CN104631634B - A kind of powder core material vacuum heat-insulation board for building and preparation method thereof - Google Patents
A kind of powder core material vacuum heat-insulation board for building and preparation method thereof Download PDFInfo
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- CN104631634B CN104631634B CN201410835719.7A CN201410835719A CN104631634B CN 104631634 B CN104631634 B CN 104631634B CN 201410835719 A CN201410835719 A CN 201410835719A CN 104631634 B CN104631634 B CN 104631634B
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum 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
- 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
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Abstract
The invention discloses a kind of powder core material vacuum heat-insulation board for building and preparation method thereof, by the way that hydrated calcium silicate powder, silicon dioxide powder, reinforcing fiber, auxiliary material are sufficiently mixed, then mixed pressed by powder is molded and dried, powder core after drying is coated with non-woven fabrics, it is then placed in high barrier compound membrane bag, after being vacuumized and seal and be made, wherein hydrated calcium silicate powder is prepared from using calcareous raw material and siliceous raw material by wet-chemical reaction.Powder core material vacuum heat-insulation board for building proposed by the present invention, powder core uses hydrated calcium silicate powder for main material, and light weight is inexpensive, fire protection flame retarding, while having excellent compressive strength and relatively low thermal conductivity factor, can apply to construction wall field of thermal insulation.The invention allows for the preparation method of above-mentioned powder core material vacuum heat-insulation board for building, preparation method is simple, volume production efficiency high.
Description
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of powder core material vacuum heat-insulation board for building and its preparation side
Method.
Background technology
Vacuum heat-insulating plate (VIP plates) is a kind of energy-efficient high-tech vacuum thermal insulating material.Due to efficiently avoid
Heat transfer caused by cross-ventilation, therefore with very excellent thermal and insulating performance.It is applied to building heat preservation field,
Building energy consumption can effectively be reduced.Shown from the tracing detection result of Munich, Germany sample project, use vacuum heat-insulating plate conduct
The architectural engineering of insulation material, its annual energy consumption is only 1/10th of Munich city average energy consumption, and the product has
There is the service life of more than 50 years.Therefore vacuum heat-insulating plate has huge application prospect in building heat preservation field.Existing market
The vacuum heat-insulating plate of upper production and selling, is broadly divided into glass powder core and the major class of inorganic particle core two.But glass powder
Body core volume rebound rate is higher, residual gas influence is big, and service life is difficult to reach building heat preservation design requirement, while glass
With potential carcinogenicity, cost is also of a relatively high, so such product is mainly applied to refrigerator insulation industry at present.Inorganic powder
Body core light weight, prevent fires, the small, residual gas of rebounding influences small, long lifespan, be more suitable for building heat preservation industry and use.But make a general survey of mesh
The sheet material of the vacuum insulation panel products of preceding in the market, either glass powder core, or inorganic particle core, with respect to price all
Compare high, seriously constrain occupation rate of market of the vacuum heat-insulating plate in building heat preservation field.Current inorganic particle core both at home and abroad
The main aerosil for using costliness causes integral of such vacuum heat-insulating plate to remain high, urgently for main material
Need to develop inexpensive light weight, fire protection flame retarding, the powder core material vacuum heat-insulation board of good heat insulating.
The content of the invention
To solve technical problem present in background technology, the present invention proposes that a kind of powder core material vacuum for building is adiabatic
Plate, light weight is inexpensive, fire protection flame retarding, thermal conductivity factor are low, and its preparation method is simple in addition, easy to operate.
A kind of powder core material vacuum heat-insulation board for building proposed by the present invention, including：Powder core and Vacuum Package core
High barrier composite membrane；
Wherein, powder core includes according to the parts by weight of raw material：1-100 parts of 50-100 parts of hydrated calcium silicate powder and filler；
Filler is made up of following component, is included by weight：0.5-10 parts of 1-80 parts of silicon dioxide powder and reinforcing fiber, or
Include 1-10 parts of 1-10 parts of reinforcing fiber and auxiliary material by weight, or include 1-80 parts of silicon dioxide powder and auxiliary material 1- by weight
10 parts, or include 1-80 parts of silicon dioxide powder, 1-10 parts of reinforcing fiber, 1-10 parts of auxiliary material by weight.
In a particular embodiment, the parts by weight of hydrated calcium silicate powder can for 50 parts, 60 parts, 70 parts, 80 parts, 90 parts, 100
Part, the parts by weight of auxiliary material are 1 part, 10 parts, 20 parts, 40 parts, 60 parts, 80 parts, 100 parts, and the parts by weight of wherein silicon dioxide powder can
Think 1 part, 10 parts, 30 parts, 40 parts, 60 parts, 75 parts, 80 parts, the parts by weight of reinforcing fiber can for 1,2 parts, 5 parts, 8 parts, 10
Part, the parts by weight of auxiliary material can be 1 part, 2 parts, 3 parts, 7 parts, 10 parts.
Preferably, powder core includes according to the parts by weight of raw material：60-80 parts of hydrated calcium silicate powder, silicon dioxide powder 30-
75 parts, 1-8 parts of reinforcing fiber, 2-7 parts of auxiliary material.
Preferably, auxiliary material includes SILICA FUME, diatomite, carbon black, acetylene black, carborundum, silicon nitride, titanium dioxide, carbonic acid
One or more in calcium.
Preferably, auxiliary material according to parts by weight include 0.2 part of SILICA FUME, 0.4 part of diatomite, 0.6 part of carbon black, 1 part of acetylene black,
0.4 part of carborundum, 0.2 part of silicon nitride, 0.1 part of titanium dioxide, 0.1 part of calcium carbonate.
Preferably, silicon dioxide powder includes the one or two in aerosil and precipitated silica.
The present invention also proposes a kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, weigh hydrated calcium silicate powder, silicon dioxide powder, reinforcing fiber, auxiliary material according to parts by weight and be sufficiently mixed；
S2, uniform mixed powder is put into mould, it is compressing under 0.1MPa~10MPa pressure, formed
Powder core；
S3, the powder core that S2 is obtained dried at 100~200 DEG C；
S4, the powder core that S3 is obtained is put into high barrier compound membrane bag, progress vacuumizes post heat-seal, is built
Use powder core material vacuum heat-insulation board.
Preferably, in the preparation process of hydrated calcium silicate powder, using siliceous raw material and calcareous raw material as solid material, plus
To enter be well mixed after water, be incubated 1-10 hours, holding temperature is 70-250 DEG C, and dehydration, drying obtains hydrated calcium silicate powder powder,
Wherein the weight ratio of solid material and water is 1：The proportioning of 2-50, calcareous raw material and siliceous raw material is with CaO/SiO2Meter, CaO/SiO2
Mol ratio be 0.75-1.2.
Preferably, hydrated calcium silicate micro mist is 6CaO5SiO2·6H2O and 6CaO6SiO2·H2One kind or two in O
Kind.
Preferably, calcareous raw material uses the one or more in quick lime, calcium hydroxide, carbide slag.
Preferably, siliceous raw material is using quartz, amorphous silica, diatomite, white carbon, silicon ash, rice hull ash, swelling
One or more in soil.
Preferably, calcareous raw material includes 1 part of quick lime, 1 part of calcium hydroxide, 1 part of carbide slag according to parts by weight.
In the present invention, the powder core material vacuum heat-insulation board for building proposed, by by hydrated calcium silicate powder, silica
Powder, reinforcing fiber, auxiliary material are sufficiently mixed, and then mixed pressed by powder is molded and dried, after the drying
Powder core is coated with non-woven fabrics, is then placed in high barrier compound membrane bag, after being vacuumized and seal be made, its reclaimed water
Change calcium silicate powder to be prepared from by wet-chemical reaction using calcareous raw material and siliceous raw material.The building prepared by above-mentioned optimization
Powder core material vacuum heat-insulation board is used, powder core uses hydrated calcium silicate powder for main material, and light weight is inexpensive, fire protection flame retarding, simultaneously
With excellent compressive strength and relatively low thermal conductivity factor, fireproof heat insulating excellent performance；Preparation method is simple, with low cost, amount
Produce efficiency high.
Specifically, using major ingredient of the hydrated calcium silicate powder as powder core, hydrated calcium silicate powder and silica are passed through
At least two in powder, reinforcing fiber and auxiliary material are engaged, and improve the compressive strength of powder core, and reduce its heat conduction system
Number, reduction powder core cost on the basis of, it is ensured that vacuum heat-insulating plate fireproof heat insulating performance.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the preparation method of powder core material vacuum heat-insulation board for building proposed by the present invention.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
A kind of powder core material vacuum heat-insulation board for building proposed by the present invention, including：Powder core and Vacuum Package core
High barrier composite membrane；Powder core includes according to the parts by weight of raw material：50-100 parts of hydrated calcium silicate powder, silicon dioxide powder
0-80 parts, 0-10 parts of reinforcing fiber, 0-10 parts of auxiliary material.
As shown in figure 1, Fig. 1 is a kind of stream of the preparation method of powder core material vacuum heat-insulation board for building proposed by the present invention
Cheng Tu.
Reference picture 1, a kind of preparation method of powder core material vacuum heat-insulation board for building proposed by the present invention, including following step
Suddenly：
S1, weigh hydrated calcium silicate powder, silicon dioxide powder, reinforcing fiber, auxiliary material according to parts by weight, enter in input mixer
Row is sufficiently mixed；
S2, uniform mixed powder is put into mould, it is compressing under 0.1MPa~10MPa pressure, formed
Powder core；
S3, compressing powder core dried at 100~200 DEG C；
S4, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
Embodiment 1
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio for 0.75 weigh quick lime and quartz as solid material, with solid material
Weight ratio with water is 1：50 measure water, add after water and are well mixed into solid material, are incubated 1 hour, holding temperature is 250
DEG C, dehydration, drying obtains hydrated calcium silicate powder powder；
S2, hydrated calcium silicate powder made from 100 parts of S1,50 parts of aerosil powder, 3 parts of glass are weighed according to parts by weight
It is sufficiently mixed in fiber, 1 part of SILICA FUME, input mixer；
S3, uniform mixed powder is put into mould, it is compressing under 0.1MPa pressure, form powder core
Material；
S4, compressing powder core dried at 100 DEG C；
S5, the powder core after drying is put into high barrier compound membrane bag, after being vacuumized and sealed, built
Build and use powder core material vacuum heat-insulation board.
Embodiment 2
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh calcium hydroxide and amorphous silica as solid material for 0.9, with
The weight ratio of solid material and water is 1：30 measure water, add after water and are well mixed into solid material, are incubated 15 hours, insulation
Temperature is 220 DEG C, and dehydration, drying obtains hydrated calcium silicate powder powder；
S2, weigh according to parts by weight hydrated calcium silicate powder made from 80 parts of S1,80 parts of aerosil powder, 3.2 parts gather
It is sufficiently mixed in tacryl, 3.2 parts of diatomite, input mixer；
S3, uniform mixed powder is put into mould, it is compressing under 1MPa pressure, form powder core；
S4, compressing powder core dried at 120 DEG C；
S5, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
Embodiment 3
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh carbide slag and diatomite as solid material for 1, with solid material with
The weight ratio of water is 1：40 measure water, add after water and are well mixed into solid material, are incubated 10 hours, holding temperature is 210
DEG C, dehydration, drying obtains hydrated calcium silicate powder powder；
S2, weigh hydrated calcium silicate powder made from 100 parts of S1,2 parts of polyester fibers, 2 parts of carbon blacks according to parts by weight, input is mixed
It is sufficiently mixed in conjunction machine；
S3, uniform mixed powder is put into mould, it is compressing under 2MPa pressure, form powder core；
S4, compressing powder core dried at 140 DEG C；
S5, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
Embodiment 4
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh siliceous raw material and calcareous raw material as solid material for 1, wherein siliceous
Raw material uses the white carbon and quartz sand that arbitrary proportion is mixed, and calcareous raw material is the quick lime and niter mixed with arbitrary proportion
Ash, the weight ratio using solid material and water is 1：30 measure water, add after water and are well mixed into solid material, are incubated 8 hours,
Holding temperature is 185 DEG C, and dehydration, drying obtains hydrated calcium silicate powder powder；
S2, hydrated calcium silicate powder made from 100 parts of S1,2 parts of strings, 1 part of acetylene black are weighed according to parts by weight, put into
It is sufficiently mixed in mixer；
S3, uniform mixed powder is put into mould, it is compressing under 4MPa pressure, form powder core；
S4, compressing powder core dried at 160 DEG C；
S5, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
Embodiment 5
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh siliceous raw material and calcareous raw material as solid material, wherein silicon for 1.2
Matter raw material using arbitrary proportion mix quartz, amorphous silica, diatomite, white carbon, silicon ash, rice hull ash, bentonite,
Calcareous raw material is the carbide slag and quick lime mixed with arbitrary proportion, and the weight ratio using solid material and water is 1：20 measure water,
Add after water and be well mixed into solid material, be incubated 4 hours, holding temperature is 190 DEG C, and dehydration, drying obtains aquation silicic acid
Calcium powder powder；
S2, weigh according to parts by weight hydrated calcium silicate powder made from 75 parts of S1,75 parts of aerosil powder, 3 parts of enhancings
Fiber, 7 parts of auxiliary materials, wherein, auxiliary material is the titanium dioxide and calcium carbonate mixed with arbitrary proportion, and the raw material weighed is put into and mixed
It is sufficiently mixed in machine；
S3, uniform mixed powder is put into mould, it is compressing under 6MPa pressure, form powder core；
S4, compressing powder core dried at 180 DEG C；
S5, the powder core after drying is put into high barrier compound membrane bag, after being vacuumized and sealed, built
Build and use powder core material vacuum heat-insulation board.
Embodiment 6
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh siliceous raw material and silicon ash as solid material for 1.05, wherein calcareous
Raw material is the carbide slag and calcium hydroxide mixed with arbitrary proportion, and the weight ratio using solid material and water is 1：10 measure water, Xiang Gu
Add after water and be well mixed in body raw material, be incubated 3 hours, holding temperature is 170 DEG C, and dehydration, drying obtains hydrated calcium silicate powder
Powder；
S2, hydrated calcium silicate powder made from 75 parts of S1,75 parts of deposition silicon dioxide powders, 7 parts of auxiliary materials are weighed according to parts by weight,
Wherein auxiliary material is the carborundum and silicon nitride mixed with arbitrary proportion, and the raw material weighed is put into mixer and fully mixed
Close；
S3, uniform mixed powder is put into mould, it is compressing under 8MPa pressure, form powder core；
S4, compressing powder core dried at 200 DEG C；
S5, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
Embodiment 7
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh siliceous raw material and siliceous raw material as solid material for 0.85, wherein
Calcareous raw material is the carbide slag and calcium hydroxide mixed with arbitrary proportion, and siliceous raw material is silicon ash, the rice husk mixed with arbitrary proportion
Ash and bentonite, the weight ratio using solid material and water is 1：2 measure water, add after water and are well mixed into solid material, protect
Temperature 2 hours, holding temperature is 205 DEG C, and dehydration, drying obtains hydrated calcium silicate powder powder；
S2, weigh according to parts by weight hydrated calcium silicate powder made from 50 parts of S1,30 parts of deposition silicon dioxide powders, 8 parts of enhancings
Fiber, wherein 10 parts of auxiliary materials, reinforcing fiber are glass fibre, polypropylene fibre and the polyester fiber mixed with arbitrary proportion, will
It is sufficiently mixed in the raw material input mixer weighed；
S3, uniform mixed powder is put into mould, it is compressing under 10MPa pressure, form powder core；
S4, compressing powder core dried at 150 DEG C；
S5, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
Embodiment 8
A kind of preparation method of powder core material vacuum heat-insulation board for building, comprises the following steps：
S1, according to CaO/SiO2Mol ratio weigh siliceous raw material and siliceous raw material as solid material, wherein calcium for 1.1
Matter raw material uses weight ratio for 1：1：1 quick lime, calcium hydroxide, carbide slag, siliceous raw material be mixed with arbitrary proportion quartz,
Amorphous silica, diatomite, white carbon, silicon ash, rice hull ash and bentonite, the weight ratio using solid material and water is 1：
20 measure water, add after water and are well mixed into solid material, are incubated 10 hours, and holding temperature is 70 DEG C, and dehydration, drying is obtained
Hydrated calcium silicate powder powder；
S2, weigh according to parts by weight hydrated calcium silicate powder made from 60 parts of S1,60 parts of deposition silicon dioxide powders, 10 parts of enhancings
Fiber, 3 parts of auxiliary materials, wherein reinforcing fiber are glass fibre, polypropylene fibre, polyester fiber and the plant mixed with arbitrary proportion
Fibres, auxiliary material includes 0.2 part of SILICA FUME, 0.4 part of diatomite, 0.6 part of carbon black, 1 part of acetylene black, 0.4 part of carbon according to parts by weight
SiClx, 0.2 part of silicon nitride, 0.1 part of titanium dioxide, 0.1 part of calcium carbonate, the raw material weighed is put into mixer and fully mixed
Close；
S3, uniform mixed powder is put into mould, it is compressing under 5MPa pressure, form powder core；
S4, compressing powder core dried at 160 DEG C；
S5, the powder core after drying coated with non-woven fabrics, be then placed in high barrier compound membrane bag, progress is taken out true
After sky and seal, obtain powder core material vacuum heat-insulation board for building.
By carrying out performance detection to the powder core material vacuum heat-insulation board for building prepared in embodiment 1-6：
The unit weight of embodiment 1-6 powder core material vacuum heat-insulation board for building is less than 400Kg/m3, compressive strength is more than
0.1MPa, thermal conductivity factor is less than 15mW/mK；Wherein, the thermal conductivity factor of the vacuum heat-insulating plate of embodiment 1 is 11.35mW/m
K, the thermal conductivity factor of the vacuum heat-insulating plate of embodiment 2 is 9.75mW/mK, and the thermal conductivity factor of the vacuum heat-insulating plate of embodiment 3 is
14.15mW/mK, the thermal conductivity factor of the vacuum heat-insulating plate of embodiment 4 is 13.87mW/mK, the vacuum heat-insulating plate of embodiment 5
Thermal conductivity factor be 10.32mW/mK, the thermal conductivity factor of the vacuum heat-insulating plate of embodiment 6 is 11.52mW/mK.
In a specific embodiment, it may be selected first to coat the powder core after drying with non-woven fabrics in S5, Ran Houfang
Enter in high barrier compound membrane bag, after being vacuumized and seal, non-woven fabrics cladding is easy to powder core to load high barrier to answer
Close in film bag.
The foregoing is intended to be a preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (9)
1. a kind of powder core material vacuum heat-insulation board for building, it is characterised in that including：The height of powder core and Vacuum Package core
Barrier composite membrane；
Wherein, powder core includes according to the parts by weight of raw material：1-100 parts of 50-100 parts of hydrated calcium silicate powder and filler；
Filler is made up of following component：Include 1-10 parts of 1-80 parts of silicon dioxide powder and reinforcing fiber by weight, or, by weight
Part includes 1-10 parts of 1-10 parts of reinforcing fiber and auxiliary material, or, include 1-10 parts of 1-80 parts of silicon dioxide powder and auxiliary material by weight,
Or, including 1-80 parts of silicon dioxide powder, 1-10 parts of reinforcing fiber, 1-10 parts of auxiliary material by weight；
The preparation method of the hydrated calcium silicate powder includes：Using siliceous raw material and calcareous raw material as solid material, add after water
It is well mixed, 1-10 hours are incubated, holding temperature is 70-250 DEG C, and dehydration, drying obtains hydrated calcium silicate powder powder, wherein solid
The weight ratio of body raw material and water is 1：The proportioning of 2-50, calcareous raw material and siliceous raw material is with CaO/SiO2Meter, CaO/SiO2Mole
Than for 0.75-1.2.
2. powder core material vacuum heat-insulation board for building according to claim 1, it is characterised in that powder core is according to raw material
Parts by weight include：60-80 parts of hydrated calcium silicate powder, 30-75 parts of silicon dioxide powder, 1-8 parts of reinforcing fiber, 2-7 parts of auxiliary material.
3. powder core material vacuum heat-insulation board for building according to claim 1 or 2, it is characterised in that auxiliary material includes micro- silicon
One or more in powder, diatomite, carbon black, acetylene black, carborundum, silicon nitride, titanium dioxide, calcium carbonate.
4. powder core material vacuum heat-insulation board for building according to claim 3, it is characterised in that auxiliary material is according to parts by weight bag
Include 0.2 part of SILICA FUME, 0.4 part of diatomite, 0.6 part of carbon black, 1 part of acetylene black, 0.4 part of carborundum, 0.2 part of silicon nitride, 0.1 part two
Titanium oxide, 0.1 part of calcium carbonate.
5. powder core material vacuum heat-insulation board for building according to claim 1 or 2, it is characterised in that silicon dioxide powder bag
Include the one or two in aerosil and precipitated silica.
6. a kind of preparation method of powder core material vacuum heat-insulation board for building according to claim any one of 1-5, it is special
Levy and be, comprise the following steps：
S1, hydrated calcium silicate powder, silicon dioxide powder, reinforcing fiber, auxiliary material are weighed according to parts by weight, be sufficiently mixed；
S2, uniform mixed powder is put into mould, it is compressing under 0.1MPa~10MPa pressure, form powder
Core；
S3, the powder core that S2 is obtained dried at 100~200 DEG C；
S4, the powder core that S3 is obtained coated with non-woven fabrics, be then placed in high barrier compound membrane bag, after being vacuumized
Heat-sealing, obtains powder core material vacuum heat-insulation board for building.
7. the preparation method of powder core material vacuum heat-insulation board for building according to claim 6, it is characterised in that aquation silicon
Sour calcium micro mist is 6CaO5SiO2·6H2O micro mists and 6CaO6SiO2·H2It is one or two kinds of in O micro mists.
8. the preparation method of powder core material vacuum heat-insulation board for building according to claim 6, it is characterised in that calcareous original
Material is using quick lime, calcium hydroxide, the one or more in carbide slag, and siliceous raw material is using amorphous silica, diatomite, white
One or more in carbon black, silicon ash, rice hull ash, bentonite.
9. the preparation method of the powder core material vacuum heat-insulation board for building according to claim any one of 7-8, its feature exists
In calcareous raw material includes 1 part of quick lime, 1 part of calcium hydroxide, 1 part of carbide slag according to parts by weight.
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| CN104976865A (en) * | 2015-06-25 | 2015-10-14 | 滁州银兴新材料科技有限公司 | Drying method of silicon dioxide vacuum insulated panel |
| CN107337420B (en) * | 2017-07-24 | 2020-07-24 | 浙江阿斯克建材科技股份有限公司 | Integral hydrophobic heat-insulating spray paint of calcium silicate and its preparing process |
| CN108069694B (en) * | 2017-12-13 | 2019-10-08 | 中南大学 | A kind of calcium silicate board and preparation method thereof |
| CN111549920A (en) * | 2020-05-15 | 2020-08-18 | 中国科学院合肥物质科学研究院 | Core-film integrated powder core material vacuum insulation panel and preparation method thereof |
| CN112549675A (en) * | 2020-12-02 | 2021-03-26 | 英索来欣(苏州)新材料科技有限公司 | Fiber/powder composite felt, preparation method thereof and vacuum insulation panel |
| CN115677270A (en) * | 2022-11-07 | 2023-02-03 | 厦门大学 | Ultra-light aerogel-based vacuum insulation panel and preparation method thereof |
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| CN101219879A (en) * | 2008-01-23 | 2008-07-16 | 山东大学 | Carbon fiber reinforcing calcium silicate heat-preserving heat insulation material and method for producing the same |
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| CN102873739A (en) * | 2012-06-08 | 2013-01-16 | 青岛科瑞新型环保材料有限公司 | Improved production method for vacuum insulated panel |
| CN102873959A (en) * | 2012-06-08 | 2013-01-16 | 青岛科瑞新型环保材料有限公司 | Method for producing novel vacuum insulated panel |
| CN103419271A (en) * | 2012-05-23 | 2013-12-04 | 北京航空航天大学 | Preparation method of calcium silicate board |
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2014
- 2014-12-29 CN CN201410835719.7A patent/CN104631634B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219879A (en) * | 2008-01-23 | 2008-07-16 | 山东大学 | Carbon fiber reinforcing calcium silicate heat-preserving heat insulation material and method for producing the same |
| WO2009112873A1 (en) * | 2008-03-14 | 2009-09-17 | Solti-Veres Klara | Structure of constructions and buildings from a fireproof and at the same time insulating, continuously solidifying material of fractional density as compared to concrete |
| CN103419271A (en) * | 2012-05-23 | 2013-12-04 | 北京航空航天大学 | Preparation method of calcium silicate board |
| CN102873739A (en) * | 2012-06-08 | 2013-01-16 | 青岛科瑞新型环保材料有限公司 | Improved production method for vacuum insulated panel |
| CN102873959A (en) * | 2012-06-08 | 2013-01-16 | 青岛科瑞新型环保材料有限公司 | Method for producing novel vacuum insulated panel |
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| CN104631634A (en) | 2015-05-20 |
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