CN108609927A - Light thermal-insulation composite foam concrete - Google Patents
Light thermal-insulation composite foam concrete Download PDFInfo
- Publication number
- CN108609927A CN108609927A CN201810407113.1A CN201810407113A CN108609927A CN 108609927 A CN108609927 A CN 108609927A CN 201810407113 A CN201810407113 A CN 201810407113A CN 108609927 A CN108609927 A CN 108609927A
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- composite foam
- foam concrete
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to concrete and its preparing technical fields, and in particular to light thermal-insulation composite foam concrete, the light thermal-insulation composite foam concrete are made of the raw material of following parts by weight：30~60 parts by weight of lightweight aggregate, 10~25 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 montmorillonite, 3~8 parts by weight of waste old grain, 3~8 parts by weight of graphene oxide, 2~10 parts by weight of alumina silicate fibre, 1~8 parts by weight of silane coupling agent, 1~5 parts by weight of maleic anhydride, 0.5~2 parts by weight of surfactant, 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 thermal-insulation composite foam concrete of the present invention has the characteristics that light-weight, intensity is high, and the composite foam concrete has the effect of insulated fire, it disclosure satisfy that construction industry to the requirement of light thermal-insulation composite foam concrete performance indicator, has a good application prospect.
Description
Technical field
The present invention relates to concrete and its preparing technical fields, and in particular to light thermal-insulation composite foam concrete.
Background technology
The most commonly used conventional lightweight heat-preserving composite foam concrete in industry and civil buildings at present, although intensity
(generally 20-30MPa) can substantially meet the requirement of building structure, but heavier.However, conventional lightweight heat preservation at present
Composite foam concrete and aerated light heat-preserving composite foam concrete belong to fragile material, it is easy to be generated because of contraction micro-
Crack even completely destroys.The intensity of lightweight light thermal-insulation composite foam concrete in the market is very low (general ＜ 5MPa), nothing
Method meets the requirement of building structure, can only do the partition wall or thermal insulation material of non-bearing.In addition, aerated light heat-preserving composite foam is mixed
Solidifying soil is highly brittle, it is easy to is crushed in work progress transporting.Therefore, preparing has the function of high-strength light, waterproof crack resistence
Light-weight foamed heat-preserving composite foam concrete 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 light thermal-insulation composite foam coagulation is provided
Soil, it has the characteristics that light-weight, intensity is high, and the composite foam concrete has the effect of insulated fire, disclosure satisfy that and builds
Industry is built to the requirement of light thermal-insulation composite foam concrete performance indicator, is had a good application prospect.
To achieve the goals above, the present invention provides a kind of light thermal-insulation composite foam concrete, by following parts by weight
Raw material be made：30~60 parts by weight of lightweight aggregate, 10~25 parts by weight of flyash, 15~35 parts by weight of cement, fine sand 15~30
Parts by weight, 5~12 parts by weight of diatomite, 3~15 parts by weight of montmorillonite, 3~8 parts by weight of waste old grain, graphene oxide 3~
8 parts by weight, 2~10 parts by weight of alumina silicate fibre, 1~8 parts by weight of silane coupling agent, 1~5 parts by weight of maleic anhydride, surface are lived
0.5~2 parts by weight of property agent, 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 is multiple using flyash, cement, fine sand, montmorillonite, diatomite and aglite
Cooperation is aggregate, improves the interior porosity of light thermal-insulation composite foam concrete, and it is mixed to significantly reduce light thermal-insulation composite foam
The elasticity modulus of soil is coagulated, while reducing the bulk density and mass density of light thermal-insulation composite foam concrete, there is lighting
The characteristics of.The addition of aluminium silicate fiber peacekeeping graphene oxide can significantly improve the crack resistance of light thermal-insulation composite foam concrete
Can and intensity, while reducing the thermal coefficient of concrete material, achieve the effect that heat preservation, heat-insulated；And the material component of the present invention
Mostly industrial waste can reduce pollution of the trade waste to environment.
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 thermal-insulation composite foam concrete, is made of the raw material of following parts by weight：Lightweight aggregate
30~60 parts by weight, 10~25 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 montmorillonite, 3~8 parts by weight of waste old grain, 3~8 parts by weight of graphene oxide, alumina silicate fibre
2~10 parts by weight, 1~8 parts by weight of silane coupling agent, 1~5 parts by weight of maleic anhydride, 0.5~2 parts by weight of surfactant, hair
1~3 parts by weight of infusion, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents.
It is described light under optimum condition in order to further increase the intensity of the lightweight light thermal-insulation composite foam concrete
Vacuum composite foam concrete is made of the raw material of following parts by weight：40~50 parts by weight of lightweight aggregate, flyash 15~20
Parts by weight, 20~30 parts by weight of cement, 20~25 parts by weight of fine sand, 8~10 parts by weight of diatomite, 5~12 parts by weight of montmorillonite,
3~8 parts by weight of waste old grain, 3~8 parts by weight of graphene oxide, 3~8 parts by weight of alumina silicate fibre, silane coupling agent 2~5
Parts by weight, 1~5 parts by weight of maleic anhydride, 0.5~2 parts by weight of surfactant, 1~3 parts by weight of foaming agent, water-reducing agent 0.5~
1.5 parts by weight, 0~5 parts by weight of other auxiliary agents.It is furthermore preferred that the light thermal-insulation composite foam concrete, by following parts by weight
Several raw materials are made：42 parts by weight of lightweight aggregate, 18 parts by weight of flyash, 23 parts by weight of cement, 22 parts by weight of fine sand, diatomite 9
Parts by weight, 8 parts by weight of montmorillonite, 5 parts by weight of waste old grain, 5 parts by weight of graphene oxide, 6 parts by weight of alumina silicate fibre, silicon
3 parts by weight of alkane coupling agent, 2 parts by weight of maleic anhydride, 1 parts by weight of surfactant, 2 parts by weight of foaming agent, 1 weight of water-reducing agent
Part, 3 parts by weight of other auxiliary agents.
The present invention is compound as aggregate using flyash, cement, fine sand, montmorillonite, diatomite and aglite, improves light
The interior porosity of vacuum composite foam concrete significantly reduces the elasticity modulus of light thermal-insulation composite foam concrete, together
When reduce light thermal-insulation composite foam concrete bulk density and mass density, have the characteristics that lighting.
It can be reduced under conditions of not influencing light thermal-insulation composite foam concrete intensity gently by the way that aglite is added
The quality of vacuum composite foam concrete, under optimum condition, the lightweight aggregate is selected from clay haydite, float stone, polyethylene
At least one of plastics, expanded vermiculite；The grain size of the lightweight aggregate is 1~5mm.
Under optimum condition, the grain size of the rubber granule is 1~5mm.
It can be in light thermal-insulation composite foam concrete internal performance stomata, to further decrease by the way that foaming agent is added
The weight of light thermal-insulation composite foam concrete, under optimum condition, the foaming agent is aluminium powder, magnesium powder, zinc powder, hydrogen peroxide and pine
At least one of perfumed soap.
Under optimum condition, the surfactant is selected from dodecyl alcohol polyoxyethylene ether sodium sulfate, dodecyl sulphate
Ammonium, lauryl sodium sulfate, dodecyl benzene sulfonic acid, sodium secondary alkyl sulfonate, fatty alcohol sodium isethionate, N- lauroyl musculamines
At least one of sour sodium, coconut acyl methyl taurine sodium, α-sodium olefin sulfonate, dodecyl phosphide ester triethanolamine.
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.
Under optimum condition, the silane coupling agent is selected from γ-methacryloxypropyl trimethoxy silane, 3- methyl
Acryloxy trimethoxy silane, vinyltrimethoxysilane, N- β-(aminoethyl)-γ-aminopropyltrimethoxysilane,
γ-at least one of glycidyl ether oxygen propyl trimethoxy silicane and gamma-aminopropyl-triethoxy-silane.
In order to advanced optimize the comprehensive performance and workability of lightweight light thermal-insulation composite foam concrete, it is described its
Its auxiliary agent is selected from least one of foam stabilizer, hydrophober, water-retaining agent, early strength agent and retarder.Wherein, the foam stabilizer is ten
At least one of dialkyl benzene sulfonic acids sodium, polyacrylamide, odium stearate；The hydrophober is organosilicon moisture repellent, silane
At least one of base hydrophober, calcium stearate；The water-retaining agent, which is hydroxypropyl methyl cellulose ether or hydroxyethyl methyl, to be enhanced
Cellulose ether；The early strength agent is at least one of sodium aluminate, lithium carbonate, anhydrous sodium sulfate；The retarder be citric acid,
At least one of tartaric acid, sodium gluconate.
The present invention also provides a kind of preparation methods of the light thermal-insulation composite foam concrete, include the following steps：
(1) in water after mixing by alumina silicate fibre, silane coupling agent and maleic anhydride, it is protected at 80~120 DEG C
1~5h of temperature is then centrifuged for obtaining modified alumina silicate fibre after washing is dry；It then will modified alumina silicate fibre, graphene oxide
In water with surfactant, 5~8h is kept the temperature at 150~200 DEG C obtains graphene oxide/silicic acid after centrifuge washing drying
Aluminum fiber compound (rGo-ASF)；
(2) by lightweight aggregate, flyash, cement, fine sand, diatomite, montmorillonite, waste old grain and above-mentioned graphite oxide
Alkene/alumina silicate fibre compound (rGo-ASF) is uniformly mixed to obtain powders mixture under mechanical agitation；
(3) it is added in above-mentioned powders mixture after water-reducing agent and other auxiliary agents being uniformly dispersed in water, continues stirring 60
~150s obtains mixed slurry；Finally foaming agent is added in mixture slurry, stir evenly light thermal-insulation composite foam is mixed
Solidifying soil.
The present invention is modified alumina silicate fibre by silane coupling agent and maleic anhydride, draws on alumina silicate fibre surface
The functional group for entering high reaction activity improves the reactivity of alumina silicate fibre, then carries out compound, Neng Goujin with graphene again
One step improves the intensity and heat-insulating property of concrete.
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.
Embodiment 1
(1) by 6g alumina silicate fibres, 3g γ-methacryloxypropyl trimethoxy silane and 2g maleic anhydrides in water
In after mixing, keep the temperature 2h at 100 DEG C, be then centrifuged for obtaining modified alumina silicate fibre after washing is dry；Then it will be modified
Alumina silicate fibre, 5g graphene oxides and 1g N- lauroyl musculamine acid sodium in water, keep the temperature 6h at 180 DEG C, and centrifuge washing is dry
After dry, graphene oxide/alumina silicate fibre compound (rGo-ASF) is obtained；
5g 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 10g PEG400, it is stirred to react 1h at 100 DEG C, obtains modified rubber grain；
(2) by 22g clays haydite, 20g float stones, 18g flyash, 23g cement, 22g fine sands, 9g diatomite, 8g montmorillonites,
Above-mentioned modified rubber grain and above-mentioned graphene oxide/alumina silicate fibre compound (rGo-ASF) mix under mechanical agitation
It is uniform to obtain powders mixture；
(3) by 1g polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g dodecyls
Benzene sulfonic acid sodium salt, 0.5g calcium stearates, 0.5g hydroxyethyl methyl reinforcing fiber elements ether, 0.5g sodium aluminates and 0.5g sodium gluconates exist
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 2g dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Embodiment 2
(1) in water after mixing by 3g alumina silicate fibres, 2g vinyltrimethoxysilanes and 5g maleic anhydrides, exist
3h is kept the temperature at 100 DEG C, is then centrifuged for obtaining modified alumina silicate fibre after washing is dry；It then will modified alumina silicate fibre, 3g oxygen
Graphite alkene in water, 8h is kept the temperature at 160 DEG C and is aoxidized after centrifuge washing drying with 1g coconut acyl methyl taurines sodium
Graphene/silicon acid aluminum fiber compound (rGo-ASF)；
8g 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 10g PEG400, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) by 40g float stones, 20g polyethylene foams, 15g flyash, 30g cement, 30g fine sands, 12g diatomite,
15g montmorillonites, 8g modified rubbers grain and above-mentioned graphene oxide/alumina silicate fibre compound (rGo-ASF) are in mechanical agitation item
Powders mixture is uniformly mixed to obtain under part；
(3) by 1.5g by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g 12
Sodium alkyl benzene sulfonate, 1g calcium stearates, 1g hydroxyethyl methyl reinforcing fiber elements ether, 1g sodium aluminates and 1g sodium gluconates are in water
It is added after being uniformly dispersed in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 1g hydrogen peroxide
(5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Embodiment 3
In water by 8g alumina silicate fibres, 5g γ-methacryloxypropyl trimethoxy silane and 1g maleic anhydrides
After mixing, 1h is kept the temperature at 120 DEG C, is then centrifuged for obtaining modified alumina silicate fibre after washing is dry；Then by modified silicon
Sour aluminum fiber, 8g graphene oxides and 2g coconut acyl methyl taurines sodium in water, keep the temperature 5h at 200 DEG C, and centrifuge washing is dry
After dry, graphene oxide/alumina silicate fibre compound (rGo-ASF) is obtained；
3g 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 10g PEG400, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) by 30g expanded vermiculites, 20g float stones, 25g flyash, 20g cement, 15g fine sands, 8g diatomite, 5g montmorillonites,
Modified rubber grain and above-mentioned graphene oxide/alumina silicate fibre compound (rGo-ASF) are uniformly mixed under mechanical agitation
Obtain powders mixture；
(3) by 0.5g by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g 12
Sodium alkyl benzene sulfonate, 0.5g calcium stearates, 1g hydroxyethyl methyl reinforcing fiber elements ether, 0.5g sodium aluminates and 1g sodium gluconates exist
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 3g dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Embodiment 4
(1) 2g alumina silicate fibres, 1g N- β-(aminoethyl)-γ-aminopropyltrimethoxysilane and 1g maleic anhydrides are existed
In water after mixing, 5h is kept the temperature at 80 DEG C, is then centrifuged for obtaining modified alumina silicate fibre after washing is dry；Then it will be modified
Alumina silicate fibre, 3g graphene oxides and 0.5g dodecyl alcohol polyoxyethylene ether sodium sulfates in water, are kept the temperature at 150 DEG C
8h obtains graphene oxide/alumina silicate fibre compound (rGo-ASF) after centrifuge washing drying；
3g 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 10g PEG400, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) by 20g clays haydite, 20g float stones, 20g polyethylene foams, 20g flyash, 15g cement, 20g fine sands,
10g diatomite, 12g montmorillonites, modified rubber grain and above-mentioned graphene oxide/alumina silicate fibre compound (rGo-ASF) are in machine
Powders mixture is uniformly mixed to obtain under tool stirring condition；
(3) by 0.8g by polycarboxylate water-reducer (model PASP-Ca, be purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g 12
Sodium alkyl benzene sulfonate, 1g sodium aluminates and 1g sodium gluconates are added after being uniformly dispersed in water in above-mentioned powders mixture, continue
60~150s of stirring obtains mixed slurry；Finally 3g hydrogen peroxide (5wt%) is added in mixture slurry, stirs evenly to obtain lightweight
Heat-preserving composite foam concrete.
Embodiment 5
(1) in water after mixing by 10g alumina silicate fibres, 8g vinyltrimethoxysilanes and 5g maleic anhydrides,
1h is kept the temperature at 100 DEG C, is then centrifuged for obtaining modified alumina silicate fibre after washing is dry；It then will modified alumina silicate fibre, 8g
Graphene oxide in water, keeps the temperature 6h, centrifuge washing drying with 2g dodecyl alcohol polyoxyethylene ether sodium sulfates at 200 DEG C
Afterwards, graphene oxide/alumina silicate fibre compound (rGo-ASF) is obtained；
8g 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 10gPEG400, it is stirred to react 1h at 100 DEG C, obtains modified rubber；
(2) by 30g expanded vermiculites, 10g flyash, 35g cement, 25g fine sands, 5g diatomite, 3g montmorillonites, modified rubber
Grain and above-mentioned graphene oxide/alumina silicate fibre compound (rGo-ASF) are uniformly mixed that powder is mixed under mechanical agitation
Close object；
(3) 2g is disperseed 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 uniformly, continues 60~150s of stirring and obtain mixed slurry；Finally by 1.5g hydrogen peroxide
(5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Comparative example 1
(1) by 22g clays haydite, 20g float stones, 18g flyash, 23g cement, 22g fine sands, 9g diatomite, 8g montmorillonites,
5g waste olds grain and 6g alumina silicate fibres are uniformly mixed to obtain powders mixture under mechanical agitation；
(2) by 1g polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g dodecyls
Benzene sulfonic acid sodium salt, 0.5g calcium stearates, 0.5g hydroxyethyl methyl reinforcing fiber elements ether, 0.5g sodium aluminates and 0.5g sodium gluconates exist
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 2g dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Comparative example 2
(1) by 6g alumina silicate fibres, 3g γ-methacryloxypropyl trimethoxy silane and 2g maleic anhydrides in water
In after mixing, keep the temperature 2h at 100 DEG C, be then centrifuged for obtaining modified alumina silicate fibre after washing is dry；
5g 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 10g PEG400, it is stirred to react 1h at 100 DEG C, obtains modified rubber grain；
(2) by 22g clays haydite, 20g float stones, 18g flyash, 23g cement, 22g fine sands, 9g diatomite, 8g montmorillonites,
Above-mentioned modified rubber grain and above-mentioned modified alumina silicate fibre compound (rGo-ASF) are uniformly mixed to obtain powder under mechanical agitation
Expect mixture；
(3) by 1g polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g dodecyls
Benzene sulfonic acid sodium salt, 0.5g calcium stearates, 0.5g hydroxyethyl methyl reinforcing fiber elements ether, 0.5g sodium aluminates and 0.5g sodium gluconates exist
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 2g dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Comparative example 3
(1) by 6g alumina silicate fibres, 3g γ-methacryloxypropyl trimethoxy silane and 2g maleic anhydrides in water
In after mixing, keep the temperature 2h at 100 DEG C, be then centrifuged for obtaining modified alumina silicate fibre after washing is dry；Then it will be modified
Alumina silicate fibre, 5g graphene oxides and 1g N- lauroyl musculamine acid sodium in water, keep the temperature 6h at 180 DEG C, and centrifuge washing is dry
After dry, graphene oxide/alumina silicate fibre compound (rGo-ASF) is obtained；
(2) by 22g clays haydite, 20g float stones, 18g flyash, 23g cement, 22g fine sands, 9g diatomite, 8g montmorillonites,
5g waste olds grain and above-mentioned graphene oxide/alumina silicate fibre compound (rGo-ASF) mix under mechanical agitation
It is even to obtain powders mixture；
(3) by 1g polycarboxylate water-reducers (model PASP-Ca is purchased from Shandong Yuan Lian Chemical Co., Ltd.s), 1g dodecyls
Benzene sulfonic acid sodium salt, 0.5g calcium stearates, 0.5g hydroxyethyl methyl reinforcing fiber elements ether, 0.5g sodium aluminates and 0.5g sodium gluconates exist
It is added after being uniformly dispersed in water in above-mentioned powders mixture, continues 60~150s of stirring and obtain mixed slurry；Finally by 2g dioxygens
Water (5wt%) is added in mixture slurry, stirs evenly to obtain light thermal-insulation composite foam concrete.
Experimental example 1：The performance of light thermal-insulation composite foam concrete prepared by embodiment 1-5 is tested,
Experimental result is as shown in table 1.
The performance table of each light thermal-insulation composite foam concrete in table 1 embodiment 1-5 and comparative example 1-3
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 thermal-insulation composite foam concrete, which is characterized in that be made of the raw material of following parts by weight：Lightweight aggregate 30
~60 parts by weight, 10~25 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
Measure part, 3~15 parts by weight of montmorillonite, 3~8 parts by weight of waste old grain, 3~8 parts by weight of graphene oxide, alumina silicate fibre 2
~10 parts by weight, 1~8 parts by weight of silane coupling agent, 1~5 parts by weight of maleic anhydride, 0.5~2 parts by weight of surfactant, hair
1~3 parts by weight of infusion, 0.5~1.5 parts by weight of water-reducing agent, 0~5 parts by weight of other auxiliary agents.
2. light thermal-insulation composite foam concrete according to claim 1, which is characterized in that by the original of following parts by weight
Material is made：40~50 parts by weight of lightweight aggregate, 15~20 parts by weight of flyash, 20~30 parts by weight of cement, 20~25 weight of fine sand
Part, 8~10 parts by weight of diatomite, 5~12 parts by weight of montmorillonite, 3~8 parts by weight of waste old grain, 3~8 weight of graphene oxide
Measure part, 3~8 parts by weight of alumina silicate fibre, 2~5 parts by weight of silane coupling agent, 1~5 parts by weight of maleic anhydride, surfactant
0.5~2 parts by weight, 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.
3. light thermal-insulation composite foam concrete according to claim 2, which is characterized in that by the original of following parts by weight
Material is made：42 parts by weight of lightweight aggregate, 18 parts by weight of flyash, 23 parts by weight of cement, 22 parts by weight of fine sand, 9 parts by weight of diatomite,
It is 8 parts by weight of montmorillonite, 5 parts by weight of waste old grain, 5 parts by weight of graphene oxide, 6 parts by weight of alumina silicate fibre, silane coupled
It is 3 parts by weight of agent, 2 parts by weight of maleic anhydride, 1 parts by weight of surfactant, 2 parts by weight of foaming agent, 1 parts by weight of water-reducing agent, other
3 parts by weight of auxiliary agent.
4. light thermal-insulation composite foam concrete 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, expanded vermiculite.
5. light thermal-insulation composite foam concrete according to claim 1, which is characterized in that the silane coupling agent is selected from
γ-methacryloxypropyl trimethoxy silane, 3- methacryloxies trimethoxy silane, vinyl trimethoxy
Silane, N- β-(aminoethyl)-γ-aminopropyltrimethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane and γ-
At least one of aminopropyl triethoxysilane.
6. light thermal-insulation composite foam concrete 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 thermal-insulation composite foam concrete according to claim 1, which is characterized in that the water-reducing agent is selected from NF types
One kind in water-reducing agent, FDN types water-reducing agent, UNF-2 types water-reducing agent, AF types water-reducing agent, S types water-reducing agent and MF type water-reducing agents.
8. light thermal-insulation composite foam concrete 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 thermal-insulation composite foam concrete 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 |
|---|---|---|---|
| CN201810407113.1A CN108609927A (en) | 2018-05-02 | 2018-05-02 | Light thermal-insulation composite foam concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407113.1A CN108609927A (en) | 2018-05-02 | 2018-05-02 | Light thermal-insulation composite foam concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108609927A true CN108609927A (en) | 2018-10-02 |
Family
ID=63661808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810407113.1A Withdrawn CN108609927A (en) | 2018-05-02 | 2018-05-02 | Light thermal-insulation composite foam concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108609927A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574568A (en) * | 2019-01-24 | 2019-04-05 | 代营伟 | A kind of environment-friendly foaming high performance concrete and preparation method thereof |
| CN109912283A (en) * | 2019-04-23 | 2019-06-21 | 台州普立德建筑科技有限公司 | A kind of lightweight prefabricated components step plate |
| CN111943563A (en) * | 2019-05-16 | 2020-11-17 | 南京腾恒新材料有限公司 | High-performance compound cement retarder and preparation method thereof |
| CN111995326A (en) * | 2020-08-31 | 2020-11-27 | 重庆黑曜科技有限公司 | Light foamed concrete and preparation method thereof |
| CN113003977A (en) * | 2021-03-05 | 2021-06-22 | 南京派尼尔科技实业有限公司 | Composite internal curing shrinkage-reducing anti-cracking agent for concrete and production method thereof |
| 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 |
-
2018
- 2018-05-02 CN CN201810407113.1A patent/CN108609927A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574568A (en) * | 2019-01-24 | 2019-04-05 | 代营伟 | A kind of environment-friendly foaming high performance concrete and preparation method thereof |
| CN109574568B (en) * | 2019-01-24 | 2021-05-18 | 泰州市维华混凝土有限公司 | Environment-friendly foamed high-performance concrete and preparation method thereof |
| CN109912283A (en) * | 2019-04-23 | 2019-06-21 | 台州普立德建筑科技有限公司 | A kind of lightweight prefabricated components step plate |
| CN111943563A (en) * | 2019-05-16 | 2020-11-17 | 南京腾恒新材料有限公司 | High-performance compound cement retarder and preparation method thereof |
| 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 |
| CN111995326A (en) * | 2020-08-31 | 2020-11-27 | 重庆黑曜科技有限公司 | Light foamed concrete and preparation method thereof |
| CN111995326B (en) * | 2020-08-31 | 2022-04-08 | 重庆黑曜科技有限公司 | Light foamed concrete and preparation method thereof |
| CN113003977A (en) * | 2021-03-05 | 2021-06-22 | 南京派尼尔科技实业有限公司 | Composite internal curing shrinkage-reducing anti-cracking agent for concrete and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108609927A (en) | Light thermal-insulation composite foam concrete | |
| CN108675827A (en) | The preparation method of light thermal-insulation composite foam concrete | |
| CN105218146B (en) | A kind of low-density foamed concrete of heat preservation and soundproof | |
| KR101808663B1 (en) | Thermal Insulation Material and Method For Manufacturing Same | |
| CN108558295A (en) | A kind of light-high-strength concrete | |
| CN103011896B (en) | Foam concrete | |
| CN108529940A (en) | A kind of foamed concrete thermal insulation board | |
| CN101306934A (en) | Haydite aerated concrete block and method for manufacturing same | |
| CN108503285A (en) | A kind of preparation method of light-high-strength concrete | |
| CN106007782B (en) | Light porous self heat-preserving concrete building block and preparation method thereof | |
| CN104150951B (en) | Low-water-absorption foamed concrete and preparation method thereof | |
| CN108484211A (en) | A kind of preparation method of foamed concrete thermal insulation board | |
| CN108424167A (en) | A kind of preparation method of light-weight foam composite concrete wallboard | |
| CN108585925A (en) | A kind of self heat-preserving concrete building block | |
| CN110510974A (en) | A kind of efficient aeroge solid waste concrete and preparation method thereof | |
| CN109809783A (en) | A kind of autoclave aerated concrete building block | |
| CN106220067A (en) | A kind of slag fire-retardant heat insulation foam concrete and preparation method thereof | |
| CN109231905A (en) | A kind of composite foamed cement insulation board | |
| CN108794061B (en) | Foam concrete containing composite admixture and preparation method and application thereof | |
| CN113831074A (en) | Light sound-insulation terrace slurry containing polyurethane particles, preparation method and light sound-insulation terrace | |
| CN107089841A (en) | A kind of low-cost high-strength foam concrete and preparation method thereof | |
| CN110590279A (en) | Kitchen and bathroom backfill treasure and preparation method thereof | |
| CN108675725A (en) | A kind of thermal insulation material and its preparation method and application of Ultralight, low thermal conductivity | |
| CN108975817A (en) | A kind of thermal insulation mortar and preparation method thereof using desulfurized gypsum whisker reinforcement | |
| CN108675691A (en) | A kind of light-weight foam composite concrete wallboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181002 |