109554111 A CN 109554111A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention discloses a kind of nano-thermal-insulating coatings for building, it is related to paint field, according to the mass fraction, including 10~20 parts of deionized water, crystallite is insulated 20~40 parts of nano powder, and modified crystal whisker of hexa potassium titanate starches 3~5 parts, 10~20 parts of inorganic filler, 15~25 parts of silicone resin emulsion, 5~9 parts of near-infrared reflection powder, 5~15 parts of silicone acrylic emulsion, 4~6 parts of cold pigment and 2~3 parts of auxiliary agent.Coating, which is added to crystallite insulation nano powder and near-infrared reflection powder, reduces the loss of building energy consumption to effectively improve the thermal insulation property of coating.Meanwhile preparation method is simply suitble to scale to be produced.
Description
Technical field
The present invention relates to paint fields, more specifically, it relates to a kind of nano-thermal-insulating coating for building and its preparation side
Method.
Background technique
The whole society is all paying attention to Building Energy-saving and is taking relevant art means, it is intended to energy-saving promotion environmental protection.Mesh
Before, common metope reflective insulation technology is mainly include the following types: (1) outdoor tile facing reflection and heat insulation both at home and abroad, but ceramic tile
It Veneer thickness and coheres screed body and thickens wall, ceramic tile and exterior wall are easy to fall off between cohering, and building waste increases, and fall the peace such as brick
Full hidden danger, building cost are high.(2) glass bead combination grid cloth heat-insulation and heat-preservation is reinforced with the mating grid cloth of glass bead to protect
The heat-insulated component of temperature, is equipped with cement, renewable dispersed latex, anti-crack fiber earns the heat insulating mortar that aqua is configured to, the construction
Technology heat insulation layer overall thickness 2-3cm influences big, secondary decoration difficulty, insulating and external wall on architectural appearance
Between degree of cohering than more serious, be easy to fall off, save glass bead layer and be difficult to detect, easy material reducing subtracts construction link.(3) plug-in
Formula decoration of exterior wall heat-insulating composite plate, lightweight dry-hang board insulation, plug-in heat-insulating heat-preserving material have rock wool board, glass
Cotton, felt, polystyrene cystosepiment, haydite, which mixes soil and imitates, compound gathers stupid imitative actual load plaque, this external hanging type external wall thermal insulation material
When installation fee, difficulty of construction is big, and big, engineering cost height is influenced on the decoration of monolithic architecture.(4) polyphenyl plate cast-in-place concrete and steel
Reinforced concrete heat preservation composite wall, external-wall exterior insulation.Styrofoam is built in building mould in concrete frame shear body system by the technology
In plate, it is mounted on the wall outer side that will be poured, is then poured concrete, concrete is compound with styrofoam one-time cast-forming
Wall and steel wire net rack thermal-insulating board two sides casting or gunite concrete formed heat-insulation and heat-preservation in one armored concrete it is compound
Wall, this construction accounts for the leading duration and cost is high, and steel are that heat conductor can reduce heat insulation and preservation effect.Heat-insulated guarantor in summary
Although temperature technique effect is pretty good, to load-bearing itself is built, thickness of wall body is very big on influences such as decorations, and engineering accident difficulty is big,
Consumptive material and project cost increase is very big.Thus, it is necessary to develop a kind of coating with energy saving and heat preservation effect.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of nano-thermal-insulating coating for building,
Have the characteristics that good effect of heat insulation, easy for construction, while preparation method also relatively simple suitable large-scale production.
To achieve the above object, the present invention provides the following technical scheme that a kind of nano-thermal-insulating coating for building, by quality
Number meter, including 10~20 parts of deionized water, crystallite is insulated 20~40 parts of nano powder, and modified crystal whisker of hexa potassium titanate starches 3~5 parts,
It is 10~20 parts of inorganic filler, 15~25 parts of silicone resin emulsion, 5~9 parts of near-infrared reflection powder, 5~15 parts of silicone acrylic emulsion, cold
4~6 parts and 2~3 parts of auxiliary agent of pigment.
By using above-mentioned technical proposal, microcrystal nanometer powder insulation has three-dimensional stone structure, and specific surface area is very big, thus
With very big surface-active, microcrystal nanometer is evenly dispersed into coating to the rheological characteristic and suspension that can improve coating, greatly
Compactness, toughness, abrasion resistance and the stain resistance of film are improved greatly.The microcrystal nanometer material that our company uses is for nanometer
Undefined structure, has an extremely strong UV absorption, infrared external reflection characteristic, and uv absorption rate to wavelength less than 4 μm is up to 70%
More than, the infrared reflection rate to wavelength greater than 8 μm not only can significantly reduce due to ultraviolet light and cause up to 70% or more
Film dusting speed improves weather-proof durability, and since its infrared radiation property is good, object can be absorbed heat and effectively emitted
It goes out, object is made to cool down.Meanwhile microcrystal nanometer porous material, because of its unique structure, thermal conductivity is less than 0.013 under normal temperature and pressure
W/m × K, it is also lower than the thermal conductivity of still air (0.026w/km), it is the minimum solid material of current thermal conductivity, it can be effective
The inside conduction for preventing heat, greatly improves the energy conservation of building.
The main purpose of coating heat-reflecting insulating coating is the surface temperature and internal temperature in order to reduce object, therefore institute
The pigment of selection should have reflection as big as possible, emitting performance, be the bigger the better to the reflectivity of visible light and near infrared light, will apply
The solar energy that layer absorbs is launched by atmospheric window (8~13.5 μm).Cold pigment is compared with common pigments, in visible region
Domain difference is little, but performance has much been higher by common pigments in terms of near-infrared reflection, substantially increases overall sunlight hair
Ratio is penetrated, and the coating heating made is low, thermal degradation is also low, substantially increases the weatherability of coating, extends the use of coating
Time limit.
Preferably, the inorganic filler includes hollow glass micropearl and conch meal.
By using above-mentioned technical proposal, hollow glass micropearl has the characteristics that hollow, lightweight, appearance are mostly spherical shape.With
The filler of other shapes is compared, and for the surface-to-volume of cenosphere than minimum, oil absorption is low, can reduce the dosage of resin.It is heavier
What is wanted is that cenosphere has mutually independent hollow microstructure, can effectively trap heat be transmitted, thermal insulation with higher
Can, it is the Typical fillers for preparing reflective heat-insulation paint.But for cenosphere partial size mostly at 40~60 μm, additive amount is more than certain proportion
After will affect surface of the paint film flatness, and then reduce paint film contaminated resistance.
And the main component of conch meal is calcium carbonate, can accelerate the solidification rate of coating in the construction process.
Preferably, the conch meal is through the mixed enzyme solution processing containing alkali protease, papain and trypsase
Grinding shells after be made.
By using above-mentioned technical proposal, after three kinds of enzymatic treatments, the chitin in shell can effectively discharge
Out.And chitin inherently has stronger antibiotic and sterilizing performance, to be conducive to that fungi is avoided to carry out on building wall
Growth, and acid or corrosive substance is secreted out of, so that the metope to building damages.In addition, chitin also have compared with
Strong year viscosity, the adhesion firmness that can be further ensured that between each component, to improve the adhesive ability of coating.
The preferably described auxiliary agent includes iodized salt, lubricant, antioxidant and anti ultraviolet agent, and iodized salt, lubricant, antioxygen
The mass ratio of agent and anti ultraviolet agent is 1: 2: 0.5: 1.5.
Preferably, the iodized salt is lithium iodide.
By using above-mentioned technical proposal, lithium iodide compared to other iodized salts, not only due to the physical property of itself and
Improve the thermal stability of coating.Meanwhile the lithium ion in lithium iodide can also have cooperation between the carbonyl in coating
Effect, produces the structure of similar network, hinders the movement of coating strand and corresponding free radical, thus makes polymer molecule
Chain need to overcome bigger energy barrier when being thermally decomposed than entirely free on his strand, thus, promote thermoplastic elastomer (TPE) to have
Higher thermal decomposition temperature.
Preferably, the lubricant is TAF.
By using above-mentioned technical proposal, such TAF lubricant can not only enhance the greasy property between each raw material, make
Obtaining can be sufficiently mixed between each raw material during production.Meanwhile also having and the surface portion polarity such as conch meal
The polar group structure that group combines.For entire compound system, TAF lubricant can also promote conch meal etc. and have
Similar anchoring node is formd between machine silicon, improves the bond state of conch meal etc. He silicone resin emulsion, and then improve
The dispersibility in silicone resin emulsion such as conch meal.
Preferably, the antioxidant is the mixture of antioxidant 1076, antioxidant 1010 and irgasfos 168, and antioxidant
1076, the mass ratio of antioxidant 1010 and irgasfos 168 is 1: 3: 1.
By using above-mentioned technical proposal, above-mentioned antioxidant can effectively improve the antioxidant of coating, be conducive in this way
Extend the service life of coating.Also, the composite antioxidant being made into antioxidant 1076, antioxidant 1010 and irgasfos 168
With preferably antioxygenic property.
Preferably, the anti ultraviolet agent is 2- (2 '-hydroxyls -3 ', 5 '-two tertiary phenyl) -5- chlorination benzotriazole.
By using above-mentioned technical proposal, 2- (2 '-hydroxyls -3 ', 5 '-two tertiary phenyl) -5- chlorination benzotriazole can be strong
Absorbing wavelength is the ultraviolet light of 270~380nm, and chemical stability is good, and volatility is minimum.Also, it also has excellent heat-resisting
Sublimability, washing fastness, resistance to gas fadedness and mechanical performance retentivity.A kind of preparation side of nano-thermal-insulating coating for building
Method, comprising the following steps:
Step 1: first measuring 10~20 parts of deionized water, 20~40 parts of nano powder of insulation, modified crystal whisker of hexa potassium titanate are added later
3~5 parts and 15~25 parts of silicone resin emulsion of slurry are fully stirred, and just mixed object is obtained；
Step 2: 10~20 parts of inorganic filler, 5~9 parts of near-infrared reflection powder are added in first mixed object into step 1, the third cream of silicon
5~15 parts of liquid, 4~6 parts of cold pigment and 2~3 parts of auxiliary agent, continue to mix, finished product coating are obtained after fully dispersed.
It by using above-mentioned technical proposal, is mixed step by step, can effectively guarantee that each material fully divides in coating
It dissipates.And then it is also beneficial to guarantee the stability of coating.
Preferably, the revolving speed of step 1 stirring is 500~700rpm, the revolving speed of step 2 stirring is 600~
1000rpm。
It selects 500~700rpm to be stirred in step 1, can be avoided modified crystal whisker of hexa potassium titanate in this way and stirred initially
The problem of further fragmentation occurs during mixing.And the speed of step 2 stirring is adjusted to 600~1000rpm, this is because this
When modified crystal whisker of hexa potassium titanate around with the presence of unclassified stores, so as to protect to it, and accelerate mixing speed
It can be improved coating material production efficiency again.
In conclusion the invention has the following advantages:
1, crystallite insulation nano powder and near-infrared reflection powder are added first in coating, pass through heat-insulated and two kinds of sides of reflection in this way
Formula is lost with significantly reducing energy；
2, on the other hand addition can also be mentioned through enzyme solution treated conch meal, the curing efficiency for the coating that on the one hand can slow down
High anti-microbial property reduces the probability that mushroom is bred on coating surface layer, to also just reduce building wall by biological damage
Probability；
3, lithium iodide is added, the energy barrier of each material in coating can be effectively improved, to advantageously ensure that coating in the hot summer
Stability in it.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of nano-thermal-insulating coating for building.
Specific embodiment
Below in conjunction with attached drawing 1, invention is further described in detail.
Embodiment one,
A kind of preparation method of nano-thermal-insulating coating for building, comprising the following steps:
Step 1: first measuring deionized water 10Kg, crystallite is added later and is insulated nano powder 20Kg, modified crystal whisker of hexa potassium titanate slurry
3Kg and silicone resin emulsion 15Kg are fully stirred, and the revolving speed of stirring is 500rpm, and raises the temperature to 40
DEG C, it stirs and continues 1h, obtain just mixed object；
Step 2: be added in first mixed object into step 1 inorganic filler 10Kg, near-infrared reflection powder 5Kg, silicone acrylic emulsion 5Kg,
Cold pigment 4Kg and auxiliary agent 2Kg, continues to mix, and the revolving speed of stirring is 600rpm, and temperature continues to be increased to 80 DEG C, and stirring is held
Continuous 3h, obtains finished product coating after fully dispersed.
Wherein, crystallite insulation nano powder can be stepped from Britain's Hensel and be bought, and near-infrared reflection powder can be stepped from Britain's Hensel and be bought,
Cold pigment can be bought from U.S. Xue Te shepherd.Furthermore the preparation of modified crystal whisker of hexa potassium titanate slurry: by silane coupling agent, divide
Powder, wetting agent, defoaming agent and pH adjusting agent with mass ratio be 1: 1.2: 1.5: 1: 0.7 be added deionized water in, wherein go from
The total amount of sub- water and above-mentioned auxiliary agent ratio is 15: 1, is stirring evenly and then adding into crystal whisker of hexa potassium titanate, high speed dispersion 1h is made
The crystal whisker of hexa potassium titanate of 80wt% is starched.In addition, inorganic filler herein is mainly hollow glass micropearl and conch meal, wherein hollow
The mass ratio of glass microballoon and conch meal be 1: 2, while conch meal the preparation method comprises the following steps: first prepare 50ml pH be 8.0 sulfurous
Sour sodium buffer solution uses 1ml Qula logical as surfactant, and alkali protease, pawpaw egg using mass ratio for 1: 1: 1
The group synthase 5g of white enzyme and trypsase is catalyzed；By sodium sulfite buffer solution, Qula is logical and group synthase three is mixed to get
Enzyme solution；Shell is soaked in enzyme solution, control constant temperature shaker temperature is 50 DEG C, is hydrolyzed 2 hours under conditions of revolving speed 300r/min；
Later, the conch meal for being 10 μm at average particle size by grinding shells.Wherein, the preparation of sodium sulfite buffer solution is existing skill
Art, and be not the core content of the application, because without being developed in details herein.
In addition, auxiliary agent is mainly made of iodized salt, lubricant, antioxidant and anti ultraviolet agent, and it is iodized salt, lubricant, anti-
The mass ratio of oxygen agent and anti ultraviolet agent is 1: 2: 0.5: 1.5.Meanwhile iodized salt selection is potassium iodide, certainly according to practical need
Also cuprous iodide etc. can be used；And that lubricant is selected is TAF, what antioxidant was selected is antioxidant 1076, antioxidant
1010 and irgasfos 168 mixture, and the mass ratio of antioxidant 1076, antioxidant 1010 and irgasfos 168 be 1: 3: 1, and
What anti ultraviolet agent was selected is 2- (2 '-hydroxyls -3 ', 5 '-two tertiary phenyl) -5- chlorination benzotriazole.
Embodiment two,
A kind of preparation method of nano-thermal-insulating coating for building, is with the difference of embodiment one, comprising the following steps:
Step 1: first measuring deionized water 20Kg, crystallite is added later and is insulated nano powder 40Kg, modified crystal whisker of hexa potassium titanate slurry
5Kg and silicone resin emulsion 25Kg are fully stirred, and the revolving speed of stirring is 700rpm, and raises the temperature to 50
DEG C, it stirs and continues 2h, obtain just mixed object；
Step 2: be added in first mixed object into step 1 inorganic filler 20Kg, near-infrared reflection powder 9Kg, silicone acrylic emulsion 15Kg,
Cold pigment 6Kg and auxiliary agent 3Kg, continues to mix, and the revolving speed of stirring is 1000rpm, and temperature continues to be increased to 90 DEG C, and stirring is held
Continuous 5h, obtains finished product coating after fully dispersed.
Embodiment three,
A kind of preparation method of nano-thermal-insulating coating for building, is with the difference of embodiment one, comprising the following steps:
Step 1: first measuring deionized water 15Kg, crystallite is added later and is insulated nano powder 30Kg, modified crystal whisker of hexa potassium titanate slurry
4Kg and silicone resin emulsion 20Kg are fully stirred, and the revolving speed of stirring is 600rpm, and raises the temperature to 45
DEG C, it stirs and continues 1.5h, obtain just mixed object；
Step 2: be added in first mixed object into step 1 inorganic filler 15Kg, near-infrared reflection powder 7Kg, silicone acrylic emulsion 10Kg,
Cold pigment 5Kg and auxiliary agent 2.5Kg, continues to mix, and the revolving speed of stirring is 800rpm, and temperature continues to be increased to 85 DEG C, stirring
Continue 4h, finished product coating is obtained after fully dispersed.
Example IV,
A kind of preparation method of nano-thermal-insulating coating for building, is with the difference of embodiment one, comprising the following steps:
Step 1: first measuring deionized water 20Kg, crystallite is added later and is insulated nano powder 30Kg, modified crystal whisker of hexa potassium titanate slurry
5Kg and silicone resin emulsion 15Kg are fully stirred, and the revolving speed of stirring is 600rpm, and raises the temperature to 50
DEG C, it stirs and continues 2h, obtain just mixed object；
Step 2: be added in first mixed object into step 1 inorganic filler 15Kg, near-infrared reflection powder 5Kg, silicone acrylic emulsion 10Kg,
Cold pigment 6Kg and auxiliary agent 1.5Kg, continues to mix, and the revolving speed of stirring is 800rpm, and temperature continues to be increased to 85 DEG C, stirring
Continue 4h, finished product coating is obtained after fully dispersed.
Embodiment five,
A kind of preparation method of nano-thermal-insulating coating for building, is with the difference of embodiment one, comprising the following steps:
Step 1: first measuring deionized water 10Kg, crystallite is added later and is insulated nano powder 30Kg, modified crystal whisker of hexa potassium titanate slurry
4Kg and silicone resin emulsion 20Kg are fully stirred, and the revolving speed of stirring is 600rpm, and raises the temperature to 50
DEG C, it stirs and continues 2h, obtain just mixed object；
Step 2: be added in first mixed object into step 1 inorganic filler 15Kg, near-infrared reflection powder 7Kg, silicone acrylic emulsion 15Kg,
Cold pigment 4Kg and auxiliary agent 3Kg, continues to mix, and the revolving speed of stirring is 600rpm, and temperature continues to be increased to 85 DEG C, and stirring is held
Continuous 4h, obtains finished product coating after fully dispersed.
In addition, the application has also carried out the operation of comparative example one to comparative example five according to the operating procedure for being example IV,
Shown in table one specific as follows:
Table one
Wherein the conch meal in comparative example two is not enzyme treated mistake, and what the iodized salt of comparative example three was selected is iodate Asia
Copper.
Embodiment one to embodiment five and comparative example one to comparative example five are tested as follows:
(1) adhesive force is tested: standard GB/T 9286-1998；
(2) heat stability testing: will be placed in 120 DEG C of water vapors with a thickness of the coating film-making of 2mm, and observation is crushed
The required time；
(3) solidification timeliness test: standard GB/T1728-79 (89)；
(4) heat insulation test: by applying coating on the exterior wall of a containment building, when outdoor temperature is 40 DEG C, air-conditioning is utilized
Interior of building is cooled to 25 DEG C, is started in time, the time required to determining that interior of building temperature is increased to 35 DEG C；
(5) ageing-resistant test: standard GB/T 1865-1997, ageing time 10h；
(6) hardness: GB/T6739-86.
The result of test is as shown in following table two and table three:
Table two
Table three
From the experimental result of upper table two and table three can be seen that the coating adhesive force with higher of the application, thermal stability it is strong,
It is specific that curing time is short and heat insulation effect is good etc..Also, it can be with by the comparison of comparative example one to comparative example five and example IV
Find out, add the conch meal after enzymatic treatment, the adhesive force of coating can be effectively improved, and selects antioxidant 1076, antioxygen
Agent 1010 and the compound antioxidant of irgasfos 168, can effectively improve the ageing-resistant performance of coating.And select lithium iodide it
Coating afterwards, with preferable thermal stability.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of nano-thermal-insulating coating for building, it is characterised in that: according to the mass fraction, including 10~20 parts of deionized water, it is micro-
20~40 parts of nano powder of crystalline substance insulation, modified 3~5 parts of crystal whisker of hexa potassium titanate slurry, 10~20 parts of inorganic filler, silicone resin emulsion
15~25 parts, 5~9 parts of near-infrared reflection powder, 5~15 parts of silicone acrylic emulsion, 4~6 parts of cold pigment and 2~3 parts of auxiliary agent.
2. a kind of nano-thermal-insulating coating for building according to claim 1, it is characterised in that: the inorganic filler includes sky
Heart glass microballoon and conch meal.
3. a kind of nano-thermal-insulating coating for building according to claim 2, it is characterised in that: the conch meal is through containing alkali
Property protease, papain and trypsase mixed enzyme solution processing grinding shells after be made.
4. a kind of nano-thermal-insulating coating for building according to claim 1, it is characterised in that: the auxiliary agent includes iodate
Salt, lubricant, antioxidant and anti ultraviolet agent, and iodized salt, lubricant, antioxidant and anti ultraviolet agent mass ratio be 1: 2: 0.5:
1.5。
5. a kind of nano-thermal-insulating coating for building according to claim 4, it is characterised in that: the iodized salt is iodate
Lithium.
6. a kind of nanometer coatings for building according to claim 4, it is characterised in that: the lubricant is TAF.
7. a kind of nano-thermal-insulating coating for building according to claim 4, it is characterised in that: the antioxidant is antioxidant
1076, the mixture of antioxidant 1010 and irgasfos 168, and the mass ratio of antioxidant 1076, antioxidant 1010 and irgasfos 168
It is 1: 3: 1.
8. a kind of nano-thermal-insulating coating for building according to claim 1, it is characterised in that: the anti ultraviolet agent is 2-
(2 '-hydroxyls -3 ', 5 '-two tertiary phenyl) -5- chlorination benzotriazole.
9. a kind of preparation method of nano-thermal-insulating coating for building as described in any one of claim 1 to 8 claim,
The following steps are included:
Step 1: first measuring 10~20 parts of deionized water, 20~40 parts of nano powder of insulation, modified crystal whisker of hexa potassium titanate are added later
3~5 parts and 15~25 parts of silicone resin emulsion of slurry are fully stirred, and just mixed object is obtained；
Step 2: 10~20 parts of inorganic filler, 5~9 parts of near-infrared reflection powder are added in first mixed object into step 1, the third cream of silicon
5~15 parts of liquid, 4~6 powder of cold pigment and 2~3 parts of auxiliary agent, continue to mix, finished product coating are obtained after fully dispersed.
10. a kind of preparation method of nano-thermal-insulating coating for building according to claim 9, it is characterised in that: the step
The revolving speed of a rapid stirring is 500~700rpm, and the revolving speed of step 2 stirring is 600~1000rpm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112280410A (en) * | 2020-11-12 | 2021-01-29 | 北京嘉洁能科技股份有限公司 | Nano heat-insulating coating for floor heating and preparation method thereof |
| CN112521855A (en) * | 2021-01-06 | 2021-03-19 | 成都湛怡峪涂料科技有限公司 | Preparation method of high-weather-resistance heat-insulation composite coating |
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| CN112521855A (en) * | 2021-01-06 | 2021-03-19 | 成都湛怡峪涂料科技有限公司 | Preparation method of high-weather-resistance heat-insulation composite coating |
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Application publication date: 20190402 |