CN106699094A - Ardealite-based self-leveling material for architectural decoration project - Google Patents
Ardealite-based self-leveling material for architectural decoration project Download PDFInfo
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- CN106699094A CN106699094A CN201611222203.0A CN201611222203A CN106699094A CN 106699094 A CN106699094 A CN 106699094A CN 201611222203 A CN201611222203 A CN 201611222203A CN 106699094 A CN106699094 A CN 106699094A
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- ardealite
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- leveling material
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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
- C04B28/143—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 phosphogypsum
-
- 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
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of building intelligent installation project and discloses an ardealite-based self-leveling material for an architectural decoration project. The material comprises the following components in percentage by weight: 50-60% of modified ardealite, 10-15% of cement, 0-5% of lime, 1-5% of redispersible latex powder, 0.03-0.2% of a retarder, 0.05-0.1% of a thickening water retaining agent, 0.5-1% of a gypsum reinforcing agent, 0.5-1% of a leveling dispersing agent, 0.005-0.01% of an antifoaming agent and the balance of quartz sand tailings. The material disclosed by the invention has the advantages of high ardealite utilization rate, good performance and good economic and environmental protection benefits.
Description
Technical field
The invention belongs to building intelligent installing engineering technical field, and in particular to a kind of building decoration engineering is filled with building
Decorations engineering ardealite based self-leveling material.
Background technology
The waste residue that ardealite is discharged when being wet method manufacture phosphoric acid in phosphorous chemical industry, often produces 1 ton of phosphoric acid (with P2O5Meter) produce about
4.5~5.5 tons of by-product ardealite, about 80,000,000 tons of China ardealite yield in 2015, while China also has about 2.5 hundred million
The ardealite history of ton is stored up.The accumulation of substantial amounts of ardealite both land occupation, and waste of resource, wherein the acidity for containing and its
He easily pollutes harmful substance to surrounding enviroment, endangers ecological environment.Leaching Properties of Soluble Phosphorus, fluorine, organic matter in ardealite etc. are miscellaneous
Matter, setting time is long, the low adverse consequences of intensity the building gypsum plaster prepared using ardealite occurs, seriously governs phosphorus stone
The extensive application of cream.The improvement of ardealite and Utilizing question are a global problems.Many phosphate fertilizer producers bear heavy for this
Weight, ardealite problem has become the world-famous puzzle of the sustainable development of relation phosphorous chemical industry and environmental protection.
Main component in ardealite is calcium sulphate dihydrate, and it is in fact existing to imitate utilize main to make gypsum base building materials
Approach.Self-leveling material be one kind with Binder Materials as base-material, add various additives it is modified for the new of floor leveling
Earth material.Chinese patent CN102643065A discloses a kind of ardealite self-leveling material, changes in the invention self-leveling material
Property ardealite has only accounted for 30%.
The content of the invention
It is an object of the invention to provide a kind of building decoration engineering of ardealite consumption more than 50% with ardealite base from
Levelling material, reduce because ardealite discharge and caused by land seizure and environmental pollution problem.
To reach above-mentioned purpose, the present invention uses following technical scheme, and a kind of building decoration engineering ardealite base flows automatically
Flat material, each component percentage by weight is as follows：
Modified ardealite：50%-60%
Cement：10%-15%
Lime：0-5%
Latex powder：2%-5%
Retarder：0.03%-0.2%
Thickening water-loss reducer：0.05%-0.1%
Gypsum reinforcing agent：0.5%-1%
Levelling dispersant：0.5%-1%
Defoamer：0.005%-0.01%
Quartz sand mine tailing：Surplus
The preparation method of described modified ardealite is：By ardealite and the modifying agent for accounting for ardealite gross weight 5%-6%
Reaction 20h-25h is aged after being mixed with water, is then dried at 160 DEG C -180 DEG C and both obtained.
Described modifying agent is by steel-making slag powder, waterglass, ethanedioic acid triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid according to weight
Than 100:2-5:0.1-0.5:0.1-0.5 is constituted.
The waterglass solid content 38%-42%, modulus 2.5-3.2.
The cement is PO42.5 cement
The latex powder is ethene and vinyl chloride and vinyl laurate terpolymer latex powder, vinylacetate homopolymerization
One kind in latex powder.
The retarder is malic acid, citric acid, the five sodium-salt of diethylene-triamine pentaacetic acid, polyphosphate, chlorination
One or more in zinc, zinc sulfate.
Preferably, the retarder is by malic acid and zinc chloride by weight 1:8 compositions.
The thickening water-loss reducer is the one kind or in fish-bone albumen, cellulose ether, gelatin, peach gum, carboxymethyl starch ether
More than kind.
Preferably, institute's cellulose ether is hydroxypropyl methyl cellulose ether of the degree of etherification falling between 1.2-1.5.
The gypsum reinforcing agent is one or more in line borate, calgon, aluminum phosphate, sodium molybdate.
Preferably, the gypsum reinforcing agent compares 1 by aluminum phosphate and sodium molybdate according to weight:1 composition.
The levelling dispersant is made up of water reducer, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate.
Preferably, the levelling agent is pressed by by water reducer, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate
Weight compares 7:2:1 composition.
It is furthermore preferred that the water reducer is powder melamine water reducing agent.
The defoamer be tributyl phosphate, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether in one kind or
More than.
The quartz sand mine tailing is the mine tailing by being produced in float glass quartz sand powder process of manufacture, and fineness is
The mesh of 120 mesh -150.
Steel-making slag powder in the present invention in phosphogypsum modification agent can provide alkaline environment for system, in such circumstances slag and phosphorus
Gypsum can form entringite and C-S-H gels, form spacial framework, and calcium therein and aluminium can be with the sulfuric acid in ardealite
Calcium reacts, and forms the lower hydrated calcium aluminate sulfate class hydrated product of solubility, so that absorption calcium sulfate in ardealite is entered in solid solution
The impurity such as phosphorus, the fluorine on surface；Waterglass can be with the salt of the reaction generation indissoluble of the fluorine in ardealite；Ethanedioic acid triethylammonium tetrakis and second two
Amine tetramethylene phosphonic acid can occur complex reaction with calcium ion, generate the complex compound of stabilization, and this complex compound is attached to crystal table
Face, increased the surface energy of crystal, slow down crystalline growth velocity, make crystal Surface Generation Velocity difference, adjust crystal formation.Peach gum
There are thickening, water conservation with carboxymethyl starch ether, it is to avoid the isolation of self-leveling material of the present invention, bleeding problem.Defoamer can
Material internal defect is eliminated, the strength of materials is improved.
Beneficial effects of the present invention：
(1) ardealite utilization rate is high, can reduce ardealite, the land seizure that slag stacking is caused and surrounding environment is caused
Pollution, reduce the natural gypsum consumption, the dual characteristicses with recycling economy, low-carbon economy.
(2) rational proportion of various raw material causes that building decoration engineering ardealite based self-leveling material of the present invention has
Good performance.
Specific embodiment
Son illustrates the present invention with reference to embodiments.
Embodiment 1
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Modified ardealite
50%th, cement 10%, latex powder 2%, retarder 0.03%, thickening water-loss reducer 0.05%, gypsum reinforcing agent 0.5%, levelling point
Powder 0.5%, defoamer 0.005%, balance of quartz sand mine tailing；
The preparation method of described modified ardealite is：Ardealite is added water with the modifying agent for accounting for ardealite gross weight 5%
Reaction 20h is aged after well mixed, is then dried at 160 DEG C and both obtained, described modifying agent is by steel-making slag powder, waterglass, second two
Sour triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid compare 100 according to weight:2:0.5:0.1 composition, the waterglass solid content 38%,
Modulus 2.5.
The cement is PO42.5 cement.
The latex powder is ethene and vinyl chloride and vinyl laurate terpolymer latex powder.
The retarder is malic acid.
The thickening water-loss reducer is fish-bone albumen.
The gypsum reinforcing agent is line borate.
The levelling dispersant is by water reducer, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate according to weight
Amount compares 5:2:1 composition.
The defoamer is tributyl phosphate.
The quartz sand mine tailing is the mine tailing by being produced in float glass quartz sand powder process of manufacture, and fineness is
The mesh of 120 mesh -150.
Embodiment 2
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Modified ardealite
60%th, cement 15%, lime 5%, latex powder 5%, retarder 0.2%, thickening water-loss reducer 0.1%, gypsum reinforcing agent 1%, stream
Divide powder 1%, defoamer 0.01%, balance of quartz sand mine tailing equally；
The preparation method of described modified ardealite is：Ardealite is added water with the modifying agent for accounting for ardealite gross weight 6%
Reaction 25h is aged after well mixed, is then dried at 180 DEG C and both obtained, described modifying agent is by steel-making slag powder, waterglass, second two
Sour triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid compare 100 according to weight:5:0.1:0.5 composition.
The waterglass solid content 42%, modulus 3.2.
The cement is PO42.5 cement.
The latex powder is vinylacetate homopolymerization latex powder.
The retarder compares 1 by the five sodium-salt of diethylene-triamine pentaacetic acid, tripolyphosphate, zinc sulfate according to weight:
2:2 compositions.
The thickening water-loss reducer compares 1 by gelatin and peach gum according to weight:1 composition.
The gypsum reinforcing agent compares 1 by line borate, aluminum phosphate, sodium molybdate according to weight:1:1 composition.
The levelling dispersant is condensed sodium lignin sulfonate, dioctyl sodium sulfosuccinate by weight by water reducer, desugar
Than 5:3:1 composition.
The defoamer is by polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether by weight 1:1 composition.
The quartz sand mine tailing is the mine tailing by being produced in float glass quartz sand powder process of manufacture, and fineness is
The mesh of 120 mesh -150.
Embodiment 3
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Modified ardealite
58%th, cement 14%, quick lime 2%, latex powder 3%, retarder 0.15%, thickening water-loss reducer 0.08%, gypsum reinforcing agent
0.7%th, levelling dispersant 0.8%, defoamer 0.008%, balance of quartz sand mine tailing；
The preparation method of described modified ardealite is：Ardealite is added with the modifying agent for accounting for ardealite gross weight 5.5%
Reaction 24h is aged after water is well mixed, is then dried at 170 DEG C and both obtained, described modifying agent is by steel-making slag powder, waterglass, second
Diacid triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid compare 100 according to weight:3:0.5:0.5 composition.
The waterglass solid content 40%, modulus 3.0.
The cement is PO42.5 cement.
The latex powder is ethene and vinyl chloride and vinyl laurate terpolymer latex powder.
The retarder is by malic acid and zinc chloride by weight 1:8 compositions.
The thickening water-loss reducer is by hydroxypropyl methyl cellulose ether, peach gum, carboxymethyl starch ether according to 1:3:1 weight ratio
Composition, the degree of etherification falling of the hydroxypropyl methyl cellulose ether is between 1.2-1.5.
The gypsum reinforcing agent compares 1 by aluminum phosphate and sodium molybdate according to weight:1 composition.
The levelling agent is pressed by melamine water reducing agent, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate
Weight compares 7:2:1 composition.
The defoamer is by tributyl phosphate, polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether by weight 1:
1:1 composition.
The quartz sand mine tailing is the mine tailing by being produced in float glass quartz sand powder process of manufacture, and fineness is
The mesh of 120 mesh -150.
Embodiment 4
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Modified ardealite
60%th, cement 12%, white lime 1%, latex powder 3%, melamine water reducing agent 0.6%, retarder：0.03%-0.2%, increasing
Thick water-loss reducer：0.05%-0.1%, gypsum reinforcing agent：0.5%-1%, levelling dispersant：0.5%-1%, defoamer
0.007%th, balance of quartz sand mine tailing.
Embodiment 5
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Modified ardealite
55%th, cement 14%, lime 1%, vinylacetate homopolymerization latex powder 3%, citric acid 0.05%, diethylene-triamine pentaacetic acid
Five sodium-salt 0.05%, gelatin 0.05%, peach gum 0.02%, calgon 0.6%, sodium molybdate 0.1%, polycarboxylate water-reducer
0.5%th, desugar condensation sodium lignin sulfonate 0.1%, dioctyl sodium sulfosuccinate 0.05%, tributyl phosphate 0.002%, poly-
Oxygen ethene polyoxy propyl alcohol amidogen ether 0.003%, polypropylene glycerol aether 0.001%, peach gum 0.03%-0.08%, CMS
Ether 0.03%-0.08%, balance of quartz sand mine tailing；
The preparation method of described modified ardealite is：By ardealite and the modifying agent for accounting for ardealite gross weight 5%-6%
Reaction 20h-25h is aged after being mixed with water, is then dried at 160 DEG C -180 DEG C and both obtained.Described modifying agent is by slag
Powder, waterglass, ethanedioic acid triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid compare 100 according to weight:2-5:0.1-0.5:0.1-0.5 groups
Into.
The waterglass solid content 38%-42%, modulus 2.5-3.2.
Comparative example 1
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Original state ardealite
58%th, cement 14%, quick lime 2%, latex powder 3%, retarder 0.15%, thickening water-loss reducer 0.08%, gypsum reinforcing agent
0.7%th, levelling dispersant 0.8%, defoamer 0.008%, balance of quartz sand mine tailing；
The cement is PO42.5 cement.
The latex powder is ethene and vinyl chloride and vinyl laurate terpolymer latex powder.
The retarder is by malic acid and zinc chloride by weight 1:8 compositions.
The thickening water-loss reducer is by hydroxypropyl methyl cellulose ether, peach gum, carboxymethyl starch ether according to 1:3:1 weight ratio
Composition, the degree of etherification falling of the hydroxypropyl methyl cellulose ether is between 1.2-1.5.
The gypsum reinforcing agent compares 1 by aluminum phosphate and sodium molybdate according to weight:1 composition.
The levelling agent is pressed by melamine water reducing agent, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate
Weight compares 7:2:1 composition.
The defoamer is by tributyl phosphate, polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether by weight 1:
1:1 composition.
The quartz sand mine tailing is the mine tailing by being produced in float glass quartz sand powder process of manufacture, and fineness is
The mesh of 120 mesh -150.
Comparative example 2
A kind of building decoration engineering ardealite based self-leveling material, each component percentage by weight is as follows：Modified ardealite
58%th, cement 14%, quick lime 2%, latex powder 3%, retarder 0.15%, gypsum reinforcing agent 0.7%, levelling dispersant
0.8%th, defoamer 0.008%, balance of quartz sand mine tailing；
The preparation method of described modified ardealite is：Ardealite is added with the modifying agent for accounting for ardealite gross weight 5.5%
Reaction 24h is aged after water is well mixed, is then dried at 170 DEG C and both obtained, described modifying agent is by steel-making slag powder, waterglass, second
Diacid triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid compare 100 according to weight:3:0.5:0.5 composition.
The waterglass solid content 40%, modulus 3.0.
The cement is PO42.5 cement.
The latex powder is ethene and vinyl chloride and vinyl laurate terpolymer latex powder.
The retarder is by malic acid and zinc chloride by weight 1:8 compositions.
The gypsum reinforcing agent compares 1 by aluminum phosphate and sodium molybdate according to weight:1 composition.
The levelling agent is pressed by melamine water reducing agent, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate
Weight compares 7:2:1 composition.
The defoamer is by tributyl phosphate, polyoxyethylene polyoxy propyl alcohol amidogen ether and polypropylene glycerol aether by weight 1:
1:1 composition.
The quartz sand mine tailing is the mine tailing by being produced in float glass quartz sand powder process of manufacture, and fineness is
The mesh of 120 mesh -150.
Performance test
Reference standard JC/T1023-2007《Gypsum based self-leveling mortar》To embodiment of the present invention 1-5 and comparative example 1-2
Some main performances of self-leveling material be tested, as a result see the table below 1.
The material property of table 1
Claims (9)
1. a kind of building decoration engineering ardealite based self-leveling material, it is characterised in that each component percentage by weight is as follows：Change
Property ardealite 50%-60%, cement 10%-15%, lime 0-5%, latex powder 1%-5%, retarder 0.03%-0.2%, increase
Thick water-loss reducer 0.05%-0.1%, gypsum reinforcing agent 0.5%-1%, levelling dispersant 0.5%-1%, defoamer 0.005%-
0.01%th, balance of quartz sand mine tailing.
2. building decoration engineering according to claim 1 ardealite based self-leveling material, it is characterised in that described changes
The preparation method of property ardealite is：It is old after ardealite is mixed with water with the modifying agent for accounting for ardealite gross weight 5%-6%
Change reaction 20h-25h, then dried at 160 DEG C -180 DEG C and both obtained.
3. building decoration engineering according to claim 2 ardealite based self-leveling material, it is characterised in that described changes
Property agent compares 100 by steel-making slag powder, waterglass, ethanedioic acid triethylammonium tetrakis and ethylenediamine tetramethylene phosphonic acid according to weight:2-5:0.1-
0.5:0.1-0.5 is constituted.
4. building decoration engineering according to claim 1 ardealite based self-leveling material, the latex powder be ethene with
One kind in vinyl chloride and vinyl laurate terpolymer latex powder, vinylacetate homopolymerization latex powder.
5. building decoration engineering according to claim 1 ardealite based self-leveling material, the retarder be malic acid,
One or more in citric acid, the five sodium-salt of diethylene-triamine pentaacetic acid, polyphosphate, zinc chloride, zinc sulfate.
6. building decoration engineering according to claim 1 ardealite based self-leveling material, the thickening water-loss reducer is fish
One or more in SPP1, cellulose ether, gelatin, peach gum, carboxymethyl starch ether.
7. building decoration engineering according to claim 1 ardealite based self-leveling material, the gypsum reinforcing agent is boron
One or more in sour calcium, calgon, aluminum phosphate, sodium molybdate.
8. building decoration engineering according to claim 1 ardealite based self-leveling material, the levelling dispersant is by subtracting
Aqua, desugar condensation sodium lignin sulfonate, dioctyl sodium sulfosuccinate composition.
9. building decoration engineering according to claim 1 ardealite based self-leveling material, the defoamer is tricresyl phosphate
One or more in butyl ester, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851307A (en) * | 2019-03-15 | 2019-06-07 | 四川轻化工大学 | Phosphogypsum matrix building material and preparation method thereof |
| CN110436805A (en) * | 2018-05-04 | 2019-11-12 | 北新集团建材股份有限公司 | The method for innocent treatment of filleting land plaster and preparation method thereof and ardealite |
| CN111606647A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Phosphogypsum self-leveling mortar and preparation method thereof |
| CN112390607A (en) * | 2020-11-18 | 2021-02-23 | 中国建筑科学研究院有限公司 | Rock soil solidifying agent prepared from low-grade raw materials and preparation method thereof |
| CN115677315A (en) * | 2022-11-14 | 2023-02-03 | 贵州砂浆博士科技有限公司 | Phosphogypsum anti-cracking mortar and preparation method thereof |
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| CN102731047A (en) * | 2012-06-11 | 2012-10-17 | 西南科技大学 | Self-leveling mortar material with phosphogypsum as filling material, and preparation method thereof |
| CN103274659A (en) * | 2013-05-13 | 2013-09-04 | 武汉理工大学 | Ardealite-based self-leveling material |
| CN104692755A (en) * | 2015-02-02 | 2015-06-10 | 武汉理工大学 | Phosphogypsum-base self-leveling material and preparation method thereof |
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| CN102643065A (en) * | 2011-02-17 | 2012-08-22 | 徐迅 | Phosphogypsum self-leveling material |
| CN102731047A (en) * | 2012-06-11 | 2012-10-17 | 西南科技大学 | Self-leveling mortar material with phosphogypsum as filling material, and preparation method thereof |
| CN103274659A (en) * | 2013-05-13 | 2013-09-04 | 武汉理工大学 | Ardealite-based self-leveling material |
| CN104692755A (en) * | 2015-02-02 | 2015-06-10 | 武汉理工大学 | Phosphogypsum-base self-leveling material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436805A (en) * | 2018-05-04 | 2019-11-12 | 北新集团建材股份有限公司 | The method for innocent treatment of filleting land plaster and preparation method thereof and ardealite |
| CN109851307A (en) * | 2019-03-15 | 2019-06-07 | 四川轻化工大学 | Phosphogypsum matrix building material and preparation method thereof |
| CN111606647A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Phosphogypsum self-leveling mortar and preparation method thereof |
| CN112390607A (en) * | 2020-11-18 | 2021-02-23 | 中国建筑科学研究院有限公司 | Rock soil solidifying agent prepared from low-grade raw materials and preparation method thereof |
| CN115677315A (en) * | 2022-11-14 | 2023-02-03 | 贵州砂浆博士科技有限公司 | Phosphogypsum anti-cracking mortar and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106699094B (en) | 2018-12-04 |
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