CN103360858B - Thermal insulation slurry and novel aqueous carbon nanotube composite thermal insulation coating using thermal insulation slurry and preparation method thereof - Google Patents
Thermal insulation slurry and novel aqueous carbon nanotube composite thermal insulation coating using thermal insulation slurry and preparation method thereof Download PDFInfo
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Abstract
The invention provides a thermal insulation slurry and a novel aqueous carbon nanotube composite thermal insulation coating using the thermal insulation slurry and a preparation method thereof. Carbon nanotube powder in the thermal insulation slurry uses a polyethylene glycol-adsorbed porous-wall carbon nanotube as a core material, titanium dioxide is coated over the core material, and as an important component of the thermal insulation slurry, the carbon nanotube powder enables the thermal insulation slurry to have integrated multiple thermal insulation modes. The novel aqueous carbon nanotube composite thermal insulation coating uses a carbon nanotube material of a special structure in the thermal insulation slurry as a thermal insulation material and a nanometer aqueous fluoro-silicone emulsion as a film forming substance, so the prepared novel aqueous carbon nanotube composite thermal insulation coating has protruding thermal insulation performance and good stability and application properties. The preparation method for the novel aqueous carbon nanotube composite thermal insulation coating has the advantages of simple and easily available construction equipment and simple technological operation; and the coating prepared by using the method has protruding thermal insulation performance and good stability and application properties.
Description
Technical field
The present invention relates to paint field, relate in particular to a kind of heat-insulating slurry, use novel aqueous carbon nanotube composite heat insulation coating of this heat-insulating slurry and preparation method thereof.
Background technology
Along with rapid development of economy, China has become second-biggest-in-the-world energy expenditure state, has occurred that in recent years the problem such as energy shortage and environmental pollution is by fast development economic restriction, and energy-conserving and environment-protective become more and more important in the sustainable development of China's economy.
Building energy consumption accounts for 30% left and right of whole society's energy consumption, most domestic building is high energy consumption building, wherein, every year also in the high energy consumption building of new increase, reach the carbon emission amount of promise in country's 12 planning, reducing building energy consumption is instantly very urgent task.Development heat insulating coatings is the integral part in building energy conservation consumption reduction system, plays very important effect to reducing building energy consumption.
Mainly contain the several types such as reflective heat-insulation paint, isolation-type thermal insulating coating and Radiation Heat-insulated Paint at the heat insulating coatings of selling in the market, the heat insulation mode of most thermal insulating coating is comparatively single, cooling extent is little and the easy degradation with aging of coating, contamination resistance and cracking resistance are poor, cause effect of heat insulation and the heat insulation persistence of coating all lower, limited to the energy-saving effect of buildings.
How effectively to improve the heat insulation and preservation effect of coating and persistence and be the problem that the heat insulating coatings of Development of Novel need to solve.
Summary of the invention
The object of the present invention is to provide a kind of heat-insulating slurry, by selecting the important component of the special carbon nano-tube material of a kind of structure as heat-insulating slurry, make the heat-insulating slurry making integrate multiple heat insulation mode.
Another object of the present invention is to provide a kind of novel aqueous carbon nanotube composite heat insulation coating that uses above-mentioned heat-insulating slurry, utilize the carbon nanotube of the special construction in heat-insulating slurry as heat-insulating heat-preserving material, taking nano aqueous fluoro-silicone emulsion as filmogen, make the novel aqueous carbon nanotube composite heat insulation coating thermal and insulating performance of preparation outstanding, stability and application property better.
Another object of the present invention is to provide a kind of preparation method of novel aqueous carbon nanotube composite heat insulation coating, preparation of construction is simple and easy to get, technological operation is simple, prepared novel aqueous carbon nanotube composite heat insulation coating thermal and insulating performance is outstanding, stability and application property better.
For achieving the above object, the invention provides a kind of heat-insulating slurry, comprise that component and weight part content are as follows:
Described carbon nanotube powders be carbon nanotube taking the porous wall of polyoxyethylene glycol absorption as core, and at the carbon nano-tube material of the peripheral cladding titanium dioxide of core, its particle diameter is less than 50nm, is preferably 40-50nm.
Described face/filler is at least one in calcium carbonate or mica powder; Described dispersion agent is the acrylic acid-polyurethane copolymer dispersant of polymer block structure; Described wetting agent is acetylenic diols wetting agent.
The preparation method of described heat-insulating slurry, comprises the steps:
Step 1, supplies raw materials, and comprises that component and weight part content are as follows:
Described carbon nanotube powders be carbon nanotube taking the porous wall of polyoxyethylene glycol absorption as core, and at the carbon nano-tube material of the peripheral cladding titanium dioxide of core, its particle diameter is less than 50nm, is preferably 40-50nm;
Step 2, is placed in the first container by water, then under 300-500r/min stirring at low speed, wetting agent, defoamer and dispersion agent is sequentially added into;
Step 3, immediately step 2 operates, and under same agitation condition, slowly adds in order carbon nanotube powders, Rutile type Titanium Dioxide, face/filler, then, at 1800-2000r/min high speed dispersion 8-10min, obtains finely dispersed slurry;
Step 4, is placed in grinding container by slurry after treatment step 3, and 2800-3000r/min speed lapping 25-30 min, guarantees that belongings abrasive lapping is even, and grind after each fineness of materials be less than 50 μ m; Make described heat-insulating slurry.
Described face/filler is at least one in calcium carbonate or mica powder; Described dispersion agent is the acrylic acid-polyurethane copolymer dispersant of polymer block structure; Described wetting agent is acetylenic diols wetting agent.
The present invention also provides a kind of novel aqueous carbon nanotube composite heat insulation coating that uses described heat-insulating slurry, comprises that component and weight part content are as follows:
Described nano aqueous fluoro-silicone emulsion has nucleocapsid structure, and solid content is 49-51%.
Described organic cenosphere has two-coat, and its nexine has alloy layer coating layer, and surface has coated by titanium dioxide layer, and described organic cenosphere granularity is less than 10 μ m, is preferably 8-10 μ m.
The present invention also provides a kind of preparation method of novel aqueous carbon nanotube composite heat insulation coating, comprises the steps:
Step 10, supplies raw materials, and comprises that component and weight part content are as follows:
Step 20, is placed in second container by nano aqueous fluoro-silicone emulsion, and wetting agent, propylene glycol, defoamer, sanitas, mould inhibitor, alcohol ester film coalescence aid are slowly added in order under 300-500r/min stirring at low speed;
Step 30 after completing steps 20 operations, slowly adds in order organic cenosphere and heat-insulating slurry under 300-500r/min stirring at low speed;
Step 40, after completing steps 30 operations, adds PH conditioning agent and associative thickener, regulates pH value and viscosity, and in 300-500r/min low speed mixing 5-8min, the feed liquid that obtains mixing;
Step 50, by filling to storage tank the feed liquid filtration mixing, makes novel aqueous carbon nanotube composite heat insulation coating.
Described nano aqueous fluoro-silicone emulsion has nucleocapsid structure, and solid content is 49-51%; Described organic cenosphere has two-coat, and its nexine has alloy layer coating layer, and surface has coated by titanium dioxide layer, and described organic cenosphere granularity is less than 10 μ m, is preferably 8-10 μ m.
In described step 40, regulate pH value to 8.0-8.5, adjusting viscosity is to 120-125KU; Described storage tank inwall scribbles the corrosion protection coating of water tolerance system corrosion.
Beneficial effect of the present invention: the carbon nanotube of the porous wall that the carbon nanotube powders in heat-insulating slurry of the present invention is adsorbed taking polyoxyethylene glycol is as core, and at the peripheral cladding titanium dioxide of core, it makes the heat-insulating slurry making integrate multiple heat insulation mode as the important component of heat-insulating slurry.The multiple heat insulation mode such as novel aqueous carbon nanotube composite heat insulation coating integrates that phase-change accumulation energy is heat insulation, ir radiation is heat insulation, reflective insulation, obstruct are heat insulation, there is superpower heat insulation and preservation effect, there is super ageing-resistant, stain resistant and cracking resistance function simultaneously, efficiently solve the poor and lower problem of persistence of commercially available heat insulating coatings product effect of heat insulation, can be widely used in the external coating of building inside and outside wall, be a kind of building material product of high-efficiency environment friendly energy-conservation.The preparation method of the novel aqueous carbon nanotube composite heat insulation coating of the present invention, preparation of construction is simple and easy to get, technological operation is simple, prepared novel aqueous carbon nanotube composite heat insulation coating effect of heat insulation is superpower, and there is super ageing-resistant, stain resistant and cracking resistance function simultaneously, and potential safety hazard and environmental pollution all less.
In order further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, but accompanying drawing only provide with reference to and explanation use, be not used for the present invention to be limited.
Brief description of the drawings
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is heat-insulating slurry preparation method's of the present invention schema;
Fig. 2 is the preparation technology figure of heat-insulating slurry of the present invention;
Fig. 3 is the novel aqueous carbon nanotube composite heat insulation coating of the present invention preparation method's schema;
Fig. 4 is the preparation technology figure of the novel aqueous carbon nanotube composite heat insulation coating of the present invention.
Embodiment
Technique means and the effect thereof taked for further setting forth the present invention, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
The invention provides a kind of heat-insulating slurry, comprise that component and weight part content are as follows:
Described face/filler is one or more of the conventional face/filler kind of the paint field such as calcium carbonate or mica powder, and its concrete kind can be chosen as requested.
Described dispersion agent is the acrylic acid-polyurethane copolymer dispersant of polymer block structure, and its dispersion efficiency to carbon nanotube is superpower, and its preferred weight part content is 5.0-7.0 part, and particularly preferably weight part content is 6.0 parts.
Described wetting agent be environment-friendly type containing APEO(alkylphenol ethoxylate, alkylphenol polyoxyethylene) the superpower acetylenic diols wetting agent of low steady bubble, wetting effect.
Described carbon nanotube powders is that carbon nanotube taking the porous wall of polyoxyethylene glycol absorption is as core, and at the carbon nanotube powder material of the peripheral cladding titanium dioxide of core, when preparation, first adopt polyoxyethylene glycol to be adsorbed in the carbon nanotube of porous wall, carry out coated by titanium dioxide processing again taking this carbon nanotube as core, and to core; Its particle diameter is less than 50nm, is preferably 40-50nm, and its preferred weight part content is 23.0-25.0 part, and particularly preferably weight part content is 25.0 parts.
Described heat-insulating slurry can utilize the hypersorption of the carbon nanotube of porous wall, to hold more polyoxyethylene glycol, the latent heat of phase change amount (heat absorption/heat release) of polyoxyethylene glycol is greatly improved, and then obtains useful heat insulating effect; Utilize the coated by titanium dioxide layer of carbon nanotube simultaneously, can greatly improve the reflection efficiency of heat insulating coatings.So the heat insulation mode compared with conventional heat-insulating slurry heat-insulating slurry of the present invention is various, effect of heat insulation is more excellent.
Refer to Fig. 1 and Fig. 2, described heat-insulating slurry preparation method comprises:
Step 1, supplies raw materials, and comprises that component and weight part content are as follows:
Described face/filler is one or more of the conventional face/filler kind of the paint field such as calcium carbonate or mica powder, and its concrete kind can be chosen as requested.
Described dispersion agent is the acrylic acid-polyurethane copolymer dispersant of polymer block structure, and its dispersion efficiency to carbon nanotube is superpower, and its preferred weight part content is 5.0-7.0 part, and particularly preferably weight part content is 6.0 parts.
Described wetting agent be environment-friendly type containing APEO(alkylphenol ethoxylate, alkylphenol polyoxyethylene) the superpower acetylenic diols wetting agent of low steady bubble, wetting effect.
Described carbon nanotube powders is that carbon nanotube taking the porous wall of polyoxyethylene glycol absorption is as core, and at the carbon nanotube powder material of the peripheral cladding titanium dioxide of core, when preparation, first adopt polyoxyethylene glycol to be adsorbed in the carbon nanotube of porous wall, carry out coated by titanium dioxide processing again taking this carbon nanotube as core, and to core; Its particle diameter is less than 50nm, is preferably 40-50nm, and its preferred weight part content is 23.0-25.0 part, and particularly preferably weight part content is 25.0 parts.
Described heat-insulating slurry can utilize the hypersorption of the carbon nanotube of porous wall, to hold more polyoxyethylene glycol, the latent heat of phase change amount (heat absorption/heat release) of polyoxyethylene glycol is greatly improved, and then obtains useful heat insulating effect; Utilize the coated by titanium dioxide layer of carbon nanotube simultaneously, can greatly improve the reflection efficiency of heat insulating coatings.So the heat insulation mode compared with conventional heat-insulating slurry heat-insulating slurry of the present invention is various, effect of heat insulation is more excellent.
Step 2, is placed in the first container by water, then under 300-500r/min stirring at low speed, wetting agent, defoamer and dispersion agent is sequentially added into.
Described the first container can be paint mixing tank, can be also other suitable containers, uses paint mixing tank as the first container in the present embodiment.
Step 3, immediately step 2 operates, and under same agitation condition, slowly adds in order carbon nanotube powders, Rutile type Titanium Dioxide, face/filler, then, at 1800-2000r/min high speed dispersion 8-10min, obtains finely dispersed slurry;
Step 4, is placed in grinding container by slurry after treatment step 3, and 2800-3000r/min speed lapping 25-30 min, guarantees that belongings abrasive lapping is even, and grind after each fineness of materials be less than 50 μ m; Make described heat-insulating slurry.
Described grinding container can be grinding pot.
When grinding, temperature is unsuitable too high, and after grinding, heat-insulating slurry fineness is less than 50 μ m, and fineness is preferably 40-50nm, has further ensured the homogeneity of heat-insulating slurry.
The present invention is applied to above-mentioned heat-insulating slurry in coating, thereby obtains a kind of novel aqueous carbon nanotube composite heat insulation coating, comprises that component and weight part content are as follows:
Described heat-insulating slurry is the heat-insulating slurry that above-mentioned record obtains according to the present invention, and its preferred weight part content is 58.0-60.0 part, and particularly preferably weight part content is 60.0 parts.
Described nano aqueous fluoro-silicone emulsion is nucleocapsid structure, in the present embodiment taking organo-siloxane monomer as core with taking trifluorochloroethylene monomer as shell, adopt soap-free polymerization method obtained, but be not limited only to the nano aqueous fluoro-silicone emulsion of above-mentioned nucleocapsid structure, the nano aqueous fluoro-silicone emulsion of other nucleocapsid structures also can be used as filmogen of the present invention, it is without APEO, VOC(volatile organic compounds, volatile organic compounds) content is extremely low, solid content is in 49-51% left and right, particle diameter is less than 100nm, be preferably 80-90nm, preferred weight part content is 33.0-35.0 part, be particularly preferably 35.0 parts.
Due to the characteristic of the nucleocapsid structure of nano aqueous fluoro-silicone emulsion, so there is the excellent balance (coating failure elongation reaches more than 200%, effectively resists the trickle cracking of body of wall) of super contamination resistance (coating stain resistant can reach below 5%) and elongation at break.
Described organic cenosphere has two-coat, its nexine has alloy layer coating layer, surface has coated by titanium dioxide layer, specifically coated by nexine being carried out to electroless plating alloy layer, carry out the coated gained of processing in surface with titanium dioxide again, granularity is less than 10 μ m, is preferably 8-10 μ m, preferred weight part content is 5.0-8.0 part, is particularly preferably 6.0 parts.
Now utilize the coated by titanium dioxide layer of carbon nanotube in heat-insulating slurry and the coated by titanium dioxide layer of organic cenosphere mesexine simultaneously, can greatly improve the reflection efficiency of heat insulating coatings, reflectivity can reach more than 97%.
Further, the carbon nanotube of the porous wall in heat-insulating slurry can be launched potent frequency electromagnetic waves, in organic cenosphere, the electroless plating alloy cladding layer of nexine is also launched frequency electromagnetic waves simultaneously, the common infrared ray shielding layer that forms stack on coating surface, can effectively shield a large amount of reverse next sunlight middle infrared (Mid-IR)s, reduce sunlight infrared rays and touch thermal insulating coating, on original reflective heat-insulation paint basis, effect of heat insulation is improved to more than 25% (under direct sunlight, heat insulation and heat control can reach more than 25 DEG C), even also can make buildings keep heat-insulating cooling effect (cooling reaches more than 5 DEG C) at rainy weather.
In the heat-insulating slurry of the novel aqueous carbon nanotube composite heat insulation coating of the present invention, carbon nanotube has the characteristic of shielding ultraviolet rays, can effectively reduce the destruction of ultraviolet ray to nano aqueous fluoro-silicone emulsion, fluoro-silicone emulsion and carbon nanotube all have excellent weather resisteant and chemically-resistant contaminative simultaneously, the double combination of carbon nanotube and fluoro-silicone emulsion is greatly enhanced (coating can reach more than 25 years work-ing life) weather resistance of whole coating, makes the insulation persistence of coating far beyond the performance of conventional insulating mold coating.
Refer to Fig. 3 and Fig. 4, the preparation method of described novel aqueous carbon nanotube composite heat insulation coating, comprises the steps:
Step 10, supplies raw materials, and comprises that component and weight part content are as follows:
Wherein said heat-insulating slurry is heat-insulating slurry provided by the invention.Its preferred weight part content is 58.0-60.0 part, and particularly preferably weight part content is 60.0 parts.
Described nano aqueous fluoro-silicone emulsion is nucleocapsid structure, for example, taking organo-siloxane monomer as core with taking trifluorochloroethylene monomer as shell, adopt soap-free polymerization method obtained, but the present invention is not limited only to the nano aqueous fluoro-silicone emulsion of above-mentioned nucleocapsid structure, the nano aqueous fluoro-silicone emulsion of other nucleocapsid structures also can be used as filmogen of the present invention, its, without APEO, VOC(volatile organic compounds, volatile organic compounds) content is extremely low, solid content is in 49-51% left and right, particle diameter is less than 100nm, be preferably 80-90nm, preferred weight part content is 33.0-35.0 part, be particularly preferably 35.0 parts.
Due to the characteristic of the nucleocapsid structure of nano aqueous fluoro-silicone emulsion, so there is the excellent balance (coating failure elongation reaches more than 200%, effectively resists the trickle cracking of body of wall) of super contamination resistance (coating stain resistant can reach below 5%) and elongation at break.
Described organic cenosphere has two-coat, its the inside has alloy layer coating layer, surface has coated by titanium dioxide layer, specifically coated by nexine being carried out to electroless plating alloy layer, carry out the coated gained of processing in surface with titanium dioxide again, granularity is less than 10 μ m, is preferably 8-10 μ m, preferred weight part content is 5.0-8.0 part, is particularly preferably 6.0 parts.
Now utilize the coated by titanium dioxide layer of carbon nanotube in heat-insulating slurry and the coated by titanium dioxide layer of organic cenosphere mesexine simultaneously, can greatly improve the reflection efficiency of heat insulating coatings, reflectivity can reach more than 97%.
Further, the carbon nanotube of porous wall can be launched potent frequency electromagnetic waves, in organic cenosphere, the electroless plating alloy cladding layer of nexine is also launched frequency electromagnetic waves simultaneously, the common infrared ray shielding layer that forms stack on coating surface, can effectively shield a large amount of reverse next sunlight middle infrared (Mid-IR)s, reduce sunlight infrared rays and touch thermal insulating coating, on original reflective heat-insulation paint basis, effect of heat insulation is improved to more than 25% (under direct sunlight, heat insulation and heat control can reach more than 25 DEG C), even also can make buildings keep heat-insulating cooling effect (cooling reaches more than 5 DEG C) at rainy weather.
Carbon nanotube has the characteristic of shielding ultraviolet rays, can effectively reduce the destruction of ultraviolet ray to nano aqueous fluoro-silicone emulsion, fluoro-silicone emulsion and carbon nanotube all have excellent weather resisteant and chemically-resistant contaminative simultaneously, the double combination of carbon nanotube and fluoro-silicone emulsion is greatly enhanced (coating can reach more than 25 years work-ing life) weather resistance of whole coating, makes the insulation persistence of coating far beyond the performance of conventional insulating mold coating.
Step 20, is placed in second container by nano aqueous fluoro-silicone emulsion, and wetting agent, propylene glycol, defoamer, sanitas, mould inhibitor, alcohol ester film coalescence aid are slowly added in order under 300-500r/min stirring at low speed.
Described second container can be paint mixing tank, can be also other suitable containers, uses paint mixing tank as second container in the present embodiment.
Step 30 after completing steps 20 operations, slowly adds in order organic cenosphere and heat-insulating slurry under 300-500r/min stirring at low speed.
Step 40, after completing steps 30 operations, adds PH conditioning agent and associative thickener, regulates pH value and viscosity, and in 300-500r/min low speed mixing 5-8min, the feed liquid that obtains mixing.
Concrete, by feed adjustment pH value, to 8.0-8.5, adjusting viscosity is to 120-125KU, with the novel aqueous carbon nanotube composite heat insulation coating film forming properties and the result of use that ensure to make.
Step 50, by filling to storage tank the feed liquid filtration mixing, makes novel aqueous carbon nanotube composite heat insulation coating.
In described novel aqueous carbon nanotube composite heat insulation coating, water-based system can have certain corrosive nature to generic storage tank, in order to stop the corrosion of water-based system to tank body, ensure long-term preservation and the use of novel aqueous carbon nanotube composite heat insulation coating, therefore described storage tank inwall scribbles the corrosion protection coating of water tolerance system corrosion.
The novel aqueous carbon nanotube composite heat insulation coating making, containing a large amount of organic solvents, for low smell environmentfriendly products, does not belong to inflammable and explosive product, avoided producing and the process that uses in larger potential safety hazard and the problem of environmental pollution.
In sum, the carbon nanotube of the porous wall that the carbon nanotube powders in heat-insulating slurry of the present invention is adsorbed taking polyoxyethylene glycol is as core, and at the peripheral cladding titanium dioxide of core, it makes the heat-insulating slurry making integrate multiple heat insulation mode as the important component of heat-insulating slurry.The multiple heat insulation mode such as novel aqueous carbon nanotube composite heat insulation coating integrates that phase-change accumulation energy is heat insulation, ir radiation is heat insulation, reflective insulation, obstruct are heat insulation, there is superpower heat insulation and preservation effect, there is super ageing-resistant, stain resistant and cracking resistance function simultaneously, efficiently solve the poor and lower problem of persistence of commercially available heat insulating coatings product effect of heat insulation, can be widely used in the external coating of building inside and outside wall, be a kind of building material product of high-efficiency environment friendly energy-conservation.The preparation method of the novel aqueous carbon nanotube composite heat insulation coating of the present invention, preparation of construction is simple and easy to get, technological operation is simple, prepared novel aqueous carbon nanotube composite heat insulation coating effect of heat insulation is superpower, and there is super ageing-resistant, stain resistant and cracking resistance function simultaneously, and potential safety hazard and environmental pollution all less.
The above, for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of the claims in the present invention.
Claims (10)
1. a heat-insulating slurry, is characterized in that, comprises that component and weight part content are as follows:
Described carbon nanotube powders be carbon nanotube taking the porous wall of polyoxyethylene glycol absorption as core, and at the carbon nano-tube material of the peripheral cladding titanium dioxide of core, its particle diameter is 40-50nm.
2. heat-insulating slurry as claimed in claim 1, is characterized in that, described face/filler is at least one in calcium carbonate or mica powder; Described dispersion agent is the acrylic acid-polyurethane copolymer dispersant of polymer block structure; Described wetting agent is acetylenic diols wetting agent.
3. a preparation method for heat-insulating slurry as claimed in claim 1, is characterized in that, comprises the steps:
Step 1, supplies raw materials, and comprises that component and weight part content are as follows:
Described carbon nanotube powders be carbon nanotube taking the porous wall of polyoxyethylene glycol absorption as core, and at the carbon nano-tube material of the peripheral cladding titanium dioxide of core, its particle diameter is 40-50nm;
Step 2, is placed in the first container by water, then under 300-500r/min stirring at low speed, wetting agent, defoamer and dispersion agent is sequentially added into;
Step 3, immediately step 2 operates, and under same agitation condition, slowly adds in order carbon nanotube powders, Rutile type Titanium Dioxide, face/filler, then, at 1800-2000r/min high speed dispersion 8-10min, obtains finely dispersed slurry;
Step 4, is placed in grinding container by slurry after treatment step 3, and 2800-3000r/min speed lapping 25-30min guarantees that belongings abrasive lapping is even, and grind after each fineness of materials be less than 50 μ m; Make described heat-insulating slurry.
4. the preparation method of heat-insulating slurry as claimed in claim 3, is characterized in that, described face/filler is at least one in calcium carbonate or mica powder; Described dispersion agent is the acrylic acid-polyurethane copolymer dispersant of polymer block structure; Described wetting agent is acetylenic diols wetting agent.
5. a water-based carbon nanotube composite heat insulation coating for the heat-insulating slurry of use as described in as arbitrary in claim 1 or 2, is characterized in that, comprises that component and weight part content are as follows:
6. water-based carbon nanotube composite heat insulation coating as claimed in claim 5, is characterized in that, described nano aqueous fluoro-silicone emulsion has nucleocapsid structure, and solid content is 49-51%.
7. water-based carbon nanotube composite heat insulation coating as claimed in claim 5, it is characterized in that, described organic cenosphere has two-coat, and its nexine has alloy layer coating layer, surface has coated by titanium dioxide layer, and described organic cenosphere granularity is 8-10 μ m.
8. a preparation method for water-based carbon nanotube composite heat insulation coating as claimed in claim 5, is characterized in that, comprises the steps:
Step 10, supplies raw materials, and comprises that component and weight part content are as follows:
Step 20, is placed in second container by nano aqueous fluoro-silicone emulsion, and wetting agent, propylene glycol, defoamer, sanitas, mould inhibitor, alcohol ester film coalescence aid are slowly added in order under 300-500r/min stirring at low speed;
Step 30 after completing steps 20 operations, slowly adds in order organic cenosphere and heat-insulating slurry under 300-500r/min stirring at low speed;
Step 40, after completing steps 30 operations, adds pH adjusting agent and associative thickener, regulates pH value and viscosity, and in 300-500r/min low speed mixing 5-8min, the feed liquid that obtains mixing;
Step 50, by filling to storage tank the feed liquid filtration mixing, makes water-based carbon nanotube composite heat insulation coating.
9. the preparation method of water-based carbon nanotube composite heat insulation coating as claimed in claim 8, is characterized in that, described nano aqueous fluoro-silicone emulsion has nucleocapsid structure, and solid content is 49-51%; Described organic cenosphere has two-coat, and its nexine has alloy layer coating layer, and surface has coated by titanium dioxide layer, and described organic cenosphere granularity is 8-10 μ m.
10. the preparation method of water-based carbon nanotube composite heat insulation coating as claimed in claim 8, is characterized in that, regulates pH value to 8.0-8.5 in described step 40, and adjusting viscosity is to 120-125KU; Described storage tank inwall scribbles the corrosion protection coating of water tolerance system corrosion.
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| CN104927492B (en) * | 2015-06-26 | 2017-08-25 | 开平市日固力涂料有限公司 | A kind of Multifunctional asphalt, asphalt felt roof waterproof and heat-insulating paint |
| CN106752237B (en) * | 2016-12-14 | 2019-06-25 | 深圳市兆新能源股份有限公司 | Water-borne heat-insulating slurry and preparation method thereof and water-borne heat-insulating glass coating and preparation method thereof |
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Address after: Baoan District Shiyan town Shenzhen city Guangdong province 518000 house Rainbow Industrial City Patentee after: Shenzhen trillion new energy Limited by Share Ltd Address before: Baoan District Shiyan town Shenzhen city Guangdong province 518000 house Rainbow Industrial City Patentee before: Shenzhen Rainbow Fine Chemical Industry Co., Ltd. |