CN117264554A - Multifunctional flame-retardant heat-insulation aerogel composite material and preparation method thereof - Google Patents
Multifunctional flame-retardant heat-insulation aerogel composite material and preparation method thereof Download PDFInfo
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- CN117264554A CN117264554A CN202311158743.7A CN202311158743A CN117264554A CN 117264554 A CN117264554 A CN 117264554A CN 202311158743 A CN202311158743 A CN 202311158743A CN 117264554 A CN117264554 A CN 117264554A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 108
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000004964 aerogel Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 45
- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000010410 layer Substances 0.000 claims description 43
- 239000012790 adhesive layer Substances 0.000 claims description 40
- 239000004744 fabric Substances 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 20
- 230000001070 adhesive effect Effects 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000013535 sea water Substances 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 8
- 229920002748 Basalt fiber Polymers 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000010705 motor oil Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000004513 sizing Methods 0.000 claims 1
- 238000007711 solidification Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 7
- 241000282414 Homo sapiens Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J197/00—Adhesives based on lignin-containing materials
- C09J197/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/14—Glass
- C09J2400/143—Glass in the substrate
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
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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
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a multifunctional flame-retardant heat-insulating aerogel composite material and a preparation method thereof. The invention has the functions of flame retardance, heat preservation, convenient installation and the like, wherein the heat insulation performance of the aerogel heat insulation felt layer improves the heat insulation and heat preservation functions of the material, compared with the traditional material, the heat retardance and heat preservation performance are greatly enhanced, and the use and installation functions of the material are more convenient by adding the anti-solidification release film (paper).
Description
Technical Field
The invention belongs to the technical field of flame-retardant heat-insulating composite materials, and particularly relates to a multifunctional flame-retardant heat-insulating aerogel composite material and a preparation method thereof.
Background
The multifunctional flame-retardant heat-insulating material is a material with wide application fields and huge application prospects in engineering, and is permeated into various fields of national defense and military industry, aerospace, transportation, biomedicine, constructional engineering and the like. Meanwhile, the lighter and stronger material can greatly reduce the survival cost of human beings on the premise of not influencing the requirements of the human beings, and effectively relieve the requirements of the human beings on energy sources.
Aerogel is used as a first-choice material of a future heat-insulating flame-retardant material, and on the basis of solving the production, products capable of being optimized and even replacing the existing materials in multiple fields such as buildings, ships, rail transit and the like are developed. Especially in the field of ships, the problems of more dust, large construction pollution, large occupied space, influence on human health and the like of the existing materials are solved.
However, the aerogel materials with low density developed in recent years have a good heat-insulating effect, but have a low mechanical modulus. Compared with the traditional external wall heat insulation material, the aerogel is fragile, and the block material formed by aerogel particles is easy to crack and does not have good adhesion.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a multifunctional flame-retardant heat-insulation aerogel composite material and a preparation method thereof. The material can greatly reduce dust hazard, reduce environmental pollution of a construction site, improve working efficiency of the construction site, and achieve the effect of construction requirements by using lighter and less space.
In order to achieve the above object, the present invention provides the following technical solutions:
the multifunctional flame-retardant heat-insulating aerogel composite material is of a multilayer structure and is characterized by comprising a fireproof material layer, a first flame-retardant adhesive layer, an aerogel heat-insulating felt layer, a second flame-retardant adhesive layer, a flame-retardant material fiber layer, a flame-retardant adhesive layer and a curing-preventing release paper layer which are sequentially stacked from top to bottom.
Further, the fireproof material layer is one or a combination of more of marine flame-retardant white cloth, glass fiber cloth, aluminum silicate cloth, high silica fiber cloth, aluminum foil fiber cloth or basalt fiber cloth.
Further, the first flame-retardant adhesive and the second flame-retardant adhesive layer are formed by mixing 3-5% of artificial seawater, 10 # engine oil, 3-10% of hydrochloric acid and 7-9% of sodium hydroxide.
Further, the aerogel insulation blanket is comprised of an aerogel composite.
Further, the flame retardant material fiber layer is one of glass fiber cloth or basalt fiber cloth.
Further, the flame-retardant adhesive layer is formed by mixing 30% of acrylic resin, 20% of ammonium polyphosphate and 50% of base paper.
The invention also provides a preparation method of the multifunctional flame-retardant heat-insulating aerogel composite material, which is characterized by comprising the following steps:
s1, coating a first flame-retardant adhesive on one side of a fireproof material layer to form a first flame-retardant adhesive layer, coating a second flame-retardant adhesive on one side of an aerogel heat insulation felt layer to form a second flame-retardant adhesive layer, coating the first flame-retardant adhesive layer with the fireproof material layer on the surface of the aerogel heat insulation felt layer far away from the second flame-retardant adhesive layer, coating a flame-retardant material fiber layer on the surface of the second flame-retardant adhesive layer, and carrying out composite shaping through a high-temperature rolling method to initially prepare the multifunctional flame-retardant heat insulation aerogel composite board;
s2, covering the surface of a flame-retardant material fiber layer of the preliminarily formed composite board with flame-retardant self-adhesive layer to form a flame-retardant self-adhesive layer, coating anti-curing release paper on the surface of the flame-retardant self-adhesive layer, and carrying out rolling composite shaping at normal temperature to finally form a multifunctional flame-retardant heat-insulation aerogel composite material finished product;
s3, cutting the composite board formed in the step S2 into different sizes according to actual needs.
Further, the hot pressing temperature in the step S1 is 675-700 ℃, the pressure is 5.76-10 MPa, and the time is 20-30 min.
Further, the first flame-retardant adhesive and the second flame-retardant adhesive in the S1 are formed by mixing 5% -10% of artificial seawater, 10 # engine oil, 6% -15% of hydrochloric acid and 5% -10% of sodium hydroxide.
Further, the pressure of the normal temperature rolling composite shaping in the S2 is 0.01-0.05 MPa, and the time is 5-15 min.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a multilayer structure is used, and the anti-solidification release paper is added, so that the flame-retardant heat-insulating effect of the material is better than that of the existing material; not only has stable structure, but also reduces the volume by nearly 33%. The material can greatly reduce dust hazard, reduce environmental pollution of a construction site, improve working efficiency of the construction site, and achieve the effect of construction requirements by using lighter and less space.
Drawings
FIG. 1 is a schematic structural view of a flame retardant insulation aerogel composite.
In the figure: the fire-proof heat insulation paper comprises a 1-fire-proof material layer, a 2-first flame-retardant adhesive layer, a 3-aerogel heat insulation felt layer, a 4-second flame-retardant adhesive layer, a 5-flame-retardant material fiber layer, a 6-flame-retardant adhesive sticker layer and a 7-curing-proof release paper layer.
Detailed Description
The following describes the detailed implementation of the embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with exemplary embodiments.
Example 1
Referring to fig. 1, the multifunctional flame-retardant and heat-insulating aerogel composite material of the present invention has a multi-layer structure, and comprises a fireproof material layer 1, a first flame-retardant adhesive layer 2, an aerogel heat-insulating felt layer 3, a second flame-retardant adhesive layer 4, a flame-retardant material fiber layer 5, a flame-retardant adhesive layer 6 and a curing-preventing release paper layer 7 which are sequentially stacked from top to bottom.
Further, the fireproof material layer 1 is one or a combination of more than one of marine flame-retardant white cloth, glass fiber cloth, aluminum silicate cloth, high silica fiber cloth, aluminum foil fiber cloth or basalt fiber cloth.
Further, the first flame retardant adhesive 2 and the second flame retardant adhesive layer 4 are formed by mixing 5% of artificial seawater, 10 # machine oil, 6% of hydrochloric acid and 5% of sodium hydroxide.
Further, the aerogel heat insulation felt layer 3 is made of aerogel composite materials.
Further, the flame retardant material fiber layer 5 is one of glass fiber cloth or basalt fiber cloth.
Further, the flame retardant adhesive layer 6 is formed by mixing 30% of acrylic resin, 20% of ammonium polyphosphate and 50% of base paper.
The invention also provides a preparation method of the multifunctional flame-retardant heat-insulating aerogel composite material, which comprises the following steps:
s1, coating a first flame-retardant adhesive on one side of a fireproof material layer 1 (formed by sequentially laminating and hot-pressing marine flame-retardant white cloth, glass fiber cloth, aluminum silicate cloth, high-silica fiber cloth, aluminum foil fiber cloth and basalt fiber cloth from top to bottom) to form a first flame-retardant adhesive layer 2, coating a second flame-retardant adhesive on one side of an aerogel heat-insulating felt layer to form a second flame-retardant adhesive layer 4, coating the first flame-retardant adhesive layer with the fireproof material layer 1 on the surface of the aerogel heat-insulating felt layer 3 far away from the second flame-retardant adhesive layer, coating a flame-retardant material fiber layer 5 on the surface of the second flame-retardant adhesive layer, and carrying out composite shaping through a high-temperature rolling method to preliminarily prepare the multifunctional flame-retardant heat-insulating aerogel composite board;
s2, covering the surface of a flame-retardant material fiber layer 5 of the preliminarily formed composite board with flame-retardant self-adhesive layer 6, coating anti-curing release paper 7 on the surface of the flame-retardant self-adhesive layer, and carrying out rolling composite shaping at normal temperature to finally form a multifunctional flame-retardant heat-insulation aerogel composite material finished product;
s3, cutting the composite board formed in the step S2 into different sizes according to actual needs.
Further, the hot pressing temperature in the step S1 is 675 ℃, the pressure is 5.76MPa, and the time is 20min.
Further, the first flame-retardant adhesive and the second flame-retardant adhesive in the step S1 are formed by mixing 3% of artificial seawater, 10 # engine oil, 3% of hydrochloric acid and 7% of sodium hydroxide.
Further, the pressure of the normal-temperature rolling composite shaping in the step S2 is 0.02MPa, and the time is 10min.
Example 2
The difference from example 1 is that: the first flame-retardant adhesive and the second flame-retardant adhesive are formed by mixing 8% of artificial seawater, 10 # engine oil, 8% of hydrochloric acid and 9% of sodium hydroxide.
The hot pressing temperature in the step S1 is 700 ℃, the pressure is 5.76MPa, and the time is 20min.
Example 3
The difference from example 1 is that: the first flame-retardant adhesive and the second flame-retardant adhesive are formed by mixing 5% of artificial seawater, 10 # engine oil, 10% of hydrochloric acid and 9% of sodium hydroxide.
The hot pressing temperature in the step S1 is 710 ℃, the pressure is 5.76MPa, and the time is 30min.
Test case
Example 1, example 2 and example 3 were tested for fire resistance according to the temperature rise profile of GB/T9978.1-2008 and a commercial fire protection panel was selected for comparison with the following results:
| duration of fire resistance (min) | |
| Example 1 | 20 |
| Example 2 | 25 |
| Example 3 | 30 |
| Comparison group | 10 |
Therefore, the material provided by the invention has obviously improved flame retardant property compared with the traditional material.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The multifunctional flame-retardant heat-insulating aerogel composite material is of a multilayer structure and is characterized by comprising a fireproof material layer, a first flame-retardant adhesive layer, an aerogel heat-insulating felt layer, a second flame-retardant adhesive layer, a flame-retardant material fiber layer, a flame-retardant adhesive layer and a curing-preventing release paper layer which are sequentially stacked from top to bottom.
2. The multifunctional flame-retardant and heat-insulating aerogel composite material according to claim 1, wherein the fireproof material layer is one or a combination of a plurality of marine flame-retardant white cloth, glass fiber cloth, aluminum silicate cloth, high silica fiber cloth, aluminum foil fiber cloth or basalt fiber cloth.
3. The multifunctional flame-retardant and heat-insulating aerogel composite material according to claim 1, wherein the first flame-retardant adhesive and the second flame-retardant adhesive layer are formed by mixing 3% -5% of artificial seawater, 10 # engine oil, 3% -10% of hydrochloric acid and 7% -9% of sodium hydroxide.
4. The multifunctional flame retardant and thermal insulation aerogel composite of claim 1, wherein the aerogel insulation blanket is comprised of an aerogel composite.
5. The multifunctional flame retardant and thermal insulation aerogel composite of claim 1, wherein the flame retardant material fiber layer is one of fiberglass cloth or basalt fiber cloth.
6. The multifunctional flame-retardant and heat-insulating aerogel composite material according to claim 1, wherein the flame-retardant adhesive layer is formed by mixing 30% of acrylic resin, 20% of ammonium polyphosphate and 50% of base paper.
7. The preparation method of the multifunctional flame-retardant heat-insulating aerogel composite material is characterized by comprising the following steps of:
s1, coating a first flame-retardant adhesive on one side of a fireproof material layer to form a first flame-retardant adhesive layer, coating a second flame-retardant adhesive on one side of an aerogel heat insulation felt layer to form a second flame-retardant adhesive layer, coating the first flame-retardant adhesive layer with the fireproof material layer on the surface of the aerogel heat insulation felt layer far away from the second flame-retardant adhesive layer, coating a flame-retardant material fiber layer on the surface of the second flame-retardant adhesive layer, and carrying out composite shaping through a high-temperature rolling method to initially prepare the multifunctional flame-retardant heat insulation aerogel composite board;
s2, covering the surface of a flame-retardant material fiber layer of the preliminarily formed composite board with flame-retardant self-adhesive layer to form a flame-retardant self-adhesive layer, coating anti-curing release paper on the surface of the flame-retardant self-adhesive layer, and carrying out rolling composite shaping at normal temperature to finally form a multifunctional flame-retardant heat-insulation aerogel composite material finished product;
s3, cutting the composite board formed in the step S2 into different sizes according to actual needs.
8. The method for preparing the multifunctional flame-retardant and heat-insulating aerogel composite material according to claim 7, wherein the hot pressing temperature in the step S1 is 675-700 ℃, the pressure is 5.76-10 MPa, and the time is 20-30 min.
9. The method for preparing the flame-retardant and heat-insulating aerogel composite material according to claim 7, wherein the first flame-retardant adhesive and the second flame-retardant adhesive in the step S1 are formed by mixing 5% -10% of artificial seawater, 10 # engine oil, 6% -15% of hydrochloric acid and 5% -10% of sodium hydroxide.
10. The method for preparing the flame-retardant and heat-insulating aerogel composite material according to claim 7, wherein the pressure of the normal-temperature rolling composite sizing in the step S2 is 0.01-0.05 MPa, and the time is 5-15 min.
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| CN118306068A (en) * | 2024-04-25 | 2024-07-09 | 保利长大工程有限公司 | Inorganic fiber composite aerogel plate and application thereof |
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| CN118306068A (en) * | 2024-04-25 | 2024-07-09 | 保利长大工程有限公司 | Inorganic fiber composite aerogel plate and application thereof |
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