CN110683803A - Pollution-free HS aerogel heat-preservation heat-insulation waterproof flame-retardant novel material and preparation method thereof - Google Patents
Pollution-free HS aerogel heat-preservation heat-insulation waterproof flame-retardant novel material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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Abstract
The invention provides a novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material which is composed of aerogel, hollow glass beads, calcium powder, silicon carbon powder, perlite powder, attapulgite powder, cellulose, starch ether, glass fiber, light alumina, white carbon black and an adhesive, wherein the mass parts of the components are as follows: the novel pollution-free HS aerogel heat-insulation waterproof flame-retardant material comprises, by weight, 5 parts of aerogel, 5 parts of hollow glass beads, 20 parts of calcium powder, 20 parts of silicon carbon powder, 7 parts of perlite powder, 15 parts of attapulgite powder, 5 parts of cellulose, 3 parts of starch ether, 10 parts of glass fiber, 10 parts of light alumina, 1 part of white carbon black and 1 part of adhesive, and tests show that the novel pollution-free HS aerogel heat-insulation waterproof flame-retardant material has the heat-insulation effect of 5-7 mm in the use thickness of the building outer wall, can insulate heat and keep the temperature at 8-10 ℃ or above, achieves the A level combustion performance, and has no abnormality when the water resistance reaches (168 h).
Description
Technical Field
The invention relates to the technical field of heat insulation, heat preservation and flame retardance, in particular to a novel pollution-free HS aerogel heat insulation, heat preservation, waterproof and flame retardance material and a preparation method thereof.
Background
Environmental safety is the most challenging and urgent key problem facing human beings today. The development of the heat-insulating flame-retardant heat-insulating material which is beneficial to light thin layers, safety and environmental protection and the simple and efficient construction process are the direction of the overall technical development in the field of the heat-insulating industry at present and are also important marks for measuring the technical standards of the heat-insulating flame-retardant material. The method is a primary task of ensuring the urban environmental safety of China, ensuring the life and property safety of people, saving energy, reducing emission and eliminating pollution. The fine goal of optimizing the urban construction development is realized. However, the currently used insulation board materials have the following problems:
1. technical tradition laggard behind
The present various heat-insulating board materials in China use the traditional (passive) heat-insulating technology of homogeneous material substrate and foaming, and belongs to a passive heat-insulating method for determining heat-insulating performance by material properties. The conduction factors for controlling the temperature in the environment, such as the comprehensive integrated technology for controlling the conduction, radiation and convection of the temperature, are not fundamentally solved.
2. Large resource consumption
As the traditional insulation board material is a homogeneous foaming technology, the material performance and the usage amount are determined by the heat conductivity coefficient of the material. Therefore, according to the building thermotechnical climate areas and the building energy-saving standards of China, the use amount of various traditional heat-insulating materials is large (such as 100 mm in Beijing area, 120 mm in Shenyang area and 150-180 mm in North area of Harbin), and the resource consumption is large.
3. Material out of date
The traditional insulation board material has imperfect use performance, and the quality defect of the product obviously influences the engineering quality effect, such as poor water resistance and failure when meeting water; the adhesive has poor connectivity with a base material and is easy to fall off; the construction property is poor, the working procedure is complex, the construction cost is high, and the like.
4. Complicated process and high construction cost
The traditional heat insulating material is chemically bonded with the building wall body by mechanical connection, and cannot form an integration with the building node and ditch, so that the method has the advantages of more auxiliary materials, complex process, long construction period, high comprehensive construction cost and hidden troubles of quality and safety.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a novel pollution-free HS aerogel heat-insulating, waterproof and flame-retardant material and a preparation method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material is composed of aerogel, hollow glass beads, calcium powder, silicon carbon powder, perlite powder, attapulgite powder, cellulose, starch ether, glass fiber, light alumina, white carbon black and an adhesive, wherein the mass part ratio of each component is as follows:
4-6 parts of aerogel, 4-6 parts of hollow glass beads, 19-21 parts of calcium powder, 19-21 parts of silicon carbon powder, 6-8 parts of perlite powder, 14-16 parts of attapulgite powder, 4-6 parts of cellulose, 2-4 parts of starch ether, 9-11 parts of glass fiber, 9-11 parts of light alumina, 0.9-1.1 parts of white carbon black and 0.9-1.1 parts of adhesive.
The vacuum density of the hollow glass micro-beads is 0.20-0.60/cm, and the particle size is 2-125 microns.
The preparation method of the novel pollution-free HS aerogel heat-preservation heat-insulation waterproof flame-retardant material comprises the following steps:
(1) weighing the raw materials of the component A in parts by weight: 4-6 parts of aerogel and 4-6 parts of hollow glass beads;
(2) weighing the raw materials of the component B in parts by weight: 19-21 parts of calcium powder, 19-21 parts of silicon carbon powder, 6-8 parts of perlite powder and 14-16 parts of attapulgite powder;
(3) weighing the raw materials of the component C in parts by weight: 4-6 parts of cellulose, 2-4 parts of starch ether, 9-11 parts of glass fiber, 9-11 parts of light alumina, 0.9-1.1 parts of white carbon black and 0.9-1.1 parts of adhesive;
(4) sequentially putting the component A, the component B and the component C into a reaction kettle, and stirring at the speed of 180 revolutions per minute for more than 30 minutes to prepare slurry;
(5) pouring the slurry prepared in the step (4) into a mold, dehydrating by a vacuum adsorption method, or naturally dripping to remove moisture by placing, or dehydrating by pressing, and molding to obtain a sheet material;
(6) and (4) drying the sheet material obtained in the step (5) at the temperature of 155 ℃, standing for 3-5 hours at normal temperature, and preparing a finished product.
The invention has the beneficial effects that:
1. the novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material with the proportion is tested to have the heat-insulating effect of 5-7 mm in thickness when used on the outer wall of a building, the heat insulation and heat preservation can reach more than 8-10 ℃, the combustion performance reaches A level, and the water resistance reaches (168h) without abnormity.
2. The novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material is an inorganic new material which can not be replaced by a traditional material developed aiming at the traditional heat-insulating material, breaks through the mode that the heat insulation of the traditional material is improved by depending on the thickness, solves the problem that the traditional material is difficult to be connected with a building main body, is very easy to collapse and fall off when being frozen in the sky and in the cold and exposed to wind, rain and sun, and is very easy to cause major accidents when being used on a large scale especially on an outer wall.
3. The novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material. The design of 3 mm-8 mm is only needed at different latitudes according to the requirements of heat preservation, heat insulation and water resistance, and different outer vertical surfaces are designed according to different requirements under the action of extremely strong adhesive force.
4. The novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material belongs to an inorganic material, has the same service life as a building under the condition of external impact force, and avoids the phenomena of falling off and collapse.
5. The fireproof grade of the novel aerogel heat-insulation waterproof flame-retardant section reaches A grade, and the excellent water resistance enables the material to be completely kept watertight for a long time when the material is used on a large-scale planar building.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material is composed of aerogel, hollow glass beads, calcium powder, silicon carbon powder, perlite powder, attapulgite powder, cellulose, starch ether, glass fiber, light alumina, white carbon black and an adhesive, wherein the mass part ratio of each component is as follows:
4 parts of aerogel, 4 parts of hollow glass beads, 19 parts of calcium powder, 19 parts of silicon carbon powder, 6 parts of perlite powder, 14 parts of attapulgite powder, 4 parts of cellulose, 2 parts of starch ether, 9 parts of glass fiber, 9 parts of light alumina, 0.9 part of white carbon black and 0.9 part of adhesive,
the vacuum density of the hollow glass micro-beads is 0.20-0.60/cm, the grain diameter is 2-125 microns,
the preparation method of the novel pollution-free HS aerogel heat-preservation heat-insulation waterproof flame-retardant material comprises the following steps:
(1) weighing the raw materials of the component A in parts by weight: 4 parts of aerogel and 4 parts of hollow glass beads;
(2) weighing the raw materials of the component B in parts by weight: 19 parts of calcium powder, 19 parts of silicon carbon powder, 6 parts of perlite powder and 14 parts of attapulgite powder;
(3) weighing the raw materials of the component C in parts by weight: 4 parts of cellulose, 2 parts of starch ether, 9 parts of glass fiber, 9 parts of light alumina, 0.9 part of white carbon black and 0.9 part of adhesive;
(4) sequentially putting the component A, the component B and the component C into a reaction kettle, and stirring at the speed of 180 revolutions per minute for more than 30 minutes to prepare slurry;
(5) pouring the slurry prepared in the step (4) into a mold, dehydrating by a vacuum adsorption method, or naturally dripping to remove moisture by placing, or dehydrating by pressing, and molding to obtain a sheet material;
(6) and (4) drying the sheet material obtained in the step (5) at the temperature of 155 ℃, standing for 3-5 hours at normal temperature, and preparing a finished product.
Example 2:
the novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material is composed of aerogel, hollow glass beads, calcium powder, silicon carbon powder, perlite powder, attapulgite powder, cellulose, starch ether, glass fiber, light alumina, white carbon black and an adhesive, wherein the mass part ratio of each component is as follows:
5 parts of aerogel, 5 parts of hollow glass beads, 20 parts of calcium powder, 20 parts of silicon carbon powder, 7 parts of perlite powder, 15 parts of attapulgite powder, 5 parts of cellulose, 3 parts of starch ether, 10 parts of glass fiber, 10 parts of light alumina, 1 part of white carbon black and 1 part of adhesive,
the vacuum density of the hollow glass micro-beads is 0.20-0.60/cm, the grain diameter is 2-125 microns,
the preparation method of the novel pollution-free HS aerogel heat-preservation heat-insulation waterproof flame-retardant material comprises the following steps:
(1) weighing the raw materials of the component A in parts by weight: 5 parts of aerogel and 5 parts of hollow glass beads;
(2) weighing the raw materials of the component B in parts by weight: 20 parts of calcium powder, 20 parts of silicon carbon powder, 7 parts of perlite powder and 15 parts of attapulgite powder;
(3) weighing the raw materials of the component C in parts by weight: 5 parts of cellulose, 3 parts of starch ether, 10 parts of glass fiber, 10 parts of light alumina, 1 part of white carbon black and 1 part of adhesive;
(4) sequentially putting the component A, the component B and the component C into a reaction kettle, and stirring at the speed of 180 revolutions per minute for more than 30 minutes to prepare slurry;
(5) pouring the slurry prepared in the step (4) into a mold, dehydrating by a vacuum adsorption method, or naturally dripping to remove moisture by placing, or dehydrating by pressing, and molding to obtain a sheet material;
(6) and (4) drying the sheet material obtained in the step (5) at the temperature of 155 ℃, standing for 3-5 hours at normal temperature, and preparing a finished product.
Example 3:
the novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material is composed of aerogel, hollow glass beads, calcium powder, silicon carbon powder, perlite powder, attapulgite powder, cellulose, starch ether, glass fiber, light alumina, white carbon black and an adhesive, wherein the mass part ratio of each component is as follows:
5 parts of aerogel, 6 parts of hollow glass beads, 21 parts of calcium powder, 21 parts of silicon carbon powder, 8 parts of perlite powder, 16 parts of attapulgite powder, 6 parts of cellulose, 4 parts of starch ether, 11 parts of glass fiber, 11 parts of light alumina, 1.1 parts of white carbon black and 1.1 parts of adhesive,
the vacuum density of the hollow glass micro-beads is 0.20-0.60/cm, the grain diameter is 2-125 microns,
the preparation method of the novel pollution-free HS aerogel heat-preservation heat-insulation waterproof flame-retardant material comprises the following steps:
(1) weighing the raw materials of the component A in parts by weight: 5 parts of aerogel and 6 parts of hollow glass beads;
(2) weighing the raw materials of the component B in parts by weight: 21 parts of calcium powder, 21 parts of silicon carbon powder, 8 parts of perlite powder and 16 parts of attapulgite powder;
(3) weighing the raw materials of the component C in parts by weight: 6 parts of cellulose, 4 parts of starch ether, 11 parts of glass fiber, 11 parts of light alumina, 1.1 parts of white carbon black and 1.1 parts of adhesive;
(4) sequentially putting the component A, the component B and the component C into a reaction kettle, and stirring at the speed of 180 revolutions per minute for more than 30 minutes to prepare slurry;
(5) pouring the slurry prepared in the step (4) into a mold, dehydrating by a vacuum adsorption method, or naturally dripping to remove moisture by placing, or dehydrating by pressing, and molding to obtain a sheet material;
(6) and (4) drying the sheet material obtained in the step (5) at the temperature of 155 ℃, standing for 3-5 hours at normal temperature, and preparing a finished product.
Comparative example 1:
other components, reaction conditions and component contents are the same as those of example 1, and the technical feature is that hollow glass beads are not added, which is different from example 1.
Comparative example 2:
other components, reaction conditions and component contents are the same as those of example 1, and the technical difference from example 1 is that no perlite powder is added.
Comparative example 3:
other components, reaction conditions and component contents were the same as in example 2, and the technical feature was that cellulose was not added, unlike example 1.
The comparative performance tests of the epoxy resin concrete obtained in examples 1 to 3 of the present invention and comparative examples 1 to 3 and the thermal insulation material in the prior art show that the results are as follows:
and (4) conclusion: the novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material with the proportion is tested to have the heat-insulating effect of 5-7 mm in thickness when used on the outer wall of a building, the heat insulation and heat preservation can reach more than 8-10 ℃, the combustion performance reaches A level, and the water resistance reaches (168h) without abnormity.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The novel pollution-free HS aerogel heat-insulating waterproof flame-retardant material is characterized by comprising aerogel, hollow glass beads, calcium powder, silicon carbon powder, perlite powder, attapulgite powder, cellulose, starch ether, glass fiber, light alumina, white carbon black and an adhesive, wherein the mass part ratio of each component is as follows:
4-6 parts of aerogel, 4-6 parts of hollow glass beads, 19-21 parts of calcium powder, 19-21 parts of silicon carbon powder, 6-8 parts of perlite powder, 14-16 parts of attapulgite powder, 4-6 parts of cellulose, 2-4 parts of starch ether, 9-11 parts of glass fiber, 9-11 parts of light alumina, 0.9-1.1 parts of white carbon black and 0.9-1.1 parts of adhesive.
2. The novel pollution-free HS aerogel thermal insulation, water proofing and flame retarding material according to claim 1, wherein the true density of said hollow glass beads is 0.20-0.60/cm, and the particle size is 2-125 μm.
3. The novel pollution-free HS aerogel thermal-insulation, waterproof and flame-retardant material as claimed in claim 1, wherein the preparation method of the novel pollution-free HS aerogel thermal-insulation, waterproof and flame-retardant material comprises the following steps:
(1) weighing the raw materials of the component A in parts by weight: 4-6 parts of aerogel and 4-6 parts of hollow glass beads;
(2) weighing the raw materials of the component B in parts by weight: 19-21 parts of calcium powder, 19-21 parts of silicon carbon powder, 6-8 parts of perlite powder and 14-16 parts of attapulgite powder;
(3) weighing the raw materials of the component C in parts by weight: 4-6 parts of cellulose, 2-4 parts of starch ether, 9-11 parts of glass fiber, 9-11 parts of light alumina, 0.9-1.1 parts of white carbon black and 0.9-1.1 parts of adhesive;
(4) sequentially putting the component A, the component B and the component C into a reaction kettle, and stirring at the speed of 180 revolutions per minute for more than 30 minutes to prepare slurry;
(5) pouring the slurry prepared in the step (4) into a mold, dehydrating by a vacuum adsorption method, or naturally dripping to remove moisture by placing, or dehydrating by pressing, and molding to obtain a sheet material;
(6) and (4) drying the sheet material obtained in the step (5) at the temperature of 155 ℃, standing for 3-5 hours at normal temperature, and preparing a finished product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620595A (en) * | 2020-06-01 | 2020-09-04 | 邵东飞 | Nano aerogel building material and preparation method thereof |
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| CN102418390A (en) * | 2011-08-11 | 2012-04-18 | 洛阳市森浩工贸有限公司 | Pearlite thermal-insulating fireproof board for exterior wall of building |
| US20160083295A1 (en) * | 2012-12-11 | 2016-03-24 | Fixit Ag | Thermally Insulating Aerogel Based Rendering Materials |
| WO2014184393A1 (en) * | 2013-05-17 | 2014-11-20 | Dow Corning Corporation | Insulation panels |
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