CN107215035A - A kind of insulation flame-retardant board - Google Patents
A kind of insulation flame-retardant board Download PDFInfo
- Publication number
- CN107215035A CN107215035A CN201710505279.2A CN201710505279A CN107215035A CN 107215035 A CN107215035 A CN 107215035A CN 201710505279 A CN201710505279 A CN 201710505279A CN 107215035 A CN107215035 A CN 107215035A
- Authority
- CN
- China
- Prior art keywords
- insulation
- retardant
- heat
- flame
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 111
- 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 76
- 238000009413 insulation Methods 0.000 title claims abstract description 69
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 21
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 21
- 229920001187 thermosetting polymer Polymers 0.000 claims description 14
- 239000004634 thermosetting polymer Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- -1 polyethylene terephthalate Polymers 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
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- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
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- 150000003839 salts Chemical class 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 claims description 2
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- LBIUOESTBBGQJG-UHFFFAOYSA-N 7,9-dihydro-3H-purine-2,6,8-trione oxalonitrile 1,3,5-triazine-2,4,6-triamine Chemical compound N1=C(N)N=C(N)N=C1N.N1C(=O)NC=2NC(=O)NC2C1=O.N#CC#N LBIUOESTBBGQJG-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
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- 150000002367 halogens Chemical class 0.000 description 1
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- YACKEPLHDIMKIO-UHFFFAOYSA-N methylphosphonic acid Chemical compound CP(O)(O)=O YACKEPLHDIMKIO-UHFFFAOYSA-N 0.000 description 1
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- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
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- 235000019355 sepiolite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- 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
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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
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- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
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- E04B1/80—Heat insulating elements slab-shaped
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- E04B1/92—Protection against other undesired influences or dangers
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- 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
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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
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Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Acoustics & Sound (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of insulation flame-retardant board, including heat-insulation layer, and set gradually from the inside to surface in the heat-insulation layer upper and lower surface flame-retardant layer, high-temperature-resistant layer, with heat reflection act on flexible support layers.The present invention is using aeroge as heat insulation core material; with flame-retardant layer covering and heat insulating core; on the basis of the original insulation of heat insulation core material and mechanical performance is not damaged; substantially increase fire retardancy; aeroge heat-insulation layer is effectively protected, and heat-reflecting layer is coated with outermost layer, radiation efficiency is substantially increased; so as to be scattered and disappeared from heat radiation, heat transfer, three kinds of approach trap heats of thermal convection current, with excellent heat-proof quality.
Description
Technical field
The present invention relates to heat-insulating fireproof material preparation field, more particularly to a kind of insulation flame-retardant board.
Background technology
In recent years, global energy crisis makes society propose new active demand to heat-insulating heat-preserving material.In high temperature insulating
Field, the field such as industry, building, traffic, fire-fighting, active demand is it is also proposed to high temperature resistant heat insulation material.Aeroge is used as one
Plant high-performance insulation material to arise at the historic moment, this is that a kind of temperature that meets uses flexibility or rigidity of the scope at -200 DEG C~400 DEG C
High-performance heat-insulating heat-preserving material.The size of the material mesopore can effectively suppress cross-ventilation heat transfer and solid in nanometer scale
Phase heat transfer, its thermal conductivity is even also lower than air, with splendid heat-insulating property, aerospace craft thermal protection system,
The field such as military thermal cell and heating power, chemical industry, metallurgy, fire-fighting all has broad application prospects.But its material typically has
Following shortcoming：1st, blocking radiant heat inefficient 2, poor fire, easily cause fire, cause application field few.And it is current, mainly
Flame retardant effect is reached by increasing fire retardant in insulation material, but with the addition of fire retardant, aeroge insulation material
Mechanical strength can be reduced gradually, while its thermal conductivity factor can gradually increase, its heat-insulating property can be reduced gradually.
CN101469804A discloses a kind of novel vacuum insulation plate and preparation method, and the patent uses temperature-resistance thermal-insulation undulation degree
Material encapsulates silica aerogel powder as core, and in core, and outer packing is using being combined that aluminium foil and plastic film layers are suppressed
Material.But the invention poor fire, easily causes fire, and aluminium foil heat transfer is preferably, and heat transfer is very fast, causes effect of heat insulation to reduce.
CN106244172A discloses a kind of preparation of the fire-retardant aerosil of Halogen synergistic, and the patent is by fire retardant
Mixed with aeroge.Fire retardant is mixed into aeroge by the invention, and influence can be produced on aeroge performance itself and is lacked
Heat-reflecting layer, it is impossible to from the loss of heat radiation approach trap heat.
The content of the invention
In view of the above-mentioned problems, not influenceing it is an object of the invention to provide a kind of fire-retardant, high reflectivity and the new of insulation
Aerogel heat-proof flame-retardant board.
On the one hand, the invention provides a kind of insulation flame-retardant board, including heat-insulation layer, and above and below the heat-insulation layer
Flame-retardant layer that surface is set gradually from the inside to surface, high-temperature-resistant layer, the flexible support layers acted on heat reflection.
It is preferred that the flame-retardant layer is the thermosetting polymer containing fire retardant；
In terms of parts by weight, the flame-retardant layer includes：80~120 parts of thermosetting polymer, 10~80 parts of curing agent, 10~30
Part fire retardant, 5~20 portions of synergist.
The present invention scatters and disappears from heat radiation, heat transfer, three kinds of approach trap heats of thermal convection current, with excellent heat-proof quality,
And on the basis of the original insulation of heat insulation core material and mechanical performance is not damaged, increase one layer of flame-retardant layer.The flame-retardant layer be containing
The thermosetting polymer of fire retardant, even to be coated on heat insulation core material, curing rate is fast.Because flame-retardant layer also causes it containing fire retardant
With stronger anti-flammability, the fire retardancy of insulation flame-retardant board can also be substantially increased, aeroge is effectively protected
Heat-insulation layer.
It is preferred that the thermosetting polymer is at least one of epoxy resin, phenolic resin and unsaturated polyester (UP),；
The fire retardant is at least one of chemical fire retardant, packing type fire retardant and expansion type flame retardant, preferably APP,
Dimethyl methyl phosphonate and at least one of melamine and its salt.
It is preferred that the curing agent be diethylenetriamine, trimethylhexamethylenediamine and Versamid in extremely
Few one kind, the synergist is at least one of aluminium hydroxide, pentaerythrite.
It is preferred that the thickness of the flame-retardant layer is 0.1~2cm, preferably 0.5~2cm.
Also, it is preferred that the material of the heat-insulation layer includes glass fibre and/or aeroge, the thickness of the heat-insulation layer is
0.5~2cm.
It is preferred that the high-temperature-resistant layer is the high-temperature resistant membrane bag being made up of polyimides PI, thickness is 200~800 μm.
It is preferred that the flexible support layers are the polyethylene terephthalate film that at least outer surface is coated with metallic film,
The metallic film is one kind in silver, aluminium, nickel and copper.
Also, it is preferred that the thickness of the polyethylene terephthalate film is 12~200 μm, the thickness of the metallic film
Spend for 10~300nm.
It is preferred that the insulation flame-retardant board also includes the periphery positioned at the heat-insulation layer and for separating two sheets of flexible
The edge cold-prevention bridge structure of supporting layer.
Advantages of the present invention：High heat-reflecting layer blocking radiant heat, 0.01~0.05W/ of heat-insulation layer aeroge thermal conductivity factor
(mK) heat transfer, is obstructed, both substantially increase heat-insulation and heat-preservation ability at collaboration.High-temperature-resistant layer Kapton bag is resistance to simultaneously
High temperature is up to 400 DEG C, and 0.1~0.35W/mK of thermal conductivity factor, the ethoxyline resin antiflaming for adding fire retardant is good, and thermal conductivity factor is low,
Curing rate is fast, effectively protects heat-insulation layer.The present invention is simple in construction, it is easy to manufacture, and is easy to use, with low cost, can be extensive
Apply to incubator, the exterior wall of building, interior decoration, transportation and communication, ship etc..The present invention is using aeroge as insulation
Core, with flame-retardant layer covering and heat insulating core, on the basis of the original insulation of heat insulation core material and mechanical performance is not damaged, is carried significantly
High fire retardancy, is effectively protected aeroge heat-insulation layer, and is coated with heat-reflecting layer in outermost layer, substantially increases heat
Radiation efficiency, so as to be scattered and disappeared from heat radiation, heat transfer, three kinds of approach trap heats of thermal convection current, with excellent heat-proof quality.
Brief description of the drawings
Fig. 1 is the fire-retardant plate structure schematic diagram of insulation；
Fig. 2 inserts insulation flame-retardant board the incubator formed in six folder surface layers of double-deck polypropylene plastic box；
Fig. 3 is the temperature profile of the low-temperature receiver thermal and insulating performance test of incubator prepared by 1-3 of the embodiment of the present invention；
The temperature profile of the thermal source thermal and insulating performance test of incubator prepared by Fig. 4 embodiment of the present invention 1-3.
Embodiment
The present invention is further illustrated below by way of following embodiments, it should be appreciated that following embodiments are merely to illustrate this
Invention, is not intended to limit the present invention.
Heretofore described insulation flame-retardant board, including heat reflection supporting layer (have the flexible support that heat reflection is acted on
Layer), high-temperature-resistant layer, flame-retardant layer and heat-insulation layer.Its structure can as described in Figure 1, and middle is heat-insulation layer 1, and flame-retardant layer 2 is even to be coated in guarantor
1 on warm layer, the overall covering flame-retardant layer 2 of high-temperature-resistant layer 3, outermost layer is heat reflection supporting layer 4.The flame-retardant layer 2 is addition fire retardant
Thermosetting polymer solidification form.Heat-insulation layer 1 is vacuumized, and carries out briquetting processing.Heat reflection supporting layer 4 can be one layer,
It can be multilayer.In addition, the insulation flame-retardant board also includes the periphery positioned at the heat-insulation layer and soft for separating two layers
The edge cold-prevention bridge structure of property supporting layer.The material of the edge cold-prevention bridge structure is clay class mineral, thickness can for 5~
30mm.The clay class mineral can be at least one of sepiolite, kaolin, diatomite and concave convex rod.
The heat reflection supporting layer can be at least to be coated with aluminium, silver, copper, nickel on PET (PET) film, film
Or and its alloy etc..The thickness of PET (PET) film is about 12-200 μm.The aluminium, silver, copper, nickel
Or and its alloy be attached on PET (PET) film, thickness is 10-300nm.The heat reflection of heat-reflecting layer
Rate >=80%.
Described flame-retardant layer can be the thermosetting polymer of addition fire retardant.The fire retardant added be chemical fire retardant,
At least one of packing type fire retardant and expansion type flame retardant, it is preferable that fire retardant can select APP, methylphosphonic acid two
Methyl esters and at least one of melamine and its salt.The thermosetting polymer includes but is not limited to epoxy resin, phenolic aldehyde tree
Fat, unsaturated polyester (UP).0.1~2cm of the flame-retardant layer thickness.
Described heat-insulation layer can be the aeroge of briquet.The specific surface area 100-1600m of aeroge2/ g, porosity
80%~99.8%, 0.01~0.05W/ of thermal conductivity (mK).Optional aeroge includes but is not limited to SiO2Aeroge, ZrO2
Gel, Al2O3Aeroge, charcoal-aero gel.
Described high-temperature-resistant layer can be the high-temperature resistant membrane bag being made up of PI (polyimides), and thickness is 200~800 μm,
High temperature resistant is up to 400 DEG C.
Illustrate to following exemplary the preparation method for the insulation flame-retardant board that the present invention is provided.
Vacuumize process, and briquet are carried out to heat-insulation layer.Specifically, by insulation layer material (for example, aeroge
Deng) vacuumize process is carried out, sealing is pressed into plate, 0.5~2cm of thickness.The pressure of the compacting is 5~80MPa.It is described to protect
Warm layer material is preferably aeroge, its specific surface area 100-1600m2/ g, porosity 80%~99.8%, thermal conductivity 0.01~
0.05W/(m·K).Optional aeroge includes but is not limited to SiO2Aeroge, ZrO2Gel, Al2O3Aeroge, charcoal-aero gel.
The thermosetting polymer of added fire retardant is uniformly coated on heat-insulation layer, after solidification, forms flame-retardant layer.Specifically
For, the thermosetting polymer for adding fire retardant is evenly coated in the aeroge surface that finishes of shaping, it is to be solidified after, aeroge
Surface forms one layer of flame-retardant layer.Flame-retardant layer 0.1~2cm of thickness, preferably 0.5~2cm.The wherein preparation method of flame-retardant layer：80~
120 parts of thermosetting polymer, 10~80 parts of curing agent, 10~30 parts of fire retardants, 5~20 portions of synergist, mixing speed 300~
1500r/min, 1~5h of mixing time, 30~120 DEG C of solidification temperature.The addition of fire retardant is very few, and fire resistance can not reach
Respective standard；The addition of fire retardant is excessive, can influence the original mechanical performance of thermosetting polymer, and adding with fire retardant
Dosage increases, and the lifting of fire resistance tends towards stability, or even deteriorates, and unnecessary cost burden is brought to industrial production.
So the addition of fire retardant should science, appropriateness, and for different flame-retardant systems, addition is also otherwise varied.The present invention
Chemically expansible system and organic and inorganic synergistic flame-retardant system are used, fire retardant addition is respectively 10%~30%, 20%
~30%.
The high-temperature resistant membrane bag being made up of PI (polyimides), thickness is 200~800 μm, and sample is put into bag, is carried out
Vacuumize process, vacuum≤0.3MPa.
By aluminium, silver, copper, nickel or and its Alloy Plating on PET (PET) film, thickness is 10-
300nm, 12-200 μm of PET film thickness, reflectivity >=80%.
Reflectivity PET (PET) film is bonded in the high-temperature resistant membrane being made up of PI (polyimides)
On bag, overall covering.
Embodiment is enumerated further below to describe the present invention in detail.It will similarly be understood that following examples are served only for this
Invention is further described, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art is according to this hair
Some nonessential modifications and adaptations that bright the above is made belong to protection scope of the present invention.Following examples are specific
Technological parameter etc. is also only that an example in OK range, i.e. those skilled in the art can be done properly by this paper explanation
In the range of select, and do not really want to be defined in the concrete numerical value of hereafter example.
Embodiment 1
Flame-retardant layer component proportion：100 parts of epoxy resin, 10 parts of diethylenetriamines, 20 parts of pentaerythrites, 20 parts of melamine cyanogen
Uric acid, mixing speed 400r/min, mixing time 2h, 100 DEG C of solidification temperature, hardening time 30min；
12.7mm × 12.7 × 3mm is made in flame-retardant layer sample, UL94V-0 grades are obtained through fire proofing standard UL94-1985；
Flame-retardant layer sample is made for 100mm × 6.5mm × 3mm, carried out according to ASTM D2863 steps, (limit oxygen refers to LOI
Number) it is 29.7%, as shown in table 1.
Heat reflection aeroge insulation flame-retardant board preparation method：
(1) by SiO2Aeroge carries out vacuumize process, and sealing is pressed into plate, thickness 1.2cm.The pressure of the compacting is
20MPa.Wherein described SiO2Aeroge specific surface area 1200m2/ g, porosity 95%, thermal conductivity 0.01W/ (mK)；
(2) epoxy resin for adding pentaerythrite and melamine cyanurate is evenly coated in the SiO that shaping is finished2Aeroge table
Face, it is to be solidified after, aeroge surface formed one layer of flame-retardant layer, flame-retardant layer thickness 0.5cm；
(3) the high-temperature resistant membrane bag being made up of PI (polyimides), film thickness is 300 μm, and high temperature resistant is up to 400 DEG C；Carry out
Vacuumize process, vacuum is 0.2MPa；
(4) by the PET aluminized (PET) film be bonded in high-temperature resistant membrane bag surface, aluminium film thickness 100nm,
100 μm of PET film thickness, reflectivity 97%.
Further, it is the thermal and insulating performance directly perceived for embodying the present invention, the insulation flame-retardant board prepared is inserted interior
In six face interlayers of the wall for 37.8cm*28.8cm*32.8cm double-deck polypropylene plastic box, as shown in Figure 2.By 6kg system
Cryogen is put into, loading about 1/3, it is ensured that container is sealed, and ambient temperature is 23 degrees Celsius, and test refrigerant temperature is with the time
Change, performance curve is as shown in Figure 3；6kg thermals source are put into by same method of testing, same test condition, and loading is about
1/3, test heat source temperature changes with time.Performance curve is as shown in Figure 4.
Embodiment 2
Flame-retardant layer component proportion：100 parts of epoxy resin, 20 parts of trimethylhexamethylenediamines, 20 parts of methyl-phosphoric acid dimethyl ester,
10 parts of aluminium hydroxides, mixing speed 500r/min, mixing time 2h, 80 DEG C of solidification temperature, hardening time 1h；
12.7mm × 12.7 × 3mm is made in flame-retardant layer sample, UL94V-0 grades are obtained through fire proofing standard UL94-1985；
Flame-retardant layer sample is made for 100mm × 6.5mm × 3mm, carried out according to ASTM D2863 steps, (limit oxygen refers to LOI
Number) it is 28.9%, as shown in table 1.
Heat reflection aeroge insulation flame-retardant board preparation method：
(1) by ZrO2Aeroge carries out vacuumize process, and sealing is pressed into plate, thickness 1cm.The pressure of the compacting is
30MPa.Wherein described SiO2Aeroge specific surface area 900m2/ g, porosity 96%, thermal conductivity 0.013W/ (mK)；
(2) epoxy resin for adding methyl-phosphoric acid dimethyl ester and aluminium hydroxide is evenly coated in the ZrO that shaping is finished2Aeroge table
Face, it is to be solidified after, aeroge surface formed one layer of flame-retardant layer；Flame-retardant layer thickness 0.6cm；
(3) the high-temperature resistant membrane bag being made up of PI (polyimides), film thickness is 400 μm, and high temperature resistant is up to 400 DEG C.Carry out
Vacuumize process, vacuum≤0.1MPa；
(4) PET aluminized (PET) film is bonded in high-temperature resistant membrane bag surface.Aluminium film thickness 90nm,
110 μm of PET film thickness, reflectivity 98%.
Further, it is the thermal and insulating performance directly perceived for embodying the present invention, the insulation flame-retardant board prepared is inserted interior
In six face interlayers of the wall for 37.8cm*28.8cm*32.8cm double-deck polypropylene plastic box, as shown in Figure 2.By 6kg system
Cryogen is put into, loading about 1/3, it is ensured that container is sealed, and ambient temperature is 23 degrees Celsius, and test refrigerant temperature is with the time
Change, performance curve is as shown in Figure 3；6kg thermals source are put into by same method of testing, same test condition, and loading is about
1/3, test heat source temperature changes with time.Performance curve is as shown in Figure 4.
Embodiment 3
Flame-retardant layer component proportion：100 parts of epoxy resin, 80 parts of Versamids, 30 parts of APPs, 10 parts of Ji Wusi
Alcohol, mixing speed 600r/min, mixing time 3h, 70 DEG C of solidification temperature, hardening time 2h.；
12.7mm × 12.7 × 3mm is made in flame-retardant layer sample, UL94V-0 grades are obtained through fire proofing standard UL94-1985；
Flame-retardant layer sample is made for 100mm × 6.5mm × 3mm, carried out according to ASTM D2863 steps, (limit oxygen refers to LOI
Number) it is 29.3%, as shown in table 1.
Heat reflection aeroge insulation flame-retardant board preparation method：
(1) by Al2O3Aeroge carries out vacuumize process, and sealing is pressed into plate, thickness 1.5cm.The pressure of the compacting is
25MPa.Wherein described Al2O3Aeroge specific surface area 450m2/ g, porosity 98%, thermal conductivity 0.029W/ (mK)；
(2) epoxy resin for adding APP and pentaerythrite is evenly coated in the Al that shaping is finished2O3Aeroge surface, is treated
After solidification, aeroge surface forms one layer of flame-retardant layer.Flame-retardant layer thickness 0.5cm；
(3) the high-temperature resistant membrane bag being made up of PI (polyimides), film thickness is 500 μm, and high temperature resistant is up to 400 DEG C.Carry out
Vacuumize process, vacuum is 0.3MPa；
(4) PET aluminized (PET) film is bonded in high-temperature-resistant layer surface.Aluminium film thickness 150nm, PET
120 μm of film thickness, reflectivity 97%.
Further, it is the thermal and insulating performance directly perceived for embodying the present invention, the insulation flame-retardant board prepared is inserted interior
In six face interlayers of the wall for 37.8cm*28.8cm*32.8cm double-deck polypropylene plastic box, as shown in Figure 2.By 6kg system
Cryogen is put into, loading about 1/3, it is ensured that container is sealed, and ambient temperature is 23 degrees Celsius, and test refrigerant temperature is with the time
Change, performance curve is as shown in Figure 3；6kg thermals source are put into by same method of testing, same test condition, and loading is about
1/3, test heat source temperature changes with time.Performance curve is as shown in Figure 4.
Table 1 is the flame-retardant layer performance test of insulation flame-retardant board prepared by 1-3 of the embodiment of the present invention
| Bright combustion time t for the first time1 | Second of bright combustion time t2 | UL94 rankings | Limited oxygen index LOI | |
| Example 1 | 0.9s | 1.1s | V0 | 29.7% |
| Example 2 | 2s | 2.8s | V0 | 28.9% |
| Example 3 | 1.4s | 1.9s | V0 | 29.3% |
.Wherein, 12.7mm × 12.7 × 12.7mm is made in flame-retardant layer sample prepared by embodiment 1-3, through fire proofing standard
UL94-1985 obtains UL94V rankings.By the embodiment 1-3 flame-retardant layer samples prepared be made for 100mm × 6.5mm ×
3mm, carries out according to ASTM D2863 steps, obtains LOI (limited oxygen index).
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (10)
1. a kind of insulation flame-retardant board, it is characterised in that including heat-insulation layer, and the heat-insulation layer upper and lower surface from it is inner to
The flame-retardant layer that sets gradually outside, high-temperature-resistant layer, the flexible support layers acted on heat reflection.
2. insulation flame-retardant board according to claim 1, the flame-retardant layer is the thermosetting polymer containing fire retardant；
In terms of parts by weight, the flame-retardant layer includes：80~120 parts of thermosetting polymer, 10~80 parts of curing agent, 10~30
Part fire retardant, 5~20 portions of synergist.
3. insulation flame-retardant board according to claim 2, it is characterised in that the thermosetting polymer is asphalt mixtures modified by epoxy resin
At least one of fat, phenolic resin, unsaturated polyester (UP)；The fire retardant is chemical fire retardant, packing type fire retardant and expansion
At least one at least one of type fire retardant, preferably APP, dimethyl methyl phosphonate and melamine and its salt
Kind.
4. the insulation flame-retardant board according to Claims 2 or 3, it is characterised in that the curing agent be diethylenetriamine,
At least one of trimethylhexamethylenediamine and Versamid, the synergist is in aluminium hydroxide, pentaerythrite
At least one.
5. the insulation flame-retardant board according to any one of claim 1-4, it is characterised in that the thickness of the flame-retardant layer
For 0.1~2cm, preferably 0.5~2cm.
6. the insulation flame-retardant board according to any one of claim 1-5, it is characterised in that the material of the heat-insulation layer
Including glass fibre and/or aeroge, the thickness of the heat-insulation layer is 0.5~2cm.
7. the insulation flame-retardant board according to any one of claim 1-6, it is characterised in that the high-temperature-resistant layer is served as reasons
The high-temperature resistant membrane bag that polyimides PI is made, thickness is 200~800 μm.
8. the insulation flame-retardant board according to any one of claim 1-7, it is characterised in that the flexible support layers are
At least outer surface is coated with the polyethylene terephthalate film of metallic film, the metallic film for it is described be at least coated with silver, aluminium,
One kind in nickel and copper.
9. insulation flame-retardant board according to claim 8, it is characterised in that the polyethylene terephthalate film
Thickness is 12~200 μm, and the thickness of the metallic film is 10~300nm.
10. the insulation flame-retardant board according to any one of claim 1-9, it is characterised in that the thermal insulation separation thermal resistance
Combustion plate also includes the periphery positioned at the heat-insulation layer and the edge cold-prevention bridge structure for separating two sheets of flexible supporting layer.
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| CN110861720A (en) * | 2019-11-22 | 2020-03-06 | 中国兵器工业第五九研究所 | Special box with high-efficient fire prevention heat-insulation heat preservation sealing function |
| CN110861720B (en) * | 2019-11-22 | 2021-10-01 | 中国兵器工业第五九研究所 | Special box with high-efficient fire prevention heat-insulation heat preservation sealing function |
| CN113802705A (en) * | 2021-10-28 | 2021-12-17 | 安徽神舟建材集团有限公司 | Anti-fracture energy-saving wall thermal insulation material with flame retardance and smoke suppression |
| CN114215206A (en) * | 2021-12-27 | 2022-03-22 | 苏州正乙丙纳米环保科技有限公司 | Flame-retardant heat-insulation nano plate and preparation process thereof |
| CN114231070A (en) * | 2021-12-30 | 2022-03-25 | 苏州正乙丙纳米环保科技有限公司 | Flame-retardant heat-preservation nano thick paste coating and coating method thereof |
| CN114643762A (en) * | 2022-03-09 | 2022-06-21 | 苏州中纺学面料产业研究院 | Preparation method of flame-retardant heat-insulation fabric |
| CN114643762B (en) * | 2022-03-09 | 2024-03-08 | 苏州中纺学面料产业研究院 | Preparation method of flame-retardant heat-insulating fabric |
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