CN110952740A - Heating building material and preparation method thereof - Google Patents
Heating building material and preparation method thereof Download PDFInfo
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- CN110952740A CN110952740A CN201911269263.1A CN201911269263A CN110952740A CN 110952740 A CN110952740 A CN 110952740A CN 201911269263 A CN201911269263 A CN 201911269263A CN 110952740 A CN110952740 A CN 110952740A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/02—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets
- E04F2290/023—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets for heating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract
The invention discloses a heating building material which comprises a heat insulation layer, a heating layer and an air purification surface layer, wherein the heat insulation layer, the heating layer and the air purification surface layer are connected from bottom to top, and the air purification surface layer contains 1-40% of air purification materials by weight. The invention also discloses a preparation method of the heating building material, which comprises the following steps: 1) obtaining a heat-insulating layer, arranging a wiring preformed hole on the side surface of the heat-insulating layer and burying an electrode joint; 2) forming a heating layer above the heat-insulating layer; 3) and mixing the material for preparing the air purification surface layer with a solvent, coating the mixture on the heating layer, and standing until the material is solidified.
Description
Technical Field
The invention belongs to the field of building materials, and particularly relates to a heating building material and a preparation method thereof.
Background
The current heating floor is used as a new trend of indoor heating, and due to the fact that the electric heat conversion efficiency is high, energy is saved, the environment is protected, electric energy is converted into heat energy when the floor works, and the heat energy is mainly transmitted outwards in a radiation mode. The wave band of 8-15 μm is called life light, which has certain medical care effect when acting on human body. And is therefore being accepted. The heating floor commonly adopted in the market at present is only formed by simply compounding a layer of common wood board or common ceramic tile on a heating layer, and if the wood board is used, harmful gas in the wood board can be volatilized greatly to cause damage to human bodies in the heating process.
Therefore, it is urgently needed to provide a heating integrated plate with air evolution function for purifying harmful substances such as formaldehyde, benzene and the like in indoor air caused by air pollution and indoor decoration. And negative oxygen ions can be released, so that indoor air is fresh, people feel cool and feel as if the people are placed in a forest.
Disclosure of Invention
The invention aims to provide a heating building material which has an air purification function, so that harmful substances such as formaldehyde, benzene and the like in indoor air are reduced. The invention also aims to provide a preparation method of the heating building material.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a heating building material which comprises a heat insulation layer, a heating layer and an air purification surface layer which are connected from top to bottom, wherein the air purification surface layer contains 1-40% of air purification materials by weight.
According to the heating building material, the air purification material is added into the surface layer of the layered structure, so that the integrated design of heating, heat preservation and purification of the building material is realized, on one hand, harmful gas released by heating of the building material can be purified, and on the other hand, harmful gas in the external environment can be absorbed. In addition, the electric-thermal radiation conversion efficiency of the heating building material is more than 60 percent, and the air negative ion induction capacity can be more than 1000/(S.c square meter).
Preferably, the air purification surface layer contains an air purification material, the air purification material is an anion release material and/or a photocatalyst material, wherein the anion release material is a natural inorganic mineral material and/or an artificial synthetic material;
preferably, the natural inorganic mineral material is selected from at least one of tourmaline, hexacyclic stone, opal, qibingshi, qicai stone, gull stone, stone needle and ancient submarine minerals;
preferably, the synthetic material is a negative ion powder.
The air purification material can be an inorganic or organic negative ion release material, and the negative ion release material has multiple functions, can remove harmful gases in the decoration environment, can play a role in eliminating peculiar smell and high-voltage electrostatic protection, and can play a role in bacteriostasis to a certain extent. In addition, materials such as tourmaline and the like which can release negative ions also have high emissivity, so far infrared rays can be released more, and far infrared rays have various benefits to human bodies, so that the building material not only can purify air, but also can play a role in improving the environment and promoting health.
Preferably, the photocatalyst material is selected from nano TiO2Nano ZnO, nano CdS and nano WO3Nano Fe2O3Nano PbS and nano SnO2Nano ZnS and nano SrTiO3And nano SiO2At least one of (1).
The photocatalyst material has the function of decomposing formaldehyde, and the formaldehyde is one of main harmful substances brought by decoration, so that the formaldehyde has great harm to human bodies.
Preferably, the air purification material is uniformly distributed in the air purification surface layer in a particle shape, and the particle size of the air purification material is 0.005-500 μm.
Preferably, the air purification surface layer consists of a surface layer without air purification materials and an air purification material layer, and the air purification material layer is positioned on the surface of the surface layer;
preferably, the thickness of the surface layer is 0.1-10 mm, and the thickness of the air purification material layer is 1-500 μm.
In the building material, the air purification surface layer can be a single mixture layer or two independent layers, when the single layer is adopted, the surface material substrate and the air purification material are uniformly mixed and then cured to form a single layer, or the surface material is independently cured to form a layer and then the air purification layer is formed on the surface layer, and both forms have strong air purification effects.
Preferably, the heat-insulating layer is made of porous or fibrous heat-insulating materials, and the heat-insulating materials are selected from at least one of vacuum heat-insulating plates, nano silica aerogel, foamed polyurethane, extruded polystyrene boards, gold boards, foamed ceramics, foamed cement and foamed glass;
the common heat-insulating base material can be used in the heating building material, and preferably, the heat-insulating material adopted by the invention has the following characteristics: light weight, loose, porous or fibrous, and has no air flow inside to block heat conduction.
The base material of the heat-insulating layer can be organic or inorganic material or mixture thereof, the inorganic material has the advantages of non-combustion and good chemical corrosion resistance, and the organic material has the advantages of high strength, low water absorption and good water resistance.
Preferably, the thickness of the heat-insulating layer is 1-10 cm.
Preferably, the material of the heating layer is at least one selected from carbon black heating materials, graphene heating materials, carbon fiber heating materials, metal wire heating materials, polymer heating materials and semiconductor heating materials; preferably, the thickness of the heating layer is 10-200 um.
Preferably, an insulating waterproof layer is further arranged between the heating layer and the air purification surface layer;
preferably, an insulating waterproof layer is also arranged between the heat-insulating layer and the hair;
preferably, the thickness of the insulating and waterproof layer is 0.1-500 um.
According to another aspect of the present invention, there is provided a method for producing a heat-generating building material, comprising the steps of:
1) obtaining a heat-insulating layer, arranging a wiring preformed hole on the side surface of the heat-insulating layer and burying an electrode joint;
2) forming a heating layer above the heat-insulating layer in a baking and curing mode;
3) mixing the material for preparing the air purification surface layer with water, coating the mixture on the heating layer, and standing until the material is cured;
preferably, the method further comprises the steps of arranging an insulating waterproof layer with an electrode between the insulating layer and the heating layer, and connecting the electrode with the electrode joint;
preferably, the method further comprises the step of arranging an insulating waterproof layer between the heating layer and the air purification surface layer.
Preferably, the baking temperature for baking and curing is 100-170 ℃, and the curing time is 20-40 min.
The invention has the following advantages:
1. the heating building material realizes real integration, has good mechanical property and thermal insulation property, and has the mechanical property of the substrate and the thermal insulation property of the thermal insulation material.
2. The invention can fully purify the indoor air by doping the material with the air purification function in the surface layer or placing the material on the surface layer.
3. The heating building material can emit far infrared rays when being heated by electrification, and the emitted far infrared rays can improve the activity of the air purifying material in the surface layer, so that the efficiency of generating negative oxygen ions by the air purifying material is higher.
3. The material which can release negative ions, such as tourmaline, has high emissivity, so far infrared rays can be more released, and the health of human body is promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic structural view of an embodiment of the heat-generating building material of the present invention.
Reference numerals:
1-an insulating layer; 2-a heating layer; 3-air purification surface course
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
Fig. 1 is a structural view of a heat-generating building material according to an embodiment of the present invention, which is composed of a heat-insulating layer, a heat-generating layer, and an air-purifying surface layer provided from the bottom up.
In a preferred embodiment of the present invention, an insulating waterproof layer may be further disposed between each of the insulating layer, the heating layer and the air purifying surface layer.
Example 1
The heating building material is prepared according to the following steps.
1) And (3) preparing the heat insulation base material foamed ceramic into a heat insulation layer with the thickness of 5cm, drilling a wiring terminal preformed hole on the side surface of the heat insulation layer, and burying a joint.
2) On the surface of the insulating layer, an insulating waterproof layer with electrodes was prepared using epoxy glass fiber cloth, the thickness of the waterproof layer was 200 μm, and the electrodes were connected to the previously buried joints.
3) And printing a carbon paste heating layer on the insulating waterproof layer in a manner of baking for 30 minutes at 150 ℃ for curing, wherein the thickness of the heating layer is 1000 microns.
4) And an insulating waterproof layer is prepared on the heating layer by using epoxy resin glass fiber cloth.
5) Preparing an air purification surface layer on the insulating waterproof layer prepared in the step 4), specifically, mixing 1000g of baking-free ceramic powder and 200g of tourmaline powder, adding 300g of water, uniformly stirring, coating the mixture on the surface of the insulating waterproof layer, standing for 24 hours, and curing to form the surface layer, wherein the thickness of the surface layer is 0.1 mm.
Example 2
The heating building material is prepared according to the following steps.
1) And (3) preparing the heat insulation layer with the thickness of 0.5cm by using heat insulation base material foamed polyurethane, drilling a wiring terminal reserved hole on the side surface of the heat insulation layer, and burying a joint.
2) On the surface of the insulating layer, an insulating waterproof layer with an electrode was prepared using an unsaturated resin glass fiber cloth to have a thickness of 500 μm, and the electrode was connected to the previously buried joint.
3) And printing a carbon paste heating layer on the insulating waterproof layer in a manner of baking for 40 minutes at the temperature of 130 ℃ for curing, wherein the thickness of the heating layer is 1000 microns.
4) An insulating waterproof layer with the thickness of 500 mu m is prepared on the heating layer by using unsaturated resin glass fiber cloth.
5) Preparing an air purification surface layer on the insulating waterproof layer prepared in the step 4), specifically, mixing 1000g of baking-free ceramic powder and 100g of anion powder, adding 300g of water, uniformly stirring, coating the mixture on the surface of the insulating waterproof layer, standing for 24 hours, and curing to form a surface layer, wherein the thickness of the surface layer is 1 mm.
Example 3
The heating building material is prepared according to the following steps.
1) And (3) preparing a heat-insulating layer with the thickness of 10cm by using heat-insulating base material foamed cement, drilling a wiring terminal preformed hole on the side surface of the heat-insulating layer, and burying a connector.
2) And preparing an insulating waterproof layer on the surface of the heat-insulating layer by pet, wherein the thickness of the waterproof layer is 1 mu m.
3) And printing a carbon paste heating layer on the insulating waterproof layer in a manner of baking for 20 minutes at 170 ℃ for curing, wherein the thickness of the heating layer is 10 microns.
4) And copper foils are pasted at two ends of the carbon paste to be used as electrodes, and then the electrodes are connected with the reserved electrode joints.
5) An insulating and waterproof layer having a thickness of 1 μm was prepared on the heat generating layer using pet.
6) Preparing an air purification surface layer on the insulating waterproof layer prepared in the step 5), wherein the specific steps are that 1000g of baking-free ceramic powder and 10g of nano TiO are mixed2Mixing the powders, adding 300g of water, stirring uniformly, coating the mixture on the surface of the insulating waterproof layer, standing for 24 hours, and curing to form a surface layer with the thickness of 10 mm.
Example 4
The heating building material is prepared according to the following steps.
1) And (3) preparing the heat-insulating base material foamed glass into a heat-insulating layer with the thickness of 6cm, drilling a wiring terminal reserved hole on the side surface of the heat-insulating layer, and burying a connector.
2) On the surface of the insulating layer, an insulating waterproof layer with electrodes was prepared using epoxy glass fiber cloth, the thickness of the waterproof layer was 200 μm, and the electrodes were connected to the previously buried joints.
3) And printing a carbon paste heating layer on the insulating waterproof layer in a manner of baking for 20 minutes at 170 ℃ for curing, wherein the thickness of the heating layer is 800 microns.
4) An insulating and waterproof layer having a thickness of 200 μm was prepared on the heat generating layer using pet.
5) Preparing an air purification surface layer on the insulating waterproof layer prepared in the step 4), wherein the specific steps are that 250g of water of 1000g of baking-free ceramic powder is uniformly stirred and coated on the surface of the insulating waterproof layer, the surface layer is formed after standing for 24 hours and then solidified, and the thickness of the surface layer is 5 mm; and then uniformly stirring 200g of hexacyclic stone powder and 30g of water, coating the mixture on the surface of the surface layer, and standing until the mixture is solidified, namely, re-solidifying the surface of the surface layer to obtain an air purification layer, wherein the thickness of the air purification layer is 200 mu m.
Comparative example
A heat-generating building material was produced by following the procedure of example 1 except that no air purifying material was added in the step 5).
Examples of the experiments
Measurement of mechanical Properties
The building materials of examples 1 to 4 (samples 1 to 4) and comparative example 1 (sample 5) were subjected to mechanical strength testing in the testing manner specified in the national standard, and the specific test items and results are shown in table 1.
TABLE 1 mechanical Property test results
Measurement of Heat insulating Property
The insulation performance of the building materials prepared in examples 1-4 and comparative example 1 was determined using GB/T10294-2008 and the results are shown in Table 2.
TABLE 2 Heat insulation Performance test results
| Sample numbering | Thermal conductivity w/(m.K) |
| 1 | 0.09 |
| 2 | 0.12 |
| 3 | 0.08 |
| 4 | 0.09 |
| 5 | 0.09 |
| Basis of detection | GB/T10294-2008 |
Air cleaning Performance measurement
The building materials prepared in examples 1 to 4 and comparative example 1 were subjected to measurement of air-cleaning performance using JC/T2040 to 2010, and the results are shown in Table 3.
Table 3 air cleaning performance test results
As can be seen from the above examples and comparative examples, the heating building material of the present application meets the national standards in terms of various physical and chemical indexes, and can significantly achieve the effect of air purification.
While particular embodiments of the present invention have been illustrated and described, it would be obvious that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
Claims (10)
1. The heating building material is characterized by comprising a heat preservation layer, a heating layer and an air purification surface layer which are connected from bottom to top, wherein the air purification surface layer contains 1-40% of air purification materials by weight. Under the heating state, the induction quantity of air negative ions is more than 1000/(S.c square meter).
2. A heating building material according to claim 1, wherein the air-purifying surface layer contains an air-purifying material, and the air-purifying material is an anion releasing material and/or a photocatalyst material, wherein the anion releasing material is a natural inorganic mineral material and/or an artificial synthetic material;
preferably, the natural inorganic mineral material is selected from at least one of tourmaline, hexacyclic stone, opal, mirabilis, gull rock and stone needle;
preferably, the synthetic material is a negative ion powder.
3. A heat generating building material as claimed in claim 2, wherein the photocatalyst material is selected from nano TiO2Nano ZnO, nano CdS and nano WO3Nano Fe2O3Nano PbS and nano SnO2Nano ZnS and nano SrTiO3And nano SiO2At least one of (1).
4. A heating building material according to claim 1, wherein the air purifying material is uniformly distributed in the air purifying surface layer in a granular form, and the grain size of the air purifying material is 0.01 to 100 μm.
5. A heating building material according to claim 1, wherein the air-purifying surface layer is composed of a surface layer containing no air-purifying material and an air-purifying material layer, and the air-purifying material layer is provided on a surface of the surface layer.
Preferably, the thickness of the surface layer is 0.1-10 mm, and the thickness of the air purification material layer is 1-500 μm.
6. A heat-generating building material according to claim 1, wherein the heat-insulating layer is made of a porous or fibrous heat-insulating material;
preferably, the thickness of the heat-insulating layer is 0.1-10 cm.
7. A heat generating building material according to claim 1, wherein the heat generating layer is made of at least one material selected from the group consisting of carbon black, graphene, carbon fiber, and metal wire.
8. A heating building material according to claim 1, wherein an insulating and waterproof layer is further provided between the heating layer and the air-purifying surface layer;
preferably, an insulating waterproof layer is also arranged between the heat-insulating layer and the heating layer;
preferably, the thickness of the insulating waterproof layer is 1-500 μm.
9. A method of producing a heat-generating building material according to any one of claims 1 to 8, characterized in that the method comprises the steps of:
1) obtaining a heat-insulating layer, arranging a wiring preformed hole on the side surface of the heat-insulating layer and burying an electrode joint;
2) forming a heating layer above the heat-insulating layer;
3) and mixing the material for preparing the air purification surface layer with a solvent, coating the mixture on the heating layer, and standing and curing.
10. The manufacturing method according to claim 9, further comprising providing an insulating and waterproof layer between the insulating layer and the heat generating layer;
preferably, the method further comprises disposing an insulating and waterproof layer between the heat generating layer and the air purification surface layer.
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Cited By (1)
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| WO2023202698A1 (en) * | 2022-04-22 | 2023-10-26 | 中科润资(重庆)气凝胶技术研究院有限公司 | Fireproof electric heating building material and preparation method therefor |
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Application publication date: 20200403 |