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 PDF

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Publication number
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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China
Prior art keywords
oxidized fibers
silicon
composite sandwich
insulated fire
aluminium aerogel
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CN201610066270.1A
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Chinese (zh)
Inventor
杨卓舒
纪勇
孟宪娴
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Zhuoda New Material Technology Group Co Ltd
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Zhuoda New Material Technology Group Co Ltd
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Priority to CN201610066270.1A priority Critical patent/CN105649226A/en
Publication of CN105649226A publication Critical patent/CN105649226A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • E04B1/941Building elements specially adapted therefor
    • E04B1/942Building elements specially adapted therefor slab-shaped
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation, e.g. vacuum or aerogel insulation

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  • 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

A kind of pre-oxidized fibers silicon-aluminium aerogel composite sandwich insulated fire plate
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%.
CN201610066270.1A 2016-01-29 2016-01-29 Pre-oxidation fiber silicon-aluminum aerogel composite sandwich thermal-insulation fire-proof plate Pending CN105649226A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
CN204826264U (en) * 2015-07-01 2015-12-02 卓达新材料科技集团有限公司 Compound with filling fire prevention insulation board of aerogel
CN105256902A (en) * 2015-07-22 2016-01-20 卓达新材料科技集团有限公司 Instant aerogel composite heat isolation adhesive tape and preparing method of instant aerogel composite heat isolation adhesive tape

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
CN204826264U (en) * 2015-07-01 2015-12-02 卓达新材料科技集团有限公司 Compound with filling fire prevention insulation board of aerogel
CN105256902A (en) * 2015-07-22 2016-01-20 卓达新材料科技集团有限公司 Instant aerogel composite heat isolation adhesive tape and preparing method of instant aerogel composite heat isolation adhesive tape

Cited By (4)

* Cited by examiner, † Cited by third party
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
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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