CN105271916B - Waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system - Google Patents
Waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system Download PDFInfo
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- CN105271916B CN105271916B CN201510828016.6A CN201510828016A CN105271916B CN 105271916 B CN105271916 B CN 105271916B CN 201510828016 A CN201510828016 A CN 201510828016A CN 105271916 B CN105271916 B CN 105271916B
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Abstract
The present invention provides a kind of waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system, and the roof waterproof system includes roof construction layer and the water proofing property bubble concrete layer being arranged on roof construction layer；The water proofing property bubble concrete layer is formed by water proofing property foam concrete.Compared with prior art, the present invention is modified using waterproof reinforcing agent to foam concrete, make water proofing property foam concrete structure more uniform and stable, form round sealed non-intercommunicating pore structure, and aperture is smaller, produce hydrophobic character, with higher waterproof effect, water proofing property foam concrete also has preferable effect of heat insulation simultaneously, so that roof waterproof system had both had preferable waterproof effect or with preferable effect of heat insulation, and waterproof system of the present invention is overall integral structure, easy construction, cost is relatively low, it is easy to safeguard, light weight and structural stability is good, long lifespan.
Description
Technical field
The present invention relates to waterproof technique field, more particularly to a kind of waterproof reinforcing agent, water proofing property foam concrete and roofing
Waterproof system.
Background technology
At present, low-carbon energy-saving has become Global Sustainable Development strategy, and building energy conservation is the key of city energy-conservation,
The proportion for accounting for economic development GDP is maximum, and each state all pays much attention to.In building energy conservation, because roofing is directly by solar exposure,
Cement frame layer effect of heat insulation is bad, and therefore, roof insulation energy-conservation is particularly significant, it is necessary to solved using scientific and effective method
Certainly.In addition, building roof waterproof problem be also it is essential in architectural engineering the need for the key issue that solves emphatically, especially
Tropical Island, Heavy Rain of Typhoon is more, has generation rain water on roof leakage problems more, it has also become the high question that construction quality is complained
Topic.
The present traditional insulating water-proof method of building roof mainly has following three kinds：
(1) method of flexible web waterproof layer+insulating brick.But the method has construction complexity, weight is big, easily damaged leakage
Water and it is difficult in maintenance the problems such as；
(2) the MULTILAYER COMPOSITE method such as flexible web waterproof layer+thermal insulation layer+protective layer, the method, which overcomes, uses insulating brick
The problem of weight is big, the load brought to building is smaller, generally uses at present.But it is still present, and construction is complicated, process is more, into
This height, organic material aging and it is difficult in maintenance the problems such as；
(3) method of light reflective heat-insulation paint multilayer film.This method easy construction, but it is bad to there is effect of heat insulation, falls
Reflecting effect can be caused relatively low after dirt, and exposure outside, can cause material aging to ftracture for a long time, the problems such as short life；
(4) rigid waterproofing thermal insulation layer：It is general to be constituted using material hybrid multilayers such as cement mortar, waterproof powder and perlites,
But it is less to use because easily cracking and insulating waterproof effect are bad.
Therefore, building roof how is realized by preferable effect of heat insulation, waterproof effect and overall total good cost is relatively low, easily
Preparing and constructing is an urgent demand of current construction market, it would be highly desirable to solved.
The content of the invention
Present invention solves the technical problem that being to provide a kind of waterproof reinforcing agent, water proofing property foam concrete and roof waterproof
System, the roof waterproof system has preferable heat-insulated and waterproof effect.
The invention provides a kind of waterproof reinforcing agent, including：
Present invention also offers a kind of water proofing property foam concrete, it is prepared from by cement slurry with expanding foam solution；The water
The weight ratio of material-mud and foaming agent is 1：(0.01~0.05)；
The cement slurry includes：
It is preferred that, the water proofing property foam concrete, which has, closes disconnected pore structure.
It is preferred that, the aperture of the pore structure is 0.1~0.5mm.
Present invention also offers a kind of roof waterproof system, including roof construction layer are anti-on roof construction layer with being arranged at
Aqueous foam concrete layer；The water proofing property bubble concrete layer is mixed as the water proofing property foam described in any one of claim 2~4
Solidifying soil is formed.
It is preferred that, the thickness of the water proofing property bubble concrete layer is 80~100mm.
It is preferred that, also including inorfil crack-resistant layer or organic material crack-resistant layer；The inorfil crack-resistant layer or organic
Material crack-resistant layer is arranged between the roof construction layer and water proofing property bubble concrete layer.
It is preferred that, the thickness of the inorfil crack-resistant layer or organic material crack-resistant layer is 0.5~5mm.
It is preferred that, the also cement mortar protective course including being arranged on the water proofing property bubble concrete layer.
It is preferred that, the thickness of the cement mortar protective course is 20~30mm.
The invention provides a kind of waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system, the roof waterproof
System includes roof construction layer and the water proofing property bubble concrete layer being arranged on roof construction layer；The water proofing property foam coagulation
Soil layer is formed by water proofing property foam concrete.Compared with prior art, the present invention is entered using waterproof reinforcing agent to foam concrete
Row be modified, make water proofing property foam concrete structure more uniform and stable, formed round sealed non-intercommunicating pore structure, and aperture compared with
It is small, hydrophobic character is produced, with higher waterproof effect, while water proofing property foam concrete also has preferable effect of heat insulation,
So that roof waterproof system had both had preferable waterproof effect or had preferable effect of heat insulation, and waterproof system of the present invention is
Overall integral structure, easy construction, cost is relatively low, is easy to safeguard, light weight and structural stability is good, long lifespan.
Brief description of the drawings
Fig. 1 is the structural representation of roof waterproof system of the present invention；
Fig. 2 is the structural representation of roof waterproof system of the present invention；
Fig. 3 is the structural representation of roof waterproof system of the present invention；
Fig. 4 is the outside drawing of cement mortar concrete prepared by the embodiment of the present invention 1.
Embodiment
Below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
The invention provides a kind of waterproof reinforcing agent, including：
Wherein, the present invention is not particularly limited to the source of all raw materials, is commercially available.
Enol compound of birdsing of the same feather flock together is birdsed of the same feather flock together compound for enol well known to those skilled in the art, has no special limit
It is preferably polyvinyl alcohol in system, the present invention；The birds of the same feather flock together content of compound of the enol is preferably 0.08~0.1 parts by weight.
The methylcellulose and/or its derivative are methylcellulose well known to those skilled in the art and its derivative
, it is preferably methylcellulose to have no in special limitation, the present invention；The methylcellulose and/or its derivative contain
Amount is preferably 0.08~0.1 parts by weight.
The triethanolamine is preferably 4~6 parts by weight；The fatty acid distribution of coconut oil diglycollic amide is preferably 4~6 weight
Part；The water is preferably 75~100 parts by weight, more preferably 80~90 parts by weight.
In the present invention, the waterproof reinforcing agent is preferably included：0.2wt% enols are birdsed of the same feather flock together the weight of the compound aqueous solution 35~55
Part, 0.2wt% methylcellulose and/or its parts by weight of derivative aqueous solution 35~55, the parts by weight of triethanolamine 3~8 and cocounut oil
The parts by weight of fatty diglycollic amide 3~8.Wherein, the 0.2wt% enols compound aqueous solution of birdsing of the same feather flock together is preferably 40~50 weight
Part；The 0.2wt% methylcellulose and/or its derivative aqueous solution are preferably 40~50 parts by weight.
Present invention also offers a kind of water proofing property foam concrete, it is prepared from by cement slurry with expanding foam solution；The water
The weight ratio of material-mud and expanding foam solution is 1：(0.01~0.05)；The cement slurry includes：The parts by weight of cement 100；It is inorganic to fill out
Expect 5~25 parts by weight；The parts by weight of fibre reinforced materials 0.1~0.5；The parts by weight of waterproof reinforcing agent 5~10；The weight of water 40~60
Part.
Wherein described waterproof reinforcing agent is same as above, will not be repeated here.
The inorganic filler is inorganic filler well known to those skilled in the art, has no special limitation, the present invention
In be preferably one or more in flyash, river sand and CHARACTERISTICS OF TAILINGS SAND, more preferably flyash；The content of the inorganic filler is excellent
Elect 10~20 parts by weight as.
The fibre reinforced materials is fibre reinforced materials well known to those skilled in the art, has no special limit
It is preferably the one or more in polypropylene fibre, carbon fiber and ceramic fibre in system, the present invention；The fibre reinforced materials
Content is preferably 0.2~0.4 parts by weight, more preferably 0.2~0.3 parts by weight.
The content of the waterproof reinforcing agent is preferably 6~10 parts by weight, more preferably 6~8 parts by weight；The content of the water
Preferably 45~55 parts by weight.
Water proofing property foam concrete of the present invention is prepared from by cement slurry with expanding foam solution；Wherein, the cement slurry with
The weight ratio of expanding foam solution is 1：(0.01~0.05), preferably 1：(0.01~0.04), more preferably 1：(0.02~0.03).Institute
Expanding foam solution is stated for expanding foam solution well known to those skilled in the art, special limitation is had no, is preferably mixed by foaming agent with water
Obtain；The foaming agent can be had no in special limitation, the present invention for foaming agent well known to those skilled in the art
One or more in animal-type foaming agent, plant type foaming agent and compound foaming agent.
The water proofing property foam concrete, which preferably has, closes disconnected pore structure；The aperture of the pore structure is preferably
0.1~0.5mm.
Present invention also offers a kind of preparation method of above-mentioned water proofing property foam concrete, including：A) by 100 parts by weight
Cement, the inorganic filler of 5~25 parts by weight, the fibre reinforced materials of 0.1~0.5 parts by weight, the waterproof enhancing of 5~10 parts by weight
Agent is mixed with the parts by weight of water 40~60 and is beaten, and obtains cement slurry；B) by the cement slurry and foaming agent according to quality
Than 1：(0.1~1) mix, pour, obtain water proofing property foam concrete.
Wherein, the cement, inorganic filler, fibre reinforced materials, water proofing property reinforcing agent and water are same as above, herein not
Repeat again；The rotating speed of the mashing is preferably 100~500 turns/min, more preferably 200~400 turns/min；The mashing when
Between be preferably 5~20min, more preferably 10~15min.
Present invention also offers a kind of roof waterproof system, including roof construction layer are anti-on roof construction layer with being arranged at
Aqueous foam concrete layer, its schematic diagram is as shown in Figure 1；The water proofing property bubble concrete layer is by water proofing property foam concrete shape
Into.
Wherein, the water proofing property foam concrete is same as above, will not be repeated here.
The thickness of the water proofing property bubble concrete layer is preferably 80~100mm, more preferably 90~100mm；It is described anti-
The unit weight of aqueous foam concrete layer is preferably 400~600g/cm3, more preferably 450~550g/cm3。
According to the present invention, the roof waterproof system preferably also includes inorfil crack-resistant layer or organic material crack-resistant layer,
Its schematic diagram is as shown in Figure 2；The inorfil crack-resistant layer or organic material crack-resistant layer are arranged at the roof construction layer with preventing
Between aqueous foam concrete layer；The inorfil crack-resistant layer or organic material crack-resistant layer are preferably by fiber knitted net or high score
Sub- composite is formed；The thickness of the inorfil crack-resistant layer or organic material crack-resistant layer is preferably 0.5~5mm, more preferably
For 1~3mm.
Inorfil crack-resistant layer or organic material crack-resistant layer can reduce influence of the roof construction layer to bubble concrete layer, but
Inorfil crack-resistant layer or organic material crack-resistant layer can not be too thick, otherwise can cause the layering of roof waterproof system；When roofing knot
Structure layer is smooth, and when flawless or smaller crackle, inorfil crack-resistant layer or organic material crack-resistant layer can be omitted.
Ftractureed to reduce caused by water proofing property foam concrete is exposed under the sun due to long-time, the present invention is preferably also wrapped
The cement mortar protective course being arranged on the water proofing property bubble concrete layer is included, its schematic diagram is as shown in Figure 3；The cement bonded sand
Slurry protective layer is preferably formed by cement, sand with polypropylene fibre；The cement is preferably 1 with husky mass ratio：(1~4), it is more excellent
Elect 1 as：(2~4), are further preferably 1：(2~3)；The polypropylene fibre can reinforced cement mortar protective layer crack resistance, it contains
Amount is preferably the 0.1%~0.4%, more preferably 0.1%~0.3% of cement and husky gross mass, is further preferably 0.2%；It is described
The thickness of cement mortar protective course is preferably 20~30mm, more preferably 22~28mm, is further preferably 24~28mm, is most preferably
25mm。
The present invention is modified using waterproof reinforcing agent to foam concrete, makes water proofing property foam concrete structure more equal
Even stabilization, forms round sealed non-intercommunicating pore structure, and aperture is smaller, produces hydrophobic character, with higher waterproof effect, together
When water proofing property foam concrete also there is preferable effect of heat insulation so that roof waterproof system both has preferable waterproof effect
Also there is preferable effect of heat insulation, and waterproof system of the present invention is overall integral structure, easy construction, cost is relatively low, is easy to
Safeguard, structural stability is good, long lifespan.
Present invention also offers a kind of preparation method of above-mentioned roof waterproof system, including：The just water of 100 parts by weight
Mud, the inorganic filler of 5~25 parts by weight, the fibre reinforced materials of 0.1~0.5 parts by weight, the waterproof reinforcing agent of 5~10 parts by weight
Mix and be beaten with the parts by weight of water 40~60, obtain cement slurry；By the cement slurry and foaming agent according to mass ratio 1：
(0.1~1) mix, be cast on roof construction layer, form water proofing property bubble concrete layer.
Wherein, the water proofing property bubble concrete layer is same as above, will not be repeated here.
According to the present invention, preferably first roof construction layer is cleaned out, crackle and/or hole is checked for, if any then first
Sectional repair is carried out, then pours water proofing property foam concrete；Inorfil crack-resistant layer is more preferably first laid on roof construction layer
Or organic material crack-resistant layer, then the cement slurry and foaming agent of mixing are poured, form water proofing property bubble concrete layer.
After pouring, natural curing is preferably first carried out, cement mortar protective course is re-layed；The time of the natural curing is preferred
For 2~3 days.The cement mortar protective course preferably follows the steps below laying：By cement, sand, water and polypropylene fibre
It is well mixed, it is layed on water proofing property bubble concrete layer, forms cement mortar protective course.The cement mortar protective course, water
Mud, sand are same as above with polypropylene fibre, will not be repeated here.The content of the water is preferably cement and husky gross mass
50%~70%, more preferably 55%~65%, most preferably 60%.
For a further understanding of the present invention, the waterproof reinforcing agent provided with reference to embodiment the present invention, waterproof sex vesicle
Foam concrete and roof waterproof system are illustrated, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
1.1 are layed in 2mm thick fiberglass woven cloths on roof construction layer, form organic material crack-resistant layer.
1.2 is water-soluble by the methylcellulose of 35 parts by weight 0.2wt% polyvinyl alcohol water solution, 35 parts by weight 0.2wt%
Liquid, 3 parts by weight triethanolamines are mixed with 3 parts by weight fatty acid distribution of coconut oil diglycollic amides, obtain waterproof reinforcing agent；
By 100 parts by weight of cement, 10 weight parts of fine coal ash, 0.2 parts by weight of polypropylene fiber, 6 parts by weight waterproof reinforcing agents
Mixed with 50 parts by weight water, 100 turns/min mashing 15min obtain cement slurry；By cement slurry and animal-type expanding foam solution according to
Weight compares 1：0.02 ratio mixing, stirs, is cast on organic material crack-resistant layer, and it is 10cm to control thickness, is supported naturally
Shield 2 days, forms water proofing property bubble concrete layer.
1.3 by cement with sand according to 1:2.5 ratio mixing, then adds cement and the water of husky gross mass 60%, then add
Enter cement and the polypropylene fibre of husky gross mass 0.2%, uniform mix is layed on water proofing property bubble concrete layer, and control is thick
Spend for 25mm, formation cement mortar protective course.
Waterproofing tests are carried out to water proofing property foam concrete：By the cement mortar in 1.2 in animal-type foam according to weight
Amount compares 1：0.6 ratio mixing, is made tank, 10 centimeters of base thickness, water filling, three months ne-leakages；Fig. 4 is water proofing property foam coagulation
The outside drawing of soil, it can be seen that it, which has, closes disconnected pore structure, and the aperture of the pore structure is 0.1~0.5mm.
Waterproofing tests, three months ne-leakage water are carried out to the roof waterproof system in embodiment 1.
Performance test is thermally shielded to the roof waterproof system in embodiment 1, when the testing time is noon 12, weather temperature
For 35 DEG C, roof waterproof system hull-skin temperature is 57 DEG C, and indoor temperature is 27 DEG C.
Embodiment 2
2.1 are layed in 1mm thick fiberglass woven cloths on roof construction layer, form organic material crack-resistant layer.
2.2 is water-soluble by the methylcellulose of 45 parts by weight 0.2wt% polyvinyl alcohol water solution, 35 parts by weight 0.2wt%
Liquid, 6 parts by weight triethanolamines are mixed with 6 parts by weight fatty acid distribution of coconut oil diglycollic amides, obtain waterproof reinforcing agent；
By 100 parts by weight of cement, 15 weight parts of fine coal ash, 0.2 parts by weight of polypropylene fiber, 8 parts by weight waterproof reinforcing agents
Mixed with 50 parts by weight water, 500 turns/min mashing 5min obtain cement slurry；By cement slurry and animal-type expanding foam solution according to
Weight compares 1：0.03 ratio mixing, stirs, is cast on organic material crack-resistant layer, and it is 10cm to control thickness, is supported naturally
Shield 2 days, forms water proofing property bubble concrete layer.
2.3 by cement with sand according to 1:2.5 ratio mixing, then adds cement and the water of husky gross mass 60%, then add
Enter cement and the polypropylene fibre of husky gross mass 0.2%, uniform mix is layed on water proofing property bubble concrete layer, and control is thick
Spend for 25mm, formation cement mortar protective course.
Waterproofing tests are carried out to water proofing property foam concrete：By the cement mortar in 2.2 in animal-type foam according to weight
Amount compares 1：0.5 ratio mixing, is made tank, 10 centimeters of base thickness, water filling, three months ne-leakages.
Waterproofing tests, three months ne-leakage water are carried out to the roof waterproof system in embodiment 2.
Performance test is thermally shielded to the roof waterproof system in embodiment 2, when the testing time is noon 12, weather temperature
For 35 DEG C, roof waterproof system hull-skin temperature is 50 DEG C, and indoor temperature is 27 DEG C.
Embodiment 3
3.1 are layed in 5mm thick fiberglass woven cloths on roof construction layer, form organic material crack-resistant layer.
3.2 is water-soluble by the methylcellulose of 55 parts by weight 0.2wt% polyvinyl alcohol water solution, 40 parts by weight 0.2wt%
Liquid, 8 parts by weight triethanolamines are mixed with 8 parts by weight fatty acid distribution of coconut oil diglycollic amides, obtain waterproof reinforcing agent；
By 100 parts by weight of cement, 20 weight parts of fine coal ash, 0.2 parts by weight of polypropylene fiber, 10 parts by weight waterproof reinforcing agents
Mixed with 50 parts by weight water, 300 turns/min mashing 10min obtain cement slurry；By cement slurry and plant type expanding foam solution according to
Weight compares 1：0.04 ratio mixing, stirs, is cast on organic material crack-resistant layer, and it is 10cm to control thickness, is supported naturally
Shield 2 days, forms water proofing property bubble concrete layer.
3.3 by cement with sand according to 1:2.5 ratio mixing, then adds cement and the water of husky gross mass 60%, then add
Enter cement and the polypropylene fibre of husky gross mass 0.2%, uniform mix is layed on water proofing property bubble concrete layer, and control is thick
Spend for 25mm, formation cement mortar protective course.
Waterproofing tests are carried out to water proofing property foam concrete：By the cement mortar in 3.2 in animal-type foam according to weight
Amount compares 1：0.4 ratio mixing, is made tank, 10 centimeters of base thickness, water filling, three months ne-leakages.
Waterproofing tests, three months ne-leakage water are carried out to the roof waterproof system in embodiment 3.
Performance test is thermally shielded to the roof waterproof system in embodiment 3, when the testing time is noon 12, weather temperature
For 35 DEG C, roof waterproof system hull-skin temperature is 47 DEG C, and indoor temperature is 27 DEG C.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of waterproof reinforcing agent, it is characterised in that consist of the following composition：
2. a kind of water proofing property foam concrete, it is characterised in that be prepared from by cement slurry with expanding foam solution；The cement slurry
Weight ratio with foaming agent is 1：(0.01~0.05)；
3. water proofing property foam concrete according to claim 2, it is characterised in that the water proofing property foam concrete has
Close disconnected pore structure.
4. water proofing property foam concrete according to claim 3, it is characterised in that the aperture of the pore structure is 0.1~
0.5mm。
5. a kind of roof waterproof system, it is characterised in that including roof construction layer and the water proofing property being arranged on roof construction layer
Bubble concrete layer；The water proofing property bubble concrete layer is as the water proofing property foam concrete described in any one of claim 2~4
Formed.
6. roof waterproof system according to claim 5, it is characterised in that the thickness of the water proofing property bubble concrete layer
For 80~100mm.
7. roof waterproof system according to claim 5, it is characterised in that also including inorfil crack-resistant layer or organic material
Expect crack-resistant layer；The inorfil crack-resistant layer or organic material crack-resistant layer are arranged at the roof construction layer and mixed with water proofing property foam
Between solidifying soil layer.
8. roof waterproof system according to claim 7, it is characterised in that the inorfil crack-resistant layer or organic material
The thickness of crack-resistant layer is 0.5~5mm.
9. roof waterproof system according to claim 5, it is characterised in that also mixed including being arranged at the water proofing property foam
Cement mortar protective course on solidifying soil layer.
10. roof waterproof system according to claim 9, it is characterised in that the thickness of the cement mortar protective course is
20~30mm.
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| CN201510828016.6A CN105271916B (en) | 2015-11-25 | 2015-11-25 | Waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system |
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| CN201510828016.6A CN105271916B (en) | 2015-11-25 | 2015-11-25 | Waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system |
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| CN105645915A (en) * | 2016-03-01 | 2016-06-08 | 海南兆晟科技发展有限公司 | Ceramsite composite self-heat-insulation wall material and method for preparing same |
| CN105669240A (en) * | 2016-03-01 | 2016-06-15 | 海南兆晟科技发展有限公司 | Volcanic rock structure composite material and preparation method thereof |
| CN105645916A (en) * | 2016-03-01 | 2016-06-08 | 海南兆晟科技发展有限公司 | Self-insulation wall material and preparation method thereof |
| EP3418050A1 (en) | 2017-06-23 | 2018-12-26 | Sika Technology Ag | A waterproofing system |
| CN107572854B (en) * | 2017-08-31 | 2019-11-08 | 湖北工业大学 | A kind of prefabricated components cement-based gelling material Xu puts type reinforcing agent |
| CN111980311A (en) * | 2020-08-18 | 2020-11-24 | 福州大学 | Extruded sheet foam concrete waterproof and energy-saving integrated roof system for severe cold area and construction method thereof |
| CN115180889B (en) * | 2022-07-19 | 2023-07-04 | 海南大学 | Flame-retardant heat-insulating noise-reducing decorative plate and preparation method thereof |
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| CN101759411A (en) * | 2010-01-14 | 2010-06-30 | 赵国平 | Cement concrete |
| CN103723957A (en) * | 2013-12-10 | 2014-04-16 | 中铁四局集团钢结构有限公司 | Core veneer material for energy-saving light composite sandwich wallboard |
| CN104529273A (en) * | 2014-12-09 | 2015-04-22 | 李松涛 | Novel waterproof thermal-insulation mortar containing household garbage burning ash |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759411A (en) * | 2010-01-14 | 2010-06-30 | 赵国平 | Cement concrete |
| CN103723957A (en) * | 2013-12-10 | 2014-04-16 | 中铁四局集团钢结构有限公司 | Core veneer material for energy-saving light composite sandwich wallboard |
| CN104529273A (en) * | 2014-12-09 | 2015-04-22 | 李松涛 | Novel waterproof thermal-insulation mortar containing household garbage burning ash |
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