CN105649226A - Pre-oxidation fiber silicon-aluminum aerogel composite sandwich thermal-insulation fire-proof plate - Google Patents
Pre-oxidation fiber silicon-aluminum aerogel composite sandwich thermal-insulation fire-proof plate Download PDFInfo
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- CN105649226A CN105649226A CN201610066270.1A CN201610066270A CN105649226A CN 105649226 A CN105649226 A CN 105649226A CN 201610066270 A CN201610066270 A CN 201610066270A CN 105649226 A CN105649226 A CN 105649226A
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- oxidized fibers
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- insulated fire
- aluminium aerogel
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- 239000000835 fiber Substances 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 239000004964 aerogel Substances 0.000 title claims abstract description 39
- 238000009413 insulation Methods 0.000 title abstract description 16
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 title abstract 3
- 238000007254 oxidation reaction Methods 0.000 title abstract 3
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 239000011229 interlayer Substances 0.000 claims abstract description 4
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 claims description 31
- 239000000378 calcium silicate Substances 0.000 claims description 18
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 18
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 9
- OLZDXDPSDUSGIS-UHFFFAOYSA-N sulfinylmagnesium Chemical compound [Mg].S=O OLZDXDPSDUSGIS-UHFFFAOYSA-N 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000012744 reinforcing agent Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- CENHPXAQKISCGD-UHFFFAOYSA-N trioxathietane 4,4-dioxide Chemical compound O=S1(=O)OOO1 CENHPXAQKISCGD-UHFFFAOYSA-N 0.000 abstract 1
- 235000012241 calcium silicate Nutrition 0.000 description 15
- 239000000499 gel Substances 0.000 description 8
- 239000012774 insulation material Substances 0.000 description 8
- 239000011490 mineral wool Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- 239000003733 fiber-reinforced composite Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 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 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000352 supercritical drying Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004965 Silica aerogel Substances 0.000 description 1
- 208000036142 Viral infection Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004795 extruded polystyrene foam Substances 0.000 description 1
- 235000021197 fiber intake Nutrition 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- 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
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a pre-oxidation fiber silicon-aluminum aerogel composite sandwich thermal-insulation fire-proof plate. The composite sandwich thermal-insulation fire-proof plate is composed of an upper surface layer, a lower surface layer and a pre-oxidation fiber reinforced silicon-aluminum aerogel interlayer. According to the aerogel composite sandwich thermal-insulation fire-proof plate, requirements of integrated house installation are met, cutting can be conducted freely, construction is convenient, and application is convenient; the fireproof advantages of aerogel and a magnesium oxysulfate construction plate are combined, the double effects of fire prevention and thermal insulation are achieved, and compared with the prior art, the thermal conduction coefficient of a prepared product is increased by about three times.
Description
Technical field
The present invention relates to a kind of insulated fire plate, be specifically related to a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate.
Background technology
Aeroge is the material that in solid matter, heat conductivity is minimum, is only slightly higher than vacuum, is approximately 0.013W/m K. Aeroge also has extremely low density, is the minimum solid of the density generally acknowledged in the world, and least density can accomplish 3kg/m3, more slightly higher than the density of air. Therefore aeroge is the insulation material that heat insulation effect is best in the world, density is minimum.
The bulk composition of silica aerogel is silicon dioxide, has the performance of fabulous high temperature resistant and low temperature, and refractory temperature can up to more than 1000 degree. Therefore aeroge is compared with traditional organic insulation material (polyurethane, XPS, EPS warming plate etc.) and inorganic heat insulation material (thermal insulation mortar, rock wool etc.), it is characterized by that heat conductivity is low, density is little, refractory temperature is high significantly, has possessed the advantage of organic insulation material and inorganic heat insulation material.
The way major part of current clip central layer is panel and core Binder Materials is bonded as one, panel major part adopts calcium silicate board or color steel etc., core adopts the insulation materials such as EPS, XPS, polyurethane, rock wool, and binding material adopts the organic material such as polyurethane, glass cement.
The shortcoming of conventional vacuum battenboard:
1. core adopts the organic insulation material such as EPS, XPS, polyurethane, and degree of protection is low, it is desirable to refractory temperature at about 180 DEG C, and easily release virose material after catching fire, VOC exit dose is too high;
2. rock wool heat-preservation fire-protection rating is higher, it is possible to reach the fire prevention of A level, but rock wool water absorption rate is high, it is easy to lose heat insulation effect, and rock wool easily comes off after water suction, causes security incident, brings potential safety hazard for resident family and pedestrian;
3. panel adopts color steel or calcium silicate board, and when catching fire, heat transfer is fast, it is easy to cause the burning of internal insulation material.
China Patent No. CN204826264U discloses a kind of aeroge composite sandwich fire preventing and heat insulating board, although this composite board fireproof heat insulating performance of gained increases, but the fire prevention of its sandwich of layers and heat-insulating property are still restricted.
Summary of the invention
In order to improve fire prevention and the heat-insulating property of composite plate, the present invention proposes a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, obtains insulation and the Sandwich type combined board of flameproof effect excellence.
In order to achieve the above object, the invention provides employing following technical proposals:
A kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, the silicon-aluminium aerogel intermediate layer that composite sandwich insulated fire plate is strengthened by upper and lower surface layer and pre-oxidized fibers forms.
A kind of first preferred version of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, the heat conductivity in intermediate layer is 0.017��0.2W/m K; Density 80��180kg/m3; Water absorption rate is less than 3%; Fire rating belongs to the fire prevention of A level.
Second preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, intermediate layer thickness is 10��20mm, and surface thickness is 4��12mm.
3rd preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, upper and lower surface layer respectively magnesium oxysulfide structure plate and calcium silicate board; Or two sides is used that calcium silicate board substitutes; Or wherein one side is magnesium oxysulfide plate or calcium silicate board, and additionally one side does not process.
4th preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, levels and middle interlayer polyurethane, organic adhesive mortar or glass cement carry out roller and put down bonding.
5th preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, the fire rating of composite sandwich insulated fire plate is A level, and overall refractory temperature is higher than 650 DEG C.
A kind of 6th preferred version of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, the preparation method of the silicon-aluminium aerogel that pre-oxidized fibers strengthens is as follows:
(1) preparation of sial complex sol: by Ludox and Alumina gel mix homogeneously, prepares sial complex sol;
(2) impregnation: make sial complex sol immerse in pre-oxidized fibers by impregnation technology, obtain the mixture of sial complex sol and pre-oxidized fibers;
(3) gel: be placed in the environment of 60 to 80 DEG C by step (2) gained mixture, makes the sial complex sol generation gel of mixture, obtains the silicon-aluminium aerogel that pre-oxidized fibers strengthens.
7th preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, in sial complex sol, the mass content of Ludox is 60��70%.
8th preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, the compound pre-oxidized fibers that pre-oxidized fibers is made up of glass fibre and polypropylene fibre, the mass content of described glass fibre is 50��70%.
9th preferred version of a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, the diameter of glass fibre is 5��10um, and the diameter of described polypropylene fibre is 10��15um.
Compared with immediate prior art, technical scheme provided by the invention has following excellent effect:
1. the present invention meets the demand that integrated house is installed, and can arbitrarily cut, convenient construction, and application is convenient;
2. present invention incorporates the fire prevention advantage of composite aerogel and calcium silicate board or magnesium oxysulfide plate, possess the fire prevention of excellence and the double effects of insulation;
3. the present invention can make the composite aerogel that non-pressure process produces apply on a large scale and external wall outer insulation, brings huge economic benefit.
Detailed description of the invention
It is described in further detail below in conjunction with specific embodiment, technical scheme is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
One, the preparation of pre-oxidized fibers
By raw material mix homogeneously, feed components mass fraction is as follows: low melting point polyester fiber 10 parts, pre-oxidized polyacrylonitrile fiber 90 parts, and the fusing point of low melting point polyester fiber is 160��180 DEG C; Spraying liquid antistatic in composite fibre, spray the composite fibre after liquid antistatic and bank up at normal temperatures 20��24 hours, liquid antistatic each constituent mass number is as follows: non-ionic antistatic agent 4 parts, 4 parts of weak cation antistatic additive, 92 parts of water; Being then passed through combing, become net, acupuncture prepares pre-oxidized fibers finished product.
Two, the preparation of fiber-reinforced composite aeroge
(1) preparation of Silica hydrogel: silester, ethanol, ammonia and deionized water are configured to Ludox;
(2) preparation of Alumina gel: aluminum isopropylate., acetylacetone,2,4-pentanedione, ammonia and isopropanol and deionized water are configured to Alumina gel;
(3) preparation of sial composite solution: by described Ludox and described Alumina gel mix homogeneously, prepares sial complex sol;
(4) impregnation: make described sial complex sol immerse in pre-oxidized fibers by Infiltration Technics, obtain the mixture of sial complex sol and pre-oxidized fibers;
(5) gel: be placed in the environment of 60��80 DEG C by the described mixture obtained in step (4), makes the described complex sol generation gel in described mixture, obtains sial pluralgel;
(6) aging: by add aging ethanol carry out 24 hours hours aging to 48;
(7) supercritical drying, carries out supercritical drying process by the sial pluralgel through overaging, obtains described silicon-aluminium aerogel composite material.
Three, the preparation of calcium silicate board and magnesium oxysulfide plate
Calcium silicate board: be uniformly mixed prepared by calcium silicate micro power, fortifying fibre and water, wherein the mass percent of calcium silicate micro power is 5��40%, and fortifying fibre is 5��25%, and all the other are water. Calcium silicate micro power is one or more that flyash, gangue, kaolinite or kaolin extract in the calcium silicates of aluminum and coproducing; Fortifying fibre is one or more in inorganic mineral fiber, cellulose fibre or synthesis macromolecular fibre, and fiber consumption is the 5-25% of calcium silicate micro power quality.
Magnesium oxysulfide plate: magnesium oxide powder mixes by the stirring of 1:1.2��1.5 in mass ratio with anhydrous magnesium sulfate, adds the reinforcing agent of its gross weight 1%, is sufficiently stirred for after the water reducer of 0.5��1%, extruding maintenance prepares.
Four, the preparation of composite heat insulation fireproof plate
In the middle of upper and lower surface layer and fiber-reinforced composite aeroge, interlayer polyurethane, organic adhesive mortar or glass cement carry out roller and put down bonding, namely obtain composite heat insulation fireproof plate.
The performance test of the raw material of table 1-3 respectively fiber-reinforced composite aeroge and ratio, the raw material of calcium silicate board and magnesium oxysulfide plate and ratio thereof and prepared composite heat insulation fireproof plate.
The raw material of table 1 fiber-reinforced composite aeroge and ratio thereof
The raw material of table 2 calcium silicate board and magnesium oxysulfide plate and ratio thereof
By the product of above-mentioned preparation, 1# and 1* prepares composite heat insulation fireproof plate 1, corresponding prepared 2 and No. 3; The insulated fire plate prepared without the two sides of sandwich of layers is comparative example, and above-mentioned each product is carried out Determination of conductive coefficients, and test result is as described in Table 3:
The performance parameter that table 3 each embodiment product is corresponding
As seen from the table, the composite aerogel that pre-oxidized fibers strengthens can effectively reduce the heat conductivity of composite heat insulation fireproof plate, and then plays good insulated fire function.
Above example is only limited in order to technical scheme to be described; those of ordinary skill in the field are to be understood that; the specific embodiment of the present invention can being modified with reference to above-described embodiment or equivalent replacement, these are all being applied within the claims awaited the reply without departing from any amendment or equivalent replacement of spirit and scope of the invention.
Claims (10)
1. a pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate, it is characterised in that the silicon-aluminium aerogel intermediate layer that described composite sandwich insulated fire plate is strengthened by upper and lower surface layer and pre-oxidized fibers forms.
2. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 1, it is characterised in that the heat conductivity in described intermediate layer is 0.017��0.2W/m K; Density 80��180kg/m3; Water absorption rate is less than 3%; For A level fire prevention level.
3. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 1, it is characterised in that described intermediate layer thickness is 10��20mm, and described surface thickness is 4��12mm.
4. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 1, it is characterised in that described upper and lower surface layer respectively magnesium oxysulfide plate and calcium silicate board or two surface layers are used that calcium silicate board.
5. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 4, it is characterized in that, described calcium silicate board is mixed prepared by the water of 5��40% calcium silicate micro powers by mass percentage and 5��25% fortifying fibre surpluses.
6. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 4, it is characterized in that, described magnesium oxysulfide plate is mixed by the amount ratio of 1:1.2��1.5 with anhydrous magnesium sulfate by magnesium oxide powder, it is separately added into reinforcing agent and water reducer in the ratio of gross weight 1% and 0.5��1%, prepares after extruding maintenance.
7. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 1, it is characterised in that described levels and middle interlayer polyurethane, organic adhesive mortar or glass cement carry out roller and put down bonding.
8. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 1, it is characterised in that described composite sandwich insulated fire plate is A level PLASTIC LAMINATED, and overall refractory temperature is higher than 650 DEG C.
9. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 1, it is characterised in that the preparation method of the silicon-aluminium aerogel that described pre-oxidized fibers strengthens is as follows:
(1) preparation of sial complex sol: by Ludox and Alumina gel mix homogeneously, prepares sial complex sol;
(2) impregnation: make described sial complex sol immerse in described pre-oxidized fibers by impregnation technology, obtain the mixture of sial complex sol and pre-oxidized fibers;
(3) gel: be placed in the environment of 60 to 80 DEG C by described mixture, makes the described sial complex sol generation gel of described mixture, obtains the silicon-aluminium aerogel that described pre-oxidized fibers strengthens.
10. a kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate according to claim 9, it is characterised in that in described sial complex sol, the molar content ratio of Ludox is 60��70%; Described pre-oxidized fibers is that low melting point polyester fiber and pre-oxidized polyacrylonitrile fiber prepare, and the fusing point of described low melting point polyester fiber is 160��180 DEG C;Described pre-oxidized fibers mass content in the silicon-aluminium aerogel that described pre-oxidized fibers strengthens is 50��70%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610066270.1A CN105649226A (en) | 2016-01-29 | 2016-01-29 | Pre-oxidation fiber silicon-aluminum aerogel composite sandwich thermal-insulation fire-proof plate |
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| CN201610066270.1A CN105649226A (en) | 2016-01-29 | 2016-01-29 | Pre-oxidation fiber silicon-aluminum aerogel composite sandwich thermal-insulation fire-proof plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383487A (en) * | 2018-03-27 | 2018-08-10 | 陕西科技大学 | A kind of PAN preoxidized fibers felt/silicon dioxide silica aerogel composite material and preparation method thereof |
| CN113144497A (en) * | 2021-04-09 | 2021-07-23 | 上海克故消防设备有限公司 | Active extinguishing type fire extinguishing material for electric car and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000247722A (en) * | 1999-03-03 | 2000-09-12 | Katsuro Sato | Flame-retardant board and its production |
| CN101698592A (en) * | 2009-11-13 | 2010-04-28 | 航天特种材料及工艺技术研究所 | Silicon-aluminium aerogel composite material and manufacturing method thereof |
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| CN101698592A (en) * | 2009-11-13 | 2010-04-28 | 航天特种材料及工艺技术研究所 | Silicon-aluminium aerogel composite material and manufacturing method thereof |
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| CN108383487A (en) * | 2018-03-27 | 2018-08-10 | 陕西科技大学 | A kind of PAN preoxidized fibers felt/silicon dioxide silica aerogel composite material and preparation method thereof |
| CN108383487B (en) * | 2018-03-27 | 2021-03-02 | 陕西科技大学 | PAN pre-oxidized fiber felt/silicon dioxide aerogel composite material and preparation method thereof |
| CN113144497A (en) * | 2021-04-09 | 2021-07-23 | 上海克故消防设备有限公司 | Active extinguishing type fire extinguishing material for electric car and application |
| CN113144497B (en) * | 2021-04-09 | 2022-07-15 | 上海克故消防设备有限公司 | Active extinguishing type fire extinguishing material for electric car and application |
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