CN117682807A - Low-heat-conductivity infrared reflection and radiation integrated material and preparation method and application thereof - Google Patents

Low-heat-conductivity infrared reflection and radiation integrated material and preparation method and application thereof Download PDF

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CN117682807A
CN117682807A CN202311708903.0A CN202311708903A CN117682807A CN 117682807 A CN117682807 A CN 117682807A CN 202311708903 A CN202311708903 A CN 202311708903A CN 117682807 A CN117682807 A CN 117682807A
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infrared reflection
heat
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radiation
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白康
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Jiangsu Kaier Door Industry Co ltd
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Jiangsu Kaier Door Industry Co ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/006Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00258Electromagnetic wave absorbing or shielding materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52Sound-insulating materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a low-heat-conductivity infrared reflection and radiation integrated material, a preparation method and application thereof, wherein the low-heat-conductivity infrared reflection and radiation integrated material is at least prepared from the following raw materials in parts by weight: 20-50 parts of tourmaline, 50-80 parts of matrix raw materials, 17 parts of alkali-activated agents, 12-25 parts of modified resins, 10-40 parts of functional fillers, 2 parts of fibers, 1 part of foaming agents and 60-80 parts of water. The low-heat-conductivity infrared reflection and radiation integrated material has good infrared reflection and radiation performance, incombustibility and anion generation rate.

Description

Low-heat-conductivity infrared reflection and radiation integrated material and preparation method and application thereof
Technical Field
The invention relates to the technical field of functional composite materials, in particular to a low-heat-conduction infrared reflection and radiation integrated material, and a preparation method and application thereof.
Background
The south area of China is typical winter heating and summer heating, the outer protective structure of the building in summer is strongly irradiated by the sun, and the indoor temperature is high, so that the indoor cooling energy consumption is high. The heat reflection roof and the wall surface coating are one of the main ways of building energy conservation, and the high reflection performance of the surface to sunlight is utilized to obviously reduce the heat absorbed by the wall body to convey the indoor heat, part of the materials can actively radiate the heat outwards, the energy consumption can be saved by 10-43% in summer, and the temperature of the surface of the midday building is reduced by 10-15 ℃. However, the durability of the paint products is poor, and if the formula design is not reasonable or the maintenance is not timely, the service life can only be maintained for a few years. The geopolymer is an inorganic cementing material capable of effectively replacing cement in performance, the raw materials are from industrial solid wastes, calcination is not needed in the production process, and the geopolymer has better mechanical properties, excellent acid and alkali resistance, durability and the like compared with ordinary silicate cement. The exterior wall brick or plate made of the low heat conduction infrared reflection and radiation integrated material taking the geopolymer as the matrix has the solar heat reflection performance similar to that of the heat reflection paint, has good durability, can be used for decades without damage, is cleaner than a coating after rain washing, and keeps good appearance of a building.
Negative ions are a class of negatively charged ions or clusters that exist in the human living environment, the atmosphere. Is beneficial to the health of human bodies and the quality of living environment, is also called as 'air vitamin', and is one of important indexes for measuring the air cleaning degree. Its effect on the environment is manifested in three aspects: (1) purifying air: the negative ions are polymerized and deposited with macromolecular particles such as dust in the air, automobile exhaust and the like, so that the quality of the air in the living environment is improved; (2) purifying water quality: the negative ions react with heavy metal ions in water to form sediment for removal; (3) sterilization: the negative ions are combined with bacteria to promote the change of the tissue structure of the thalli, destroy the cell membrane of the thalli and the activity of enzymes, and lead the thalli to die. The health care effect of negative ions on human bodies comprises four aspects: (1) respiratory healthcare: (2) promote blood circulation of human body: (3) regulating ion balance of human body: (4) inhibition of fungus infection.
Medical research proves that the requirements of the human body on the air anion concentration are as follows: when the air anion concentration reaches more than 10000 anions/cm 3, the effect of preventing and curing diseases can be achieved (ecological hospitals in developed countries are established by taking the anion concentration as a standard); the basic requirement of human health can be maintained when 400-1000 pieces/cm < 3 >; below 200 pieces/cm 3, only the physiological health margin can be maintained, possibly causing sub-health; below 50 pieces/cm 3, physiological disorders and other diseases are induced.
The invention provides a low-heat-conduction infrared reflection and radiation integrated material which has higher heat conduction and radiation integrated materialThe infrared reflectivity and the infrared emissivity, and the highest negative ion release efficiency can reach about 1000/cm 3 The negative ions are polymerized with other molecules to form negative ion groups, which are used by people.
Disclosure of Invention
The invention provides a low-heat-conduction infrared reflection and radiation integrated material and a preparation method thereof.
In order to achieve the above purpose, the invention discloses a low-heat-conduction infrared reflection and radiation integrated material which is prepared from the following raw materials in parts by weight:
the invention relates to a low-heat-conductivity infrared reflection and radiation integrated material which is further improved in that the base material is one or a mixture of more of fly ash, slag and recycled geopolymer.
The invention relates to a low-heat-conduction infrared reflection and radiation integrated material which is further improved in that the alkali-activated agent is prepared from sodium silicate and sodium hydroxide, and the modulus is 1.25-2.
The invention relates to a low-heat-conductivity infrared reflection and radiation integrated material which is further improved in that the functional filler is selected from one or more than one mixture of light fillers such as floating beads, vitrified micro-beads, hollow micro-spheres and the like.
The invention relates to a low-heat-conductivity infrared reflection and radiation integrated material which is further improved in that basalt fibers are selected as the fibers.
The invention also discloses a preparation method of the low-heat-conduction infrared reflection and radiation integrated material, which comprises the following steps:
101: adding an alkali excitant into a certain amount of water, and stirring and standing to form a stable solution;
102: adding the fiber into the solution in the step 101, and stirring and standing to form a stable mixed solution;
103: adding tourmaline and matrix raw materials into the mixed solution in the step 102, and mixing and stirring to obtain slurry a;
104: adding a foaming agent into water, and stirring to form a stable solution;
105: adding the functional filler and the modified resin into the step 104, and mixing and stirring to obtain slurry b;
106: mixing the slurry a and the slurry b, and stirring to obtain a finished slurry;
107: and (3) casting the finished product slurry in the step 106 to produce the low-heat-conduction infrared reflection and radiation integrated material.
The preparation method of the low-heat-conductivity infrared reflection and radiation integrated material is further improved in that in step 107, upper and lower facing paper is used for laminating maintenance, and the maintenance is carried out at a constant temperature of 50 ℃ for 4 hours.
The invention relates to a preparation method of a low-heat-conductivity infrared reflection and radiation integrated material, which is further improved in that the alkali-activated agent is prepared from sodium silicate and sodium hydroxide, and the modulus is 1.25-2.
The preparation method of the low-heat-conductivity infrared reflection and radiation integrated material is further improved in that in step 105, the solution prepared in step 104 is made into foam through a foaming machine, then functional filler and modified resin are added, and the mixture is further stirred to obtain slurry b. In step 105, the solution prepared in step 104 is made into foam by a foaming agent, and then functional filler and modified resin are added and further stirred to obtain slurry b.
The invention also discloses application of the low-heat-conductivity infrared reflection and radiation integrated material in fireproof plates, building materials and protection health-care materials.
The low-heat-conduction infrared reflection and radiation integrated material has the following beneficial effects: (1) The material has good infrared reflection and radiation performance, and can effectively replace heat reflection paint; (2) The material has excellent fireproof performance and low water absorption heat shrinkage, can be applied to the fields of fireproof plates, buildings and the like, and has good practicability; (3) The anchoring property to nails and screws is strong, the nail and screw is nontoxic and environment-friendly, the light density is low, and simultaneously, the nail and screw have better mechanical properties such as compressive strength, flexural strength and the like; (4) The electromagnetic shielding performance is certain, the harmful electromagnetic waves can be prevented from invading the human body, and the harmful electromagnetic waves are converted into far infrared rays harmless to the human body; (5) The infrared reflecting type negative ion source has high negative ion generation rate and infrared reflecting performance, and can be applied to the technical fields of protection and health care.
Drawings
Fig. 1 is a photograph of a finished product of a low thermal conductivity infrared reflection and radiation integrated material of the present invention.
Fig. 2 is a partial photograph of another view angle of a finished product after the preparation of the low thermal conductivity infrared reflection and radiation integrated material of the present invention.
FIG. 3 is a photograph of a sample prior to testing the incombustibility of a low thermal conductivity infrared reflection and radiation integrated material according to the present invention.
FIG. 4 is a photograph of a sample after testing the incombustibility of a low thermal conductivity infrared reflection and radiation integrated material according to the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in figures 1-4, the invention provides a low-heat-conduction infrared reflection and radiation integrated material which is prepared from the following raw materials in parts by weight: 20-50 parts of tourmaline, 50-80 parts of matrix raw materials, 17 parts of alkali-activated agents, 12-25 parts of modified resins, 10-40 parts of functional fillers, 2 parts of fibers, 1 part of foaming agents and 60-80 parts of water.
Embodiment one: the low-heat-conduction infrared reflection and radiation integrated material is prepared from the following raw materials in parts by weight:
further, the matrix raw material is one or a mixture of more of fly ash, slag and recycled geopolymer.
Further, the alkali-activated agent is prepared from sodium silicate and sodium hydroxide, and has a modulus of 1.25-2.
Further, the functional filler is one or a mixture of more than one of lightweight fillers such as floating beads, vitrified micro-beads, hollow micro-spheres and the like.
Further, basalt fiber, glass fiber, carbon fiber and the like can be selected as the fiber.
The preparation method of the first embodiment is as follows:
step 101: adding 17 parts of alkali excitant into 60 parts of water, and stirring and standing to form a stable solution;
step 102: adding 2 parts of fibers into the solution in the step 101, and stirring to form a stable mixed solution;
step 103: adding 20 parts of tourmaline and 50 parts of matrix raw materials into the mixed solution in the step 102, and mixing and stirring to obtain slurry a;
step 104: adding 1 part of foaming agent into water, and stirring to form a stable solution;
step 105: adding 10 parts of functional filler and 12 parts of modified resin into the step 104, and mixing and stirring to obtain slurry b;
step 106: mixing the slurry a and the slurry b, and stirring to obtain a finished slurry;
step 107: and (3) casting the finished product slurry in the step 106 to produce the low-heat-conduction infrared reflection and radiation integrated material.
In step 107, the upper and lower facing papers are used for laminating maintenance, and the temperature is maintained at 50 ℃ for 4 hours.
Further, in step 105, the solution prepared in step 104 is foamed by a foaming agent, and then a functional filler and a modified resin are added and further stirred to obtain a slurry b.
Further, in step 105, the solution prepared in step 104 is foamed by a foaming machine, and then a functional filler and a modified resin are added and further stirred to obtain a slurry b.
TABLE 1 physical Properties of Low thermal Infrared reflection and radiation Integrated Material
Project Unit (B) Numerical value Remarks
Density of Kg/m 3 460
Compressive Strength MPa/cm 2 16
Flexural Strength MPa/cm 2 2.5
Coefficient of thermal conductivity W/(m·K) 0.05
Sound insulation db 20 Thickness of 40mm
Water-absorbing heat-shrinkable properties 0
Infrared reflectivity 65 Room temperature
Infrared emissivity of radiation 65 Room temperature
Resistance value of nail pulling Kgf/root 25
Wood screw holding power Kgf/root 15
Rate of negative ion generation Individual/cm 3 602
Electromagnetic shielding effectiveness dB >10 30MHz-1GHz
TABLE 2 non-flammability performance test criteria and results
Judgment item Unit (B) Standard value Measurement value
Mass loss ratio —— ≤50% 9.5%
Duration of combustion S 0 0
Temperature rise in the furnace ≤30 ≤30
Referring to table 1, it can be seen that the low thermal conductivity infrared reflection and radiation integrated material prepared in this embodiment has good mechanical properties, good infrared reflectivity, infrared emissivity and electromagnetic shielding effectiveness, and water absorption and heat shrinkage of 0, and referring to table 2, the material has incombustibility and excellent fireproof performance.
Embodiment two: the low-heat-conduction infrared reflection and radiation integrated material is prepared from the following raw materials in parts by weight:
further, the matrix raw material is one or a mixture of more of fly ash, slag and recycled geopolymer.
Further, the alkali-activated agent is prepared from sodium silicate and sodium hydroxide, and has a modulus of 1.25-2.
Further, the functional filler is one or a mixture of more than one of lightweight fillers such as floating beads, vitrified micro-beads, hollow micro-spheres and the like.
Further, basalt fiber, glass fiber, carbon fiber and the like can be selected as the fiber.
The preparation method of the second embodiment is as follows:
step 101: adding 17 parts of alkali excitant into 80 parts of water, and stirring and standing to form a stable solution;
step 102: adding 2 parts of fibers into the solution in the step 101, and stirring to form a stable mixed solution;
step 103: adding 50 parts of tourmaline and 80 parts of matrix raw materials into the mixed solution in the step 102, and mixing and stirring to obtain slurry a;
step 104: adding 1 part of foaming agent into water, and stirring to form a stable solution;
step 105: adding 40 parts of functional filler and 25 parts of modified resin into the step 104, and mixing and stirring to obtain slurry b;
step 106: mixing the slurry a and the slurry b, and stirring to obtain a finished slurry;
step 107: and (3) casting the finished product slurry in the step 106 to produce the low-heat-conduction infrared reflection and radiation integrated material.
In step 106, the upper and lower facing papers are used for laminating maintenance, and the temperature is maintained at 50 ℃ for 4 hours.
TABLE 3 physical Properties of Low thermal Infrared reflection and radiation Integrated Material
TABLE 4 non-flammability performance test criteria and results
Judgment item Unit (B) Standard value Measurement value
Mass loss ratio —— ≤50% 15%
Duration of combustion S 0 0
Temperature rise in the furnace ≤30 ≤30
Referring to table 3, the low thermal conductivity infrared reflection and radiation integrated material in this embodiment has good mechanical properties; the excellent infrared reflectance, infrared emissivity and electromagnetic shielding effectiveness, water absorption and heat shrinkage are 0, and it can be seen from Table 4 that the material has incombustibility, i.e., excellent fireproof performance.
Embodiment III: the low-heat-conductivity infrared reflection and radiation integrated material is applied to fireproof boards, and the fireproof boards are produced by casting and molding the following raw materials in parts by weight:
step 101: adding 17 parts of alkali excitant into 60 parts of water, and stirring and standing to form a stable solution;
step 102: adding 2 parts of fibers into the solution in the step 101, and stirring to form a stable mixed solution;
step 103: adding 45 parts of tourmaline and 55 parts of matrix raw materials into the mixed solution in the step 102, and mixing and stirring to obtain slurry a;
step 104: adding 1 part of foaming agent into water, and stirring to form a stable solution;
step 105: adding 25 parts of functional filler and 22 parts of modified resin into the step 104, and mixing and stirring to obtain slurry b;
step 106: mixing the slurry a and the slurry b, and stirring to obtain a finished slurry;
step 107: and (3) casting the finished product slurry in the step (106) to produce the low-heat-conduction infrared reflection and radiation integrated material, and curing by using upper and lower facing paper coating films, wherein the curing temperature is 50 ℃, and curing is carried out for 4 hours at constant temperature.
In this embodiment, (1) slag is selected as a base material; (2) The fiber can be basalt fiber, glass fiber, carbon fiber and the like; (3) the functional filler can be floating beads.
The flame ignition temperature of one side of the plate cast in the embodiment is maintained at 1050 ℃ for more than 2 hours, and the back temperature of the plate (with the thickness of 40 mm) is stabilized at 100 ℃ and does not rise. Therefore, the plate has certain spectral selection characteristics, can efficiently reflect radiant heat, and effectively prevent heat from gathering on a fire surface, so that the temperature of the heated surface is reduced; meanwhile, the material radiates heat to the space in an infrared radiation mode, when the temperature of a hot surface (one side) is 1050 ℃ and the temperature of a cold surface (the back side) is 100 ℃, the heat absorbed and radiated by the plate is balanced, the temperature of the cold surface is not increased any more, and the purposes of long-time heat insulation and fire prevention are achieved. The specific physical properties and the results of the incombustibility tests are shown in tables 5 and 6.
TABLE 5 physical Properties of Low thermal Infrared reflection and radiation Integrated Material
Project Unit (B) Numerical value Remarks
Density of Kg/m 3 560
Compressive Strength MPa/cm 2 20
Flexural Strength MPa/cm 2 3.25
Coefficient of thermal conductivity W/(m·K) 0.05
Sound insulation db 20 Thickness of 40mm
Water-absorbing heat-shrinkable properties 0
Infrared reflectivity 65 Room temperature
Infrared emissivity of radiation 65 Room temperature
Resistance value of nail pulling Kgf/root 30
Wood screw holding power Kgf/root 20
Rate of negative ion generation Individual/cm 3 891
Electromagnetic shielding effectiveness dB >12 30MHz-1GHz
TABLE 6 non-flammability performance test criteria and results
Judgment item Unit (B) Standard value Measurement value
Mass loss ratio —— ≤50% 10%
Duration of combustion S 0 0
Temperature rise in the furnace ≤30 ≤30
The plate has the advantages of high fire resistance (meeting the requirement of incombustibility), small volume density, low heat conductivity coefficient, good heat insulation performance, mechanical performance, non-hydroscopicity, good nail pulling resistance, strong processability and good dimensional stability. Meanwhile, the higher infrared reflectivity and infrared radiation (rate) performance can enable the plate or the area enclosed by the plate to radiate energy to the surrounding space in a mode of reflecting and emitting infrared rays so as to realize self cooling.
Embodiment four: the low-heat-conductivity infrared reflection and radiation integrated material is used for application in building materials (plates) or protective health-care materials, and is produced by casting and molding the following raw materials in parts by weight:
step 101: adding 17 parts of alkali excitant into 60 parts of water, and stirring and standing to form a stable solution;
step 102: adding 2 parts of fibers into the solution in the step 101, and stirring to form a stable mixed solution;
step 103: adding 50 parts of tourmaline and 50 parts of matrix raw materials into the mixed solution in the step 102, and mixing and stirring to obtain slurry a;
step 104: adding 1 part of foaming agent into water, and stirring to form a stable solution;
step 105: adding 10 parts of functional filler and 20 parts of modified resin into the step 104, and mixing and stirring to obtain slurry b;
step 106: mixing the slurry a and the slurry b, and stirring to obtain a finished slurry;
step 107: and (3) casting the finished product slurry in the step (106) to produce the low-heat-conduction infrared reflection and radiation integrated material, and curing by using upper and lower facing paper coating films, wherein the curing temperature is 50 ℃, and curing is carried out for 4 hours at constant temperature.
In this embodiment, (1) slag is selected as a base material; (2) The fiber can be basalt fiber, glass fiber, carbon fiber and the like; and (3) the functional filler can be vitrified microbeads.
The casting finished product of this example was tested to obtain relevant physical properties, and the relevant physical properties are shown in tables 7 and 8.
TABLE 7 physical Properties of Low thermal Infrared reflection and radiation Integrated Material
Project Unit (B) Numerical value Remarks
Density of Kg/m 3 500
Compressive Strength MPa/cm 2 20
Flexural Strength MPa/cm 2 3.25
Coefficient of thermal conductivity W/(m·K) 0.05
Sound insulation db 5 Thickness of 10mm
Water-absorbing heat-shrinkable properties 3
Infrared reflectivity 80 Room temperature
Infrared emissivity of radiation 80 Room temperature
Rate of negative ion generation Individual/cm 3 983
Electromagnetic shielding effectiveness dB >16 30MHz-1GHz
The finished product prepared in the embodiment has the characteristics of light weight and good infrared reflection and radiation performance; (2) The finished product has certain electromagnetic shielding performance (16 dB), can prevent harmful electromagnetic waves from invading human bodies, and can convert the harmful electromagnetic waves into far infrared rays harmless to the human bodies; (3) Can realize the integration of excellent antibacterial performance and negative ion generation and far infrared radiation protection and health care performance.
TABLE 8 non-flammability performance test criteria and results
Judgment item Unit (B) Standard value Measurement value
Mass loss ratio —— ≤50% 10.4%
Duration of combustion S 0 0
Temperature rise in the furnace ≤30 ≤30
Meanwhile, the finished product meets the requirement of incombustibility, and the mass loss ratio is 10.4% and is far lower than the standard value; meanwhile, the plastic has the advantages of small volume density, low heat conductivity, good heat insulation performance, mechanical performance, no water absorption, good nail pull resistance, strong processability and good dimensional stability. The higher infrared reflectivity and infrared radiation (rate) performance can enable the finished product or the area enclosed by the finished product to radiate energy to the surrounding space in a mode of reflecting and emitting infrared rays so as to realize self cooling.
In this example, the finished product and the calcium silicate board cast at the same thickness of 10mm are respectively placed in 600 x 600 boxes made of board, and the front sides of the finished product and the calcium silicate board in the prior art in this example are respectively irradiated by an infrared lamp to obtain infrared irradiation heat insulation effect comparison data, and the comparison data are shown in table 8 in detail.
TABLE 9
Material Coefficient of thermal conductivity Backside temperature Box body temperature Infrared reflectivity
Calcium silicate board 0.04~0.06 50.4 34.4 -
Finished product prepared in this example 0.05 35.8 26.6 80%
Referring to table 9, compared with the calcium silicate board, the temperature of the back surface of the finished product prepared by casting and injection molding in this example is lower under the condition that the thermal conductivity coefficient is similar, and it is known that the finished product in this example has better heat external reflectivity.
In summary, the invention provides a low-heat-conduction infrared reflection and radiation integrated material: (1) The material has lower heat conductivity coefficient, higher infrared reflectivity and infrared radiation rate, can be applied to the field of building materials (such as building materials of building exterior wall tile boards, building interior wall tile boards, decorative boards, fiber cement boards and the like) by utilizing the characteristics of the materials, is used for replacing building materials or paint and the like in the prior art, can effectively realize heat reflection, reduces heat conduction through integrated materials and saves energy consumption; (2) The raw materials can be mainly prepared by adopting industrial solid waste, so that the resource recycling rate is improved, and the environment-friendly effect is better; (3) The anion generation rate is high, the anion self-characteristics are utilized, and the anion can be applied to the related technical fields of air and water purification, sterilization, health care to human bodies and the like, and has good practicability; (4) The electromagnetic shielding performance is good, the harmful electromagnetic waves can be prevented from invading the human body, and the harmful electromagnetic waves are converted into far infrared rays harmless to the human body, so that the protective effect is achieved; (5) The fireproof plate has the characteristic of incombustibility, can be used as a fireproof plate, and can extend and expand the application field of the fireproof plate.
According to the invention, the low-heat-conductivity infrared reflection and radiation integrated material can radiate far infrared rays which can be absorbed by human bodies on the basis of absorbing external electromagnetic waves or heat energy, and meanwhile, free neutral molecules in air and water bodies are ionized to promote the decomposition of the far infrared rays into positive ions and negative ions. Wherein positive ions such as hydrogen ions are mutually polymerized into gas volatile and dissipated, and negative ions are polymerized with other molecules into negative ion groups, so that the negative ion-free organic compound is used by people. The negative ion release efficiency of the low heat conduction infrared reflection and radiation integrated material can reach 1000 pieces/cm at most 3 And has durability and energy conservation which are not possessed by the traditional anion generating device.
The low-heat-conductivity infrared reflection and radiation integrated material can be applied to the technical fields of fireproof plates, building materials, protection and health care materials and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The low-heat-conductivity infrared reflection and radiation integrated material is at least prepared from the following raw materials in parts by weight:
2. the low thermal conductivity infrared reflection and radiation integration material according to claim 1, wherein: the matrix raw material is one or a mixture of more of fly ash, slag and recycled geopolymer.
3. The low thermal conductivity infrared reflection and radiation integration material according to claim 1, wherein: the alkali-activated agent is prepared from sodium silicate and sodium hydroxide, and has a modulus of 1.25-2.
4. The low thermal conductivity infrared reflection and radiation integration material according to claim 1, wherein: the functional filler is one or a mixture of more than one of lightweight fillers such as floating beads, vitrified micro bubbles, hollow microspheres and the like.
5. The low thermal conductivity infrared reflection and radiation integration material according to claim 1, wherein: basalt fibers are selected as the fibers.
6. The method for preparing the low-heat-conductivity infrared reflection and radiation integrated material as claimed in claim 1, comprising the following steps:
101: adding an alkali excitant into a certain amount of water, and stirring and standing to form a stable solution;
102: adding the fiber into the solution in the step 101, and stirring and standing to form a stable mixed solution;
103: adding tourmaline and matrix raw materials into the mixed solution in the step 102, and mixing and stirring to obtain slurry a;
104: adding a foaming agent into water, and stirring to form a stable solution;
105: adding the functional filler and the modified resin into the step 104, and mixing and stirring to obtain slurry b;
106: mixing the slurry a and the slurry b, and stirring to obtain a finished slurry;
107: and (3) casting the finished product slurry in the step 106 to produce the low-heat-conduction infrared reflection and radiation integrated material.
7. The method for preparing the low-heat-conductivity infrared reflection and radiation integrated material according to claim 6, wherein the method comprises the following steps: in step 107, the upper and lower facing papers are used for laminating maintenance, and the maintenance is carried out at a constant temperature of 50 ℃.
8. The method for preparing the low-heat-conductivity infrared reflection and radiation integrated material according to claim 6, wherein the alkali-activator is prepared from sodium silicate and sodium hydroxide, and has a modulus of 1.25-2.
9. The method for preparing the low-heat-conductivity infrared reflection and radiation integrated material according to claim 6, wherein the method comprises the following steps: in step 105, the solution prepared in step 104 is foamed by a foaming machine, and then functional filler and modified resin are added and further stirred to obtain slurry b.
10. The application of the low-heat-conductivity infrared reflection and radiation integrated material in fireproof boards, building materials and protective health care materials in claim 1.
CN202311708903.0A 2023-12-13 2023-12-13 Low-heat-conductivity infrared reflection and radiation integrated material and preparation method and application thereof Pending CN117682807A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1364052A (en) * 2001-01-09 2002-08-14 吴瑞华 Composite material for electromagnetic shielding
KR100858517B1 (en) * 2007-09-19 2008-09-12 주식회사 웰빙내츄럴 The functional characteristic paint which uses the natural mineral and the manufacturing method
CN106242426A (en) * 2016-07-29 2016-12-21 合肥广能新材料科技有限公司 External-wall heat-insulation material and preparation method thereof
CN107746213A (en) * 2017-10-18 2018-03-02 浙江大学 A kind of froth inorganic stock for the protection of industrial storage tank fire disaster emergency and preparation method thereof
CN112358815A (en) * 2020-11-24 2021-02-12 广东宏福蕾氧科技材料有限公司 Preparation method of negative oxygen ion releasing material and application of negative oxygen ion releasing material in building material
CN114031334A (en) * 2021-11-18 2022-02-11 江苏凯尔门业有限公司 Geopolymer-based wood substitute material and preparation method thereof
WO2022262319A1 (en) * 2021-06-15 2022-12-22 深圳大学 Fly ash-based foam geopolymer, preparation method therefor, and use thereof
KR20230058216A (en) * 2021-10-22 2023-05-03 주식회사 오리온이엔씨 Sealant Composition with Radiation Shielding Function, and Method for Manufacturing the Same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1364052A (en) * 2001-01-09 2002-08-14 吴瑞华 Composite material for electromagnetic shielding
KR100858517B1 (en) * 2007-09-19 2008-09-12 주식회사 웰빙내츄럴 The functional characteristic paint which uses the natural mineral and the manufacturing method
CN106242426A (en) * 2016-07-29 2016-12-21 合肥广能新材料科技有限公司 External-wall heat-insulation material and preparation method thereof
CN107746213A (en) * 2017-10-18 2018-03-02 浙江大学 A kind of froth inorganic stock for the protection of industrial storage tank fire disaster emergency and preparation method thereof
CN112358815A (en) * 2020-11-24 2021-02-12 广东宏福蕾氧科技材料有限公司 Preparation method of negative oxygen ion releasing material and application of negative oxygen ion releasing material in building material
WO2022262319A1 (en) * 2021-06-15 2022-12-22 深圳大学 Fly ash-based foam geopolymer, preparation method therefor, and use thereof
KR20230058216A (en) * 2021-10-22 2023-05-03 주식회사 오리온이엔씨 Sealant Composition with Radiation Shielding Function, and Method for Manufacturing the Same
CN114031334A (en) * 2021-11-18 2022-02-11 江苏凯尔门业有限公司 Geopolymer-based wood substitute material and preparation method thereof

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