CN115370272A - High-light-transmittance heat-insulation fireproof glass and preparation method thereof - Google Patents
High-light-transmittance heat-insulation fireproof glass and preparation method thereof Download PDFInfo
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- CN115370272A CN115370272A CN202211144188.8A CN202211144188A CN115370272A CN 115370272 A CN115370272 A CN 115370272A CN 202211144188 A CN202211144188 A CN 202211144188A CN 115370272 A CN115370272 A CN 115370272A
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- 239000011521 glass Substances 0.000 title claims abstract description 85
- 238000002834 transmittance Methods 0.000 title claims abstract description 40
- 238000009413 insulation Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- 239000005341 toughened glass Substances 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000004383 yellowing Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013464 silicone adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- RLQWHDODQVOVKU-UHFFFAOYSA-N tetrapotassium;silicate Chemical compound [K+].[K+].[K+].[K+].[O-][Si]([O-])([O-])[O-] RLQWHDODQVOVKU-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The application relates to high-light-transmittance heat-insulation fireproof glass and a preparation method thereof. The preparation method comprises the following steps: weighing raw materials according to the mass percent of 4-6% of anti-condensation agent, 1% of water-based defoaming agent, 65-70% of silicon dioxide aqueous solution and 25-30% of potassium hydroxide solution, and preparing fire-proof liquid; laminating the first glass substrate, the intermediate piece and the second glass substrate, wherein a hollow cavity is formed between the first glass substrate and the second glass substrate; and pouring the fireproof liquid into the hollow cavity, and drying and curing to obtain the high-light-transmittance heat-insulation fireproof glass. According to the application, the proportion of the silicon dioxide aqueous solution is improved to 65% -70%, so that the ratio of SiO _2/k _2O is improved to 4.5-5.5, the silicon-oxygen bond crosslinking degree can be improved, the chemical stability of the silicon-oxygen bond is improved, the problems of bubbles, reduction of visible light transmittance, yellowing and the like generated in the using process are avoided, and meanwhile, the thermal stability and the fireproof performance are also improved.
Description
Technical Field
The application relates to fireproof glass, in particular to high-light-transmittance heat-insulation fireproof glass and a preparation method thereof.
Background
The interlayer material of the inorganic fireproof glass is a mixture mainly taking potassium water glass k _2 O.nSiO _2 as a base material, and mainly comprises a curing agent, a defoaming agent, a coupling agent and other related auxiliary agents. However, in the prior art, the conventional modulus, namely the ratio n, n of SiO _2/k _2O is generally between 2.3 and 4, is directly used as the material of the fireproof glass intermediate layer, but the material has low silicon-oxygen bond crosslinking degree and poor chemical stability, and in the using process, particularly under the action of ultraviolet rays, the visible light transmittance of the material is easily reduced, bubbles are generated, and the appearance quality of the fireproof glass is influenced.
Disclosure of Invention
In order to solve the technical problems in the prior art, the embodiment of the application provides a high-light-transmittance heat-insulation fireproof glass and a preparation method thereof. The specific technical scheme is as follows:
in a first aspect, a preparation method of high-light-transmittance heat-insulation fireproof glass is provided, and comprises the following steps: weighing raw materials according to the mass percent of 4-6% of anti-condensation agent, 1% of water-based defoaming agent, 65-70% of silicon dioxide aqueous solution and 25-30% of potassium hydroxide solution, and preparing fire-proof liquid; laminating the first glass substrate, the intermediate piece and the second glass substrate, wherein a hollow cavity is formed between the first glass substrate and the second glass substrate; and pouring the fireproof liquid into the hollow cavity, and drying and curing to obtain the high-light-transmittance heat-insulation fireproof glass.
In a first possible implementation manner of the first aspect, the method for preparing the fire-proof liquid comprises the following steps: mixing and stirring the weighed anti-condensing agent, the water-based defoaming agent, the silicon dioxide aqueous solution and the potassium hydroxide solution at normal temperature to obtain a mixed solution; and (3) stirring the mixed solution in vacuum at the temperature of 45-53 ℃, introducing cooling water in the vacuumizing process to cool the mixed solution, and closing the vacuum pump after the mixed solution is restored to the normal temperature to obtain the fireproof liquid.
In a second possible implementation of the first aspect, the anti-condensation agent comprises ethylene glycol or glycerol.
In a third possible implementation form of the first aspect, the concentration of the aqueous silica solution is 50% and the concentration of the potassium hydroxide solution is 50%.
In a fourth possible implementation manner of the first aspect, the first glass substrate, the intermediate member, and the second glass substrate laminating method include the following steps: placing an intermediate piece around the first glass substrate; the second glass substrate was covered on the intermediate member and fixed.
With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the method further includes the following steps: the sides of the intermediate member are glue sealed.
In a sixth possible implementation manner of the first aspect, both the first glass substrate and the second glass substrate use ultra-white tempered glass.
In a seventh possible implementation manner of the first aspect, the intermediate member uses a butyl-on-cloth fire protection tape.
In an eighth possible implementation manner of the first aspect, the drying and curing temperature of the fire protection liquid is 70 ℃.
In a second aspect, the high-transmittance heat-insulating fireproof glass prepared by the preparation method of the high-transmittance heat-insulating fireproof glass in the first aspect is provided.
Compared with the prior art, the application has the advantages that:
according to the high-light-transmittance heat-insulation fireproof glass and the preparation method thereof, the proportion of the silicon dioxide aqueous solution is increased to 65% -70%, and the ratio of SiO _2/k _2O is increased to 4.5-5.5, so that the silicon-oxygen bond crosslinking degree can be improved, the chemical stability of the glass is improved, the problems of bubbles, reduction of visible light transmittance, yellowing and the like in the using process are avoided, and meanwhile, the thermal stability and the fireproof performance are also improved. In addition, 4-6% of anti-condensation agent is added into the fireproof liquid, and free water in the system is locked by the anti-condensation agent, so that the low temperature is suitable for the lower limit of-20 ℃, and the use requirement of most areas can be met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a flowchart illustrating steps of a method for manufacturing a high transmittance insulating fire-resistant glass according to an embodiment of the present application.
Detailed Description
As for the intermediate layer material of the inorganic fireproof glass, the ratio of SiO _2/k _2O is generally between 2.3 and 4, the silicon-oxygen bond crosslinking degree is low, the chemical stability is poor, and the visible light transmittance of the material is easy to be reduced and bubbles are generated under the action of ultraviolet rays in the using process, particularly, the appearance quality of the fireproof glass is affected.
According to the preparation method of the high-light-transmittance heat-insulation fireproof glass, the ratio of SiO _2/k _2O is increased by increasing the proportion of the silicon dioxide aqueous solution, the fireproof interlayer material with high modulus is prepared, the silicon-oxygen bond crosslinking degree is increased, the chemical stability of the fireproof interlayer material is improved, the problems of reduction of bubbles and visible light transmittance, yellowing and the like in the use process are avoided, and meanwhile, the thermal stability and the fireproof performance are also improved.
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Please refer to fig. 1, which is a flowchart illustrating steps of a method for manufacturing a high transmittance insulating fireproof glass according to an embodiment of the present application. As shown in the figure, the preparation method S of the high light transmittance heat insulation fireproof glass comprises the following steps S1 to S3. First, in step S1, a fire-retardant liquid is prepared. Weighing raw materials according to the mass percent of 4% -6% of anti-condensation agent, 1% of water-based defoaming agent, 65% -70% of silicon dioxide aqueous solution and 25% -30% of potassium hydroxide solution, then adding the weighed anti-condensation agent, water-based defoaming agent, silicon dioxide aqueous solution and potassium hydroxide solution into a glass reaction kettle, and mixing and stirring for a period of time at normal temperature to obtain mixed solution.
And heating the mixed solution to 45-53 ℃, keeping the temperature for a period of time, reducing the stirring speed to prevent bubbles from being generated due to overhigh stirring speed, simultaneously starting a vacuum pump to keep a good vacuumizing effect, introducing cooling water to cool the mixed solution in the vacuumizing process, and closing the vacuum pump after the mixed solution is restored to the normal temperature to obtain the fireproof liquid. In this embodiment, the anti-condensation agent comprises ethylene glycol or glycerin, the concentration of the aqueous silica solution is 50%, and the concentration of the potassium hydroxide solution is 50%.
Then, in step S2, the glass substrates are laminated. And laminating the first glass substrate, the intermediate piece and the second glass substrate, wherein a hollow cavity is formed between the first glass substrate and the second glass substrate. In this embodiment, the first glass substrate and the second glass substrate both use super white toughened glass, and the middleware uses butyl fire prevention adhesive tape on the cloth. Specifically, a first glass substrate and a second glass substrate are cleaned, then an intermediate piece is placed around the first glass substrate, then the second glass substrate is covered on the intermediate piece and fixed to form a hollow glass structure, and finally a silicone adhesive gun is used for gluing and sealing the side face of the intermediate piece.
Finally, in step S3, a fire-retardant liquid is poured. And (3) pouring the fireproof liquid into the hollow cavity of the hollow glass structure, and then putting the poured hollow glass into an oven at 70 ℃ for drying and curing until the glass is completely transparent, so as to obtain the high-light-transmittance heat-insulation fireproof glass.
According to the preparation method S of the high-light-transmittance heat-insulation fireproof glass, the ratio of SiO _2/k _2O is increased to 4.5-5.5 by increasing the proportion of the silicon dioxide aqueous solution to 65% -70%, so that the silicon-oxygen bond crosslinking degree can be increased, and the chemical stability of the glass can be improved. In the embodiment, 4-6% of anti-condensation agent is added into the fireproof liquid to lock free water in the system, so that the low temperature is suitable for the lower limit of-20 ℃, and the use requirement of most areas can be met.
The beneficial effects of the high transmittance thermal insulation fireproof glass and the preparation method thereof will be described in the following with specific examples.
Examples
1. Cleaning the two pieces of ultra-white toughened glass;
2. arranging butyl fireproof adhesive tapes around one of the super-white toughened glass;
3. covering the other ultra-white glass on the butyl fireproof adhesive tape, and laminating, so that a hollow cavity is formed between the two ultra-white toughened glass and the butyl fireproof adhesive tape;
4. using a silicone adhesive gun to perform glue application and sealing on the side surface;
5. adding 4 mass percent of ethylene glycol, 1 mass percent of water-based defoaming agent, 30 mass percent of potassium hydroxide solution (with the concentration of 50 percent) and 65 mass percent of silicon dioxide solution (with the concentration of 50 percent) into a glass reaction kettle at normal temperature, mixing and stirring;
6. stirring at normal temperature for a period of time, heating to 45-53 ℃, keeping the temperature for a period of time, reducing the stirring speed to prevent bubbles from being generated due to overhigh stirring speed, simultaneously starting a vacuum pump to keep good vacuumizing effect, introducing cooling water to cool the solution in the vacuumizing process, stopping the vacuum pump after the solution is restored to the normal temperature, and filling the fireproof liquid into the hollow cavity;
7. putting the filled hollow glass into an oven at 70 ℃ for drying and curing until the hollow glass is completely transparent, thus obtaining the high-light-transmittance heat-insulation fireproof glass;
8. the performance of the high-light-transmittance heat-insulation fireproof glass is tested, the transmittance is more than or equal to 88 percent, the haze is less than or equal to 1 percent, and the ultraviolet irradiation resistance and the fire resistance can meet the requirements of GB/T15763.1-2009 and GB/T12513-2006.
In summary, the application provides a high-light-transmittance thermal-insulation fireproof glass and a preparation method thereof. According to the application, the proportion of the silicon dioxide aqueous solution is improved to 65% -70%, so that the ratio of SiO _2/k _2O is improved to 4.5-5.5, the silicon-oxygen bond crosslinking degree can be improved, the chemical stability of the silicon-oxygen bond is improved, the problems of bubbles, reduction of visible light transmittance, yellowing and the like generated in the using process are avoided, and meanwhile, the thermal stability and the fireproof performance are also improved. In addition, 4-6% of anti-condensation agent is added into the fireproof liquid, and free water in the system is locked by the anti-condensation agent, so that the low temperature of the system is suitable for the lower limit of-20 ℃, and the use requirement of most areas can be met.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A preparation method of high-light-transmittance heat-insulation fireproof glass is characterized by comprising the following steps:
weighing raw materials according to the mass percent of 4-6% of anti-condensation agent, 1% of water-based defoaming agent, 65-70% of silicon dioxide aqueous solution and 25-30% of potassium hydroxide solution, and preparing fire-proof liquid;
laminating a first glass substrate, an intermediate piece and a second glass substrate, wherein a hollow cavity is formed between the first glass substrate and the second glass substrate;
and pouring the fireproof liquid into the hollow cavity, and drying and curing to obtain the high-light-transmittance heat-insulation fireproof glass.
2. The method for preparing the high-transmittance heat-insulating fireproof glass according to claim 1, wherein the preparation method of the fireproof liquid comprises the following steps:
mixing and stirring the weighed anti-condensation agent, the water-based defoaming agent, the silicon dioxide aqueous solution and the potassium hydroxide solution at normal temperature to obtain a mixed solution;
and stirring the mixed solution in vacuum at the temperature of 45-53 ℃, introducing cooling water in the vacuumizing process to cool the mixed solution, and closing the vacuum pump after the mixed solution is restored to the normal temperature to obtain the fireproof liquid.
3. The method for preparing a high-transmittance thermal-insulation fireproof glass according to claim 1, wherein the anti-condensation agent comprises ethylene glycol or glycerol.
4. The method for preparing the high-transmittance thermal-insulation fireproof glass according to claim 1, wherein the concentration of the aqueous silica solution is 50%, and the concentration of the potassium hydroxide solution is 50%.
5. The method for preparing the high-transmittance heat-insulating fireproof glass according to claim 1, wherein the method for laminating the first glass substrate, the intermediate piece and the second glass substrate comprises the following steps:
placing the intermediate piece around the first glass substrate;
and covering the second glass substrate on the intermediate member and fixing.
6. The method for preparing the high-transmittance heat-insulating fireproof glass according to claim 5, further comprising the following steps: and applying glue and sealing to the side surface of the intermediate piece.
7. The method for preparing the high-transmittance thermal-insulation fireproof glass according to claim 1, wherein the first glass substrate and the second glass substrate are both made of ultra-white tempered glass.
8. The method for preparing high-transmittance thermal-insulation fireproof glass according to claim 1, wherein a butyl fire-proof adhesive tape is used as the intermediate member.
9. The method for preparing the high-transmittance heat-insulation fireproof glass according to claim 1, wherein the drying and curing temperature of the fireproof liquid is 70 ℃.
10. A high transmittance thermal insulation fire-proof glass prepared by the method for preparing the high transmittance thermal insulation fire-proof glass according to any one of the above claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211144188.8A CN115370272A (en) | 2022-09-20 | 2022-09-20 | High-light-transmittance heat-insulation fireproof glass and preparation method thereof |
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| CN202211144188.8A CN115370272A (en) | 2022-09-20 | 2022-09-20 | High-light-transmittance heat-insulation fireproof glass and preparation method thereof |
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| CN113185149A (en) * | 2021-06-08 | 2021-07-30 | 中国科学院长春应用化学研究所 | Fireproof glass and preparation method thereof |
| CN114409279A (en) * | 2022-01-24 | 2022-04-29 | 广东卫屋防火科技有限公司 | Fireproof interlayer adhesive, preparation method thereof and fireproof glass comprising fireproof interlayer adhesive |
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Application publication date: 20221122 |