CN107098624B - A kind of cement board and preparation method thereof - Google Patents
A kind of cement board and preparation method thereof Download PDFInfo
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- CN107098624B CN107098624B CN201710159546.5A CN201710159546A CN107098624B CN 107098624 B CN107098624 B CN 107098624B CN 201710159546 A CN201710159546 A CN 201710159546A CN 107098624 B CN107098624 B CN 107098624B
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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
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to cement technology fields, more particularly to a kind of cement board and preparation method thereof, mainly by 60-70 parts of cement, 10-15 parts of four sodium of iminodisuccinic acid, 10-15 parts of ethylenediaminetetraacetic acid dipotassium, 10-15 parts of potassium chromate, different humulone 5-10 parts of tetrahydro, 4, 5-10 parts of hydrazides diphenyl ether of 4- Erhuang, 4, 4'- is to 5-10 parts of sulfohydrazide diphenyl ether, 2-4 parts of sodium alkyl sulfate, 2-4 parts of sodium heavy alkyl benzene sulfonate, 0.3-0.5 parts of sodium polymethacrylate, 0.3-0.5 parts of amidosulfonic acid sodium, 2, 0.5-0.7 parts of 3- dyhydrobutanedioic acid, the raw materials such as 0.5-0.7 parts of calgon are made, it includes that raw material mixes that it, which is prepared, injection molding, maintenance, demoulding and etc., simple process, it is easy to operate.Cement board thermal coefficient of the invention is low, and light, water consumption is few, and the presetting period extends, and sufficiently, waterproof, heat preservation and soundproof effect are good for foaming.
Description
Technical field
The present invention relates to cement technology fields, and in particular to a kind of cement board and preparation method thereof.
Background technique
Foamed cement is at present ideal heat preservation and soundproof heat-insulating fire-proofing material in the more use of building field.Existing hair
Bubble cement technology has that setting rate is too fast leading to foaming effect difference, this will result directly in heat insulating effect decline,
Simultaneously and cavity interconnecting piece is tight, is easy to appear peeling
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of cement board and its preparation side
Method, thermal coefficient is low, and water consumption is few, and the presetting period extends, and foaming effect is good, has fine waterproof, heat preservation and soundproof effect.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of cement board is made of following raw material: 60-70 parts of cement, four sodium 10- of iminodisuccinic acid
15 parts, 10-15 parts of ethylenediaminetetraacetic acid dipotassium, 10-15 parts of potassium chromate, tetrahydro be humulone 5-10 parts different, 4,4- Erhuang hydrazides hexichol
5-10 parts of ether, 4,4'- are to 5-10 parts of sulfohydrazide diphenyl ether, 2-4 parts of sodium alkyl sulfate, 2-4 parts of sodium heavy alkyl benzene sulfonate, poly- first
0.3-0.5 parts of base sodium acrylate, 0.3-0.5 parts of amidosulfonic acid sodium, 0.5-0.7 parts of 2,3 dihydroxybutanedioic acid, calgon
0.5-0.7 parts and 30-40 parts of water.
Preferably, it is made of following raw material: 65 parts of cement, 13 parts of four sodium of iminodisuccinic acid, ethylenediamine tetraacetic
13 parts of acetic acid dipotassium, 13 parts of potassium chromate, 7 parts of the different humulone of tetrahydro, 7 parts of 4,4- Erhuang hydrazides diphenyl ether, 4,4'- are to sulfohydrazide hexichol
7 parts of ether, 3 parts of sodium alkyl sulfate, 3 parts of sodium heavy alkyl benzene sulfonate, 0.4 part of sodium polymethacrylate, 0.4 part of amidosulfonic acid sodium,
0.6 part of 2,3 dihydroxybutanedioic acid, 0.6 part of calgon and 35 parts of water.
The preparation method of cement board as described above, specifically includes the following steps:
(1) four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium, potassium chromate, fatty alcohol are accurately weighed by weight
Sodium sulphate, sodium heavy alkyl benzene sulfonate, sodium polymethacrylate, amidosulfonic acid sodium, 2,3 dihydroxybutanedioic acid and calgon
Stirring in blender is added, is uniformly mixed, obtains mixture A；
(2) cement is accurately weighed by weight to be added in the mixture A, is continued to be uniformly mixed, is obtained mixture
B；
(3) the different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether and 4,4'- are accurately weighed by weight to sulfohydrazide diphenyl ether
It is added in stirring container, is uniformly mixed, adds water, stir, foaming obtains expanding foam solution；
(4) expanding foam solution is added in the mixture B, adds remaining water, stirred, be uniformly mixed, starched
Material；
(5) slurry is injected in mold and continues the 5-7min that foams；
(6) it is stood after the completion of injection molding, carries out initial curing, obtain cement board blank；
(7) by cement board blank demoulding, cutting and maintenance, the cement board is obtained.
Preferably, the parts by weight that water is added in step (3) are 10-15 parts.
Preferably, the time of foaming described in step (3) is 5-7min.
Preferably, the time of stirring described in step (4) is 15-20min.
Preferably, the time of initial curing described in step (6) is 1-2 days.
Preferably, the time of maintenance described in step (7) is 5-7 days.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
Cement board of the invention by cement, four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium, potassium chromate,
The different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether, 4,4'- to sulfohydrazide diphenyl ether, sodium alkyl sulfate, sodium alkyl benzene sulfonate,
Sodium polymethacrylate, amidosulfonic acid sodium, 2,3- dyhydrobutanedioic acid and calgon are made, wherein iminodisuccinic acid
Four sodium, ethylenediaminetetraacetic acid dipotassium and potassium chromate are complexing agent, in four sodium of iminodisuccinic acid and ethylenediaminetetraacetic acid dipotassium
Containing the hydroxyl oxygen atom on N atom and carboxyl, and activity is stronger, the metal ions such as calcium, magnesium, iron in easy fracture and cement
The chelate that complex reaction generates cyclic structure occurs, complexing effect is good, and the chelate of cyclic structure is diffused into cement, filling
Cement hole enhances cement compactness, improves cement water-proof performance, and potassium chromate hydrolysis generates in chromate ion, with cement
Complex reaction occurs for the metal ions such as calcium, magnesium, iron, makes cement solidification, enhances strength of cement；The different humulone of tetrahydro, 4,4- Erhuang acyl
Hydrazine diphenyl ether and 4,4'- are chemical foaming agent to sulfohydrazide diphenyl ether, are added in cement and chemically react, and are generated a large amount of
Gas CO2、SO2And NO2, a large amount of uniform and stable bubbles are formed, the rate of closed hole of cement plate is improved, reduce thermal coefficient, so that hair
Sound insulation, heat preservation and the waterproof effect of soaked mud plate are improved, while also reducing the weight of cement board, and 4,4- bis-
Yellow hydrazides diphenyl ether and 4,4'- are symmetrical to the chemical structure of sulfohydrazide diphenyl ether, and adaptability is extensive, release during reducing foaming
Water, it is possible to reduce water consumption；Sodium alkyl sulfate and sodium alkyl benzene sulfonate are surfactants, and contained hydrophilic group and lipophilic group
Absorption property it is preferable, interfacial free energy is effectively reduced, increases the wettability of solids, is formed simultaneously electric double layer,
So that it is separate because of electrostatic repulsion between solid particle, so that cement is easier to be evenly distributed in water, it is effectively improved particle
Dispersibility；Contain carboxyl in sodium polymethacrylate, amidosulfonic acid sodium contains amido and sulfonic group, is high efficiency water reducing agent, subtracts
Few water consumption, saves water resource, while reducing the hole generated in cement by the evaporation of water, improves the cause of cement board
Close property improves waterproof performance；2,3- dyhydrobutanedioic acids and calgon are retarder, calgon solubility in water
It is larger, but solution rate is slow, generates insoluble calcium phosphate with calcium hydroxide reaction, hinders hydrated cementitious to carry out, 2,3- dihydroxy
A carbon atom contains hydroxyl and carboxyl simultaneously in succinic acid, has very strong polarity, is easily attracted on hyrate nucleus,
Crystallization continued growth is hindered, hyrate crystallization conversion process is effectively delayed and postponed, thus when effectively extending the condensation of cement
Between, foaming agent is sufficiently foamed, provides grace time to each reaction, and then preferably improve the comprehensive of cement board
Close performance.These substances are added in cement, and interaction is complemented each other, and compensation takes short, have effectively facilitated cement board
Waterproof, heat preservation and soundproof effect.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by specific embodiment below.
Embodiment 1
A kind of cement board is made of following raw material: 60 parts of cement, 10 parts of four sodium of iminodisuccinic acid,
10 parts of ethylenediaminetetraacetic acid dipotassium, 10 parts of potassium chromate, 5 parts of the different humulone of tetrahydro, 5 parts of 4,4- Erhuang hydrazides diphenyl ether, 4,4'- are to sulphur
5 parts of hydrazides diphenyl ether, 2 parts of sodium alkyl sulfate, 2 parts of sodium heavy alkyl benzene sulfonate, 0.3 part of sodium polymethacrylate, amidosulfonic acid
0.3 part of sodium, 0.5 part of 2,3 dihydroxybutanedioic acid, 0.5 part of calgon and 30 parts of water.
The expectation of said ratio is prepared into cement board using following methods, specifically includes the following steps:
(1) four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium, potassium chromate, fatty alcohol are accurately weighed by weight
Sodium sulphate, sodium heavy alkyl benzene sulfonate, sodium polymethacrylate, amidosulfonic acid sodium, 2,3 dihydroxybutanedioic acid and calgon
Stirring in blender is added, is uniformly mixed, obtains mixture A；
(2) cement is accurately weighed by weight to be added in the mixture A, is continued to be uniformly mixed, is obtained mixture
B；
(3) the different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether and 4,4'- are accurately weighed by weight to sulfohydrazide diphenyl ether
It is added in stirring container, is uniformly mixed, the water of 10 parts by weight is added, stirring, foam 5min, obtains expanding foam solution；
(4) expanding foam solution is added in the mixture B, adds remaining water, stir 15min, be uniformly mixed, obtain
To slurry；
(5) slurry is injected in mold and continues the 5min that foams；
(6) it is stood after the completion of injection molding, carries out initial curing 1 day, obtain cement board blank；
(7) by cement board blank demoulding, cutting and maintenance 5 days, the cement board is obtained.
Embodiment 2
A kind of cement board is made of following raw material: 65 parts of cement, 13 parts of four sodium of iminodisuccinic acid,
13 parts of ethylenediaminetetraacetic acid dipotassium, 13 parts of potassium chromate, 7 parts of the different humulone of tetrahydro, 7 parts of 4,4- Erhuang hydrazides diphenyl ether, 4,4'- are to sulphur
7 parts of hydrazides diphenyl ether, 3 parts of sodium alkyl sulfate, 3 parts of sodium heavy alkyl benzene sulfonate, 0.4 part of sodium polymethacrylate, amidosulfonic acid
0.4 part of sodium, 0.6 part of 2,3 dihydroxybutanedioic acid, 0.6 part of calgon and 35 parts of water.
The expectation of said ratio is prepared into cement board using following methods, specifically includes the following steps:
(1) four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium, potassium chromate, fatty alcohol are accurately weighed by weight
Sodium sulphate, sodium heavy alkyl benzene sulfonate, sodium polymethacrylate, amidosulfonic acid sodium, 2,3 dihydroxybutanedioic acid and calgon
Stirring in blender is added, is uniformly mixed, obtains mixture A；
(2) cement is accurately weighed by weight to be added in the mixture A, is continued to be uniformly mixed, is obtained mixture
B；
(3) the different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether and 4,4'- are accurately weighed by weight to sulfohydrazide diphenyl ether
It is added in stirring container, is uniformly mixed, the water of 13 parts by weight is added, stirring, foam 6min, obtains expanding foam solution；
(4) expanding foam solution is added in the mixture B, adds remaining water, stir 17min, be uniformly mixed, obtain
To slurry；
(5) slurry is injected in mold and continues the 6min that foams；
(6) it is stood after the completion of injection molding, carries out initial curing 1.5 days, obtain cement board blank；
(7) by cement board blank demoulding, cutting and maintenance 6 days, the cement board is obtained.
Embodiment 3
A kind of cement board is made of following raw material: 70 parts of cement, 15 parts of four sodium of iminodisuccinic acid,
15 parts of ethylenediaminetetraacetic acid dipotassium, 15 parts of potassium chromate, 10 parts of the different humulone of tetrahydro, 10 parts, 4,4'- pairs of diphenyl ether of 4,4- Erhuang hydrazides
10 parts of sulfohydrazide diphenyl ether, 4 parts of sodium alkyl sulfate, 4 parts of sodium heavy alkyl benzene sulfonate, 0.5 part of sodium polymethacrylate, amido sulphur
0.5 part of sour sodium, 0.7 part of 2,3 dihydroxybutanedioic acid, 0.7 part of calgon and 40 parts of water.
The expectation of said ratio is prepared into cement board using following methods, specifically includes the following steps:
(1) four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium, potassium chromate, fatty alcohol are accurately weighed by weight
Sodium sulphate, sodium heavy alkyl benzene sulfonate, sodium polymethacrylate, amidosulfonic acid sodium, 2,3 dihydroxybutanedioic acid and calgon
Stirring in blender is added, is uniformly mixed, obtains mixture A；
(2) cement is accurately weighed by weight to be added in the mixture A, is continued to be uniformly mixed, is obtained mixture
B；
(3) the different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether and 4,4'- are accurately weighed by weight to sulfohydrazide diphenyl ether
It is added in stirring container, is uniformly mixed, the water of 15 parts by weight is added, stirring, foam 7min, obtains expanding foam solution；
(4) expanding foam solution is added in the mixture B, adds remaining water, stir 20min, be uniformly mixed, obtain
To slurry；
(5) slurry is injected in mold and continues the 7min that foams；
(6) it is stood after the completion of injection molding, carries out initial curing 2 days, obtain cement board blank；
(7) by cement board blank demoulding, cutting and maintenance 7 days, the cement board is obtained.
Cement board is had excellent performance in order to further illustrate the present invention, has carried out many experiments, and to foamed cement
Plate carries out multiple performance detection, and the detection specification and detection method of each foamed cement plate sample are all the same, and experimental result is such as
Shown in table 1.
1st group: for the raw material that cement board uses for cement, foaming water is prepared according to the embodiment of the present invention 1 in other
Mud plate.
2nd group: the raw material that cement board uses is cement, the different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether and 4,4'-
To sulfohydrazide diphenyl ether, cement board is prepared according to the embodiment of the present invention 1 in other.
3rd group: the raw material that cement board uses is cement, four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium
And potassium chromate, cement board is prepared according to the embodiment of the present invention 1 in other.
4th group: the raw material that cement board uses for cement, sodium alkyl sulfate and sodium alkyl benzene sulfonate, other according to
Cement board is prepared in the embodiment of the present invention 1.
5th group: the raw material that cement board uses for cement, sodium polymethacrylate and amidosulfonic acid sodium, other according to
Cement board is prepared in the embodiment of the present invention 1.
6th group: for cement, 2,3- dyhydrobutanedioic acid and calgon, other are pressed the raw material that cement board uses
Cement board is prepared according to the embodiment of the present invention 1.
7th group: the embodiment of the present invention 1.
8th group: the embodiment of the present invention 2.
9th group: the embodiment of the present invention 3.
The performance detection of 1 cement board of table
As can be known from Table 1, compared by the 1st group to the 5th group it is found that joined foaming in the 2nd group of cement board
Agent, so that manufactured cement board weight is most light, thermal coefficient is minimum, joined complexing in the 3rd group of cement board
Agent joined surfactant in 4th group of cement board, make so that manufactured cement board impermeability is best
Cement board particle made of obtaining is uniformly dispersed, and dispersion performance is good, joined water-reducing agent in the 5th group of cement board,
So that manufactured cement board water consumption is minimum, retarder joined in the 6th group of cement board, so that manufactured hair
Soaked mud plate presetting period longest, but decrease compared with the embodiment of the present invention 1, in conclusion hair of the invention
Soaked mud plate formula is best, and obtained cement board is light, and thermal coefficient is low, has good heat insulation effect, water consumption
It is few, water resource is effectively reduced, strength of cement is increased, impermeability is best, and the presetting period extends, so that foamed cement is sent out as far as possible
It finishing entirely, foaming effect is good, waterproof, heat preservation and the soundproof effect of cement board are effectively facilitated, and as raw material dosage increases,
The comprehensive performance of cement board is better.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (8)
1. a kind of cement board, which is characterized in that be made of following raw material: 60-70 parts of cement, imino-diacetic amber
Sour 10-15 parts of four sodium, 10-15 parts of ethylenediaminetetraacetic acid dipotassium, 10-15 parts of potassium chromate, tetrahydro be humulone 5-10 parts different, 4,4- Erhuang
5-10 parts of hydrazides diphenyl ether, 4,4'- are to 5-10 parts of sulfohydrazide diphenyl ether, 2-4 parts of sodium alkyl sulfate, sodium heavy alkyl benzene sulfonate 2-
4 parts, 0.3-0.5 parts of sodium polymethacrylate, 0.3-0.5 parts of amidosulfonic acid sodium, 0.5-0.7 parts of 2,3 dihydroxybutanedioic acid, six
0.5-0.7 parts of sodium metaphosphate and 30-40 parts of water.
2. cement board according to claim 1, which is characterized in that be made of following raw material: 65 parts of cement,
13 parts of four sodium of iminodisuccinic acid, 13 parts of ethylenediaminetetraacetic acid dipotassium, 13 parts of potassium chromate, 7 parts of the different humulone of tetrahydro, 4,4- Erhuang
7 parts of hydrazides diphenyl ether, 4,4'- are to 7 parts of sulfohydrazide diphenyl ether, 3 parts of sodium alkyl sulfate, 3 parts of sodium heavy alkyl benzene sulfonate, poly- methyl
0.4 part of sodium acrylate, 0.4 part of amidosulfonic acid sodium, 0.6 part of 2,3 dihydroxybutanedioic acid, 0.6 part of calgon and 35 parts of water.
3. the preparation method of cement board described in any one of -2 according to claim 1, which is characterized in that specifically include with
Lower step:
(1) four sodium of iminodisuccinic acid, ethylenediaminetetraacetic acid dipotassium, potassium chromate, fatty alcohol sulphuric acid are accurately weighed by weight
Sodium, sodium heavy alkyl benzene sulfonate, sodium polymethacrylate, amidosulfonic acid sodium, 2,3 dihydroxybutanedioic acid and calgon are added
Stirring in blender, is uniformly mixed, obtains mixture A；
(2) cement is accurately weighed by weight to be added in the mixture A, is continued to be uniformly mixed, is obtained mixture B；
(3) the different humulone of tetrahydro, 4,4- Erhuang hydrazides diphenyl ether and 4,4'- is accurately weighed by weight sulfohydrazide diphenyl ether is added
It in stirring container, is uniformly mixed, adds water, stir, foaming obtains expanding foam solution；
(4) expanding foam solution is added in the mixture B, adds remaining water, stirred, be uniformly mixed, obtain slurry；
(5) slurry is injected in mold and continues the 5-7min that foams；
(6) it is stood after the completion of injection molding, carries out initial curing, obtain cement board blank；
(7) by cement board blank demoulding, cutting and maintenance, the cement board is obtained.
4. the preparation method of cement board according to claim 3, it is characterised in that: add the weight of water in step (3)
Part is 10-15 parts.
5. the preparation method of cement board according to claim 3, it is characterised in that: foaming described in step (3)
Time is 5-7min.
6. the preparation method of cement board according to claim 3, it is characterised in that: stirring described in step (4)
Time is 15-20min.
7. the preparation method of cement board according to claim 3, it is characterised in that: initial stage described in step (6) supports
The time of shield is 1-2 days.
8. the preparation method of cement board according to claim 3, it is characterised in that: maintenance described in step (7)
Time is 5-7 days.
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| CN102336554A (en) * | 2011-06-25 | 2012-02-01 | 南京工业大学 | Cement-based lightweight porous thermal insulation material and preparation method thereof |
| CN102531533A (en) * | 2010-12-20 | 2012-07-04 | 武汉优特斯节能建材研究所 | Building foamed cement phase-change heat-preserving board (building block) and manufacturing method thereof |
-
2017
- 2017-03-17 CN CN201710159546.5A patent/CN107098624B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456693A (en) * | 2008-12-31 | 2009-06-17 | 王本淼 | Modifying agent for building expansion material |
| CN101456695A (en) * | 2009-01-06 | 2009-06-17 | 武汉鑫闻吉环保建筑工程技术有限公司 | Novel heat insulation and water proof foaming agent and preparation method thereof |
| CN101497533A (en) * | 2009-02-27 | 2009-08-05 | 中国科学院武汉岩土力学研究所 | Foam concrete and preparing process thereof |
| CN102531533A (en) * | 2010-12-20 | 2012-07-04 | 武汉优特斯节能建材研究所 | Building foamed cement phase-change heat-preserving board (building block) and manufacturing method thereof |
| CN102285778A (en) * | 2011-06-10 | 2011-12-21 | 建筑材料工业技术监督研究中心 | Ultra-light cement-based composite foaming material and preparation method thereof |
| CN102336554A (en) * | 2011-06-25 | 2012-02-01 | 南京工业大学 | Cement-based lightweight porous thermal insulation material and preparation method thereof |
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