CN108314365A - A kind of foam concrete and preparation method thereof - Google Patents
A kind of foam concrete and preparation method thereof Download PDFInfo
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- CN108314365A CN108314365A CN201810104838.3A CN201810104838A CN108314365A CN 108314365 A CN108314365 A CN 108314365A CN 201810104838 A CN201810104838 A CN 201810104838A CN 108314365 A CN108314365 A CN 108314365A
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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
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2201/30—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Invention belongs to building material field, and in particular to a kind of foam concrete and preparation method thereof.It counts in parts by weight, raw material includes following components：70~90 parts of cement, 3~5 parts of perlites, 8~10 parts of attapulgites, 5~8 parts of anti-crack fiber swelling agents, 3~5 parts of precipitated calcium carbonates, 5~10 parts of activated sludge, 4~6 parts of natural emulsions, 0.1~0.3 part of blowing promotor, 1~3 part of surfactant, 0.3~0.5 portion of foam stabilizer and 30~35 parts of water, the foam concrete that the present invention is prepared, volume stability is good, it does not crack when condensation hardening, water resistance is strong, thermal coefficient is low, it is unified with fireproof with high-strength, heat preservation to realize lightweight, belongs to environment protecting thermal insulating energy-saving material.
Description
Technical field
The invention belongs to building material fields, and in particular to a kind of foam concrete and preparation method thereof.
Background technology
Material has lightweight, height used in being required with vigorously implementing for China's Building Energy Conservation Policy, in modern architecture
By force, heat preservation, heat-insulated, the sharp performances such as useless, energy saving.Foam concrete has above-mentioned performance as a kind of novel construction material,
Using increasingly extensive in modern construction engineering.
Currently, lightweight aggregate concrete has been widely used in industry and civil buildings and Other Engineering, mitigation structure is played
Dead weight, the anti-seismic performance for improving structure save material utilization amount, improve component conveying and lift efficiency, reduce foundation load and change
The benefits such as kind building function (insulation and fire resisting etc.).
Although foam concrete has a high-strength light, specific strength is high, and thermal coefficient is low, it is easy for construction the advantages that, but also have one
Secondary property pours low, the live bad control of density of height, and concrete easily stifled pump, loss of slump during pumping construction is big, mixed
Solidifying soil layering, and disposable the defects of looking for slope difficult.
The patent of Publication No. CN101928127A discloses a kind of super-light aggregate for long-distance homogeneous pumping construction
Concrete and preparation method thereof and pumping construction technique.For the super-light aggregate concrete of long-distance homogeneous pumping construction, it
It is prepared by water, cementitious material, fine aggregate, coarse aggregate and additive, wherein cementitious material is made of cement and flyash, slightly
Gather materials for Superlight ceramsites, fine aggregate is pottery sand, and additive is pumping admixture and water-reducing agent；The proportioning of each raw material is：Water 180~
250kg/m3, 160~250kg/m of cement3, 250~320kg/m of flyash3, 350~450kg/m of Superlight ceramsites3, pottery sand 300~
400kg/m3, 3.5~4.5kg/m of water-reducing agent3, 0.35~0.45kg/m of pumping admixture3.The super-light aggregate concrete that this method obtains
In pumping procedure, there is preferable working performance and homogeneity.The invention solves super-light aggregate concrete in pumping construction
The problems such as easily blocking up big pump, loss of slump, concrete delamination in the process.But the invention is found through engineering practice, super-light aggregate
The homogeneous effect of concrete is unstable, and has a long way to go from desired effect；The On The Floating of super-light aggregate does not obtain still
It effectively solves, and foam concrete weight weight, it is of high cost, it is dry to shrink greatly, easily wallboard is caused to crack, seriously affects its matter
Amount.
Invention content
The technical problems to be solved by the invention：For the dry of foam concrete shrink big, easily wallboard is caused to crack,
The problem of seriously affecting its quality provides a kind of foam concrete and preparation method thereof.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of foam concrete, it is characterised in that：It counts in parts by weight, including following components：70~90 parts of cement, 3~5
Part perlite, 8~10 parts of attapulgites, 5~8 parts of anti-crack fiber swelling agents, 3~5 parts of precipitated calcium carbonates, 5~10 parts of activity are dirty
Mud, 4~6 parts of natural emulsions, 0.1~0.3 part of blowing promotor, 1~3 part of surfactant, 0.3~0.5 portion of foam stabilizer and 30~
35 parts of water.
The blowing promotor is azodicarbonamide and urea in mass ratio 10：1 mixing.
The surfactant is neopelex, polyethoxylated fatty alcohols, dodecyl alcohol polyoxy second
One or more of alkene ether sodium sulfate.
The foam stabilizer is lecithin, fatty acid ethanol amide, polyvinyl alcohol, one kind in carboxymethyl cellulose or several
Kind.
The preparation method of the anti-crack fiber swelling agent：
(1) stalk is chosen, is added in carbonizer and carbonizes after crushing, carbonize stalk；
(2) it counts in parts by weight, chooses 10~15 parts of calcium aluminate clinkers, 10~15 parts of charing stalks, 1~3 part of oxygen respectively
Change magnesium, 1~3 part of calcium oxide, 4~6 parts of basalt fibres and 3~5 parts of discarded rock wools, is added in pulverizer and crushes, after crushing
Anti-crack fiber swelling agent.A kind of preparation method of foam concrete, specific preparation process are：
(1) by cement, perlite, attapulgite, anti-crack fiber swelling agent, precipitated calcium carbonate, activated sludge, surface-active
Agent and water mixing, are added in whisking machines and stir 10~20min, obtain mixture；
(2) natural emulsion and blowing promotor will be added in mixture, discharge after stirring 5~10min using homogenizer,
Obtain concrete slurry；
(3) by concrete slurry casting to die for molding, with mould under conditions of humidity 95%, 25 DEG C of temperature after molding
For 24 hours, demoulding continues maintenance 24~28 days, is put into drying box after the completion of maintenance, dry in 50~60 DEG C of baking ovens, does for maintenance
It can be obtained foam concrete after dry.
Compared with other methods, advantageous effects are the present invention：
(1) anti-crack fiber swelling agent is added in the present invention in foam concrete, which is by charing straw
The material mixings such as stalk, calcium aluminate clinker, basalt fibre form, and addition can make foam concrete internal shear in coagulation
Stress is effectively dissipated, and crack sustainable development, crack has been blocked to be effectively controlled；
(2) natural emulsion and blowing promotor is added in the present invention in concrete, will be added in concrete slurry and carry out quickly
Stirring, finally obtains foam concrete, due to adding natural emulsion in concrete, significantly increases the toughness of concrete, increases
The structural stability for having added concrete, to limit foam concrete drying shrink, efficiently solve partition wall batten it is easy to crack,
Shrink big problem；
(3) foam concrete that the present invention is prepared, volume stability is good, and condensation is not cracked when hardening, and water resistance is strong,
Thermal coefficient is low, realizes lightweight with high-strength, heat preservation in one, belongs to environment protecting thermal insulating energy-saving material.
Specific implementation mode
Step 1：Prepare anti-crack fiber swelling agent
(1) stalk is chosen, is added in carbonizer and carbonizes after crushing, carbonize stalk；
(2) it counts in parts by weight, chooses 10~15 parts of calcium aluminate clinkers, 10~15 parts of charing stalks, 1~3 part of oxygen respectively
Change magnesium, 1~3 part of calcium oxide, 4~6 parts of basalt fibres and 3~5 parts of discarded rock wools, is added in pulverizer and crushes, after crushing
Anti-crack fiber swelling agent.
Step 2：The proportioning of foam concrete raw material
Count in parts by weight, respectively choose 70~90 parts of cement, 3~5 parts of perlites, 8~10 parts of attapulgites, 5~8 parts
Anti-crack fiber swelling agent, 3~5 parts of precipitated calcium carbonates, 5~10 parts of activated sludge, 4~6 parts of natural emulsions, 0.1~0.3 part of foaming
Auxiliary agent, 1~3 part of surfactant, 0.3~0.5 portion of foam stabilizer and 30~35 parts of water.
The blowing promotor is azodicarbonamide and urea in mass ratio 10：1 mixing.
The surfactant is neopelex, polyethoxylated fatty alcohols, dodecyl alcohol polyoxy second
One or more of alkene ether sodium sulfate.
The foam stabilizer is lecithin, fatty acid ethanol amide, polyvinyl alcohol, one kind in carboxymethyl cellulose or several
Kind.
Step 3：Prepare foam concrete
(1) by cement, perlite, attapulgite, anti-crack fiber swelling agent, precipitated calcium carbonate, activated sludge, surface-active
Agent and water mixing, are added in whisking machines and stir 10~20min, obtain mixture；
(2) natural emulsion and blowing promotor will be added in mixture, discharge after stirring 5~10min using homogenizer,
Obtain concrete slurry；
(3) by concrete slurry casting to die for molding, with mould under conditions of humidity 95%, 25 DEG C of temperature after molding
For 24 hours, demoulding continues maintenance 24~28 days, is put into drying box after the completion of maintenance, dry in 50~60 DEG C of baking ovens, does for maintenance
It can be obtained foam concrete after dry.
Example 1
Step 1：Prepare anti-crack fiber swelling agent
(1) stalk is chosen, is added in carbonizer and carbonizes after crushing, carbonize stalk；
(2) it counts in parts by weight, chooses 10 parts of calcium aluminate clinkers, 10 parts of charing stalks, 1 part of magnesia, 1 part of oxidation respectively
Calcium, 4 parts of basalt fibres and 3 parts of discarded rock wools are added in pulverizer and crush, and anti-crack fiber swelling agent is obtained after crushing.
Step 2：The proportioning of foam concrete raw material
It counts in parts by weight, chooses 70 parts of cement, 3 parts of perlites, 8 parts of attapulgites, 5 parts of anti-crack fiber expansions respectively
Agent, 3 parts of precipitated calcium carbonates, 5 parts of activated sludge, 4 parts of natural emulsions, 0.1 part of blowing promotor, 1 part of surfactant, 0.3 part it is steady
Infusion and 30 parts of water.
The blowing promotor is azodicarbonamide and urea in mass ratio 10：1 mixing.
The surfactant is neopelex, polyethoxylated fatty alcohols, dodecyl alcohol polyoxy second
One or more of alkene ether sodium sulfate.
The foam stabilizer is lecithin, fatty acid ethanol amide, polyvinyl alcohol, one kind in carboxymethyl cellulose or several
Kind.
Step 3：Prepare foam concrete
(1) by cement, perlite, attapulgite, anti-crack fiber swelling agent, precipitated calcium carbonate, activated sludge, surface-active
Agent and water mixing, are added in whisking machines and stir 10min, obtain mixture；
(2) natural emulsion and blowing promotor will be added in mixture, discharges, obtains mixed after stirring 5min using homogenizer
Solidifying soil paste material；
(3) by concrete slurry casting to die for molding, with mould under conditions of humidity 95%, 25 DEG C of temperature after molding
For 24 hours, demoulding continues maintenance 24 days, is put into drying box after the completion of maintenance, dry in 50 DEG C of baking ovens, after dry for maintenance
Obtain foam concrete.Example 2
Step 1：Prepare anti-crack fiber swelling agent
(1) stalk is chosen, is added in carbonizer and carbonizes after crushing, carbonize stalk；
(2) it counts in parts by weight, chooses 13 parts of calcium aluminate clinkers, 13 parts of charing stalks, 2 parts of magnesia, 2 parts of oxidations respectively
Calcium, 5 parts of basalt fibres and 4 parts of discarded rock wools are added in pulverizer and crush, and anti-crack fiber swelling agent is obtained after crushing.
Step 2：The proportioning of foam concrete raw material
It counts in parts by weight, chooses 80 parts of cement, 4 parts of perlites, 9 parts of attapulgites, 6 parts of anti-crack fiber expansions respectively
Agent, 4 parts of precipitated calcium carbonates, 7 parts of activated sludge, 5 parts of natural emulsions, 0.2 part of blowing promotor, 2 parts of surfactants, 0.4 part it is steady
Infusion and 33 parts of water.
The blowing promotor is azodicarbonamide and urea in mass ratio 10：1 mixing.
The surfactant is neopelex, polyethoxylated fatty alcohols, dodecyl alcohol polyoxy second
One or more of alkene ether sodium sulfate.
The foam stabilizer is lecithin, fatty acid ethanol amide, polyvinyl alcohol, one kind in carboxymethyl cellulose or several
Kind.
Step 3：Prepare foam concrete
(1) by cement, perlite, attapulgite, anti-crack fiber swelling agent, precipitated calcium carbonate, activated sludge, surface-active
Agent and water mixing, are added in whisking machines and stir 15min, obtain mixture；
(2) natural emulsion and blowing promotor will be added in mixture, discharges, obtains mixed after stirring 7min using homogenizer
Solidifying soil paste material；
(3) by concrete slurry casting to die for molding, with mould under conditions of humidity 95%, 25 DEG C of temperature after molding
For 24 hours, demoulding continues maintenance 26 days, is put into drying box after the completion of maintenance, dry in 55 DEG C of baking ovens, after dry for maintenance
Obtain foam concrete.Example 3
Step 1：Prepare anti-crack fiber swelling agent
(1) stalk is chosen, is added in carbonizer and carbonizes after crushing, carbonize stalk；
(2) it counts in parts by weight, chooses 15 parts of calcium aluminate clinkers, 15 parts of charing stalks, 1 part of magnesia, 1 part of oxidation respectively
Calcium, 4 parts of basalt fibres and 3 parts of discarded rock wools are added in pulverizer and crush, and anti-crack fiber swelling agent is obtained after crushing.
Step 2：The proportioning of foam concrete raw material
It counts in parts by weight, chooses 90 parts of cement, 5 parts of perlites, 10 parts of attapulgites, 5 parts of anti-crack fiber expansions respectively
Agent, 3 parts of precipitated calcium carbonates, 5 parts of activated sludge, 4 parts of natural emulsions, 0.1 part of blowing promotor, 1 part of surfactant, 0.3 part it is steady
Infusion and 30 parts of water.
The blowing promotor is azodicarbonamide and urea in mass ratio 10：1 mixing.
The surfactant is neopelex, polyethoxylated fatty alcohols, dodecyl alcohol polyoxy second
One or more of alkene ether sodium sulfate.
The foam stabilizer is lecithin, fatty acid ethanol amide, polyvinyl alcohol, one kind in carboxymethyl cellulose or several
Kind.
Step 3：Prepare foam concrete
(1) by cement, perlite, attapulgite, anti-crack fiber swelling agent, precipitated calcium carbonate, activated sludge, surface-active
Agent and water mixing, are added in whisking machines and stir 10min, obtain mixture；
(2) natural emulsion and blowing promotor will be added in mixture, discharges, obtains mixed after stirring 5min using homogenizer
Solidifying soil paste material；
(3) by concrete slurry casting to die for molding, with mould under conditions of humidity 95%, 25 DEG C of temperature after molding
For 24 hours, demoulding continues maintenance 28 days, is put into drying box after the completion of maintenance, dry in 60 DEG C of baking ovens, after dry for maintenance
Obtain foam concrete.Comparative example：Certain commercially available foam concrete
Example 1~3 and comparative example are tested for the property, test result is as shown in table 1：
Table 1：
Claims (6)
1. a kind of foam concrete, it is characterised in that：It counts in parts by weight, including following components：70~90 parts of cement, 3~5 parts
Perlite, 8~10 parts of attapulgites, 5~8 parts of anti-crack fiber swelling agents, 3~5 parts of precipitated calcium carbonates, 5~10 parts of activated sludge,
4~6 parts of natural emulsions, 0.1~0.3 part of blowing promotor, 1~3 part of surfactant, 0.3~0.5 portion of foam stabilizer and 30~35 parts
Water.
2. a kind of foam concrete according to claim 1, it is characterised in that：The blowing promotor is two formyl of azo
Amine and urea in mass ratio 10：1 mixing.
3. a kind of foam concrete according to claim 1, it is characterised in that：The surfactant is dodecyl
One or more of benzene sulfonic acid sodium salt, polyethoxylated fatty alcohols, dodecyl alcohol polyoxyethylene ether sodium sulfate.
4. a kind of foam concrete according to claim 1, it is characterised in that：The foam stabilizer is lecithin, fat
One or more of acid diethanolamide, polyvinyl alcohol, carboxymethyl cellulose.
5. a kind of foam concrete according to claim 1, it is characterised in that：The preparation of the anti-crack fiber swelling agent
Method：
(1) stalk is chosen, is added in carbonizer and carbonizes after crushing, obtain charing stalk；
(2) count in parts by weight, respectively choose 10~15 parts of calcium aluminate clinkers, 10~15 parts charing stalks, 1~3 part of magnesia,
1~3 part of calcium oxide, 4~6 parts of basalt fibres and 3~5 parts of discarded rock wools are added in pulverizer and crush, and it is fine that cracking resistance is obtained after crushing
Tie up swelling agent.
6. a kind of preparation method of foam concrete, it is characterised in that：Specifically preparation process is：
(1) by cement, perlite, attapulgite, anti-crack fiber swelling agent, precipitated calcium carbonate, activated sludge, surfactant and
Water mixes, and is added in whisking machines and stirs 10~20min, obtains mixture；
(2) natural emulsion and blowing promotor will be added in mixture, discharges, obtains mixed after stirring 5~10min using homogenizer
Solidifying soil paste material；
(3) by concrete slurry casting to die for molding, after molding under conditions of humidity 95%, 25 DEG C of temperature curing in the mold
For 24 hours, it demoulds, continues maintenance 24~28 days, be put into drying box after the completion of maintenance, it is dry in 50~60 DEG C of baking ovens, after dry
It can be obtained foam concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104838.3A CN108314365A (en) | 2018-02-02 | 2018-02-02 | A kind of foam concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810104838.3A CN108314365A (en) | 2018-02-02 | 2018-02-02 | A kind of foam concrete and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108314365A true CN108314365A (en) | 2018-07-24 |
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| CN201810104838.3A Pending CN108314365A (en) | 2018-02-02 | 2018-02-02 | A kind of foam concrete and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947561A (en) * | 2018-09-18 | 2018-12-07 | 咸阳陶瓷研究设计院有限公司 | A kind of inorganic water-storage material multiple elements design pore-forming technique |
| CN109503014A (en) * | 2018-12-05 | 2019-03-22 | 江苏万邦新材料科技有限公司 | A kind of chemical blowing foam concrete foamer and preparation method thereof |
| CN109776054A (en) * | 2019-03-27 | 2019-05-21 | 陇东学院 | A kind of civil engineering foam concrete |
| CN110194622A (en) * | 2019-05-13 | 2019-09-03 | 浙江大东吴集团建设有限公司 | A kind of foamed concrete production technology |
| CN110372250A (en) * | 2019-08-06 | 2019-10-25 | 南京鑫垚新型建筑材料有限公司 | A kind of lightweight magnesium-based vegetable fibre board foaming agent and preparation method thereof |
| CN111677153A (en) * | 2020-04-30 | 2020-09-18 | 吴江笨鸟墙面科技有限公司 | Construction method of heat-insulating concrete wall |
-
2018
- 2018-02-02 CN CN201810104838.3A patent/CN108314365A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947561A (en) * | 2018-09-18 | 2018-12-07 | 咸阳陶瓷研究设计院有限公司 | A kind of inorganic water-storage material multiple elements design pore-forming technique |
| CN109503014A (en) * | 2018-12-05 | 2019-03-22 | 江苏万邦新材料科技有限公司 | A kind of chemical blowing foam concrete foamer and preparation method thereof |
| CN109776054A (en) * | 2019-03-27 | 2019-05-21 | 陇东学院 | A kind of civil engineering foam concrete |
| CN110194622A (en) * | 2019-05-13 | 2019-09-03 | 浙江大东吴集团建设有限公司 | A kind of foamed concrete production technology |
| CN110372250A (en) * | 2019-08-06 | 2019-10-25 | 南京鑫垚新型建筑材料有限公司 | A kind of lightweight magnesium-based vegetable fibre board foaming agent and preparation method thereof |
| CN110372250B (en) * | 2019-08-06 | 2022-04-08 | 南京鑫垚新型建筑材料有限公司 | Light magnesium-based plant fiberboard foaming agent and preparation method thereof |
| CN111677153A (en) * | 2020-04-30 | 2020-09-18 | 吴江笨鸟墙面科技有限公司 | Construction method of heat-insulating concrete wall |
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Application publication date: 20180724 |