CN108675691A - A kind of light-weight foam composite concrete wallboard - Google Patents
A kind of light-weight foam composite concrete wallboard Download PDFInfo
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- CN108675691A CN108675691A CN201810407121.6A CN201810407121A CN108675691A CN 108675691 A CN108675691 A CN 108675691A CN 201810407121 A CN201810407121 A CN 201810407121A CN 108675691 A CN108675691 A CN 108675691A
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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
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- 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 present invention relates to concrete and its preparing technical fields, and in particular to a kind of light-weight foam composite concrete wallboard, the light-weight foam composite concrete wallboard are 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 amino modified silica, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain, 1~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents.The light-weight foam composite concrete wallboard of the present invention has the characteristics that light-weight, intensity is high, shock resistance is good, disclosure satisfy that construction industry to concrete performance index requirement, has preferable application prospect.
Description
Technical field
The present invention relates to concrete and its preparing technical fields, and in particular to a kind of light-weight foam composite concrete wallboard.
Background technology
In recent years, as the driving of Building Energy Conservation Policy, energy-saving building technology and energy-saving material have rapid development.It is mixed
Solidifying soil is the most commonly used construction material of construction industry, and with the development of economy with the progress of technology, people want construction material
It asks and is also continuously improved, not only require concrete that there is high intensity, durable requirement, and concrete should also meet lightweight, environmental protection
Requirement.The most commonly used normal concrete in industry and civil buildings at present, although intensity (generally 20-30MPa) energy
The requirement of building structure is enough substantially met, but it is heavier.However, at present normal concrete and air entrained concrete belong to it is crisp
Property material, it is easy to generate microcrack because of contraction, even completely destroy.The intensity very low (one of lightweight concrete in the market
As ＜ 5MPa), cannot be satisfied the requirement of building structure, the partition wall or thermal insulation material of non-bearing can only be done.In addition, aerating coagulation wall
Plate is highly brittle, it is easy to transport and work progress in be crushed, and cannot nailing on wallboard again.Therefore, preparing has lightweight high
By force, the foam concrete of waterproof crack resistence function is 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 light-weight foam complex coagulation cob wall is provided
Plate, it has, and light-weight, intensity is high, and shock resistance and excellent earthquake resistance disclosure satisfy that construction industry wants concrete performance index
It asks, has a good application prospect.
To achieve the goals above, the present invention provides a kind of light-weight foam composite concrete wallboard, by following parts by weight
Raw material be made：30~50 parts by weight of flyash, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, 5~12 weight of diatomite
It measures part, 3~15 parts by weight of amino modified silica, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, give up
3~8 parts by weight of old rubber granule, 1~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent,
0~5 parts by weight of other auxiliary agents.
Through the above technical solutions, the present invention uses flyash, cement, fine sand, amino modified silica and diatomite
It is compound to be used as aggregate, the interior porosity of concrete is improved, the elasticity modulus of concrete is significantly reduced, while reducing concrete
Bulk density and mass density, have the characteristics that lighting, can be on the surface of rubber granule by being modified to waste old
It introduces charged functional groups and its binding force is improved, by interacting between charge after being mixed with other raw materials to improve concrete
Shock resistance and anti-seismic performance can significantly improve the cracking resistance and intensity of concrete by the way that reinforcing fiber is added, polymerize chlorine
The intensity of concrete can be improved by changing aluminium.The present invention is adjusted by the mutual cooperation between each component, significantly reduces concrete panel
Mass density, improve the strong impact strength and anti-seismic performance of concrete panel, which can be widely applied to build
Build object enclosed structure and horizontal weighing structure.
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 light-weight foam composite concrete wallboard, is made of the raw material of following parts by weight：Flyash
30~50 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, amino modified dioxy
3~15 parts by weight of SiClx, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, 3~8 weight of waste old grain
Part, 1~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 weight of other auxiliary agents
Part.
In order to further increase the intensity of the lightweight concrete, under optimum condition, the light-weight foam composite concrete
Wallboard is made of the raw material of following parts by weight：35~45 parts by weight of flyash, 20~30 parts by weight of cement, fine sand 20~25
It is parts by weight, 6~10 parts by weight of diatomite, 5~12 parts by weight of amino modified silica, 5~10 parts by weight of aluminium polychloride, light
20~45 parts by weight of aggregate, 2~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, subtract 3~6 parts by weight of waste old grain
0.5~1.5 parts by weight of aqua, 0~5 parts by weight of other auxiliary agents.It is furthermore preferred that the light-weight foam composite concrete wallboard, by
The raw material of following parts by weight is made：40 parts by weight of flyash, 25 parts by weight of cement, 23 parts by weight of fine sand, 8 weight of diatomite
Part, 8 parts by weight of amino modified silica, 6 parts by weight of aluminium polychloride, 30 parts by weight of lightweight aggregate, 3~5 weight of waste old grain
Measure part, 5 parts by weight of reinforcing fiber, 2 parts by weight of foaming agent, 1.2 parts by weight of water-reducing agent, 3 parts by weight of other auxiliary agents.
The quality of concrete, preferred stripe can be reduced under conditions of not influencing concrete strength by the way that aglite is added
Under part, the lightweight aggregate in clay haydite, float stone, polyethylene foams, castor-oil plant bar straw and expanded vermiculite at least one
Kind；The grain size of the lightweight aggregate is 1~5mm.
Under optimum condition, the grain size of the rubber granule is 1~5mm.
The present invention, as one of aggregate, can be formed relatively strong using amino modified enough silica between other components
Binding force, to improve the intensity and shock resistance of concrete, under optimum condition, the grain of the amino modified silica
Diameter is 0.5~1mm.
By the way that reinforcing fiber is added in the present invention, the cracking resistance and intensity of concrete panel, optimum condition can be improved
Under, the reinforcing fiber in polypropylene fibre, poly fibre, glass fibre and alumina silicate fibre at least
It is a kind of.
It can be excellent to further decrease the quality of concrete in inside concrete performance stomata by the way that foaming agent is added
Under the conditions of choosing, the foaming agent is at least one of aluminium powder, magnesium powder, zinc powder, hydrogen peroxide and rosin soap.
Under optimum condition, the water-reducing agent is NF types or FDN types or UNF-2 types or AF types or S types or the efficient diminishing of MF types
Agent.
In order to advanced optimize the comprehensive performance and workability of lightweight concrete, other auxiliary agents are selected from foam stabilizing
At least one of agent, hydrophober, water-retaining agent, early strength agent and retarder.Wherein, the foam stabilizer is dodecyl benzene sulfonic acid
At least one of sodium, polyacrylamide, odium stearate；The hydrophober is organosilicon moisture repellent, silylation hydrophober, tristearin
At least one of sour calcium；The water-retaining agent is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl reinforcing fiber element ether；It is described
Early strength agent is at least one of sodium aluminate, lithium carbonate, anhydrous sodium sulfate；The retarder is citric acid, tartaric acid, glucose
At least one of sour sodium.
The present invention also provides a kind of preparation methods of the light-weight foam composite concrete wallboard, include the following steps：
(1) waste old grain in the acid solution that pH is 6~6.5 is impregnated into 3~5h, obtains acidification rubber, will be acidified
Rubber and maleic anhydride after mixing, are stirred to react 1~2h at 80~120 DEG C, obtain modified rubber in water；
(2) by 30~50 parts by weight of flyash, 15~35 parts by weight of cement, 15~30 parts by weight of fine sand, diatomite 5~12
Parts by weight, 3~15 parts by weight of amino modified silica, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate,
1~5 parts by weight of reinforcing fiber and modified rubber are uniformly mixed to obtain mixture under mechanical agitation；
(3) it is added after 0.5~1.5 parts by weight water-reducing agent, the other auxiliary agents of 0~5 parts by weight being uniformly dispersed in water above-mentioned
In mixture, continues 60~150s of stirring and obtain mixed slurry；Finally 1~3 parts by weight of blowing agent is added in mixture slurry,
Stir evenly to obtain concrete material presoma；
(4) concrete material presoma pours into mold, and until reaching the 20~60% of mold volumes amount, by mold
It covers and is tamping, infusion pending, which generates bubble, makes mix expand, and is full of mold, stands 1 hour, the mix after 6~8 hours
I.e. collapsible die is solidified and reached after strength of mould stripping, is then conserved.
Under optimum condition, the preparation method of the amino modified silica is：By positive tetrabutyl silicate pH be 10~
It is uniformly mixed in 12 sodium hydrate aqueous solution, 120~150min is then stood at 60~80 DEG C, centrifuge washing obtains nanometer
The nano silicon dioxide is uniformly mixed with Silane coupling agent KH550 in toluene, then at 100~120 DEG C by silica
5~8h of lower reflux.
Under optimum condition, the maintenance process is with 80 DEG C of steam curing 1~16 day, until material reaches design strength；
Or it is heated at 60 DEG C, form removal after 3 hours；Or after form removal, concrete is cut into building block or the wall of various sizes
Plate, then carry out steam curing or natural curing.
The present invention, as aggregate, is improved using flyash, cement, fine sand, amino modified silica and composite diatomite
The interior porosity of concrete panel, significantly reduces the elasticity modulus of concrete panel, while reducing the bulk density of concrete
And mass density, have the characteristics that lighting, by being modified to waste old, can introduce and charge on the surface of rubber granule
Its binding force improves, to improve the anti-of concrete panel by interacting between charge after being mixed with other raw materials in functional group
Impact and anti-seismic performance can significantly improve the cracking resistance and intensity of concrete wall, polymerize chlorine by the way that reinforcing fiber is added
The intensity of concrete can be improved by changing aluminium.The present invention is adjusted by the mutual cooperation between each component, significantly reduces concrete panel
Mass density, improve the strong impact strength and anti-seismic performance of concrete panel, which can be widely applied to build
Build object enclosed structure and horizontal weighing structure.
Embodiment 1
(1) 4 parts by weight waste old grains are impregnated into 4h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 10 parts by weight maleic anhydride in water after mixing, is stirred to react 1h at 100 DEG C, obtains modified rubber；
Positive tetrabutyl silicate is uniformly mixed in the sodium hydrate aqueous solution that pH is 10~12, is then stood at 60 DEG C
120min, centrifuge washing obtain nano silicon dioxide, and the nano silicon dioxide and Silane coupling agent KH550 are mixed in toluene
It closes uniformly, then flow back at 100~120 DEG C 6h, and it is 0.5mm to obtain grain size, and surface amino groups content is the amino of 0.6mmol/g
Improved silica；
(2) by 40 parts by weight of flyash, 25 parts by weight of cement, 23 parts by weight of fine sand, 8 parts by weight of diatomite, amino modified
8 parts by weight of silica, 6 parts by weight of aluminium polychloride, 10 parts by weight of clay haydite (1~5mm), 10 parts by weight of float stone (1~
5mm), 10 parts by weight of polyethylene foams, 5 parts by weight of polypropylene fibre and modified rubber mix under mechanical agitation
It is even to obtain mixture；
(3) by polycarboxylate water-reducer (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s) 1.2 parts by weight, 1 weight
Measure part neopelex, 0.5 parts by weight of calcium stearate, 0.5 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 0.5 weight
Above-mentioned powder China is added in amount part sodium aluminate and 0.5 parts by weight sodium gluconate after being uniformly dispersed in water, continue stirring 60~
150s obtains mixed slurry；Finally 2 parts by weight hydrogen peroxide (5wt%) are added in mixture slurry, stir evenly to obtain concrete
Material precursor；
(4) concrete material presoma pours into mold, and until reaching the 30% of mold volumes amount, mold is covered
It is tamping, waits for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then into natural curing 28 days.
Embodiment 2
(1) 3 parts by weight waste old grains are impregnated into 3h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 9 parts by weight maleic anhydride in water after mixing, is stirred to react 1h at 120 DEG C, obtains modified rubber；
Positive tetrabutyl silicate is uniformly mixed in the sodium hydrate aqueous solution that pH is 11~12, is then stood at 80 DEG C
150min, centrifuge washing obtain nano silicon dioxide, and the nano silicon dioxide and Silane coupling agent KH550 are mixed in toluene
It closes uniformly, then flow back at 120 DEG C 5h, and it is 1mm to obtain grain size, and surface amino groups content is amino modified the two of 0.8mmol/g
Silica；
(2) 35 parts by weight of flyash, 35 parts by weight of cement, 15 parts by weight of fine sand, 12 parts by weight of diatomite, polyethylene are steeped
5 parts by weight of foam plastics (1~5mm), 10 parts by weight of expanded vermiculite, 12 parts by weight of aluminium polychloride, poly fibre 1
Parts by weight and modified rubber are uniformly mixed to obtain mixture under mechanical agitation；
(3) by 1.5 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1
Parts by weight neopelex, 1 parts by weight of calcium stearate, 1 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 1 parts by weight
Above-mentioned powder China is added in sodium aluminate and 1 parts by weight sodium gluconate after being uniformly dispersed in water, continue 60~150s of stirring and obtain
To mixed slurry；Finally 1 parts by weight hydrogen peroxide (5wt%) is added in mixture slurry, stir evenly before concrete material
Drive body；
(4) concrete material presoma pours into mold, and until reaching the 20% of mold volumes amount, mold is covered
It is tamping, waits for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then into natural curing 28 days.
Embodiment 3
(1) 6 parts by weight waste old grains are impregnated into 5h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 15 parts by weight maleic anhydride in water after mixing, is stirred to react 2h at 80 DEG C, obtains modified rubber；
Positive tetrabutyl silicate is uniformly mixed in the sodium hydrate aqueous solution that pH is 10~11, is then stood at 70 DEG C
120min, centrifuge washing obtain nano silicon dioxide, and the nano silicon dioxide and Silane coupling agent KH550 are mixed in toluene
It closes uniformly, then flow back at 100 DEG C 8h, and it is 1mm to obtain grain size, and surface amino groups content is amino modified the two of 1.2mmol/g
Silica；
(2) by 45 parts by weight of flyash, 15 parts by weight of cement, 30 parts by weight of fine sand, 5 parts by weight of diatomite, amino modified
48 parts by weight of silica, 3 parts by weight of aluminium polychloride, 10 parts by weight of clay haydite (1~5mm), 18 parts by weight of float stone (1~
5mm), 20 parts by weight of expanded vermiculite (1~5mm), 5 parts by weight of poly fibre and modified rubber are in mechanical agitation item
Mixture is uniformly mixed to obtain under part；
(3) by 0.5 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1
Parts by weight neopelex, 0.5 parts by weight of calcium stearate, 1 parts by weight hydroxyethyl methyl reinforcing fiber element ether, 0.5 weight
Above-mentioned powder China is added in amount part sodium aluminate and 1 parts by weight sodium gluconate after being uniformly dispersed in water, continue stirring 60~
150s obtains mixed slurry；Finally 3 parts by weight hydrogen peroxide (5wt%) are added in mixture slurry, stir evenly to obtain concrete
Material precursor；
(4) concrete material presoma pours into mold, and until reaching the 60% of mold volumes amount, mold is covered
It is tamping, waits for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then into natural curing 28 days.
Embodiment 4
(1) 8 parts by weight waste old grains are impregnated into 3h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 20 parts by weight maleic anhydride in water after mixing, is stirred to react 1.5h at 120 DEG C, obtains being modified rubber
Glue；
Positive tetrabutyl silicate is uniformly mixed in the sodium hydrate aqueous solution that pH is 11, is then stood at 75 DEG C
120min, centrifuge washing obtain nano silicon dioxide, and the nano silicon dioxide and Silane coupling agent KH550 are mixed in toluene
It closes uniformly, then flow back at 120 DEG C 8h, and it is 0.5mm to obtain grain size, and surface amino groups content is the amino modified of 0.5mmol/g
Silica；
(2) by 30 parts by weight of flyash, 30 parts by weight of cement, 20 parts by weight of fine sand, 10 parts by weight of diatomite, amino modified
5 parts by weight of silica, 10 parts by weight of aluminium polychloride, 10 parts by weight of float stone (1~5mm), 10 weight of polyethylene foams
Part, 2 parts by weight of glass fibre and modified rubber are uniformly mixed to obtain mixture under mechanical agitation；
(3) by 0.8 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1
Parts by weight neopelex, 1 parts by weight sodium aluminate and 1 parts by weight sodium gluconate are added after being uniformly dispersed in water
Powder China is stated, continues 60~150s of stirring and obtains mixed slurry；1 parts by weight hydrogen peroxide (5wt%) is finally added to mixing
In slurry, concrete material presoma is stirred evenly to obtain；
(4) concrete material presoma pours into mold, and until reaching the 30% of mold volumes amount, mold is covered
It is tamping, waits for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then into natural curing 28 days.
Embodiment 5
(1) 5 parts by weight waste old grains are impregnated into 5h in the acid solution that pH is 6~6.5, obtains acidification rubber, it will
It is acidified rubber and 10 parts by weight maleic anhydride in water after mixing, is stirred to react 2h at 100 DEG C, obtains modified rubber；
Positive tetrabutyl silicate is uniformly mixed in the sodium hydrate aqueous solution that pH is 12, is then stood at 45 DEG C
150min, centrifuge washing obtain nano silicon dioxide, and the nano silicon dioxide and Silane coupling agent KH550 are mixed in toluene
It closes uniformly, then flow back at 110 DEG C 6h, and it is 1mm to obtain grain size, and surface amino groups content is amino modified the two of 0.8mmol/g
Silica；
(2) by 50 parts by weight of flyash, 20 parts by weight of cement, 25 parts by weight of fine sand, 6 parts by weight of diatomite, amino modified
2 parts by weight of silica 1,5 parts by weight of aluminium polychloride, 10 parts by weight of clay haydite (1~5mm), 15 parts by weight of float stone (1~
5mm), 15 parts by weight of polyethylene foams, 5 parts by weight of expanded vermiculite, 2 parts by weight of glass fibre, 3 parts by weight of alumina silicate fibre
Mixture is uniformly mixed to obtain under mechanical agitation with modified rubber；
(3) by 2 parts by weight by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s) in water
In be uniformly dispersed after above-mentioned powder China is added, continue 60~150s of stirring and obtain mixed slurry；Finally by 1.5 parts by weight dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain concrete material presoma；
(4) concrete material presoma pours into mold, and until reaching the 50% of mold volumes amount, mold is covered
It is tamping, waits for that hydrogen peroxide generates bubble and mix is made to expand, be full of mold, stand 1 hour, mix solidifies after 6~8 hours
And reach after strength of mould stripping i.e. collapsible die, then into natural curing 28 days.
Comparative example 1
According to the method for embodiment 1, the difference is that：Waste old is not modified.
Comparative example 2
According to the method for embodiment 1, the difference is that：Amino modified silica is substituted using silica.
Experimental example 1：The performance of concrete panel prepared by embodiment 1-5 and comparative example 1-2 is tested, experiment knot
Fruit is as shown in table 1.
The performance table of each concrete panel in table 1 embodiment 1-5 and comparative example 1-2
| Density rating/kg/m3 | Compression strength/MPa | Water absorption rate/% | |
| GB/T2542-2003 | GB/T29062-2012 | GB/T11970-1997 | |
| Embodiment 1 | 580 | 5.3 | 7.5 |
| Embodiment 2 | 650 | 5.8 | 7.6 |
| Embodiment 3 | 650 | 4.9 | 8.3 |
| Embodiment 4 | 700 | 4.5 | 8.5 |
| Embodiment 5 | 750 | 4.8 | 9.6 |
| Comparative example 1 | 600 | 3.1 | 11.0 |
| Comparative example 2 | 615 | 2.9 | 9.8 |
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 light-weight foam composite concrete wallboard, which is characterized in that be made of the raw material of following parts by weight：Flyash 30
~50 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, amino modified titanium dioxide
3~15 parts by weight of silicon, 3~12 parts by weight of aluminium polychloride, 15~48 parts by weight of lightweight aggregate, 3~8 parts by weight of waste old grain,
1~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents.
2. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that by the original of following parts by weight
Material is made：35~45 parts by weight of flyash, 20~30 parts by weight of cement, 20~25 parts by weight of fine sand, 6~10 weight of diatomite
It is part, 5~12 parts by weight of amino modified silica, 5~10 parts by weight of aluminium polychloride, 20~45 parts by weight of lightweight aggregate, waste and old
3~6 parts by weight of rubber granule, 2~5 parts by weight of reinforcing fiber, 1~3 parts by weight of foaming agent, 0.5~1.5 parts by weight of water-reducing agent, its
Its 0~5 parts by weight of auxiliary agent.
3. light-weight foam composite concrete wallboard according to claim 2, which is characterized in that by the original of following parts by weight
Material is made：40 parts by weight of flyash, 25 parts by weight of cement, 23 parts by weight of fine sand, 8 parts by weight of diatomite, amino modified titanium dioxide
8 parts by weight of silicon, 6 parts by weight of aluminium polychloride, 30 parts by weight of lightweight aggregate, 4 parts by weight of waste old grain, 5 parts by weight of reinforcing fiber,
2 parts by weight of foaming agent, 1.2 parts by weight of water-reducing agent, 3 parts by weight of other auxiliary agents.
4. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that the lightweight aggregate is selected from clay
At least one of haydite, float stone, polyethylene foams, castor-oil plant bar straw and expanded vermiculite；
The grain size of the lightweight aggregate is 1~5mm.
5. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that the reinforcing fiber is selected from poly-
At least one of tacryl, poly fibre, glass fibre and alumina silicate fibre.
6. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that the foaming agent be aluminium powder,
At least one of magnesium powder, zinc powder, hydrogen peroxide and rosin soap.
7. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that the amino modified titanium dioxide
The grain size of silicon is 0.1~1mm.
8. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that other auxiliary agents are selected from steady
At least one of infusion, hydrophober, water-retaining agent, early strength agent and retarder.
9. light-weight foam composite concrete wallboard according to claim 1, which is characterized in that the foam stabilizer is dodecane
At least one of base benzene sulfonic acid sodium salt, 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；
The early strength agent is at least one of sodium aluminate, lithium carbonate, anhydrous sodium sulfate；
The retarder is at least one of citric acid, tartaric acid, sodium gluconate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407121.6A CN108675691A (en) | 2018-05-02 | 2018-05-02 | A kind of light-weight foam composite concrete wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407121.6A CN108675691A (en) | 2018-05-02 | 2018-05-02 | A kind of light-weight foam composite concrete wallboard |
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| CN108675691A true CN108675691A (en) | 2018-10-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534746A (en) * | 2018-12-11 | 2019-03-29 | 重庆老顽固实业有限公司 | Toilet liquid foam backfilling material and preparation method thereof |
| CN113416032A (en) * | 2021-08-24 | 2021-09-21 | 南通惠雅建材科技有限公司 | Concrete wallboard |
| GB2613670A (en) * | 2021-12-13 | 2023-06-14 | Univ Inner Mongolia Technology | Antifreezing and high-ductility composite, and preparation method and use thereof |
-
2018
- 2018-05-02 CN CN201810407121.6A patent/CN108675691A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534746A (en) * | 2018-12-11 | 2019-03-29 | 重庆老顽固实业有限公司 | Toilet liquid foam backfilling material and preparation method thereof |
| CN113416032A (en) * | 2021-08-24 | 2021-09-21 | 南通惠雅建材科技有限公司 | Concrete wallboard |
| GB2613670A (en) * | 2021-12-13 | 2023-06-14 | Univ Inner Mongolia Technology | Antifreezing and high-ductility composite, and preparation method and use thereof |
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