CN110357566A - A kind of basalt fibre heat insulation decoration integrated plate and preparation method thereof - Google Patents
A kind of basalt fibre heat insulation decoration integrated plate and preparation method thereof Download PDFInfo
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- CN110357566A CN110357566A CN201910648430.7A CN201910648430A CN110357566A CN 110357566 A CN110357566 A CN 110357566A CN 201910648430 A CN201910648430 A CN 201910648430A CN 110357566 A CN110357566 A CN 110357566A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of basalt fibre heat insulation decoration integrated plates and preparation method thereof, belong to building material technical field.The present invention is using carbon fiber, basalt fibre as frame structure material, modified SiO2Aeroge is heat insulation function material, in conjunction with inorganic filler, adhesive and auxiliary agent, forms basalt fibre heat insulation decoration integrated plate.Basalt fibre heat insulation decoration integrated plate of the invention can be used below at 650 DEG C, and thermal coefficient is the left and right 0.02W/ (mK), is three to five times of traditional inorganic heat insulation material, can greatly improve heat insulating effect and high temperature resistant heat insulation.
Description
Technical field
The present invention relates to building material technical field more particularly to a kind of heat preserving and insulating material, tool is related to a kind of basalt
Fiber thermal insulation decorative integrated plate and preparation method thereof.
Background technique
Heat insulation decoration integrated plate is that a kind of one kind for integrating the functions such as decoration, energy conservation, fire prevention, waterproof, environmental protection is novel
Chemical building material, most important feature be exactly it is traditional must discrete technology production at the scene process portion it is complete in factory
At having many advantages, such as that quality batch is stable, production capacity mentions, does not receive construction environment influences.Heat insulation decoration integrated plate and common F-C paint
The facial ornaments materials such as plate, lacquer, bubble paint are compared, and the service life is long, good decorating effect, environmentally protective；It is filled with wooden, PVC material
Exterior material is compared, and has the performance advantages such as fire prevention, waterproof；Compared with stone decoration material, there is no color differnece, radiationless, sexual valence
Than high advantage.
China's external walls heating insulation have developed rapidly at present, be the emphasis of energy conservation.The development of external walls heating insulation and section
Can material innovation be it is inseparable, building energy conservation must be premised on Development of Novel energy-saving material, it is necessary to have enough guarantors
Warm heat-insulating material does basis.The development of energy-saving material must combine again with external walls heating insulation, could really play its effect.
Just because of the continuous innovation of energy-saving material, the superiority of external walls heating insulation is just increasingly subject to people's attention.
The nonflammable characteristic of basalt and cheap is used frequently as heat preserving and insulating material.Existing basalt is fine
Dimension is added in heat insulating decorative board often through the form of chopped strand, and the additive amount of basalt fibre is limited, cannot be well
Meets the needs of insulation and decoration.And under particular surroundings (high temperature), existing basalt fibre insulation board can not be played
Heat-resisting quantity well, heat insulating effect are bad.
Summary of the invention
The object of the present invention is to provide a kind of basalt fibre heat insulation decoration integrated plate and its preparations, to solve the existing Black Warrior
The bad problem of rock fiber insulation board thermal and insulating performance.
The technical scheme to solve the above technical problems is that
A kind of basalt fibre heat insulation decoration integrated plate, comprising: insulating layer and finish coat；Wherein, the insulating layer includes:
By weight, basalt fibre 20-40 parts, 10-30 parts of carbon fiber, modified SiO25-30 parts of aeroge, inorganic filler 60-
100 parts, 20-50 parts of adhesive and 10-30 parts of auxiliary agent.
Further, in preferred embodiments of the present invention, above-mentioned insulating layer includes: basalt fibre by weight
25-35 parts, 15-25 parts of carbon fiber, modified SiO2It 10-25 parts of aeroge, 70-90 parts of inorganic filler, 30-40 parts of adhesive and helps
15-25 parts of agent.
Further, in preferred embodiments of the present invention, above-mentioned insulating layer includes: basalt fibre by weight
30 parts, 20 parts of carbon fiber, modified SiO220 parts of aeroge, 80 parts of inorganic filler, 35 parts of adhesive and 20 parts of auxiliary agent.
Further, in preferred embodiments of the present invention, above-mentioned modified SiO2The aperture of aeroge is 10-20nm,
It is made by following steps:
(1) silester, ethyl alcohol and deionized water are mixed, is then 2-3 with hydrochloric acid conditioning solution pH value, and in 30-
10-15min is stirred under 40 DEG C of water bath condition, obtains silicon dioxide gel；By silicon dioxide gel with by crystal whisker of hexa potassium titanate
It is mixed with the mixed solution of tetrabutyl zirconate, continues stirring and be 2-3 with salt acid for adjusting pH value, obtain complex sol；Then to
It is 7-7.5 that ammonium hydroxide is added dropwise in the complex sol and adjusts solution ph, and 45-60min is stirred under 50-65 DEG C of water bath condition, quiet
It sets, obtains plural gel；
Wherein, the molar ratio of the silester, ethyl alcohol and deionized water is 1:(6-15): (3-6)；The silica
The mass ratio of colloidal sol and the mixed solution is 1:(1-2), in the mixed solution, the concentration of crystal whisker of hexa potassium titanate is 20-
30wt%, the concentration of tetrabutyl zirconate are 20-30wt%；
(2) the silester alcoholic solution for being 60-80% with volume ratio washs at normal temperature impregnates the plural gel, impregnates
20-24h, the ethyl orthosilicate alcoholic solution of replacement in every 4 hours；Then, solvent displacement is carried out with cyclopropane；
(3) with dehydrated alcohol, to step (2), treated, and plural gel is washed, after natural drying at 40-60 DEG C
Dry 3-4h, is heat-treated 2-3h at 450-500 DEG C, and modified SiO is made2Aeroge.
Further, in preferred embodiments of the present invention, the diameter of basalt fibre is 1-2 μm.
Further, in preferred embodiments of the present invention, the diameter of carbon fiber is 1-2 μm.
Further, in preferred embodiments of the present invention, above-mentioned inorganic filler includes: white carbon black, diatomite, fine coal
One of ash, silica flour and expanded perlite or multiple combinations；Adhesive includes: one of sodium metasilicate and silica solution or more
Kind combination；Auxiliary agent includes: polymer alumina and silane coupling agent.
The preparation method of upper basalt fibre heat insulation decoration integrated plate, comprising the following steps:
(I) basalt fibre, carbon fiber, modified SiO are weighed according to said ratio2Aeroge, inorganic filler, adhesive and
Solid-liquid ratio after basalt fibre and carbon fiber shearing according to mass ratio for 1:(4-6) is made slurry, is then added and changes by auxiliary agent
Property SiO2Aeroge and inorganic filler stir evenly, and are eventually adding adhesive and auxiliary agent stirs evenly, stratification；
(II) it takes sediment in step (I) to form in flat plate mold, then dries, insulating layer is made；
(III) finish coat is made on the surface of the insulating layer, obtains basalt fibre heat insulation decoration integrated plate.
The invention has the following advantages:
The present invention is using carbon fiber, basalt fibre as frame structure material, modified SiO2Aeroge is heat insulation function
Material forms basalt fibre heat insulation decoration integrated plate in conjunction with inorganic filler, adhesive and auxiliary agent.The present invention passes through profound
Composite modified SiO in military rock fiber2Aerogel material utilizes modified SiO2Aeroge will be formed in basalt fibre and carbon fiber
Tridimensional network in carry out the gas molecule barrier of heat transfer, pass through modified SiO2Aeroge hinders gas molecule freely to transport
It is dynamic, to reduce the energy transmission and loss occurred by collision, and then reduce heat transfer.And due to modified SiO2Aeroge
Presence, nano-pore structure inhibits gaseous exchange, gaseous exchange heat transfer reduced, to improve the heat insulating ability of integral material
Energy.Furthermore modified SiO2Aeroge can transmit heat along its pore surfaces, reduce from high temperature side to low temperature side energy
Transmitting, the convective heat transfer of material can be reduced to bottom line.
Due to conventional SiO2Aeroge is sensitive to high temperature heat radiation, and radiant heat transfer is higher, when in the higher ring of temperature
When under border, heat insulating effect will be substantially reduced.Based on this, the present invention introduces titanium elements and zr element to SiO by doping2
Aeroge is modified, and obtains compound SiO2-TiO2-ZrO2Aeroge improves the high temperature resistance of aeroge, reduces high temperature
Under radiant heat transfer, realize application of the integrated board under high temperature particular surroundings.The present invention is using tetrabutyl zirconate as zirconium source, six titaniums
Sour potassium whisker is doped as titanium source, generates TiO by reaction2、ZrO2, TiO2And ZrO2As opacifier, absorb under high temperature
Infra-red radiation, reduce aerogel material to the transmitance of infrared sight, to improve the high temperature resistance of aeroge.The present invention with
Crystal whisker of hexa potassium titanate is doped, and is alternatively arranged as the reinforcement in aerogel material for the complete whisker of unreacted in reaction,
With the disadvantage for overcoming aeroge brittleness easy to crack.In addition, the present invention is kept the temperature by specific raw material proportioning and reaction condition
Heat-insulated and all good high temperature resistance modification SiO2Aeroge, and modified SiO obtained2Aeroge aperture is in 10-20nm range
It is interior, the specific surface area of aerogel material is substantially increased, can effectively reduce thermal conductivity, gaseous heat conduction and advection heat is inhibited to pass
It leads, has established solid foundation to prepare integrated board.
Preparing modified SiO2When aeroge, the present invention is hydrolyzed and is contracted using strong acid and the two different conditions of weak base
Poly- reaction to obtain better network structure, and is being that reaction carries out more abundant by heating water bath.When reaction terminates
Afterwards, the present invention uses silester alcoholic solution that volume ratio is 60-80% as Ageing solution, aging process is carried out to gel, to be
The further polycondensation of gel consolidates gel skeleton to improve gel strength.The present invention carries out solvent replacement, surface with hexamethylene
Tension is small, can largely reduce surface tension and contact angle between solvent and network skeleton, reduces gel in normal pressure
The lower dry probability for generating excessive shrinkage.
The present invention is by being added carbon fiber, and the ultrafine carbon fiber that preferably diameter is 1-2 μm is added, on the one hand can be with
Basalt fibre is formed together three-dimensional network skeleton and is dispersed in plate, plays the role of enhancing, on the other hand, ultrafine carbon fiber
There is masking infra-red radiation ability outstanding at high temperature, further increase integrated board in high temperature resistance.
Basalt fibre heat insulation decoration integrated plate of the invention can be used below at 650 DEG C, and thermal coefficient is
The left and right 0.02W/ (mK), is three to five times of traditional inorganic heat insulation material, can greatly improve heat insulating effect and resistance to
High temperature insulating.
Specific embodiment
Principles and features of the present invention are described with reference to embodiments, the given examples are served only to explain the present invention,
It is not intended to limit the scope of the present invention.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer suggests
Condition carries out.Reagents or instruments used without specified manufacturer is the conventional products that can be obtained by commercially available purchase.
Embodiment 1:
The basalt fibre heat insulation decoration integrated plate of the present embodiment, comprising: insulating layer and finish coat；Wherein, the heat preservation
Layer includes: 20 parts of basalt fibre, 30 parts of carbon fiber, modified SiO by weight25 parts of aeroge, 100 parts of inorganic filler,
50 parts and 10 parts of auxiliary agent of adhesive.
Above-mentioned modified SiO2The aperture of aeroge is 10nm, is made by following steps:
(1) silester, ethyl alcohol and deionized water are mixed, is then 2 with hydrochloric acid conditioning solution pH value, and in 30 DEG C
15min is stirred under water bath condition, obtains silicon dioxide gel；By silicon dioxide gel with by four fourth of crystal whisker of hexa potassium titanate and zirconic acid
The mixed solution of ester mixes, and continues stirring and is 2 with salt acid for adjusting pH value, obtains complex sol；Then to the complex sol
It is 7 that middle dropwise addition ammonium hydroxide, which adjusts solution ph, and 60min is stirred under 50 DEG C of water bath conditions, stands, obtains plural gel；
Wherein, the molar ratio of the silester, ethyl alcohol and deionized water is 1:6:3；The silicon dioxide gel and institute
The mass ratio of mixed solution is stated as 1:1, in the mixed solution, the concentration of crystal whisker of hexa potassium titanate is 20wt%, tetrabutyl zirconate
Concentration be 30wt%；
(2) it is washed at normal temperature with the silester alcoholic solution that volume ratio is 60% and impregnates the plural gel, impregnated
20h, the ethyl orthosilicate alcoholic solution of replacement in every 4 hours；Then, solvent displacement is carried out with cyclopropane；
(3) with dehydrated alcohol, to step (2), treated, and plural gel is washed, dry at 40 DEG C after natural drying
4h is heat-treated 3h at 450 DEG C, and modified SiO is made2Aeroge.
The diameter of above-mentioned basalt fibre is 1 μm.
The diameter of above-mentioned carbon fiber is 1 μm.
Above-mentioned inorganic filler includes: diatomite；Adhesive includes: sodium metasilicate；Auxiliary agent includes: that polymer alumina and silane are even
Join agent, mass ratio 1:1.
The preparation method of the basalt fibre heat insulation decoration integrated plate of the present embodiment, comprising the following steps:
(I) basalt fibre, carbon fiber, modified SiO are weighed according to said ratio2Aeroge, inorganic filler, adhesive and
Auxiliary agent will be made slurry according to the solid-liquid ratio that mass ratio is 1:4 after basalt fibre and carbon fiber shearing, then be added and be modified
SiO2Aeroge and inorganic filler stir evenly, and are eventually adding adhesive and auxiliary agent stirs evenly, stratification.
(II) it takes sediment in step (I) to form in flat plate mold, then dries, insulating layer is made；
(III) finish coat is made on the surface of the insulating layer, obtains basalt fibre heat insulation decoration integrated plate.
Finish coat is that production method is referred to usual manner progress, such as can be with direct spraying finish coat, can also be with
It is formed in a mold when keeping the temperature formable layer, then drying hardening together.
Embodiment 2:
The basalt fibre heat insulation decoration integrated plate of the present embodiment, comprising: insulating layer and finish coat；Wherein, the heat preservation
Layer includes: 40 parts of basalt fibre, 10 parts of carbon fiber, modified SiO by weight230 parts of aeroge, 60 parts of inorganic filler,
20 parts and 30 parts of auxiliary agent of adhesive.
Above-mentioned modified SiO2The aperture of aeroge is 20nm, is made by following steps:
(1) silester, ethyl alcohol and deionized water are mixed, is then 3 with hydrochloric acid conditioning solution pH value, and in 40 DEG C
10min is stirred under water bath condition, obtains silicon dioxide gel；By silicon dioxide gel with by four fourth of crystal whisker of hexa potassium titanate and zirconic acid
The mixed solution of ester mixes, and continues stirring and is 3 with salt acid for adjusting pH value, obtains complex sol；Then to the complex sol
It is 7.5 that middle dropwise addition ammonium hydroxide, which adjusts solution ph, and 45min is stirred under 65 DEG C of water bath conditions, stands, obtains plural gel；
Wherein, the molar ratio of the silester, ethyl alcohol and deionized water is 1:15:6；The silicon dioxide gel and institute
The mass ratio of mixed solution is stated as 1:2, in the mixed solution, the concentration of crystal whisker of hexa potassium titanate is 30wt%, tetrabutyl zirconate
Concentration be 20wt%；
(2) it is washed at normal temperature with the silester alcoholic solution that volume ratio is 80% and impregnates the plural gel, impregnated
For 24 hours, the ethyl orthosilicate alcoholic solution of replacement in every 4 hours；Then, solvent displacement is carried out with cyclopropane；
(3) with dehydrated alcohol, to step (2), treated, and plural gel is washed, dry at 60 DEG C after natural drying
3h is heat-treated 2h at 500 DEG C, and modified SiO is made2Aeroge.
The diameter of above-mentioned basalt fibre is 2 μm.
The diameter of above-mentioned carbon fiber is 2 μm.
Above-mentioned inorganic filler includes: white carbon black, diatomite, flyash, silica flour and expanded perlite；Adhesive includes:
Sodium metasilicate and silica solution；Auxiliary agent includes: polymer alumina and silane coupling agent.
When inorganic filler, adhesive and auxiliary agent are multicomponent, when not specified, can preferably it be adopted arbitrarily than mixing
With equal than mixing.
The preparation method of the basalt fibre heat insulation decoration integrated plate of the present embodiment, comprising the following steps:
(I) basalt fibre, carbon fiber, modified SiO are weighed according to said ratio2Aeroge, inorganic filler, adhesive and
Auxiliary agent will be made slurry according to the solid-liquid ratio that mass ratio is 1:6 after basalt fibre and carbon fiber shearing, then be added and be modified
SiO2Aeroge and inorganic filler stir evenly, and are eventually adding adhesive and auxiliary agent stirs evenly, stratification.
(II) it takes sediment in step (I) to form in flat plate mold, then dries, insulating layer is made；
(III) finish coat is made on the surface of the insulating layer, obtains basalt fibre heat insulation decoration integrated plate.
Embodiment 3:
The basalt fibre heat insulation decoration integrated plate of the present embodiment, comprising: insulating layer and finish coat；Wherein, the heat preservation
Layer includes: 25 parts of basalt fibre, 25 parts of carbon fiber, modified SiO by weight210 parts of aeroge, 90 parts of inorganic filler,
30 parts and 15 parts of auxiliary agent of adhesive.
Above-mentioned modified SiO2The aperture of aeroge is 15nm, is made by following steps:
(1) silester, ethyl alcohol and deionized water are mixed, is then 2.5 with hydrochloric acid conditioning solution pH value, and in 35 DEG C
Water bath condition under stir 12min, obtain silicon dioxide gel；By silicon dioxide gel with by crystal whisker of hexa potassium titanate and zirconic acid four
The mixed solution of butyl ester mixes, and continues stirring and is 2.5 with salt acid for adjusting pH value, obtains complex sol；Then to described compound
It is 7.3 that ammonium hydroxide is added dropwise in colloidal sol and adjusts solution ph, and 50min is stirred under 60 DEG C of water bath conditions, stands, obtains plural gel；
Wherein, the molar ratio of the silester, ethyl alcohol and deionized water is 1:10:5；The silicon dioxide gel and institute
The mass ratio of mixed solution is stated as 1:1.5, in the mixed solution, the concentration of crystal whisker of hexa potassium titanate is 25wt%, four fourth of zirconic acid
The concentration of ester is 25wt%；
(2) it is washed at normal temperature with the silester alcoholic solution that volume ratio is 70% and impregnates the plural gel, impregnated
For 24 hours, the ethyl orthosilicate alcoholic solution of replacement in every 4 hours；Then, solvent displacement is carried out with cyclopropane；
(3) with dehydrated alcohol, to step (2), treated, and plural gel is washed, dry at 50 DEG C after natural drying
3.5h is heat-treated 2.5h at 480 DEG C, and modified SiO is made2Aeroge.
The diameter of above-mentioned basalt fibre is 1.5 μm.
The diameter of above-mentioned carbon fiber is 1.5 μm.
Above-mentioned inorganic filler includes: flyash, silica flour and expanded perlite；Adhesive includes: sodium metasilicate and silica solution；
Auxiliary agent includes: polymer alumina and silane coupling agent.
The preparation method of the basalt fibre heat insulation decoration integrated plate of the present embodiment, comprising the following steps:
(I) basalt fibre, carbon fiber, modified SiO are weighed according to said ratio2Aeroge, inorganic filler, adhesive and
Auxiliary agent will be made slurry according to the solid-liquid ratio that mass ratio is 1:5 after basalt fibre and carbon fiber shearing, then be added and be modified
SiO2Aeroge and inorganic filler stir evenly, and are eventually adding adhesive and auxiliary agent stirs evenly, stratification.
(II) it takes sediment in step (I) to form in flat plate mold, then dries, insulating layer is made；
(III) finish coat is made on the surface of the insulating layer, obtains basalt fibre heat insulation decoration integrated plate.
Embodiment 4:
The present embodiment is substantially the same manner as Example 3, and difference is insulating layer difference.
The insulating layer of the basalt fibre heat insulation decoration integrated plate of the present embodiment includes: basalt fibre by weight
35 parts, 15 parts of carbon fiber, modified SiO225 parts of aeroge, 70 parts of inorganic filler, 40 parts of adhesive and 25 parts of auxiliary agent.
Embodiment 5:
The present embodiment is substantially the same manner as Example 3, and difference is insulating layer difference.
The insulating layer of the basalt fibre heat insulation decoration integrated plate of the present embodiment includes: insulating layer and finish coat；Wherein, institute
Stating insulating layer includes: 30 parts of basalt fibre, 20 parts of carbon fiber, modified SiO by weight220 parts of aeroge, inorganic filler
80 parts, 35 parts of adhesive and 20 parts of auxiliary agent.
Comparative example 1:
This comparative example is existing heat insulation decoration integrated plate.
Comparative example 2:
This comparative example is substantially the same manner as Example 5, and difference is in insulating layer without adding modified SiO2Aeroge.
Comparative example 3:
This comparative example is substantially the same manner as Example 5, and difference is in insulating layer without addition carbon fiber.
Test example:
Performance detection carried out to above-described embodiment and comparative example, combustion rating according to GB8624-2006 standard detection, other
Performance indicator is shown in Table 1 referring to " inorganic fireproof heat insulating plate DB13/T1704-2013 used for building exterior wall " standard, testing result.
Table 1
As it can be seen from table 1 the basalt fibre heat insulation decoration integrated plate of the embodiment of the present invention is in room temperature and 650 DEG C of high temperature
Under thermal coefficient be below the existing insulation and decoration integrated plate of comparative example 1, show excellent heat insulating effect, and
Heat-resisting quantity；Meanwhile the compression strength and flexural strength of the embodiment of the present invention is also due to comparative example, and combustion rating reaches
To A1 grades.
Comparative example 5 and comparative example 2 are as can be seen that without being added modified SiO2The integrated board of aeroge, thermal coefficient
It is significantly raised, illustrate modified SiO2The addition of aeroge is conducive to improve the heat insulation property and heat-resisting quantity of integrated board,
And it is also beneficial to the raising of mechanical property.
Comparative example 5 and comparative example 3 can be seen that the integrated board that carbon fiber is not added, and thermal coefficient is also obvious
It increases, illustrates that the addition of carbon fiber is conducive to improve the heat insulation property and heat-resisting quantity of integrated board, and be also beneficial to power
Learn the raising of performance.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of basalt fibre heat insulation decoration integrated plate characterized by comprising insulating layer and finish coat；Wherein, the guarantor
Warm layer includes: 20-40 parts of basalt fibre, 10-30 parts of carbon fiber, modified SiO by weight2It is 5-30 parts of aeroge, inorganic
60-100 parts of filler, 20-50 parts of adhesive and 10-30 parts of auxiliary agent.
2. basalt fibre heat insulation decoration integrated plate according to claim 1, which is characterized in that the insulating layer includes:
By weight, basalt fibre 25-35 parts, 15-25 parts of carbon fiber, modified SiO210-25 parts of aeroge, inorganic filler 70-
90 parts, 30-40 parts of adhesive and 15-25 parts of auxiliary agent.
3. basalt fibre heat insulation decoration integrated plate according to claim 2, which is characterized in that the insulating layer includes:
By weight, 30 parts of basalt fibre, 20 parts of carbon fiber, modified SiO220 parts of aeroge, 80 parts of inorganic filler, adhesive 35
Part and 20 parts of auxiliary agent.
4. basalt fibre heat insulation decoration integrated plate according to claim 1, which is characterized in that the modified SiO2Airsetting
The aperture of glue is 10-20nm, is made by following steps:
(1) silester, ethyl alcohol and deionized water are mixed, is then 2-3 with hydrochloric acid conditioning solution pH value, and in 30-40 DEG C
Water bath condition under stir 10-15min, obtain silicon dioxide gel；By silicon dioxide gel with by crystal whisker of hexa potassium titanate and zirconium
The mixed solution mixing of sour four butyl esters, continues stirring and is 2-3 with salt acid for adjusting pH value, obtain complex sol；Then to described
It is 7-7.5 that ammonium hydroxide is added dropwise in complex sol and adjusts solution ph, and 45-60min is stirred under 50-65 DEG C of water bath condition, stands, obtains
To plural gel；
Wherein, the molar ratio of the silester, ethyl alcohol and deionized water is 1:(6-15): (3-6)；The silicon dioxide gel
It is 1:(1-2 with the mass ratio of the mixed solution), in the mixed solution, the concentration of crystal whisker of hexa potassium titanate is 20-30wt%,
The concentration of tetrabutyl zirconate is 20-30wt%；
(2) the silester alcoholic solution for being 60-80% with volume ratio washs at normal temperature impregnates the plural gel, impregnates 20-
For 24 hours, the ethyl orthosilicate alcoholic solution of replacement in every 4 hours；Then, solvent displacement is carried out with cyclopropane；
(3) with dehydrated alcohol, to step (2), treated, and plural gel is washed, dry at 40-60 DEG C after natural drying
3-4h is heat-treated 2-3h at 450-500 DEG C, and modified SiO is made2Aeroge.
5. basalt fibre heat insulation decoration integrated plate according to claim 1, which is characterized in that the diameter of basalt fibre
It is 1-2 μm.
6. basalt fibre heat insulation decoration integrated plate according to claim 1, which is characterized in that the diameter of carbon fiber is 1-
2μm。
7. basalt fibre heat insulation decoration integrated plate according to claim 1-6, which is characterized in that described inorganic
Filler includes: one of white carbon black, diatomite, flyash, silica flour and expanded perlite or multiple combinations；
Adhesive includes: one of sodium metasilicate and silica solution or multiple combinations；
Auxiliary agent includes: polymer alumina and silane coupling agent.
8. the preparation method of the described in any item basalt fibre heat insulation decoration integrated plates of claim 1-7, which is characterized in that packet
Include following steps:
(I) basalt fibre, carbon fiber, modified SiO are weighed according to said ratio2Aeroge, inorganic filler, adhesive and auxiliary agent,
Slurry is made in solid-liquid ratio after basalt fibre and carbon fiber shearing according to mass ratio for 1:(4-6), is then added and is modified
SiO2Aeroge and inorganic filler stir evenly, and are eventually adding adhesive and auxiliary agent stirs evenly, stratification；
(II) it takes sediment in step (I) to form in flat plate mold, then dries, insulating layer is made；
(III) finish coat is made on the surface of the insulating layer, obtains basalt fibre heat insulation decoration integrated plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910648430.7A CN110357566B (en) | 2019-07-18 | 2019-07-18 | Basalt fiber heat-insulation and decoration integrated board and preparation method thereof |
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| CN201910648430.7A CN110357566B (en) | 2019-07-18 | 2019-07-18 | Basalt fiber heat-insulation and decoration integrated board and preparation method thereof |
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| CN110357566A true CN110357566A (en) | 2019-10-22 |
| CN110357566B CN110357566B (en) | 2021-11-02 |
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