CN118955175B - A high-efficiency window fire curtain and its preparation method and application - Google Patents
A high-efficiency window fire curtain and its preparation method and application Download PDFInfo
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- CN118955175B CN118955175B CN202411427896.1A CN202411427896A CN118955175B CN 118955175 B CN118955175 B CN 118955175B CN 202411427896 A CN202411427896 A CN 202411427896A CN 118955175 B CN118955175 B CN 118955175B
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5006—Boron compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/165—Fireproof windows
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/249—Glazing, e.g. vacuum glazing
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/22—Glazing, e.g. vaccum glazing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Business, Economics & Management (AREA)
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- Joining Of Glass To Other Materials (AREA)
Abstract
本发明公开了一种高效窗户防火帘及其制备方法和应用，属于窗户防火帘技术领域。本发明提供的高效窗户防火帘隔热性强、防火性能好；质轻、易施展，仅需在发生火灾时将其贴附在窗户的玻璃上，在火灾高温烘烤下即可与玻璃紧密贴合；表面防火隔热改性层中含有多种防火结构的阻燃改性元素，在丁烷喷枪火焰冲击下，可以保持防火帘和窗户的完整性；由于高效窗户防火帘表面涂覆的表面防火隔热改性层中含有硅、硼等防火元素，表面燃烧后可生成炭层产物，并且能有效黏附在玻璃表面，可以有效避免防火帘在火灾中脱落；提供的高效窗户防火帘的制备方法简单易操作，环境友好，不使用无有毒有害原材料，也无有毒有害物质生成，使用过程中无安全隐患。
The present invention discloses a high-efficiency window fire curtain and its preparation method and application, belonging to the technical field of window fire curtain. The high-efficiency window fire curtain provided by the present invention has strong heat insulation and good fireproof performance; it is light and easy to deploy, and only needs to be attached to the glass of the window when a fire occurs, and can be tightly attached to the glass under high-temperature baking of the fire; the surface fireproof and heat-insulating modified layer contains a variety of flame-retardant modified elements of fireproof structure, and under the impact of butane spray gun flame, the integrity of the fire curtain and the window can be maintained; because the surface fireproof and heat-insulating modified layer coated on the surface of the high-efficiency window fire curtain contains fireproof elements such as silicon and boron, a carbon layer product can be generated after the surface is burned, and it can effectively adhere to the glass surface, which can effectively prevent the fire curtain from falling off in a fire; the preparation method of the high-efficiency window fire curtain provided is simple and easy to operate, environmentally friendly, does not use toxic and harmful raw materials, and does not generate toxic and harmful substances, and there are no safety hazards during use.
Description
Technical Field
The invention relates to the technical field of window fireproof curtains, in particular to a high-efficiency window fireproof curtain and a preparation method and application thereof.
Background
Building windows are areas of weakness in the event of a fire. Whether the fire is in a forest town border area or in an outer facade of a building, the windows of the building are broken through in a flying fire and heat radiation mode, so that the fire is spread into the building to cause internal combustibles to catch fire, and a large amount of life and property losses are caused. Therefore, how to quickly realize the emergency protection of windows is very important when a fire disaster occurs in a forest town border area or a building outer elevation fire disaster.
In some building scenes, fire is effectively prevented from entering a room through a window by installing fireproof glass. But most of the glass used in the buildings is common toughened glass, and even common float glass is used in the buildings in remote areas. The traditional flame-retardant curtain is made of flame-retardant fabric, so that the combustion behavior of the curtain can be slowed down when a fire disaster occurs, and the flame-retardant curtain has a general fireproof and heat-insulating effect on the window. The composite type air window fire curtain for emergency fire prevention can be effectively used for emergency fire prevention, and can provide additional protection when a fire disaster occurs, so that the window is prevented from being broken and the fire is prevented from spreading.
The glass fiber toughened SiO 2 aerogel has excellent high-temperature heat stability, heat insulation and weather resistance, and is an ideal material for preparing the fireproof curtain. Meanwhile, the density is very low, the strength and toughness are very high, the material can be used for manufacturing light structural materials, and emergency use is facilitated. In addition, compared with other similar products, the glass fiber toughened silica aerogel has relatively low price and higher cost performance. However, the glass fiber toughened SiO 2 aerogel has a temperature resistance of 650 ℃ which is far lower than the high-temperature environment of 1000 ℃ in the forest town boundary area and building facade fire.
Disclosure of Invention
The invention aims to provide a high-efficiency window fireproof curtain and a preparation method and application thereof, which are used for solving the problems that in forest town juncture domain fires and building facade fires, glass has poor high-temperature thermal stability and fireproof heat insulation performance and is extremely easy to break, so that fire rapidly spreads indoors and huge losses are caused to lives and property of people.
In order to achieve the aim, the invention provides the high-efficiency window fireproof curtain which consists of 3 layers, wherein the middle layer is glass fiber toughened SiO 2 aerogel, and both sides of the middle layer are surface fireproof heat-insulating modified layers.
Preferably, the preparation method of the surface fireproof heat insulation modified layer comprises the following steps:
S1, carrying out reflux reaction on 3-aminopropyl diethoxymethyl silane and deionized water for 6 hours at 90 ℃, and carrying out reduced pressure distillation to obtain a colorless viscous liquid product;
S2, dissolving the prepared colorless viscous liquid product in absolute ethyl alcohol, then dripping the absolute ethyl alcohol product into an absolute ethyl alcohol solution of diphenyl phosphate, continuing to react for 12 hours after dripping, and removing the ethanol to obtain a colorless solid product;
s3, dissolving boric acid in isopropanol, adding the colorless solid product prepared in the step S2 into the obtained solution, uniformly mixing, stirring for 30min under the condition of heating and stirring, and then heating the mixture to 105 ℃ to obtain a viscous solution.
Preferably, the mass ratio of the 3-aminopropyl diethoxymethyl silane to the deionized water in the S1 is 3-4:1, and the reduced pressure distillation is carried out by reducing the pressure at 120 ℃ for 3 hours, and then heating to 150 ℃ for 3 hours.
Preferably, the mass volume ratio of the colorless viscous liquid product in the S2 to the absolute ethyl alcohol is 1 g to 10 mL, the mass volume ratio of the diphenyl phosphate to the absolute ethyl alcohol is 1 g to 4-5 mL, and the reaction is carried out at 70 ℃ after the dripping is completed.
Preferably, the mass volume ratio of boric acid to isopropanol in S3 is 1 g to 25 mL, the molar ratio of the colorless solid product prepared in S2 to boric acid is 1.5 to 1, and the heating and stirring conditions are 75 ℃ and 200 rpm.
Preferably, the aerogel is one or more of silicon dioxide, aluminum-based aerogel and ceramic aerogel, and the thickness of the aerogel is not less than 3mm.
The preparation method of the high-efficiency window fireproof curtain comprises the following steps of uniformly coating the surface fireproof heat-insulating modified layers at 105 ℃ on two sides of glass fiber toughened SiO 2 aerogel.
Preferably, the surface fireproof heat insulation modification layer has a coating amount of 0.05 g/cm 2.
The application of the high-efficiency window fireproof curtain on a building window is that the high-efficiency window fireproof curtain is attached to glass.
Through at glass fiber toughened SiO 2 aerogel surface fire prevention modification, prepare compound window fire prevention curtain, effectively promote the fire resistance of aerogel. In addition, in order to ensure that the fireproof curtain can still be adhered to the surface of the window glass under the impact of flame, external force clamping can be avoided, the use is convenient, fireproof structures such as silicon, boron and the like are introduced into the surface fireproof modifier, and the fireproof structure is similar to the glass in composition, so that the thermal stability and the adhesiveness of the high-temperature carbon layer are ensured.
The fire prevention and heat insulation effects of the high-efficiency window fire-resistant curtain prepared by the invention are different due to different types and thicknesses of the aerogel, and the better and thicker the fire prevention and heat insulation effects of the aerogel of the high-efficiency window fire-resistant curtain are, the better the fire prevention and heat insulation effects of the high-efficiency window fire-resistant curtain are.
Therefore, the efficient window fireproof curtain and the preparation method and application thereof provided by the invention have the following specific technical effects:
(1) The high-efficiency window fireproof curtain provided by the invention has the advantages of strong heat insulation, good fireproof performance, light weight, easiness in deployment, capability of being tightly attached to glass of a window only by being attached to the glass when a fire disaster occurs and being baked at a high temperature, and capability of keeping the integrity of the fireproof curtain and the glass under the impact of flame of a butane spray gun due to the fact that the surface fireproof heat insulation modified layer contains flame-retardant modified elements with various fireproof structures;
(2) According to the high-efficiency window fireproof curtain, as the surface fireproof heat-insulating modified layer contains fireproof elements such as silicon, boron and the like, a carbon layer product can be generated after surface combustion, and the high-efficiency window fireproof curtain can be effectively adhered to the surface of glass, so that the fireproof curtain can be effectively prevented from falling off in a fire disaster;
(3) The preparation method of the efficient window fireproof curtain provided by the invention is simple and easy to operate, is environment-friendly, does not use toxic and harmful raw materials, does not generate toxic and harmful substances, and has no potential safety hazard in the use process.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a fire-resistant curtain for a high-efficiency window according to an embodiment of the present invention;
FIG. 2 is a 1 H-NMR spectrum of a colorless viscous liquid product prepared in part (1) of example one of the present invention;
FIG. 3 is a nuclear magnetic resonance hydrogen spectrum of the colorless solid product prepared in part (2) of example one of the present invention;
FIG. 4 is a nuclear magnetic resonance chromatogram of the colorless solid product prepared in part (2) of example one of the present invention;
FIG. 5 is a high temperature char formation detection result of the colorless solid product prepared in part (2) of the first embodiment of the present invention;
FIG. 6 is a result of examining the pyrolysis behavior of the colorless solid product prepared in part (2) of example one of the present invention;
FIG. 7 is a photograph of a butane lance flame impact of 3mm thick glass fiber toughened SiO 2 aerogel without any treatment (A) and a photograph of 3mm thick glass fiber toughened SiO 2 aerogel without any treatment after impact (B) in example two of the present invention;
FIG. 8 is a graph showing the temperature change when a butane lance flame is impacted against a glass fiber toughened SiO 2 aerogel of 3 mm a thick without any treatment, which is drawn in example two of the present invention;
FIG. 9 is a photograph of a butane gun flame-impact example one of the high efficiency window fire-blocking curtains of example III of the present invention (A) and a photograph of a high efficiency window fire-blocking curtain of example I after impact (B);
FIG. 10 is a graph of the temperature change of a butane gun flame impact on a high efficiency window fire curtain prepared in example one, as plotted in example three of the present invention;
FIG. 11 is a photograph of a side view of a high efficiency window fire curtain and glass made in accordance with example one of the third embodiment of the present invention, with butane gun flame impingement.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
In order to make the objects, technical solutions and advantages of the present application more clear, thorough and complete, the technical solutions of the present application will be clearly and completely described below through the accompanying drawings and examples. The following detailed description is of embodiments, and is intended to provide further details of the application. Unless defined otherwise, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
The instrumentation and reagent materials used in the examples are all commercially available.
Example 1
The structural schematic diagram of the high-efficiency window fireproof curtain is shown in fig. 1, the high-efficiency window fireproof curtain consists of 3 layers, an intermediate layer is glass fiber toughened SiO 2 aerogel, the glass fiber toughened SiO 2 aerogel is 3 mm thick, and both sides of the intermediate layer are surface fireproof heat-insulating modified layers.
Firstly, preparing a surface fireproof heat-insulating modified layer, which comprises the following specific steps:
(1) 20.3 g of 3-aminopropyl diethoxymethyl silane and 5.4g of purified water were introduced into a three-necked round-bottomed flask and reacted at reflux at 90℃for 6 hours. 120. Distillation at reduced pressure for 3 hours at C.and then at 150 C.for 3 hours gives a colorless viscous liquid product. The reaction formula is as follows:
。
The colorless viscous liquid product obtained by nuclear magnetic resonance detection has a 1 H-NMR spectrum shown in FIG. 2.
(2) The colorless viscous liquid product obtained in step (1) of 5. 5g and 10.4. 10.4 g diphenyl phosphate were dissolved in 50. 50 mL absolute ethanol, respectively. Then the ethanol solution of the colorless viscous liquid product obtained in the step (1) is slowly dripped into the ethanol solution of diphenyl phosphoric acid provided with a condensing reflux device, and the reaction is continued for 12 hours at 70 ℃ after the dripping is finished. Ethanol was removed by rotary evaporation to give the product as a colourless solid. The reaction formula is as follows:
。
The colorless solid product prepared by detection of a nuclear magnetic resonance spectrometer has a nuclear magnetic resonance hydrogen spectrum shown in figure 3 and a nuclear magnetic resonance phosphorus spectrum shown in figure 4.
The high temperature char formation of the prepared colorless solid product was examined by thermogravimetric analysis, and the result is shown in fig. 5, wherein the char yield of the prepared colorless solid product at 800 ℃.
The pyrolysis behavior of the prepared white solid product was examined using thermogravimetric analysis, and the result is that the prepared colorless solid product had a maximum thermal degradation rate at a temperature of 330 ℃ as shown in fig. 6.
(II) preparing a high-efficiency window fireproof curtain, which comprises the following specific steps:
Dissolving 0.1 g boric acid in 2.5 mL isopropanol, adding part of the obtained colorless solid product (the molar ratio of the colorless solid product prepared by part to boric acid is 1.5:1), uniformly mixing, stirring for 30min under the heating condition of 75 ℃, heating the mixture to 105 ℃ to obtain a viscous solution, and uniformly coating the viscous solution on the surface of the glass fiber toughened SiO 2 aerogel on both sides in the dosage of 0.05 g/cm 2.
Example two
The glass fiber toughened SiO 2 aerogel with the thickness of 3 mm parts (the non-impact surface of the glass fiber toughened SiO 2 aerogel is attached with equal area and the glass fiber toughened SiO 2 aerogel with the thickness of 3 mm parts) which is not subjected to any treatment after being purchased by the flame impact of the butane spray gun is adopted, the impact time is 1800 s, the result is shown in figure 7, wherein the part A is a photograph of the flame impact of the butane spray gun, the part B is a photograph of the back surface (toughened glass surface) of the glass fiber toughened SiO 2 aerogel after the flame impact of the butane spray gun, and the middle part of the glass fiber toughened SiO 2 aerogel with the thickness of 3 mm parts is burnt through, obvious holes appear and the integrity is damaged. Meanwhile, after the impact experiment of the flame spray gun, the glass on the back of the aerogel is broken.
The temperature change of the toughened glass in the flame impact process of the butane spray gun is recorded by using an infrared thermal imager, a temperature change curve is drawn, the temperature change curve is shown in figure 8, the glass on the back of the glass fiber toughened SiO 2 aerogel which is 3mm thick and is not subjected to any treatment is rapidly increased, and the temperature is up to 600 ℃.
Example III
The high-efficiency window fire-resistant curtain prepared in the first embodiment is attached to the surface of toughened glass with the same area and 3 mm a, cured at 110 ℃ for 3h a, and then the high-efficiency window fire-resistant curtain prepared in the first embodiment is impacted by using a butane spray gun flame, and the result is shown in fig. 9, wherein part a is a photograph of the butane spray gun flame when the butane spray gun is impacted, part B is a photograph of the non-impacted surface (toughened glass surface) of the butane spray gun after the butane spray gun flame is impacted, so that the high-efficiency window fire-resistant curtain after the butane spray gun flame is impacted can be seen to keep integrity, obvious holes do not appear as in the second embodiment, and the toughened glass on the back is not broken.
The temperature change of the toughened glass in the flame impact process of the butane gun is recorded by using an infrared thermal imager, a temperature change curve is drawn, as shown in fig. 10, and the temperature of the toughened glass after the high-efficiency window fireproof curtain prepared in the first embodiment is attached is only 300 ℃ at most.
The side photographs of the high-efficiency window fire-resistant curtain and the glass after the butane spray gun flame impact experiment are shown in fig. 11, the high-efficiency window fire-resistant curtain prepared in the first embodiment has an expansion phenomenon under the butane spray gun flame impact, the thickness is obviously increased compared with that of the initial 3mm, and meanwhile, the high-efficiency window fire-resistant curtain prepared in the first embodiment still adheres to the surface of the glass after the flame impact under the condition of no external force clamping.
The high-efficiency window fireproof curtain provided by the invention has the advantages that the heat insulation performance is strong, the fireproof performance is good, the high-efficiency window fireproof curtain is light and easy to spread, the high-efficiency window fireproof curtain is only required to be attached to glass of a window when a fire disaster occurs, the high-efficiency window fireproof curtain can be closely attached to the glass under the high-temperature baking condition of the fire disaster, the surface fireproof heat insulation modified layer contains flame retardant modified elements with various fireproof structures, the integrity can be kept under the impact of flame of a butane spray gun, and the surface fireproof heat insulation modified layer coated on the surface of the high-efficiency window fireproof curtain contains fireproof elements such as silicon, boron and the like, can generate a carbon layer product after the surface is burnt, can be effectively adhered to the surface of the glass, can effectively prevent the fireproof curtain from falling off in the fire disaster, and the preparation method of the high-efficiency window fireproof curtain is simple and easy to operate, is environment-friendly, does not use toxic and harmful substances and has no potential safety hazards in the use process.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted by the same, and the modified or substituted technical solution may not deviate from the spirit and scope of the technical solution of the present invention.
Claims (8)
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| CN117922146A (en) * | 2024-03-19 | 2024-04-26 | 中国科学技术大学 | Fire emergency flame-retardant fireproof composite aerogel film, and preparation method and application thereof |
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| CN101597307B (en) * | 2009-07-09 | 2012-05-23 | 中国科学技术大学 | A kind of ultraviolet-curable phosphorus-nitrogen-containing halogen-free flame retardant and preparation method thereof |
| AU2010224332B2 (en) * | 2009-09-21 | 2013-07-18 | Loar, Ronald J | Combination window shutter for fire and shade |
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| US20240124670A1 (en) * | 2022-10-12 | 2024-04-18 | Virginia Commonwealth University | Fire-resistant, fire retardant and/or thermal insulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117922146A (en) * | 2024-03-19 | 2024-04-26 | 中国科学技术大学 | Fire emergency flame-retardant fireproof composite aerogel film, and preparation method and application thereof |
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