CN114853437A - Phosphogypsum-based light plastering gypsum for hollow internal mold metal net wall - Google Patents
Phosphogypsum-based light plastering gypsum for hollow internal mold metal net wall Download PDFInfo
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- CN114853437A CN114853437A CN202210563068.5A CN202210563068A CN114853437A CN 114853437 A CN114853437 A CN 114853437A CN 202210563068 A CN202210563068 A CN 202210563068A CN 114853437 A CN114853437 A CN 114853437A
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- gypsum
- phosphogypsum
- agent
- internal mold
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- 239000010440 gypsum Substances 0.000 title claims abstract description 74
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 74
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 38
- 239000002184 metal Substances 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 22
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007665 sagging Methods 0.000 claims abstract description 13
- 229940080314 sodium bentonite Drugs 0.000 claims abstract description 13
- 229910000280 sodium bentonite Inorganic materials 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- 230000009974 thixotropic effect Effects 0.000 claims abstract description 12
- 239000013053 water resistant agent Substances 0.000 claims abstract description 12
- 229920002472 Starch Polymers 0.000 claims abstract description 11
- 238000005336 cracking Methods 0.000 claims abstract description 11
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 11
- 239000008107 starch Substances 0.000 claims abstract description 11
- 235000019698 starch Nutrition 0.000 claims abstract description 11
- 239000012745 toughening agent Substances 0.000 claims abstract description 11
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 9
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 9
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 9
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 229910052925 anhydrite Inorganic materials 0.000 claims 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000004568 cement Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000002367 phosphate rock Substances 0.000 description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000011509 cement plaster Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- -1 phosphorus compound Chemical class 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall comprises, by mass, 50-450 parts of a gypsum high-strength agent, 50-450 parts of a gypsum water-resistant agent, 50-120 parts of sodium bentonite, 50-250 parts of vitrified micro bubbles or 50-200 parts of calcined ceramic particles, 50-200 parts of an anti-sagging agent, 1800 parts of calcined phosphogypsum, 1-8 parts of a thixotropic lubricant, 10-80 parts of hydroxypropyl methyl cellulose, 5-50 parts of an anti-cracking reinforcing agent, 1-30 parts of starch ether and 1-50 parts of an inorganic toughening agent. The plastering gypsum base has the advantages of light weight, high strength, stable and reliable product and low manufacturing cost, can meet the requirements of different strengths, different sound insulation and heat preservation and different regional climates of building design, effectively reduces the weight of the hollow internal mold metal mesh wall body due to light weight, and improves the shock resistance and the heat preservation of the building.
Description
Technical Field
The invention relates to the technical field of building plastering materials, in particular to a phosphogypsum-based light plastering gypsum for a hollow internal mold metal mesh wall.
Background
The hollow internal mold metal net wall is formed by spraying plastering gypsum on a steel mesh and then plastering, is widely applied to partition walls of high-rise buildings such as airports, schools, hospitals and the like due to good earthquake resistance, and is used in the traditional hollow internal mold metal net wallThe cement mortar is prepared by spraying a metal net, and the weight of each square meter of the net wall reaches 120-140 kilograms, so that the building is weighed too much. For this reason, some manufacturers have tried to reduce the amount of cement used, and have used cement plaster to spray metal mesh, which can improve the shock resistance of the hollow metal mesh partition wall, but because of the heavy weight of the added cement, the amount of cement used on the hollow internal mold metal mesh wall reaches 100kg/m 2， Therefore, the weight bearing capacity of the whole building is greatly increased, and the light effect cannot be achieved; compared with the traditional cement plastering material, the plastering gypsum has the characteristics of light weight, no hollowing cracking, good hygroscopicity, good volume stability, excellent fire resistance and the like and is widely applied, but the traditional plastering gypsum has stronger corrosivity to the metal mesh of the hollow internal mold metal mesh wall and is not easy to be used for the hollow internal mold metal mesh wall.
Phosphogypsum is used as a byproduct in the production of high-concentration phosphorus compound fertilizer and phosphoric acid industry, and is accumulated in a large amount, so that land resources are occupied, and environment and underground water are seriously polluted due to the fact that the phosphogypsum contains a large amount of harmful impurities. However, the phosphogypsum has the advantages of light weight, low cost and the like, and if the phosphogypsum can be fully utilized to manufacture the hollow inner mold metal net wall, a large amount of accumulated phosphogypsum can be consumed to reduce resource waste and environmental pollution, and the hollow inner mold metal net wall with light weight and excellent performance can be provided to meet the requirements of the building market. However, unlike desulfurized gypsum, phosphogypsum has unstable performance, and particularly has low utilization rate due to high impurity content, so that no one can successfully prepare a plastering product for manufacturing a hollow internal mold metal mesh wall by using the phosphogypsum.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall body, which has the advantages of light weight, high strength, stable and reliable product quality and low manufacturing cost, and is used for reducing the weight of the hollow internal mold metal mesh wall body and improving the heat insulation performance of a building.
The purpose of the invention is realized by the following technical scheme:
the phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall comprises, by mass, 50-450 parts of a gypsum high-strength agent, 50-450 parts of a gypsum water-resistant agent, 50-120 parts of sodium bentonite, 50-250 parts of vitrified micro bubbles, 50-200 parts of an anti-sagging agent, 1800 parts of calcined phosphogypsum, 1-8 parts of a thixotropic lubricant, 10-80 parts of hydroxypropyl methyl cellulose, 5-50 parts of an anti-cracking reinforcing agent, 1-30 parts of starch ether and 1-50 parts of an inorganic toughening agent.
The phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall comprises, by mass, 50-450 parts of a gypsum high-strength agent, 50-450 parts of a gypsum water-resistant agent, 50-120 parts of sodium bentonite, 50-200 parts of calcined ceramic particles, 50-200 parts of an anti-sagging agent, 1800 parts of calcined phosphogypsum, 1-8 parts of a thixotropic lubricant, 10-80 parts of hydroxypropyl methyl cellulose, 5-50 parts of an anti-cracking reinforcing agent, 1-30 parts of starch ether and 1-50 parts of an inorganic toughening agent.
Further, the calcined phosphogypsum is calcined building gypsum, the content of CaSO 4.0.5H 2O is more than 60 percent, the breaking strength of 2H is more than or equal to 3MPa, the compressive strength of 2H is more than or equal to 6MPa, and the fineness is 120-200 meshes.
Further, the fineness of the sodium bentonite is 200-300 meshes.
Furthermore, the fineness of the vitrified micro bubbles is 40-200 meshes.
Furthermore, the fineness of the calcined pottery grains is 20-60 meshes.
In the formula of the invention, the gypsum reinforcing agent can improve the strength and the surface hardness of the plastering gypsum. The gypsum water-resistant agent can form a hydrophobic film on the surface of the plastering gypsum to play a role in water resistance, and also has a certain air entraining function, micro-bubbles are formed inside the plastering gypsum to block a pore passage, so that water molecules are prevented from entering the plastering gypsum, and the water resistance is further improved. The thixotropic lubricant can prolong the opening time of the plastering gypsum, improve the construction lubricity, improve the thixotropy, the anti-sagging property and the yield value of the plastering gypsum and reduce the resistance during flowing. The anti-sagging agent can improve the anti-sagging performance of the plastering gypsum. The expanding agent can make the plastering gypsum expand in a certain volume; the sodium bentonite and the phosphogypsum form a grain grading effect, and are filled in the pores of the phosphogypsum and the vitrified micro bubbles, so that the compactness of gypsum plaster is increased, and the strength and the water resistance of the plaster are improved.
The invention has the following advantages:
1. the plaster gypsum of the invention is not added with cement, and the added vitrified micro bubbles effectively reduce the weight of the phosphogypsum-based light heat-preservation plaster gypsum to 50kg/m 3 The light plastering gypsum which is far lower than the national standard is less than or equal to 100kg/m 3 The amount of the hollow internal mold metal net wall is 18-30kg/m 2 The dosage of the exterior wall is 100kg/m 2 And the vitrified micro bubbles are used as lightweight aggregate, so that the flowability and the self-resistance strength of the plastering gypsum are improved, the material shrinkage rate is reduced, the comprehensive performance of the product is improved, the comprehensive production cost is reduced, the water resistance and the construction performance are improved, and the vitrified micro bubbles have certain particle strength due to surface vitrification, strong aging resistance and weather resistance, and excellent heat insulation, fire prevention, sound absorption and other properties.
2. The matching of the gypsum high-strength agent, the gypsum water-resistant agent, the inorganic toughening agent and the starch ether changes that the traditional plastering gypsum can not be used in the hollow internal mold metal net wall body due to poor strength and water resistance; the gelatinization toughening changes the corrosion of the traditional plastering gypsum to the metal mesh, and is the plastering gypsum special for the hollow internal mold metal mesh wall; the calcined ceramic particles added according to the design requirements meet different engineering requirements of strength and moisture retention; the mineral thixotropic lubricant can greatly improve the construction performance of the plastering gypsum and has smoother construction hand feeling.
3. The building gypsum calcined by the industrial byproduct phosphogypsum is used as a raw material, so that solid waste is utilized to the maximum extent, the high-strength agent generates a chemical reaction after the phosphogypsum-based light heat-preservation plastering gypsum is added with water, the activity of the phosphogypsum is greatly excited, and the strength of the phosphogypsum-based light heat-preservation plastering gypsum is improved.
The gypsum high-strength agent, the gypsum water-resistant agent, the sodium bentonite, the glass vitrified micro bubbles, the anti-sagging agent, the thixotropic lubricant, the anti-cracking reinforcing agent, the starch ether, the inorganic toughening agent and the calcined pottery granules are all directly purchased and sold mature products.
Detailed Description
The present invention will be further illustrated with reference to the following examples.
Example 1
The phosphogypsum-based light plastering gypsum for the hollow inner mold metal mesh wall comprises, by mass, 100 parts of a gypsum high-strength agent, 80 parts of a gypsum water-resistant agent, 90 parts of sodium bentonite, 100 parts of vitrified micro bubbles, 60 parts of a sagging prevention agent, 700 parts of phosphorite gypsum powder, 8 parts of a thixotropic lubricant, 70 parts of hydroxypropyl methyl cellulose, 45 parts of an anti-cracking reinforcing agent, 25 parts of starch ether and 30 parts of an inorganic toughening agent.
Example 2
The phosphogypsum-based light plastering gypsum for the hollow inner mold metal mesh wall comprises, by mass, 50 parts of a gypsum high-strength agent, 100 parts of a gypsum water-resistant agent, 60 parts of sodium bentonite, 50 parts of vitrified micro bubbles, 50 parts of an anti-sagging agent, 500 parts of phosphorite gypsum powder, 6 parts of a thixotropic lubricant, 50 parts of hydroxypropyl methyl cellulose, 20 parts of an anti-cracking reinforcing agent, 15 parts of starch ether and 40 parts of an inorganic toughening agent.
Example 3
The phosphogypsum-based light plastering gypsum for the hollow inner mold metal mesh wall comprises, by mass, 90 parts of a gypsum high-strength agent, 120 parts of a gypsum water-resistant agent, 70 parts of sodium bentonite, 50 parts of calcined ceramic particles, 100 parts of an anti-sagging agent, 400 parts of phosphorite gypsum powder, 5 parts of a thixotropic lubricant, 40 parts of hydroxypropyl methyl cellulose, 30 parts of an anti-cracking reinforcing agent, 10 parts of starch ether and 10 parts of an inorganic toughening agent.
Example 4
The phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall comprises, by mass, 150 parts of a gypsum high-strength agent, 120 parts of a gypsum water-resistant agent, 110 parts of sodium bentonite, 200 parts of calcined ceramic particles, 80 parts of an anti-sagging agent, 600 parts of phosphorite gypsum powder, 5 parts of a thixotropic lubricant, 80 parts of hydroxypropyl methyl cellulose, 30 parts of an anti-cracking reinforcing agent, 35 parts of starch ether and 40 parts of an inorganic toughening agent.
The phosphogypsum-based light plastering gypsum for the hollow internal mold metal net wall prepared in the embodiments 1 to 4 meets the requirements of national standard plastering gypsum GBT28627-2012 and relevant standards through performance tests, is light and high in strength, and is low in usage amount per square meter on the hollow internal mold metal net wall, so that the weight of the hollow internal mold metal net wall is reduced, the heat conductivity coefficient is low, and the heat preservation performance of a building is improved.
The raw materials of the building gypsum calcined by the phosphogypsum are wide and easy to obtain, and the formula is adjusted within the proportioning range of the invention according to different requirements of engineering on strength, heat preservation or water resistance to meet the requirements of different regional climates and building designs when actually selected.
Claims (6)
1. The phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall is characterized by comprising, by mass, 50-450 parts of a gypsum high-strength agent, 50-450 parts of a gypsum water-resistant agent, 50-120 parts of sodium bentonite, 50-250 parts of vitrified micro bubbles, 50-200 parts of an anti-sagging agent, 1800 parts of calcined phosphogypsum, 1-8 parts of a thixotropic lubricant, 10-80 parts of hydroxypropyl methyl cellulose, 5-50 parts of an anti-cracking reinforcing agent, 1-30 parts of starch ether and 1-50 parts of an inorganic toughening agent.
2. The phosphogypsum-based light plastering gypsum for the hollow internal mold metal mesh wall is characterized by comprising 50-450 parts of gypsum high-strength agent, 50-450 parts of gypsum water-resistant agent, 50-120 parts of sodium bentonite, 50-200 parts of calcined ceramic particles, 50-200 parts of anti-sagging agent, 1800 parts of calcined phosphogypsum, 1-8 parts of thixotropic lubricant, 10-80 parts of hydroxypropyl methyl cellulose, 5-50 parts of anti-cracking reinforcing agent, 1-30 parts of starch ether and 1-50 parts of inorganic toughening agent by mass.
3. The phosphogypsum-based lightweight plastering gypsum for the hollow internal mold metal net wall according to claim 1 or 2, characterized in that: the calcined phosphogypsum is calcined building gypsum, the content of CaSO4 & 0.5H2O is more than 60%, the rupture strength for 2H is more than or equal to 3MPa, the compressive strength for 2H is more than or equal to 6MPa, and the fineness is 120-mesh and 200-mesh.
4. The phosphogypsum-based lightweight plastering gypsum for the hollow internal mold metal net wall according to claim 1 or 2, characterized in that: the fineness of the sodium bentonite is 200-300 meshes.
5. The phosphogypsum-based light plastering gypsum for the hollow internal mold metal net wall according to claim 1, which is characterized in that: the fineness of the vitrified micro bubbles is 40-200 meshes.
6. The phosphogypsum-based light plastering gypsum for the hollow internal mold metal net wall body according to claim 2, is characterized in that: the fineness of the calcined pottery particles is 20-60 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210563068.5A CN114853437A (en) | 2022-05-23 | 2022-05-23 | Phosphogypsum-based light plastering gypsum for hollow internal mold metal net wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210563068.5A CN114853437A (en) | 2022-05-23 | 2022-05-23 | Phosphogypsum-based light plastering gypsum for hollow internal mold metal net wall |
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| Publication Number | Publication Date |
|---|---|
| CN114853437A true CN114853437A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210563068.5A Pending CN114853437A (en) | 2022-05-23 | 2022-05-23 | Phosphogypsum-based light plastering gypsum for hollow internal mold metal net wall |
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| CN (1) | CN114853437A (en) |
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|---|---|---|---|---|
| CN109025296A (en) * | 2018-08-22 | 2018-12-18 | 上海中绿建材有限公司 | A kind of lightweight plastering gupsum and facing putty integrated construction technique |
| CN110451912A (en) * | 2019-08-13 | 2019-11-15 | 武汉理工大学 | A kind of light thermal-insulation water proof type plastering ardealite material |
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| CN112624642A (en) * | 2020-12-31 | 2021-04-09 | 湖北聚海环境科技有限公司 | Device for exercising and regenerating phosphogypsum by using high-temperature ceramsite and use method thereof |
| CN113582651A (en) * | 2021-08-13 | 2021-11-02 | 江苏蓝圈新材料股份有限公司 | Light plastering gypsum mortar with strong bonding force and preparation method thereof |
| CN114105597A (en) * | 2021-12-15 | 2022-03-01 | 上海宝冶工程技术有限公司 | Lightweight plastering gypsum material |
| CN114276107A (en) * | 2021-12-24 | 2022-04-05 | 泰山石膏有限公司 | Quick-calcined light plastering gypsum and preparation method thereof |
-
2022
- 2022-05-23 CN CN202210563068.5A patent/CN114853437A/en active Pending
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| CN109025296A (en) * | 2018-08-22 | 2018-12-18 | 上海中绿建材有限公司 | A kind of lightweight plastering gupsum and facing putty integrated construction technique |
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| CN110451912A (en) * | 2019-08-13 | 2019-11-15 | 武汉理工大学 | A kind of light thermal-insulation water proof type plastering ardealite material |
| CN112624642A (en) * | 2020-12-31 | 2021-04-09 | 湖北聚海环境科技有限公司 | Device for exercising and regenerating phosphogypsum by using high-temperature ceramsite and use method thereof |
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Application publication date: 20220805 |