CN104446615B - Polypropylene fibre steam-pressing aero-concrete and preparation method thereof - Google Patents
Polypropylene fibre steam-pressing aero-concrete and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of polypropylene fibre steam-pressing aero-concrete and preparation method thereof, the method comprises: a, oleic acid, trolamine and water are carried out first be mixed and made into soluble oil; B, aluminium source, pore forming material and water are carried out second be mixed and made into aluminium powder suspension; C, alkali and water are carried out the 3rd be mixed and made into alkaline solution; D, in magneticstrength be 0.002-0.003T the existence in magnetic field under, cement, slag, sand, polypropylene fibre, resol, common brick particle, Z 250 and water are carried out the 4th mixing, then add soluble oil, alkaline solution and aluminium powder suspension to carry out the 5th and mix and pour into a mould, then get angry and make polypropylene fibre steam-pressing aero-concrete; Wherein, aluminium source is aluminium powder or aluminium cream, pore forming material be pull open in powder, peregal, saponin powder, paraffin soap and washing powder one or more, alkali is sodium carbonate and/or borax.The material of construction utilizing this polypropylene fibre steam-pressing aero-concrete to obtain has excellent physical strength, density and frost resistance.
Description
Technical field
The present invention relates to steam-pressing aero-concrete, particularly, relate to a kind of polypropylene fibre steam-pressing aero-concrete and preparation method thereof.
Background technology
The building material that steam-pressing aero-concrete is is main raw material with cement, slag, silica sand etc.The characteristics such as the autoclave aerated concrete building block utilizing steam-pressing aero-concrete to make or sheet material all have that density is little, fire-resistant, fire prevention, sound insulation, heat insulation and insulation, but, the material of construction that steam-pressing aero-concrete is made is difficult to the physical strength reaching other material of construction such as building stones, common brick in physical strength, once there is the natural disasteies such as earthquake, then easily can there is the danger of caving in the buildings so caused by steam-pressing aero-concrete.
Summary of the invention
The object of this invention is to provide a kind of polypropylene fibre steam-pressing aero-concrete and preparation method thereof, the material of construction made by polypropylene fibre steam-pressing aero-concrete has excellent physical strength, density and frost resistance.
To achieve these goals, the invention provides a kind of preparation method of polypropylene fibre steam-pressing aero-concrete, described method comprises:
A, oleic acid, trolamine and water are carried out first be mixed and made into soluble oil;
B, aluminium source, pore forming material and water are carried out second be mixed and made into aluminium powder suspension;
C, alkali and water are carried out the 3rd be mixed and made into alkaline solution;
D, in magneticstrength be 0.002-0.003T the existence in magnetic field under, cement, slag, sand, polypropylene fibre, resol, common brick particle, Z 250 and water are carried out the 4th mixing, then add described soluble oil, described alkaline solution and described aluminium powder suspension to carry out the 5th and mix and pour into a mould, then get angry and make polypropylene fibre steam-pressing aero-concrete;
Wherein, described aluminium source is aluminium powder or aluminium cream, described pore forming material be pull open in powder, peregal, saponin powder, paraffin soap and washing powder one or more, described alkali is sodium carbonate and/or borax.
Present invention also offers a kind of polypropylene fibre steam-pressing aero-concrete, described polypropylene fibre steam-pressing aero-concrete is prepared from by above-mentioned method.
Pass through technique scheme, polypropylene fibre steam-pressing aero-concrete provided by the invention is under the existence of high-intensity magnetic field, obtain polypropylene fibre steam-pressing aero-concrete by the synergy of ferromagnetic Z 250 and other raw materials, the material of construction utilizing this polypropylene fibre steam-pressing aero-concrete to obtain has excellent physical strength, density and frost resistance.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of polypropylene fibre steam-pressing aero-concrete, described method comprises:
A, oleic acid, trolamine and water are carried out first be mixed and made into soluble oil;
B, aluminium source, pore forming material and water are carried out second be mixed and made into aluminium powder suspension;
C, alkali and water are carried out the 3rd be mixed and made into alkaline solution;
D, in magneticstrength be 0.002-0.003T the existence in magnetic field under, cement, slag, sand, polypropylene fibre, resol, common brick particle, Z 250 and water are carried out the 4th mixing, then add described soluble oil, described alkaline solution and described aluminium powder suspension to carry out the 5th and mix and pour into a mould, then get angry and make polypropylene fibre steam-pressing aero-concrete;
Wherein, described aluminium source is aluminium powder or aluminium cream, described pore forming material be pull open in powder, peregal, saponin powder, paraffin soap and washing powder one or more, described alkali is sodium carbonate and/or borax.
In the present invention, the kind of cement can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, described cement to be the trade mark be 325 silicate cement or the trade mark be the silicate cement of 425.
In the present invention, the size of described polypropylene fibre can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, described polypropylene fibre meet following condition: length is 3-6cm, and diameter is 1-3mm.
In the present invention, described aluminium powder or aluminium cream can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in described aluminium powder or aluminium cream, the specific surface area of solid particulate is 4000-6000cm
2/ g.
In the present invention, the kind of described resol can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, the weight-average molecular weight of described resol is 14000-30000.
In the present invention, the kind of described common brick particle (common brick fragmentation being formed) can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, the particle diameter of described common brick particle is 0.01-0.03mm.
In the present invention, the particle diameter of described sand can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention have more excellent physical strength and density, preferably, the particle diameter of described sand is 4-6mm.
In the present invention, the actual conditions of described first mixing can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in step a, described first mixing meets the following conditions: mixing temperature is 40-50 DEG C, and mixing time is 30-50min.
In the present invention, in step a, the consumption of each material can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in step a, relative to the described oleic acid of 1 weight part, the consumption of described trolamine is 2-5 weight part, and the consumption of described water is 30-40 weight part.
In the present invention, the actual conditions of described second mixing can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in stepb, described second mixing meets the following conditions: mixing temperature is 50-60 DEG C, and mixing time is 1-3min.
In the present invention, the consumption of each material can be selected in wide scope in stepb, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in stepb, in step b, relative to the described aluminium source of 1 weight part, the consumption of described pore forming material is 0.8-1.5 weight part, and the consumption of described water is 15-25 weight part.
In the present invention, the actual conditions of described 3rd mixing can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in step c, described 3rd mixing meets the following conditions: mixing temperature is 60-80 DEG C, and mixing time is 40-60min.
In the present invention, in step c, the consumption of each material can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, relative to the alkaline solution of 100 weight parts, the consumption of described alkali is 35-40 weight part.
In the present invention, the actual conditions of described 4th mixing can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in steps d, described 4th mixing meets the following conditions: mixing temperature is 20-40 DEG C, and mixing time is 1-5min.
In the present invention, the actual conditions of described 5th mixing can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in steps d, described 5th mixing all meets the following conditions: mixing temperature is 20-40 DEG C, and mixing time is 15-30min.
In the present invention, in steps d, the consumption of each material can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, in steps d, relative to the described cement of 100 weight parts, the consumption of described slag is 150-200 weight part, the consumption of described sand is 250-300 weight part, the consumption of described polypropylene fibre is 10-20 weight part, the consumption of described resol is 5-8 weight part, the consumption of described common brick particle is 7-10 weight part, the consumption of described Z 250 is 3-5 weight part, the consumption of described water is 250-350 weight part, the consumption of described soluble oil is the consumption of 9-13 weight part and described aluminium powder suspension is 600-1000 weight part.
In the present invention, the actual conditions of getting angry in steps d can be selected in wide scope, but in order to make the material of construction obtained by polypropylene fibre steam-pressing aero-concrete provided by the invention, there is more excellent physical strength and density, preferably, described getting angry meets the following conditions: temperature of getting angry is 40-50 DEG C, and the time of getting angry is 15-30min.
Present invention also offers a kind of polypropylene fibre steam-pressing aero-concrete, described polypropylene fibre steam-pressing aero-concrete is prepared from by above-mentioned method.
Below will be described the present invention by embodiment.In following examples, physical strength, dry volume density and frost resistance index parameter are recorded by the method for JC1062-2007.
Cement is the incorporated commercially available trade mark of Anhui Conch Cement is the silicate cement of 42.5, Copper Slag is the commercially available product of Tianyuan corundum abrasive company limited of Gongyi City, sand is the commercially available yellow ground that stone ore Product processing factory is opened in Lingshou County, polypropylene fibre is the commercially available product of Bang Neng engineering materials company limited of Ningyang, resol is the commercially available product of Tongling Hua Xinda industry and trade limited liability company, Z 250 is the commercially available product of Jinan Kai Chuan trade Co., Ltd, oleic acid is the commercially available product of Guangzhou Chao Jinqi Chemical Co., Ltd., trolamine is the commercially available product of the prosperous intention Chemical Co., Ltd. in Jinan, pull open the commercially available product that powder is Guangzhou remittance and Chemical Co., Ltd., washing powder is the commercially available product of Shanghai International Automobile City Tourist Festival Jie Min detergent factory, sodium carbonate is the commercially available product of Shanghai Yu Jie trade Co., Ltd, borax is the commercially available product of Shanghai Rui Xin Industrial Co., Ltd., aluminium powder is the commercially available product of Beijing Xing Rongyuan Science and Technology Ltd., aluminium cream is the commercially available product of moral color painting Chemical Co., Ltd. of Shenzhen.
Embodiment 1
A, at 45 DEG C, after oleic acid, trolamine and water are carried out the first mixing 40min according to the mass ratio of 1:4:35, make soluble oil;
B, at 55 DEG C, by aluminium powder, (specific surface area is 5000cm
2/ g), pull open after powder and water carry out the second mixing 2min according to the mass ratio of 1:1:20 and make aluminium powder suspension;
C, at 70 DEG C, alkali and water are carried out the 3rd and mix 50min and make the alkaline solution that massfraction is 38%;
D, under 30 DEG C and magneticstrength are the existence in the magnetic field of 0.0025T, be the silicate cement 100kg of 425 by the trade mark, Copper Slag 170kg, 280kg sand (particle diameter is 5mm), (length is 5cm to 15kg polypropylene fibre, diameter is 2mm), 6kg resol (weight-average molecular weight is 20000), 9kg common brick particle (particle diameter is 0.02mm), Z 250 4kg and water 300kg carries out the 3rd mixing 3min, then soluble oil 11kg is added, alkaline solution 20kg and aluminium powder suspension 800kg carries out the 4th mixing 22min and pours into a mould, then the 20min that gets angry at 45 DEG C makes polypropylene fibre steam-pressing aero-concrete.
E, by polypropylene fibre steam-pressing aero-concrete precuring 3h at 60 DEG C, then cut, after having cut by building block in autoclave according to steam-cured 4h at 80 DEG C, be then forced into 1.0MPa maintenance 8h again, finally at 25 DEG C, Chen Hua 5h makes polypropylene fibre autoclave aerated concrete building block A1.
The dry volume density of this polypropylene fibre autoclave aerated concrete building block, ultimate compression strength and frost resistance index are in table 1.
Embodiment 2
A, at 40 DEG C, after oleic acid, trolamine and water are carried out the first mixing 30min according to the mass ratio of 1:2:30, make soluble oil;
B, at 50 DEG C, by aluminium powder, (specific surface area is 4000cm
2/ g), pull open after powder and water carry out the second mixing 1min according to the mass ratio of 1:0.8:15 and make aluminium powder suspension;
C, at 60 DEG C, alkali and water are carried out the 3rd and mix 40min and make the alkaline solution that massfraction is 35%;
D, under 20 DEG C and magneticstrength are the existence in the magnetic field of 0.002T, be the silicate cement 100kg of 425 by the trade mark, Copper Slag 150kg, 250kg sand (particle diameter is 4mm), (length is 3cm to 10kg polypropylene fibre, diameter is 1mm), 5kg resol (weight-average molecular weight is 14000), 7kg common brick particle (particle diameter is 0.01mm), Z 250 3kg and water 250kg carries out the 3rd mixing 1min, then soluble oil 9kg is added, alkaline solution 10kg and aluminium powder suspension 600kg carries out the 4th mixing 15min and pours into a mould, then the 15min that gets angry at 40 DEG C makes polypropylene fibre steam-pressing aero-concrete.
E, by polypropylene fibre steam-pressing aero-concrete precuring 3h at 60 DEG C, then cut, after having cut by building block in autoclave according to steam-cured 4h at 80 DEG C, be then forced into 1.0MPa maintenance 8h again, finally at 25 DEG C, Chen Hua 5h makes polypropylene fibre autoclave aerated concrete building block A2.
The dry volume density of this polypropylene fibre autoclave aerated concrete building block, ultimate compression strength and frost resistance index are in table 1.
Embodiment 3
A, at 50 DEG C, after oleic acid, trolamine and water are carried out the first mixing 50min according to the mass ratio of 1:5:40, make soluble oil;
B, at 60 DEG C, by aluminium powder, (specific surface area is 6000cm
2/ g), pull open after powder and water carry out the second mixing 3min according to the mass ratio of 1:1.5:25 and make aluminium powder suspension;
C, at 80 DEG C, alkali and water are carried out the 3rd and mix 60min and make the alkaline solution that massfraction is 40%;
D, under 40 DEG C and magneticstrength are the existence in the magnetic field of 0.003T, be the silicate cement 100kg of 425 by the trade mark, Copper Slag 200kg, 300kg sand (particle diameter is 6mm), (length is 6cm to 20kg polypropylene fibre, diameter is 3mm), 8kg resol (weight-average molecular weight is 30000), 10kg common brick particle (particle diameter is 0.03mm), Z 250 5kg and water 750kg carries out the 3rd mixing 5min, then soluble oil 13kg is added, alkaline solution 30kg and aluminium powder suspension 1000kg carries out the 4th mixing 15-30min and pours into a mould, then the 30min that gets angry at 50 DEG C makes polypropylene fibre steam-pressing aero-concrete.
E, by polypropylene fibre steam-pressing aero-concrete precuring 3h at 60 DEG C, then cut, after having cut by building block in autoclave according to steam-cured 4h at 80 DEG C, be then forced into 1.0MPa maintenance 8h again, finally at 25 DEG C, Chen Hua 5h makes polypropylene fibre autoclave aerated concrete building block A3.
The dry volume density of this polypropylene fibre autoclave aerated concrete building block, ultimate compression strength and frost resistance index are in table 1.
Embodiment 4
Polypropylene fibre autoclave aerated concrete building block A4 is obtained according to the method for embodiment 1, unlike, aluminium powder is changed to aluminium cream, and result is as shown in table 1.
Embodiment 5
Polypropylene fibre autoclave aerated concrete building block A5 is obtained according to the method for embodiment 1, unlike, pull open powder and be changed to washing powder, result is as shown in table 1.
Comparative example 1
Polypropylene fibre autoclave aerated concrete building block B1 is obtained according to the method for embodiment 1, unlike, exist without magnetic field, result is as shown in table 1.
Comparative example 2
Polypropylene fibre autoclave aerated concrete building block B2 is obtained according to the method for embodiment 1, unlike, magneticstrength is 0.005T, and result is as shown in table 1.
Comparative example 3
Polypropylene fibre autoclave aerated concrete building block B3 is obtained according to the method for embodiment 1, unlike, not containing Z 250, result is as shown in table 1.
Comparative example 4
Polypropylene fibre autoclave aerated concrete building block B4 is obtained according to the method for embodiment 1, unlike, not containing polypropylene fibre, result is as shown in table 1.
Comparative example 5
Polypropylene fibre autoclave aerated concrete building block B5 is obtained according to the method for embodiment 1, unlike, not containing resol, result is as shown in table 1.
Comparative example 6
Polypropylene fibre autoclave aerated concrete building block B6 is obtained according to the method for embodiment 1, unlike, not containing common brick particle, result is as shown in table 1.
Table 1
From above-described embodiment and comparative example, the material of construction be made up of polypropylene fibre steam-pressing aero-concrete provided by the invention has excellent physical strength, density and frost resistance.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. a preparation method for polypropylene fibre steam-pressing aero-concrete, is characterized in that, described method comprises:
A, oleic acid, trolamine and water are carried out first be mixed and made into soluble oil;
B, aluminium source, pore forming material and water are carried out second be mixed and made into aluminium powder suspension;
C, basic cpd and water are carried out the 3rd be mixed and made into basic solution;
D, in magneticstrength be 0.002-0.003T the existence in magnetic field under, cement, slag, sand, polypropylene fibre, resol, common brick particle, Z 250 and water are carried out the 4th mixing, then add described soluble oil, described basic solution and described aluminium powder suspension to carry out the 5th and mix and pour into a mould, then get angry and make polypropylene fibre steam-pressing aero-concrete;
Wherein, described aluminium source is aluminium powder or aluminium cream, described pore forming material be pull open in powder, peregal, saponin powder, paraffin soap and washing powder one or more, described basic cpd is sodium carbonate and/or borax, in steps d, relative to the described cement of 100 weight parts, the consumption of described slag is 150-200 weight part, the consumption of described sand is 250-300 weight part, the consumption of described polypropylene fibre is 10-20 weight part, the consumption of described resol is 5-8 weight part, the consumption of described common brick particle is 7-10 weight part, the consumption of described Z 250 is 3-5 weight part, the consumption of described water is 250-350 weight part, the consumption of described soluble oil is 9-13 weight part, the consumption of described aluminium powder suspension is 600-1000 weight part, the consumption of described basic solution is 10-30 weight part.
2. preparation method according to claim 1, wherein, described cement is the silicate cement of the trade mark 325 or the silicate cement of the trade mark 425; Described polypropylene fibre meets following condition: length is 3-6cm, and diameter is 1-3mm; In described aluminium powder or aluminium cream, the specific surface area of solid particulate is 4000-6000cm
2/ g, the weight-average molecular weight of described resol is 14000-30000, and the particle diameter of described common brick particle is 0.01-0.03mm, and the particle diameter of described sand is 4-6mm.
3. preparation method according to claim 1 and 2, wherein, in step a, described first mixing meets the following conditions: mixing temperature is 40-50 DEG C, and mixing time is 30-50min.
4. preparation method according to claim 1 and 2, wherein, in step a, relative to the described oleic acid of 1 weight part, the consumption of described trolamine is 2-5 weight part, and the consumption of described water is 30-40 weight part.
5. preparation method according to claim 1 and 2, wherein, in stepb, described second mixing meets the following conditions: mixing temperature is 50-60 DEG C, and mixing time is 1-3min.
6. preparation method according to claim 5, wherein, in step b, relative to the described aluminium source of 1 weight part, the consumption of described pore forming material is 0.8-1.5 weight part, and the consumption of described water is 15-25 weight part.
7. preparation method according to claim 1 and 2, wherein, in step c, described 3rd mixing meets the following conditions: mixing temperature is 60-80 DEG C, and mixing time is 40-60min.
8. preparation method according to claim 6, wherein, in step c, relative to the basic solution of 100 weight parts, the consumption of described basic cpd is 35-40 weight part.
9. preparation method according to claim 1 and 2, wherein, in steps d, described 4th mixing meets the following conditions: mixing temperature is 20-40 DEG C, and mixing time is 1-5min;
Described 5th mixing all meets the following conditions: mixing temperature is 20-40 DEG C, and mixing time is 15-30min.
10. preparation method according to claim 1 and 2, wherein, described in get angry and meet the following conditions: temperature of getting angry is 40-50 DEG C, and the time of getting angry is 15-30min.
11. 1 kinds of polypropylene fibre steam-pressing aero-concretes, is characterized in that, described polypropylene fibre steam-pressing aero-concrete is prepared from by the method described in any one in claim 1-10.
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| CN103332956A (en) * | 2013-06-13 | 2013-10-02 | 镇江崟鑫新型建材科技有限公司 | Foamed building concrete and production method thereof |
| CN103342577A (en) * | 2013-06-13 | 2013-10-09 | 镇江崟鑫新型建材科技有限公司 | Aerated concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103332956A (en) * | 2013-06-13 | 2013-10-02 | 镇江崟鑫新型建材科技有限公司 | Foamed building concrete and production method thereof |
| CN103342577A (en) * | 2013-06-13 | 2013-10-09 | 镇江崟鑫新型建材科技有限公司 | Aerated concrete |
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