CN108529940A - A kind of foamed concrete thermal insulation board - Google Patents
A kind of foamed concrete thermal insulation board Download PDFInfo
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- CN108529940A CN108529940A CN201810407099.5A CN201810407099A CN108529940A CN 108529940 A CN108529940 A CN 108529940A CN 201810407099 A CN201810407099 A CN 201810407099A CN 108529940 A CN108529940 A CN 108529940A
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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
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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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C04B2111/52—Sound-insulating materials
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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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to technical field of concrete, and in particular to a kind of foamed concrete thermal insulation board is made of the raw material of following parts by weight：25~45 parts by weight of flyash, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite, 3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of composite fibre, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, 1~3 parts by weight of the first foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；The composite fibre is made of following substance：10~30 parts by weight of polymer powder, 0.6~10 parts by weight of the second foaming agent, 5~15 parts by weight of alumina silicate fibre.The foamed concrete thermal insulation board of the present invention has the characteristics that light-weight, intensity is high, good weatherability.
Description
Technical field
The present invention relates to concrete and its preparing technical fields, and in particular to a kind of foamed concrete thermal insulation board.
Background technology
Building energy conservation is to realize the very important one side of low-carbon economy.China will continue greatly within very long one period
Power carries out building energy conservation emission reduction, Development of Green Building and circular economy, and construction material greenization will be as wherein developing
Main way.The most commonly used normal concrete thermal insulation board in industry and civil buildings at present, although intensity (generally 20-
The requirement of building structure can 30MPa) be substantially met, but it is heavier.
A variety of excellent performances possessed by foam concrete, such as light, anti-flaming thermal-insulation, heat preservation and soundproof performance are good, can adjust
The characteristics of saving indoor humidity conforms exactly to the requirement of construction material greenization, along with foam concrete can largely use industry
Waste residue, production and construction is convenient, and the performances such as cheap impart its higher cost performance and economic efficient latent.However, at present
Normal concrete thermal insulation board and air entrained concrete thermal insulation board belong to fragile material, it is easy to microcrack are generated because of contraction, very
It is destroyed to complete, and is transporting and be easy to be crushed in work progress.The intensity of lightweight concrete thermal insulation board in the market is very low
(general ＜ 5MPa), cannot be satisfied the requirement of building structure, can only do the partition wall or thermal insulation material of non-bearing.Therefore, tool is prepared
Light-high-strength, sound-insulating function foam concrete heat-preserving plate be urgent needs.
Invention content
It is of the existing technology the purpose of the invention is to overcome the problems, such as, a kind of foamed concrete thermal insulation board is provided, it
With light-weight, intensity is high, and the feature that heat preservation and soundproof effect is excellent.
To achieve the goals above, the present invention provides a kind of foamed concrete thermal insulation board, by the raw material of following parts by weight
It is made：25~45 parts by weight of flyash, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite,
3~15 parts by weight of precipitated calcium carbonate, 3~12 parts by weight of composite fibre, 15~48 parts by weight of lightweight aggregate, 3~8 weight of waste old grain
Measure part, 1~3 parts by weight of the first foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The composite fibre is made of following substance：10~30 parts by weight of polymer powder, 0.6~10 weight of the second foaming agent
Measure part, 5~15 parts by weight of alumina silicate fibre.
Through the above technical solutions, alumina silicate fibre, the second foaming agent are uniformly mixed with polymer powder in the present invention
Afterwards, it is reacted, to form polymeric layer in the outer surface of alumina silicate fibre, the foaming agent in polymeric layer is in fire-bar
Formed foam porous under part, to form compound porous fiber, on the one hand which can reduce concrete system
Quality, on the other hand can also stop the transmission of sound and heat, play the role of sound-insulating and heat-insulating, in addition, by silicic acid
Aluminum fiber composite porous polymer layer, can reduce the brittleness of alumina silicate fibre, to improve the intensity of composite fibre, further
Improve the intensity of concrete.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of foamed concrete thermal insulation board, is made of the raw material of following parts by weight：Flyash 25~45
Parts by weight, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite, 3~15 weight of precipitated calcium carbonate
Measure part, 3~12 parts by weight of composite fibre, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, the first foaming agent 1
~3 parts by weight, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The composite fibre is made of following substance：10~30 parts by weight of polymer powder, 0.6~10 weight of the second foaming agent
Measure part, 5~15 parts by weight of alumina silicate fibre.
Under optimum condition, the foamed concrete thermal insulation board is made of the raw material of following parts by weight：Flyash 30~
40 parts by weight, 20~30 parts by weight of cement, 20~25 parts by weight of fine sand, 6~10 parts by weight of diatomite, precipitated calcium carbonate 5~12
Parts by weight, 5~10 parts by weight of composite fibre, 20~45 parts by weight of lightweight aggregate, 3~6 parts by weight of waste old grain, the first foaming agent
1~3 parts by weight, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；The composite fibre is by following substance system
At：20~24 parts by weight of polymer powder, 2~6 parts by weight of the second foaming agent, 8~12 parts by weight of alumina silicate fibre.
The present invention also provides a kind of preparation methods of the foamed concrete thermal insulation board, include the following steps：
(1) alumina silicate fibre, polymer powder and the second foaming agent are placed in water, the ultrasonic reaction at 80~100 DEG C
Then 30~45min calcines 10~15min at 200~220 DEG C, obtains composite fibre；
(2) by flyash, cement, fine sand, diatomite, precipitated calcium carbonate, lightweight aggregate, compound porous fiber and waste old
Powders mixture is uniformly mixed to obtain under mechanical agitation；
(3) be added in above-mentioned powders mixture after water-reducing agent, other auxiliary agents being uniformly dispersed in water, continue stirring 60~
150s obtains mixed slurry；Finally the first foaming agent is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 20~60% of mold volumes amount, mold is covered
It is tamping, infusion pending, which generates bubble, makes mix expand, and is full of mold, stands 1 hour, and mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then conserved.
In the present invention after mixing by alumina silicate fibre, the second foaming agent and polymer powder, it is reacted, thus
The outer surface of alumina silicate fibre forms polymeric layer, the foaming agent in polymeric layer formed in a heated condition it is foam porous,
To form compound porous fiber, on the one hand which can reduce the quality of concrete system, on the other hand also
The transmission that can stop sound and heat, plays the role of sound-insulating and heat-insulating, in addition, by the compound porous polymerization of alumina silicate fibre
Nitride layer can reduce the brittleness of alumina silicate fibre, to improve the intensity of composite fibre, further increase the intensity of concrete.
By mixing the second foaming agent with polymer powder, the polymer fiber containing foaming agent, foaming agent warp are generated
After pyrolytic, hole is formed inside polymer fiber, therefore, foaming agent is the important component to form polymeric inner gap
One of, under preferable case, second foaming agent is selected from 4,4- oxobenzenesulfonyl hydrazide, azodicarbonamide, N ,-two nitrous of N '
At least one of five methine tetramine of base.
Under optimum condition, the polymer powder is selected from Kynoar, polyethylene terephthalate, polyarylate, gathers
At least one of vinyl acetate, nylon 6, polymethyl methacrylate, polyaniline, polyethylene glycol oxide, polyvinylpyrrolidone.
Concrete insulation board can be reduced by the way that aglite is added under conditions of not influencing concrete insulation board intensity
Quality, under optimum condition, the lightweight aggregate is in clay haydite, float stone, polyethylene foams, castor-oil plant bar straw and sawdust
At least one.
Under optimum condition, the grain size of the rubber granule is 1~5mm.
It can be in concrete insulation board internal performance stomata, to further decrease concrete by the way that the first foaming agent is added
The weight of thermal insulation board, under optimum condition, the foaming agent is at least one in aluminium powder, magnesium powder, zinc powder, hydrogen peroxide and rosin soap
Kind.
Under optimum condition, the water-reducing agent is selected from NF types water-reducing agent, FDN types water-reducing agent, UNF-2 types water-reducing agent, AF types and subtracts
One kind in aqua, S types water-reducing agent and MF type water-reducing agents.
In order to advanced optimize the comprehensive performance and workability of lightweight concrete thermal insulation board, other auxiliary agents are selected from
At least one of foam stabilizer, hydrophober, water-retaining agent, early strength agent and retarder.Wherein, the foam stabilizer is detergent alkylate sulphur
At least one of sour sodium, polyacrylamide, odium stearate；The hydrophober is organosilicon moisture repellent, silylation hydrophober, hard
At least one of resin acid calcium；The water-retaining agent is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl reinforcing fiber element ether；Institute
It is at least one of sodium aluminate, lithium carbonate, anhydrous sodium sulfate to state early strength agent；The retarder is citric acid, tartaric acid, grape
At least one of sodium saccharate.
By being modified to waste old, charged functional groups can be introduced on the surface of rubber granule, it is mixed with other raw materials
By interacting between charge after conjunction, its binding force is improved, it is described waste and old under optimum condition to improve the intensity of concrete
The modified technique of rubber is：Waste old grain is impregnated into 3~5h in the acid solution that pH is 6~6.5, obtains acidification rubber,
In water after mixing by acidification rubber and PEG 400, it is stirred to react 1~2h at 80~120 DEG C, obtains modified rubber.
The present invention also provides a kind of lightweight insulating concrete thermal insulation boards, by above-mentioned light thermal-insulation composite foam concrete system
At preparation process is to pour into above-mentioned concrete presoma in mold, and be with reach mold volumes amount 20~60%
Only, mold is covered and is tamping, infusion pending, which generates bubble, makes mix expand, and is full of mold, stands 1 hour, waits until that 6~8 is small
When after mix solidify and reach after strength of mould stripping i.e. collapsible die, then conserved.
Under optimum condition, the maintenance process is with 80 DEG C of steam curing 1~16 day or natural curing 28 days, until material
Reach design strength；Or it is heated at 60 DEG C, form removal after 3 hours；Or after form removal, concrete insulation board is cut into
The building block of various sizes or wallboard, then carry out steam curing or natural curing.
The present invention is compound as aggregate using flyash, cement, fine sand, montmorillonite, diatomite and aglite, improves mixed
The interior porosity of solidifying soil thermal insulation board, significantly reduces the elasticity modulus of concrete insulation board, while reducing concrete insulation board
Bulk density and mass density, have the characteristics that lighting.The addition of composite fibre can significantly improve concrete insulation board
Cracking resistance and intensity, while reducing the thermal coefficient of concrete material achieve the effect that heat preservation, heat-insulated.
Embodiment 1
(1) 22kg polyethylene terephthalate (Dupont, FR530-BK), 10kg aluminium silicate fiber peacekeepings 5kg 4 are taken,
4- oxobenzenesulfonyl hydrazide is placed in 100kg water, and then the ultrasonic reaction 45min at 80 DEG C, is then calcined at 200 DEG C
15min obtains composite fibre；
4kg waste olds grain is impregnated into 4h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 10kg maleic anhydrides, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg float stones (1~5mm), 10kg polyethylene foams, 8kg composite fibres and modified rubber are stirred in machinery
Powders mixture is uniformly mixed to obtain under the conditions of mixing；
(3) by polycarboxylate water-reducer (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) 1.2kg, 1kg 12
Sodium alkyl benzene sulfonate, 0.5kg calcium stearates, 0.5kg hydroxyethyl methyl reinforcing fiber elements ether, 0.5kg sodium aluminates and 0.5kg grapes
Sodium saccharate is added after being uniformly dispersed in water in above-mentioned powders mixture, is continued 60~150s of stirring and is obtained mixed slurry；Finally
2kg hydrogen peroxide (5wt%) is added in mixture slurry, concrete presoma is stirred evenly to obtain；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, until material reaches design strength to get to foamed concrete
Thermal insulation board.
Embodiment 2
(1) take 20kg Kynoar powder (U.S. Su Wei, 5130), 12kg aluminium silicate fiber peacekeepings 2kg 4,4- oxos double
Benzene sulfonyl hydrazide is placed in 150kg water, and then the ultrasonic reaction 30min at 100 DEG C, then calcines 15min at 200 DEG C, obtain
Composite fibre；
3kg waste olds grain is impregnated into 3h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 9kg maleic anhydrides, it is stirred to react 1h at 120 DEG C, obtains modified rubber；
(2) by 25kg flyash, 35kg cement, 15kg fine sands, 12kg diatomite, 5kg polyethylene foams (1~
5mm), 10kg castor-oil plant bars straw, 12kg composite fibres and modified rubber are uniformly mixed to obtain powders mixture under mechanical agitation；
(3) by 1.5kg by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg ten
Dialkyl benzene sulfonic acids sodium, 1kg calcium stearates, 1kg hydroxyethyl methyl reinforcing fiber elements ether, 1kg sodium aluminates and 1kg sodium gluconates
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；It is finally that 1kg is bis-
Oxygen water (5wt%) is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, until material reaches design strength to get to foamed concrete
Thermal insulation board.
Embodiment 3
(1) 24kg polyvinylpyrrolidonepowder powders (A Meisi, USP26), 8kg aluminium silicate fiber peacekeepings 6kg 4,4- oxos are taken
Double benzene sulfonyl hydrazides are placed in 150kg water, and then the ultrasonic reaction 45min at 80 DEG C, then calcines 10min at 220 DEG C, obtain
Composite fibre；
6kg waste olds grain is impregnated into 5h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 15kg maleic anhydrides, it is stirred to react 2h at 80 DEG C, obtains modified rubber；
(2) 45kg flyash, 15kg cement, 30kg fine sands, 5kg diatomite, 48kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 18kg float stones (1~5mm), 20kg polyethylene foams (1~5mm), 5kg composite fibres and modified rubber
Powders mixture is uniformly mixed to obtain under mechanical agitation；
(3) by 0.5kg by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg ten
Dialkyl benzene sulfonic acids sodium, 0.5kg calcium stearates, 1kg hydroxyethyl methyl reinforcing fiber elements ether, 0.5kg sodium aluminates and 1kg glucose
Sour sodium is added after being uniformly dispersed in water in above-mentioned powders mixture, is continued 60~150s of stirring and is obtained mixed slurry；Finally will
3kg hydrogen peroxide (5wt%) is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, until material reaches design strength to get to foamed concrete
Thermal insulation board.
Embodiment 4
(1) take 10kg polyethylene terephthalate (Dupont, FR530-BK), 5kg aluminium silicate fiber peacekeepings 0.6kg even
Nitrogen diformamide is placed in 80kg water, and then the ultrasonic reaction 45min at 100 DEG C, then calcines 15min at 200 DEG C, obtain
Composite fibre；
8kg waste olds grain is impregnated into 3h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 20kg maleic anhydrides, it is stirred to react 1.5h at 120 DEG C, obtains modified rubber；
(2) by 40kg flyash, 30kg cement, 20kg fine sands, 10kg diatomite, 5kg precipitated calcium carbonates, 10kg float stones (1
~5mm), 10kg polyethylene foams, 3kg composite fibres and modified rubber be uniformly mixed to obtain powder under mechanical agitation
Mixture；
(3) by 0.8kg by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1kg ten
Dialkyl benzene sulfonic acids sodium, 1kg sodium aluminates and 1kg sodium gluconates are added after being uniformly dispersed in water in above-mentioned powders mixture,
Continue 60~150s of stirring and obtains mixed slurry；Finally 1kg hydrogen peroxide (5wt%) is added in mixture slurry, is stirred evenly
Obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, until material reaches design strength to get to foamed concrete
Thermal insulation board.
Embodiment 5
(1) 30kg polyarylates (Japanese You Nika, U8400), 5kg aluminium silicate fiber peacekeeping 0.6kg N, N '-dinitrosos are taken
Five methine tetramines are placed in 60kg water, and then the ultrasonic reaction 30min at 80 DEG C, then calcines 10min at 220 DEG C, obtain
To composite fibre；
5kg waste olds grain is impregnated into 5h in the acid solution that pH is 6~6.5, acidification rubber is obtained, rubber will be acidified
In water after mixing with 10kg maleic anhydrides, it is stirred to react 2h at 100 DEG C, obtains modified rubber；
(2) 30kg flyash, 20kg cement, 25kg fine sands, 6kg diatomite, 12kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 15kg float stones (1~5mm), 15kg polyethylene foams, sawdust 5kg, composite fibre 10kg and modified rubber
Powders mixture is uniformly mixed to obtain under mechanical agitation；
(3) 2kg is divided polycarboxylate water-reducer in water (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s)
It is added in above-mentioned powders mixture after dissipating uniformly, continues 60~150s of stirring and obtain mixed slurry；Finally by 1.5kg hydrogen peroxide
(5wt%) is added in mixture slurry, stirs evenly to obtain concrete presoma；
(4) concrete presoma pours into mold, and until reaching the 50% of mold volumes amount, and mold is covered envelope
Tightly, it waits for that hydrogen peroxide generates bubble and mix is made to expand, is full of mold, stands 1 hour, mix solidifies simultaneously after 6~8 hours
Reach after strength of mould stripping i.e. collapsible die, then natural curing 28 days, until material reaches design strength to get to foamed concrete
Thermal insulation board.
Comparative example 1
(1) 4kg waste olds grain is impregnated into 4h in the acid solution that pH is 6~6.5, obtains acidification rubber, will be acidified
Rubber and 10kg maleic anhydrides after mixing, are stirred to react 1h at 100 DEG C, obtain modified rubber in water；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg float stones (1~5mm), 10kg polyethylene foams, 8kg composite fibres and modified rubber are stirred in machinery
Powders mixture is uniformly mixed to obtain under the conditions of mixing；
(3) by polycarboxylate water-reducer (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) 1.2kg, 1kg 12
Sodium alkyl benzene sulfonate, 0.5kg calcium stearates, 0.5kg hydroxyethyl methyl reinforcing fiber elements ether, 0.5kg sodium aluminates and 0.5kg grapes
Sodium saccharate is added after being uniformly dispersed in water in above-mentioned powders mixture, is continued 60~150s of stirring and is obtained mixed slurry；Finally
2kg hydrogen peroxide (5wt%) is added in mixture slurry, concrete presoma is stirred evenly to obtain；
(4) molding of concrete insulation board and maintaining process are the same as embodiment 1.
Comparative example 2
(1) 22kg polyethylene terephthalate (Dupont, FR530-BK), 10kg aluminium silicate fiber peacekeepings 5kg 4 are taken,
4- oxobenzenesulfonyl hydrazide is placed in 100kg water, and then the ultrasonic reaction 45min at 80 DEG C, is then calcined at 200 DEG C
15min obtains composite fibre；
(2) 35kg flyash, 25kg cement, 23kg fine sands, 8kg diatomite, 8kg precipitated calcium carbonates, 10kg clays are made pottery
Grain (1~5mm), 10kg float stones (1~5mm), 10kg polyethylene foams, 8kg composite fibres and modified rubber are stirred in machinery
Powders mixture is uniformly mixed to obtain under the conditions of mixing；
(3) by polycarboxylate water-reducer (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) 1.2kg, 1kg 12
Sodium alkyl benzene sulfonate, 0.5kg calcium stearates, 0.5kg hydroxyethyl methyl reinforcing fiber elements ether, 0.5kg sodium aluminates and 0.5kg grapes
Sodium saccharate is added after being uniformly dispersed in water in above-mentioned powders mixture, is continued 60~150s of stirring and is obtained mixed slurry；Finally
2kg hydrogen peroxide (5wt%) is added in mixture slurry, concrete presoma is stirred evenly to obtain；
(4) molding of concrete insulation board and maintaining process are the same as embodiment 1.
Experimental example 1：The performance of concrete insulation board prepared in embodiment 1-5 and comparative example 1-2 is tested, it is real
Test that the results are shown in Table 1.
The performance table of each concrete insulation board in table 1 embodiment 1-5 and comparative example 1-2
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In the skill of the present invention
In art conception range, technical scheme of the present invention can be carried out a variety of simple variants, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to
Protection scope of the present invention.
Claims (9)
1. a kind of foamed concrete thermal insulation board, which is characterized in that be made of the raw material of following parts by weight：25~45 weight of flyash
Measure part, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 parts by weight of diatomite, 3~15 weight of precipitated calcium carbonate
Part, 3~12 parts by weight of composite fibre, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, the first foaming agent 1~3
Parts by weight, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The composite fibre is made of following substance：10~30 parts by weight of polymer powder, 0.6~10 weight of the second foaming agent
Part, 5~15 parts by weight of alumina silicate fibre.
2. foamed concrete thermal insulation board according to claim 1, which is characterized in that by the raw material system of following parts by weight
At：It is 30~40 parts by weight of flyash, 20~30 parts by weight of cement, 20~25 parts by weight of fine sand, 6~10 parts by weight of diatomite, light
5~12 parts by weight of matter calcium carbonate, 5~10 parts by weight of composite fibre, 20~45 parts by weight of lightweight aggregate, 3~6 weight of waste old grain
Part, 1~3 parts by weight of the first foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents；
The composite fibre is made of following substance：20~24 parts by weight of polymer powder, 2~6 parts by weight of the second foaming agent, silicon
8~12 parts by weight of sour aluminum fiber.
3. foamed concrete thermal insulation board according to claim 2, which is characterized in that second foaming agent is selected from 4,4- oxygen
Generation double benzene sulfonyl hydrazide, azodicarbonamide, N, at least one of N '-dinitrosopentamethlyene tetramines.
4. foamed concrete thermal insulation board according to claim 1, which is characterized in that the polymer powder, which is selected from, gathers inclined fluorine
Ethylene, polyethylene terephthalate, polyarylate, polyvinyl acetate, nylon 6, polymethyl methacrylate, polyaniline, polyoxy
Change at least one of ethylene, polyvinylpyrrolidone.
5. foamed concrete thermal insulation board according to claim 1, which is characterized in that the lightweight aggregate be selected from clay haydite,
At least one of float stone, polyethylene foams, castor-oil plant bar straw and sawdust.
6. foamed concrete thermal insulation board according to claim 1, which is characterized in that first foaming agent be selected from aluminium powder,
At least one of magnesium powder, zinc powder, hydrogen peroxide and rosin soap.
7. foamed concrete thermal insulation board according to claim 1, which is characterized in that other auxiliary agents be selected from foam stabilizer,
At least one of hydrophober, water-retaining agent, early strength agent and retarder.
8. foamed concrete thermal insulation board according to claim 1, which is characterized in that the foam stabilizer is detergent alkylate sulphur
At least one of sour sodium, polyacrylamide, odium stearate；
The hydrophober is at least one of organosilicon moisture repellent, silylation hydrophober, calcium stearate；
The water-retaining agent is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl reinforcing fiber element ether；.
9. foamed concrete thermal insulation board according to claim 1, which is characterized in that the early strength agent is sodium aluminate, carbonic acid
At least one of lithium, anhydrous sodium sulfate；
The retarder is at least one of citric acid, tartaric acid, sodium gluconate.
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| CN201810407099.5A CN108529940A (en) | 2018-05-02 | 2018-05-02 | A kind of foamed concrete thermal insulation board |
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| CN201810407099.5A CN108529940A (en) | 2018-05-02 | 2018-05-02 | A kind of foamed concrete thermal insulation board |
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Cited By (8)
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| CN110981311A (en) * | 2019-12-24 | 2020-04-10 | 梁春梅 | Foam concrete insulation board and preparation method thereof |
| CN111410472A (en) * | 2019-12-11 | 2020-07-14 | 孙明晶 | White mud autoclaved aerated concrete and preparation method thereof |
| CN111533511A (en) * | 2020-05-08 | 2020-08-14 | 江门市新会区金裕新型墙体有限公司 | High-strength heat-preservation autoclaved aerated building block |
| CN111689727A (en) * | 2020-04-30 | 2020-09-22 | 吴江笨鸟墙面科技有限公司 | Preparation method of foam concrete thermal insulation brick |
| WO2021180309A1 (en) | 2020-03-10 | 2021-09-16 | Wacker Chemie Ag | Processes for producing foamed concrete |
| CN113956013A (en) * | 2020-07-21 | 2022-01-21 | 上海轩辕展览服务有限公司 | Heat-insulating lightweight concrete material and preparation method thereof |
| WO2022237960A1 (en) | 2021-05-10 | 2022-11-17 | Wacker Chemie Ag | Use of foam mortar as adhesive for floorings |
| WO2023193882A1 (en) | 2022-04-04 | 2023-10-12 | Wacker Chemie Ag | Mineral-based expanding foam |
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| CN1443727A (en) * | 2003-02-27 | 2003-09-24 | 穆桢子 | High-strength light concrete and its production method |
| CN107162530A (en) * | 2017-06-20 | 2017-09-15 | 合肥市淑芹美装饰工程有限公司 | A kind of thermal insulation mortar of antimildew and antibacterial and preparation method thereof |
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| CN1443727A (en) * | 2003-02-27 | 2003-09-24 | 穆桢子 | High-strength light concrete and its production method |
| CN107162530A (en) * | 2017-06-20 | 2017-09-15 | 合肥市淑芹美装饰工程有限公司 | A kind of thermal insulation mortar of antimildew and antibacterial and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410472A (en) * | 2019-12-11 | 2020-07-14 | 孙明晶 | White mud autoclaved aerated concrete and preparation method thereof |
| CN110981311A (en) * | 2019-12-24 | 2020-04-10 | 梁春梅 | Foam concrete insulation board and preparation method thereof |
| WO2021180309A1 (en) | 2020-03-10 | 2021-09-16 | Wacker Chemie Ag | Processes for producing foamed concrete |
| CN111689727A (en) * | 2020-04-30 | 2020-09-22 | 吴江笨鸟墙面科技有限公司 | Preparation method of foam concrete thermal insulation brick |
| CN111689727B (en) * | 2020-04-30 | 2024-05-24 | 吴江笨鸟墙面科技有限公司 | Preparation method of foam concrete heat-insulating brickwork |
| CN111533511A (en) * | 2020-05-08 | 2020-08-14 | 江门市新会区金裕新型墙体有限公司 | High-strength heat-preservation autoclaved aerated building block |
| CN113956013A (en) * | 2020-07-21 | 2022-01-21 | 上海轩辕展览服务有限公司 | Heat-insulating lightweight concrete material and preparation method thereof |
| WO2022237960A1 (en) | 2021-05-10 | 2022-11-17 | Wacker Chemie Ag | Use of foam mortar as adhesive for floorings |
| WO2023193882A1 (en) | 2022-04-04 | 2023-10-12 | Wacker Chemie Ag | Mineral-based expanding foam |
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