CN106187007B - Pumice slab and preparation method thereof - Google Patents
Pumice slab and preparation method thereof Download PDFInfo
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- CN106187007B CN106187007B CN201610534248.5A CN201610534248A CN106187007B CN 106187007 B CN106187007 B CN 106187007B CN 201610534248 A CN201610534248 A CN 201610534248A CN 106187007 B CN106187007 B CN 106187007B
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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
- C04B28/14—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 containing calcium sulfate cements
- C04B28/142—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 containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of pumice slab, the pumice slab includes the ingredient of following parts by weight：100 200 parts of float stone, 60 90 parts of flyash, 40 60 parts of lime stone, 5 10 parts of desulfurated plaster, 20 30 parts of alumina, 15 20 parts of illite, 10 20 parts of zeolite, 35 parts of the first additive, 35 parts of the second additive, 100 150 parts of 15 20 parts of chopped carbon fiber, 5~10 parts of rice straw and water.The invention also discloses a kind of pumice slab preparation methods as described above.The pumice slab of the present invention has preferable mechanical property.The pumice slab preparation method of the present invention, can prepare the pumice slab with preferable mechanical property.
Description
Technical field
The present invention relates to structural lumber technical field, more particularly to a kind of pumice slab and preparation method thereof.
Background technology
Flyash is the fine ash that catching is got off from the flue gas after coal combustion, is the Industry Waste of China's current emissions amount maximum
One of slag, a large amount of flyash is untreated, will generate airborne dust, pollutes air；River can be caused to silt up if being discharged into water system, and
Toxic chemical substance therein can also damage to human body and biology.The particle of flyash is tiny, contained main component
SiO2And Al2O3It is the important component for preparing construction material.It, not only can be in the raw material that flyash incorporation is prepared to pumice slab
Reduce the use of other resources, moreover it is possible to consume flyash, reduce the harm of flyash.Therefore, preparing has preferable mechanical property
The pumice slab containing flyash can have preferable application prospect.
Invention content
The purpose of the present invention is to provide a kind of pumice slabs, have preferable mechanical property.
Another object of the present invention is to provide a kind of pumice slab preparation method, can prepare with preferable mechanical property
Pumice slab.
Technical scheme is as follows：
A kind of pumice slab, the pumice slab include the ingredient of following parts by weight：100-200 parts of float stone, flyash 60-90
Part, 40-60 parts of lime stone, 5-10 parts of desulfurated plaster, 20-30 parts of alumina, 15-20 parts of illite, 10-20 parts of zeolite, outside first
Add 3-5 parts of agent, 3-5 parts of the second additive, 100-150 parts of 15-20 parts of chopped carbon fiber, 5~10 parts of rice straw and water.
Further, the pumice slab includes the ingredient of following parts by weight：150-180 parts of float stone, 80-90 parts of flyash, stone
45-50 parts of lime stone, 7-9 parts of desulfurated plaster, 20-25 parts of calcined bauxite in powder, 18-20 parts of illite powder, 15-18 parts of zeolite powder, outside first
Add 120-130 parts of 3.5-4 parts of agent, 3-3.5 parts of the second additive, 16-19 parts of chopped carbon fiber, 7~8 parts of rice straw and water.
Further：A diameter of 9~12 μm of chopped carbon fiber, length are 3~15mm；And/or the grain size of float stone for 1~
1.5mm；And/or the grain size of flyash is 30~50 μm；And/or the grain size of lime stone is 50~100 μm；And/or desulfurization stone
The grain size of cream is 50~100 μm；And/or the grain size of alumina is 0.8~1.5mm；And/or illitic grain size is 50~80 μ
m；And/or the grain size of zeolite is 60~100 μm；And/or the grain size of rice straw is 50~100 μm.
Further, first additive includes：Sodium carbonate and sodium metasilicate.
Further：The mass ratio of sodium carbonate and sodium metasilicate is 1:2~1:3.
Further, second additive includes：Triethanolamine and sodium carboxymethylcellulose.
Further：The mass ratio of triethanolamine and sodium carboxymethylcellulose is 2:1~3:1.
And a kind of pumice slab preparation method as described above, including：First additive is molten into first with water dissolution
Liquid；Chopped carbon fiber, rice straw and the second additive are added to after mixing in first solution, are uniformly mixed
To the first slurries；Float stone, flyash, lime stone, desulfurated plaster, alumina, illite and zeolite are added to institute after mixing
It states in the first slurries, is uniformly mixing to obtain mixed slurry；The mixed slurry is injected into mold, quiet to stop, compression moulding obtains base
Body；The green body steam curing is obtained into the pumice slab.
Further：The quiet time stopped is 2~6h.
Further：The pressure of the compression moulding is 20-60t/m2。
Further：The steam-cured time is 50~60 DEG C, and the steam-cured time is 15~20h.
Compared with prior art, the present invention has the following advantages：
1st, pumice slab of the invention has excellent mechanical property, and compression strength is 15~21MPa, and anti-water absorption rate is not more than
1%, linear shrinkage ratio is not more than 0.32%.
2nd, pumice slab preparation method of the invention, can prepare the pumice slab with excellent mechanical property, the pumice slab
Compression strength for 15~21MPa, anti-water absorption rate is not more than 1%, and linear shrinkage ratio is not more than 0.32%.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, make with reference to embodiment into one
Step detailed description.
The invention discloses a kind of pumice slabs.The pumice slab includes the ingredient of following parts by weight：
100-200 parts of float stone, 60-90 parts of flyash, 40-60 parts of lime stone, 5-10 parts of desulfurated plaster, 20-30 parts of alumina,
15-20 parts of illite, 10-20 parts of zeolite, 3-5 parts of the first additive, 3-5 parts of the second additive, 15-20 parts of chopped carbon fiber,
100-150 parts of 5~10 parts of rice straw and water.
The pumice slab of the present invention, not only with excellent mechanical property, but also is utilized trade waste flyash, rice
The raw materials such as stalk have the advantages that energy-saving and environmental protection, can hold sexual development, preserve the ecological environment.The source of the raw material of the present invention is wide
It is general, it can be achieved that the comprehensive utilization of resource.
The ability that alumina is antiacid, basic clinker corrodes is strong, and elevated temperature strength is high, and it is preferable can so that the pumice slab prepared has
Corrosion resistance and fire resistance.Illite has heat-resisting superior chemical property, can improve the fire resistance of pumice slab.
Zeolite has micropore or nano-pore structure, is suitably incorporated zeolite, not only can further mitigate the weight of pumice slab, and can
Improve the shock resistance of pumice slab.Rice straw is a kind of plant fiber, and the anti-of pumice slab can be improved by adding in rice straw
Folding endurance energy is conducive to reduce linear shrinkage ratio.
Preferably, which includes the ingredient of following parts by weight：150-180 parts of float stone, 80-90 parts of flyash, lime
It is 45-50 parts of stone, 7-9 parts of desulfurated plaster, 20-25 parts of calcined bauxite in powder, 18-20 parts of illite powder, 15-18 parts of zeolite powder, first additional
120-130 parts of 3.5-4 parts of agent, 3-3.5 parts of the second additive, 16-19 parts of chopped carbon fiber, 7~8 parts of rice straw and water.
It is furthermore preferred that a diameter of 9~12 μm of chopped carbon fiber, length is 3~15mm.Chopped carbon fiber has excellent
Intensity prepares pumice slab as one of raw material, can improve the mechanical property of pumice slab.With the diameter of chopped carbon fiber
With the increase of length, be conducive to improve the compression strength of pumice slab；But the diameter of chopped carbon fiber and length are too big so that
Raw material mixing is uneven, is unfavorable for the whole compression strength of pumice slab, therefore, by repeated multiple times experiment, determines the present invention
Chopped carbon fiber have upper diameter and length.
It is furthermore preferred that the grain size of float stone is 1~1.5mm.The grain size of flyash is 30~50 μm.The grain size of lime stone is 50
~100 μm.The grain size of desulfurated plaster is 50~100 μm.The grain size of alumina is 0.8~1.5mm.Illitic grain size is 50~80
μm.The grain size of zeolite is 60~100 μm.The grain size of rice straw is 50~100 μm.
By the collocation of the grain size of above-mentioned each raw material, it can make each raw material that can not only play its optimal mechanical property,
Also so that can be uniformly mixed between each raw material；After compression moulding, between the raw material of different-grain diameter size is mutually filled
The gap of generation so that the pumice slab of preparation is closely knit, has preferable anti-water absorption rate and smaller linear shrinkage ratio.
It is furthermore preferred that the first additive includes：Sodium carbonate and sodium metasilicate.Wherein, the mass ratio of sodium carbonate and sodium metasilicate is
1:2~1:3.Sodium carbonate can improve the basicity of raw material.Sodium metasilicate is a kind of cementitious material, is conducive to raw material is cemented together.
It is furthermore preferred that the second additive includes：Triethanolamine and sodium carboxymethylcellulose.Wherein, triethanolamine and carboxylic first
The mass ratio of base sodium cellulosate is 2:1~3:1.Triethanolamine can improve the freeze-proof of pumice slab.Sodium carboxymethylcellulose adds in
It can make aqueous solution that there is caking property in water, be conducive to make each raw material cemented together.
The invention also discloses a kind of pumice slab preparation methods as described above.The preparation method specifically includes following step
Suddenly：
Step S10：By the first additive and water dissolution into the first solution.
Step S20：Chopped carbon fiber, rice straw and the second additive are added to after mixing in the first solution,
It is uniformly mixed and obtains the first slurries.
Chopped carbon fiber and rice straw are fiber-like raw material, and being easier to will be outside the two and the second of mainly organic matter
Agent is added to mix.
Step S30：Float stone, flyash, lime stone, desulfurated plaster, alumina, illite and zeolite are added in after mixing
Into the first slurries, it is uniformly mixing to obtain mixed slurry.
Preferably, above-mentioned raw materials are uniformly mixed by dry-mixed method.
Step S40：Mixed slurry is injected into mold, quiet to stop, compression moulding obtains green body.
Wherein, the quiet time stopped is 2~6h, preferably 3~5h.The pressure of compression moulding is 20-60t/m2, preferably
50-60t/m2。
Step S50：Green body steam curing is obtained into pumice slab.
Wherein, the steam-cured time is 50~60 DEG C, and the steam-cured time is 15~20h.
The preparation method of the present invention is simple, reasonable, can prepare the pumice slab with excellent mechanical performance.
With specific embodiment, the following further describes the technical solution of the present invention below.
Embodiment 1
First additive, 4.5 parts by weight and 100 parts by weight of water are dissolved into the first solution.Wherein, the first additive includes
Sodium carbonate and sodium metasilicate.The mass ratio of sodium carbonate and sodium metasilicate is 1:2.By 16 parts by weight of chopped carbon fiber, 10 weight of rice straw
Amount part and 5 parts by weight of the second additive are added to after mixing in the first solution, are uniformly mixed and are obtained the first slurries.Wherein,
Second additive includes triethanolamine and sodium carboxymethylcellulose.The mass ratio of triethanolamine and sodium carboxymethylcellulose is 2.7:
1.By 100 parts by weight of float stone, 70 parts by weight of flyash, 40 parts by weight of lime stone, 10 parts by weight of desulfurated plaster, 27 weight of alumina
Part, 16 parts by weight of illite and 15 parts by weight of zeolite are added to after mixing in the first slurries, are uniformly mixing to obtain mixing slurry
Material.Mixed slurry is injected into mold, quiet to stop, compression moulding obtains green body.Wherein, the quiet time stopped is 4h.The pressure of compression moulding
Power is 30t/m2.Green body steam curing is obtained into pumice slab.Wherein, the steam-cured time is 50 DEG C, the steam-cured time
For 18h.
The compression strength for the pumice slab that embodiment 1 is prepared be 17MPa, anti-water absorption rate 0.85%, linear shrinkage ratio
0.27%.
Embodiment 2
First additive, 3 parts by weight and 130 parts by weight of water are dissolved into the first solution.Wherein, the first additive includes carbon
Sour sodium and sodium metasilicate.The mass ratio of sodium carbonate and sodium metasilicate is 1:2.5.By 20 parts by weight of chopped carbon fiber, 12 weight of rice straw
Amount part and 5 parts by weight of the second additive are added to after mixing in the first solution, are uniformly mixed and are obtained the first slurries.Wherein,
Second additive includes triethanolamine and sodium carboxymethylcellulose.The mass ratio of triethanolamine and sodium carboxymethylcellulose is 2:1.
By 180 parts by weight of float stone, 60 parts by weight of flyash, 48 parts by weight of lime stone, 8 parts by weight of desulfurated plaster, 20 parts by weight of alumina, she
Sharp 20 parts by weight of stone and 10 parts by weight of zeolite are added to after mixing in the first slurries, are uniformly mixing to obtain mixed slurry.It will
Mixed slurry injects mold, and quiet to stop, compression moulding obtains green body.Wherein, the quiet time stopped is 6h.The pressure of compression moulding is
60t/m2.Green body steam curing is obtained into pumice slab.Wherein, the steam-cured time is 55 DEG C, and the steam-cured time is
20h。
The compression strength for the pumice slab that embodiment 2 is prepared be 18.7MPa, anti-water absorption rate 0.83%, linear shrinkage ratio
0.30%.
Embodiment 3
First additive, 5 parts by weight and 130 parts by weight of water are dissolved into the first solution.Wherein, the first additive includes carbon
Sour sodium and sodium metasilicate.The mass ratio of sodium carbonate and sodium metasilicate is 1:2.8.By 15 parts by weight of chopped carbon fiber, 5 weight of rice straw
Part and 3 parts by weight of the second additive are added to after mixing in the first solution, are uniformly mixed and are obtained the first slurries.Wherein,
Two additives include triethanolamine and sodium carboxymethylcellulose.The mass ratio of triethanolamine and sodium carboxymethylcellulose is 3:1.It will
200 parts by weight of float stone, 80 parts by weight of flyash, 55 parts by weight of lime stone, 5 parts by weight of desulfurated plaster, 22 parts by weight of alumina, Erie
16 parts by weight of stone and 18 parts by weight of zeolite are added to after mixing in the first slurries, are uniformly mixing to obtain mixed slurry.It will be mixed
Slurry injection mold is closed, quiet to stop, compression moulding obtains green body.Wherein, the quiet time stopped is 2h.The pressure of compression moulding is 20t/
m2.Green body steam curing is obtained into pumice slab.Wherein, the steam-cured time is 60 DEG C, and the steam-cured time is 16h.
The compression strength for the pumice slab that embodiment 3 is prepared be 15MPa, anti-water absorption rate 0.95%, linear shrinkage ratio
0.29%.
Embodiment 4
First additive, 4 parts by weight and 150 parts by weight of water are dissolved into the first solution.Wherein, the first additive includes carbon
Sour sodium and sodium metasilicate.The mass ratio of sodium carbonate and sodium metasilicate is 1:3.By 18 parts by weight of chopped carbon fiber, 6 parts by weight of rice straw
It is added to after mixing in the first solution with 3.5 parts by weight of the second additive, is uniformly mixed and obtains the first slurries.Wherein,
Two additives include triethanolamine and sodium carboxymethylcellulose.The mass ratio of triethanolamine and sodium carboxymethylcellulose is 2.5:1.
By 120 parts by weight of float stone, 90 parts by weight of flyash, 60 parts by weight of lime stone, 6 parts by weight of desulfurated plaster, 30 parts by weight of alumina, she
Sharp 15 parts by weight of stone and 20 parts by weight of zeolite are added to after mixing in the first slurries, are uniformly mixing to obtain mixed slurry.It will
Mixed slurry injects mold, and quiet to stop, compression moulding obtains green body.Wherein, the quiet time stopped is 5h.The pressure of compression moulding is
20t/m2.Green body steam curing is obtained into pumice slab.Wherein, the steam-cured time is 60 DEG C, and the steam-cured time is
15h。
The compression strength for the pumice slab that embodiment 4 is prepared be 15.5MPa, anti-water absorption rate 0.78%, linear shrinkage ratio
0.25%.
Embodiment 5
First additive, 3.5 parts by weight and 120 parts by weight of water are dissolved into the first solution.Wherein, the first additive includes
Sodium carbonate and sodium metasilicate.The mass ratio of sodium carbonate and sodium metasilicate is 1:2.5.By 16 parts by weight of chopped carbon fiber, 8 weight of rice straw
Amount part and 3.5 parts by weight of the second additive are added to after mixing in the first solution, are uniformly mixed and are obtained the first slurries.Its
In, the second additive includes triethanolamine and sodium carboxymethylcellulose.The mass ratio of triethanolamine and sodium carboxymethylcellulose is
2.5:1.By 150 parts by weight of float stone, 90 parts by weight of flyash, 45 parts by weight of lime stone, 7 parts by weight of desulfurated plaster, 25 weight of alumina
Amount part, 18 parts by weight of illite and 18 parts by weight of zeolite are added to after mixing in the first slurries, are uniformly mixing to obtain mixing
Slurry.Mixed slurry is injected into mold, quiet to stop, compression moulding obtains green body.Wherein, the quiet time stopped is 5h.Compression moulding
Pressure is 60t/m2.Green body steam curing is obtained into pumice slab.Wherein, the steam-cured time is 50 DEG C, when steam-cured
Between be 17h.
The compression strength for the pumice slab that embodiment 5 is prepared be 20.6MPa, anti-water absorption rate 0.75%, linear shrinkage ratio
0.22%.
Embodiment 6
First additive, 34 parts by weight and 130 parts by weight of water are dissolved into the first solution.Wherein, the first additive includes carbon
Sour sodium and sodium metasilicate.The mass ratio of sodium carbonate and sodium metasilicate is 1:2.5.By 19 parts by weight of chopped carbon fiber, 7 weight of rice straw
Part and 3 parts by weight of the second additive are added to after mixing in the first solution, are uniformly mixed and are obtained the first slurries.Wherein,
Two additives include triethanolamine and sodium carboxymethylcellulose.The mass ratio of triethanolamine and sodium carboxymethylcellulose is 2.5:1.
By 180 parts by weight of float stone, 80 parts by weight of flyash, 50 parts by weight of lime stone, 9 parts by weight of desulfurated plaster, 20 parts by weight of alumina, she
Sharp 20 parts by weight of stone and 15 parts by weight of zeolite are added to after mixing in the first slurries, are uniformly mixing to obtain mixed slurry.It will
Mixed slurry injects mold, and quiet to stop, compression moulding obtains green body.Wherein, the quiet time stopped is 3h.The pressure of compression moulding is
50t/m2.Green body steam curing is obtained into pumice slab.Wherein, the steam-cured time is 50 DEG C, and the steam-cured time is
17h。
The compression strength for the pumice slab that embodiment 6 is prepared be 21MPa, anti-water absorption rate 0.73%, linear shrinkage ratio
0.23%.
It above to technical scheme of the present invention, is described in detail, specific case used herein is to the present invention's
Principle and embodiment is expounded, and the explanation of above example is only intended to help to understand core concept of the invention；Together
When, for the thought of those of ordinary skill in the art, according to the present invention embodiment, in specific embodiments and applications
There will be changes, in conclusion the content of the present specification should not be construed as the limitation to the embodiment of the present invention.
Claims (8)
1. a kind of pumice slab, which is characterized in that the pumice slab includes the ingredient of following parts by weight：100-200 parts of float stone, fine coal
60-90 parts grey, 40-60 parts of lime stone, 5-10 parts of desulfurated plaster, 20-30 parts of alumina, 15-20 parts of illite, 10-20 parts of zeolite,
First 3-5 parts of additive, 3-5 parts of the second additive, 15-20 parts of chopped carbon fiber, 5~10 parts of rice straw and water 100-150
Part；First additive includes：Sodium carbonate and sodium metasilicate, second additive include：Triethanolamine and carboxymethyl cellulose
Plain sodium.
2. pumice slab as described in claim 1, which is characterized in that the pumice slab includes the ingredient of following parts by weight：Float stone
150-180 parts, 80-90 parts of flyash, 45-50 parts of lime stone, 7-9 parts of desulfurated plaster, 20-25 parts of calcined bauxite in powder, illite powder 18-
20 parts, 15-18 parts of zeolite powder, 3.5-4 parts of the first additive, 3-3.5 parts of the second additive, 16-19 parts of chopped carbon fiber, rice
120-130 parts of 7~8 parts of stalk and water.
3. pumice slab as claimed in claim 1 or 2, it is characterised in that：
A diameter of 9~12 μm of chopped carbon fiber, length are 3~15mm；And/or
The grain size of float stone is 1~1.5mm；And/or
The grain size of flyash is 30~50 μm；And/or
The grain size of lime stone is 50~100 μm；And/or
The grain size of desulfurated plaster is 50~100 μm；And/or
The grain size of alumina is 0.8~1.5mm；And/or
Illitic grain size is 50~80 μm；And/or
The grain size of zeolite is 60~100 μm；And/or
The grain size of rice straw is 50~100 μm.
4. pumice slab as described in claim 1, it is characterised in that：The mass ratio of sodium carbonate and sodium metasilicate is 1:2~1:3.
5. pumice slab as described in claim 1, it is characterised in that：The mass ratio of triethanolamine and sodium carboxymethylcellulose is 2:
1~3:1.
6. a kind of pumice slab preparation method as described in Claims 1 to 5 is any, which is characterized in that including：
By the first additive and water dissolution into the first solution；
Chopped carbon fiber, rice straw and the second additive are added to after mixing in first solution, are uniformly mixed
Obtain the first slurries；
Float stone, flyash, lime stone, desulfurated plaster, alumina, illite, zeolite are added to first slurry after mixing
In liquid, it is uniformly mixing to obtain mixed slurry；
The mixed slurry is injected into mold, quiet to stop, compression moulding obtains green body；
The green body steam curing is obtained into the pumice slab.
7. pumice slab preparation method as claimed in claim 6, it is characterised in that：The pressure of the compression moulding is 20-60t/
m2。
8. pumice slab preparation method as claimed in claim 6, it is characterised in that：The steam-cured time is 50~60
DEG C, the steam-cured time is 15~20h.
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|---|---|---|---|
| CN201610534248.5A CN106187007B (en) | 2016-07-07 | 2016-07-07 | Pumice slab and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106187007B true CN106187007B (en) | 2018-06-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477075A (en) * | 2002-08-19 | 2004-02-25 | 胡永忠 | Building wastes strap board and production method |
| CN1785887A (en) * | 2005-10-21 | 2006-06-14 | 杨立峰 | Light heat insulating sound proofing wall partition board and its production method |
| CN101687703A (en) * | 2007-07-05 | 2010-03-31 | 美国石膏公司 | Lightweight cementitious compositions and building products and methods for making same |
-
2016
- 2016-07-07 CN CN201610534248.5A patent/CN106187007B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477075A (en) * | 2002-08-19 | 2004-02-25 | 胡永忠 | Building wastes strap board and production method |
| CN1785887A (en) * | 2005-10-21 | 2006-06-14 | 杨立峰 | Light heat insulating sound proofing wall partition board and its production method |
| CN101687703A (en) * | 2007-07-05 | 2010-03-31 | 美国石膏公司 | Lightweight cementitious compositions and building products and methods for making same |
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| CN106187007A (en) | 2016-12-07 |
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