CN107602059A - A kind of non-fading red facing mortar of environmental protection - Google Patents
A kind of non-fading red facing mortar of environmental protection Download PDFInfo
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- CN107602059A CN107602059A CN201710714773.XA CN201710714773A CN107602059A CN 107602059 A CN107602059 A CN 107602059A CN 201710714773 A CN201710714773 A CN 201710714773A CN 107602059 A CN107602059 A CN 107602059A
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Abstract
The invention belongs to building material technical field, discloses a kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:80 100 parts 40 50 parts of white portland cement, 13 parts of phosphor aluminate cement, 20 30 parts of calcining coal gangue powder, 38 parts of redispersable latex powder, 15 parts of nano silicon, 0.1 2 parts of rheological thickeners, 0.5 1 parts of water reducer, 0.5 1.5 parts of hydrophober, 0.2 0.8 parts of reinforcing agent, 0.1 1 parts of wetting dispersing agent, 0.01 0.05 parts of defoamer, 0.1 0.5 parts of phytic acid, washing of river sand.Each component synergy of the present invention, gained facing mortar are good without the accumulation of salt in the surface soil, no color differnece, mechanical property.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of non-fading red facing mortar of environmental protection.
Technical background
With the development of urban construction, people increasingly pay attention to repairing the decoration of exterior wall of building, have with coating etc.
Finish coat prepared by machine material is compared, and facing mortar has good matching and compatibility with outer heat preservation system, is adornd with ceramic tile
Face is compared, facing mortar layer thickness of thin, light weight, will not be showed because brick occurs in the problems such as blast during as skyscraper finish coat
As avoiding potential safety hazard.The species of facing mortar is broadly divided into three classes by formula point at present:Portland cement system,
Aluminate cement system and Portland cement and gypsum mixed system.Because caused Ca (OH) in hydrated reaction of cement2
Can gradually it be separated out to the CO in building surface, with air with the evaporation of moisture in mortar when being dissolved in water2Reaction is formed
White lithosomic body, easily there is accumulation of salt in the surface soil phenomenon in current facing mortar, and because the scattered uneven and Exposure to Sunlight of pigment is faded, easily goes out
Existing aberration phenomenon.
The content of the invention
For the present invention in view of the above-mentioned problems, providing a kind of non-fading red facing mortar of environmental protection, the mortar adds part
Industrial solid castoff is raw material, it is not necessary to separately plus pigment has red effect, and with good anti-accumulation of salt in the surface soil performance.For up to
To above-mentioned purpose, the present invention uses following technical scheme.
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
40-50 parts, phosphor aluminate cement 1-3 parts, calcining coal gangue powder 20-30 parts, redispersable latex powder 3-8 parts, nanometer titanium dioxide
Silicon 1-5 parts, rheological thickeners 0.1-2 parts, water reducer 0.5-1 parts, hydrophober 0.5-1.5 parts, reinforcing agent 0.2-0.8 parts, wetting
Dispersant 0.1-1 parts, defoamer 0.01-0.05 parts, phytic acid 0.1-0.5 parts, washing river sand 80-100 parts.
The white portland cement is to meet GB/T2015-2005《White portland cement》In 42.5 class requirements
White portland cement.
The phosphor aluminate cement be Chinese patent CN1498870 described in system binder materials, alkali content < 0.5%,
12h compression strength >=40MPa, 28d compression strength > 80MPa.
The calcining coal gangue powder be calcined by gangue at 700-900 DEG C after 1-2h grinding to specific surface area >=
450m2/ kg is obtained, loss on ignition≤5%, 7d activity >=80%, 28d activity >=90%.
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder or ethene-vinyl acetate-acrylate
Terpolymer latex powder.
The average grain diameter of the nano silicon is 15 ± 5nm, SiO2 content >=99.5%.
The rheological thickeners are by lithium magnesium silicate, carragheen, welan gum, hydroxypropyl starch ether, gamma-aminopropyl-triethoxy
Two or more composition in silane.
Preferably, the rheological thickeners by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight
10:4:1 composition.
The water reducer is naphthalene water reducer or polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 1-5:1 composition.
The reinforcing agent is made up of aminotriacetic acid and zinc acetate.
Preferably, the reinforcing agent is by aminotriacetic acid and zinc acetate by weight 1:1 composition.
The wetting dispersing agent by ethylene glycol ether acetate, tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt,
Two kinds in ethohexadiol and ethylene glycol and two or more compositions.
The defoamer is organic silicon defoamer or polyether antifoam agent.
Preferably, the defoamer is dimethyl silicone polymer.
Preferably, the washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
The addition of a small amount of phosphor aluminate cement, can promote the aquation of white cement in the present invention, and can absorb part OH-From
Son forms aluminium glue, absorbs Free Ca2+Generate aquation calcium phosphate and aquation phosphorus calcium aluminate, Ca (OH) in reduction system2Content, and then
Reduce the accumulation of salt in the surface soil;The forming process of calcining coal gangue powder passes through high-temperature calcination, has certain hydration activity, and outward appearance is red
Color, the color of facing mortar can be adjusted well;Redispersable latex powder can improve the adhesive property and water-resistance of mortar;Receive
Rice silica has fairly good activity, can absorb the Ca (OH) of part of cement aquation early stage production2, C-S-H gels are generated,
Simultaneously as nano silicon molecule is thinner, it can be filled into the space between cement granules, effectively reduce cement
Slight void in hardened paste, improve the compactness of cement slurry.Imitated in the active reaction and filling of active nano silica
Answer under collective effect so that the accumulation of salt in the surface soil performance of facing mortar significantly improves;Rheological thickeners have obvious thickening power, can improve
The viscosity and sag resistance of system, beneficial to constructing operation;Aluminium chloride can be with Ca (OH) caused by system aquation2It is anti-to produce chemistry
Should, gel aluminum hydroxide is generated, while acted on the drated calcium aluminate in system, generation has certain expansile double salt sulphur aluminium
Sour calcium crystal, fill in pore and space, the passage of obstruction hydrone migration, play waterproof action, the accumulation of salt in the surface soil can also be prevented;
Zinc stearate can be coated between mortar particle and form membrane structure, and the entrance of moisture is hindered when mortar soaks;Reinforcing agent
Can promotion system hydration reaction, improve intensity;Wetting dispersing agent promotes all kinds of materials in mortar to be uniformly dispersed, and can improve sand
The wetability to base material is starched, ethohexadiol and ethylene glycol therein can reduce the surface tension of capillary reclaimed water when mortar condenses,
Capillary pressure is reduced, accordingly reduces drying shrinkage;Defoamer can reduce the bubble in mortar, the intensity of reinforced mortar and water-fast
Property;Phytic acid can be with Ca2+Generate infusible precipitate, be fixedly arranged inside slurry, little particle precipitation can with dead air space, reduce water and move
Move, also fetter free Ca2+ potentiality.
Beneficial effects of the present invention mainly have at 2 points:
(1) calcining coal gangue powder is added in mortar, it is not necessary to which separately plus pigment is to have red effect, and uniform in color is colourless
Difference.
(2) each component synergy of the present invention, gained facing mortar are good without the accumulation of salt in the surface soil, no color differnece, mechanical property.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used for
The description and interpretation present invention, is not intended to limit the present invention.
Embodiment 1
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
40 parts, 3 parts of phosphor aluminate cement, 20 parts of calcining coal gangue powder, 8 parts of redispersable latex powder, 1 part of nano silicon, rheology
2 parts of thickener, 0.5 part of water reducer, 1.5 parts of hydrophober, 0.2 part of reinforcing agent, 1 part of wetting dispersing agent, 0.01 part of defoamer, phytic acid
80 parts 0.5 part, washing of river sand.
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder.
The average grain diameter of the nano silicon is 15nm, and SiO2 contents are 99.5%.
The rheological thickeners are made up of hydroxypropyl starch ether and gamma-aminopropyl-triethoxy-silane.
The water reducer is naphthalene water reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 1:1 composition.
The reinforcing agent is made up of aminotriacetic acid and zinc acetate.
The wetting dispersing agent is by ethylene glycol ether acetate and ethylene glycol by weight 1:1 composition.
The defoamer is polyether antifoam agent.
Embodiment 2
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
50 parts, 1 part of phosphor aluminate cement, 30 parts of calcining coal gangue powder, 3 parts of redispersable latex powder, 5 parts of nano silicon, rheology
0.1 part of thickener, 1 part of water reducer, 0.5 part of hydrophober, 0.8 part of reinforcing agent, 0.1 part of wetting dispersing agent, 0.05 part of defoamer, plant
100 parts 0.1 part of acid, washing of river sand.
The white portland cement is to meet GB/T 2015-2005《White portland cement》In 42.5 class requirements
White portland cement.
The phosphor aluminate cement be Chinese patent CN1498870 described in system binder materials, alkali content < 0.5%,
12h compression strength >=40MPa, 28d compression strength > 80MPa.
The calcining coal gangue powder be calcined by gangue at 700-900 DEG C after 1-2h grinding to specific surface area >=
450m2/ kg is obtained, loss on ignition≤5%, 7d activity >=80%, 28d activity >=90%.
The redispersable latex powder is ethene-vinyl acetate-acrylate terpolymer latex powder.
The average grain diameter of the nano silicon is 15 ± 5nm, SiO2 content >=99.5%.
The rheological thickeners are by lithium magnesium silicate, welan gum, hydroxypropyl starch ether by weight 8:3:1 composition.
The water reducer is polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 5:1 composition.
The reinforcing agent is by aminotriacetic acid and zinc acetate by weight 3:1 composition.
The wetting dispersing agent by ethylene glycol ether acetate, tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt,
By weight 1 in ethohexadiol and ethylene glycol:1:1:2:2 compositions.
The defoamer is organic silicon defoamer.
The washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
Embodiment 3
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
45 parts, 2 parts of phosphor aluminate cement, 25 parts of calcining coal gangue powder, 5 parts of redispersable latex powder, 4 parts of nano silicon, rheology
1 part of thickener, 0.8 part of water reducer, 1.2 parts of hydrophober, 0.6 part of reinforcing agent, 0.9 part of wetting dispersing agent, 0.04 part of defoamer, plant
90 parts 0.4 part of acid, washing of river sand.
The phosphor aluminate cement alkali content is 0.35%, 12h compression strength position 48.1MPa, and 28d compression strength is
90.30MPa。
The calcining coal gangue powder is to calcine after 2h grinding at 700 DEG C by gangue to specific surface area >=450m2/ kg is obtained
Arrive, loss on ignition 3%, 7d activity is that 82%, 28d activity is 93%.
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder.
The average grain diameter of the nano silicon is 16nm, and SiO2 contents are 99.7%.
The rheological thickeners are by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight 10:4:1
Composition.
The water reducer is polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 3:1 composition.
The reinforcing agent is by aminotriacetic acid and zinc acetate by weight 1:1 composition.
The wetting dispersing agent by tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt and ethylene glycol by weight
3:1:1 composition.
The defoamer is dimethyl silicone polymer.
The washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
Embodiment 4
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
42 parts, 2.6 parts of phosphor aluminate cement, 27 parts of calcining coal gangue powder, 6 parts of redispersable latex powder, 4 parts of nano silicon, stream
Become 1.4 parts of thickener, 0.7 part of water reducer, 1.1 parts of hydrophober, 0.4 part of reinforcing agent, 0.8 part of wetting dispersing agent, defoamer 0.04
92 parts part, 0.3 part of phytic acid, washing of river sand.
The calcining coal gangue powder is to calcine after 1h grinding at 900 DEG C by gangue to specific surface area >=450m2/ kg is obtained
Arrive, loss on ignition≤5%, 7d activity >=80%, 28d activity >=90%.
The redispersable latex powder is ethene-vinyl acetate-acrylate terpolymer latex powder.
The average grain diameter of the nano silicon is 12nm, and SiO2 contents are 99.5%.
The rheological thickeners are by lithium magnesium silicate, welan gum and gamma-aminopropyl-triethoxy-silane by weight 10:4:1
Composition.
The water reducer is powder polycarboxylic acids water reducing agent.
The hydrophober is by aluminium chloride and zinc stearate by weight 2:1 composition.
The reinforcing agent is by aminotriacetic acid and zinc acetate by weight 1:2 compositions.
The wetting dispersing agent is made up of alkyl sulfosuccinic monoesters disodium salt and ethohexadiol.
The defoamer is organic silicon defoamer.
Embodiment 5
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
48 parts, 1.8 parts of phosphor aluminate cement, 22 parts of calcining coal gangue powder, 4 parts of redispersable latex powder, 3 parts of nano silicon, stream
Become 2 parts of thickener, 0.9 part of water reducer, 0.8 part of hydrophober, 0.4 part of reinforcing agent, 0.7 part of wetting dispersing agent, 0.03 part of defoamer,
86 parts 0.2 part of phytic acid, washing of river sand.
Comparative example 1
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
45 parts, 25 parts of calcining coal gangue powder, 5 parts of redispersable latex powder, 4 parts of nano silicon, 1 part of rheological thickeners, water reducer
0.8 part, 1.2 parts of hydrophober, 0.6 part of reinforcing agent, 0.9 part of wetting dispersing agent, 0.04 part of defoamer, 0.4 part of phytic acid, washing river sand
90 parts.
The calcining coal gangue powder is to calcine after 2h grinding at 700 DEG C by gangue to obtain to specific surface area >=450m2/kg
Arrive, loss on ignition 3%, 7d activity is that 82%, 28d activity is 93%.
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder.
The average grain diameter of the nano silicon is 16nm, and SiO2 contents are 99.7%.
The rheological thickeners are by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight 10:4:1
Composition.
The water reducer is polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 3:1 composition.
The reinforcing agent is by aminotriacetic acid and zinc acetate by weight 1:1 composition.
The wetting dispersing agent by tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt and ethylene glycol by weight
3:1:1 composition.
The defoamer is dimethyl silicone polymer.
The washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
Comparative example 2
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
45 parts, 2 parts of phosphor aluminate cement, 5 parts of redispersable latex powder, 4 parts of nano silicon, 1 part of rheological thickeners, water reducer
0.8 part, 1.2 parts of hydrophober, 0.6 part of reinforcing agent, 0.9 part of wetting dispersing agent, 0.04 part of defoamer, 0.4 part of phytic acid, washing river sand
90 parts.
The phosphor aluminate cement alkali content is 0.35%, 12h compression strength position 48.1MPa, and 28d compression strength is
90.30MPa。
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder.
The average grain diameter of the nano silicon is 16nm, and SiO2 contents are 99.7%.
The rheological thickeners are by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight 10:4:1
Composition.
The water reducer is polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 3:1 composition.
The reinforcing agent is by aminotriacetic acid and zinc acetate by weight 1:1 composition.
The wetting dispersing agent by tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt and ethylene glycol by weight
3:1:1 composition.
The defoamer is dimethyl silicone polymer.
The washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
Comparative example 3
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
45 parts, 2 parts of phosphor aluminate cement, 25 parts of calcining coal gangue powder, 5 parts of redispersable latex powder, 4 parts of nano silicon, rheology
1 part of thickener, 0.8 part of water reducer, 1.2 parts of hydrophober, 0.6 part of reinforcing agent, 0.9 part of wetting dispersing agent, 0.04 part of defoamer, water
Wash 90 parts of river sand.
The phosphor aluminate cement alkali content is 0.35%, 12h compression strength position 48.1MPa, and 28d compression strength is
90.30MPa。
The calcining coal gangue powder is to calcine after 2h grinding at 700 DEG C by gangue to specific surface area >=450m2/ kg is obtained
Arrive, loss on ignition 3%, 7d activity is that 82%, 28d activity is 93%.
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder.
The average grain diameter of the nano silicon is 16nm, and SiO2 contents are 99.7%.
The rheological thickeners are by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight 10:4:1
Composition.
The water reducer is polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 3:1 composition.
The reinforcing agent is by aminotriacetic acid and zinc acetate by weight 1:1 composition.
The wetting dispersing agent by tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt and ethylene glycol by weight
3:1:1 composition.
The defoamer is dimethyl silicone polymer.
The washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
Comparative example 4
A kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement
45 parts, 2 parts of phosphor aluminate cement, 25 parts of calcining coal gangue powder, 5 parts of redispersable latex powder, 4 parts of nano silicon, rheology
1 part of thickener, 0.8 part of water reducer, 1.2 parts of hydrophober, 0.9 part of wetting dispersing agent, 0.04 part of defoamer, 0.4 part of phytic acid, washing
90 parts of river sand.
The phosphor aluminate cement alkali content is 0.35%, 12h compression strength position 48.1MPa, and 28d compression strength is
90.30MPa。
The calcining coal gangue powder is to calcine after 2h grinding at 700 DEG C by gangue to specific surface area >=450m2/ kg is obtained
Arrive, loss on ignition 3%, 7d activity is that 82%, 28d activity is 93%.
The redispersable latex powder is ethylene-vinyl acetate copolymer latex powder.
The average grain diameter of the nano silicon is 16nm, and SiO2 contents are 99.7%.
The rheological thickeners are by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight 10:4:1
Composition.
The water reducer is polycarboxylate water-reducer.
The hydrophober is by aluminium chloride and zinc stearate by weight 3:1 composition.
The wetting dispersing agent by tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt and ethylene glycol by weight
3:1:1 composition.
The defoamer is dimethyl silicone polymer.
The washing river sand particle diameter is the mesh continuous grading of 90 mesh -250.
Performance test
With reference to JC/T 1024-2007《Wall facing mortar》Experimental method, to embodiment 1 --- embodiment 5 and right
The mortar of the gained of ratio 1 --- comparative example 5 carries out performance test, as a result see the table below 1.
The performance test results of table 1
It should be noted that above-described embodiment is only the preferred embodiment of the present invention, it is not intended to limit the present invention, according to
The modification carried out according to the technical scheme described in embodiment, and equivalent substitution, improvement etc. are carried out to which part technical characteristic,
It should be included in the scope of the protection.
Claims (10)
1. a kind of non-fading red facing mortar of environmental protection, is made up of the raw material of following parts by weight:White portland cement 40-
50 parts, phosphor aluminate cement 1-3 parts, calcining coal gangue powder 20-30 parts, redispersable latex powder 3-8 parts, nano silicon 1-
5 parts, rheological thickeners 0.1-2 parts, water reducer 0.5-1 parts, hydrophober 0.5-1.5 parts, reinforcing agent 0.2-0.8 parts, wetting and dispersing
Agent 0.1-1 parts, defoamer 0.01-0.05 parts, phytic acid 0.1-0.5 parts, washing river sand 80-100 parts.
2. a kind of non-fading red facing mortar of environmental protection according to claim 1, it is characterised in that described redispersible
Latex powder is ethylene-vinyl acetate copolymer latex powder or ethene-vinyl acetate-acrylate terpolymer latex powder.
A kind of 3. non-fading red facing mortar of environmental protection according to claim 1, it is characterised in that the rheology thickening
Agent by two kinds in lithium magnesium silicate, carragheen, welan gum, hydroxypropyl starch ether, gamma-aminopropyl-triethoxy-silane or two kinds with
Upper composition.
A kind of 4. non-fading red facing mortar of environmental protection according to claim 3, it is characterised in that the rheology thickening
Agent is by lithium magnesium silicate, carragheen and gamma-aminopropyl-triethoxy-silane by weight 10:4:1 composition.
A kind of 5. non-fading red facing mortar of environmental protection according to claim 1, it is characterised in that the hydrophober by
Aluminium chloride and zinc stearate are by weight 1-5:1 composition.
A kind of 6. non-fading red facing mortar of environmental protection according to claim 1, it is characterised in that the reinforcing agent by
Aminotriacetic acid and zinc acetate composition.
A kind of 7. non-fading red facing mortar of environmental protection according to claim 6, it is characterised in that the reinforcing agent by
Aminotriacetic acid and zinc acetate are by weight 1:1 composition.
A kind of 8. non-fading red facing mortar of environmental protection according to claim 1, it is characterised in that the wetting and dispersing
Agent is by two in ethylene glycol ether acetate, tetrasodium pyrophosphate, alkyl sulfosuccinic monoesters disodium salt, ethohexadiol and ethylene glycol
Kind and two or more compositions.
9. a kind of non-fading red facing mortar of environmental protection according to claim 1, it is characterised in that the defoamer is
Organic silicon defoamer or polyether antifoam agent.
A kind of 10. non-fading red facing mortar of environmental protection according to claim 9, it is characterised in that the defoamer
For dimethyl silicone polymer.
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CN110590314A (en) * | 2019-10-30 | 2019-12-20 | 西南科技大学 | Method for preparing dry-mixed mortar and high-strength artificial stone by quickly decarbonizing coal gangue |
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Cited By (2)
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CN109111902A (en) * | 2018-08-09 | 2019-01-01 | 李志平 | A kind of oil well second interface reinforcing agent and preparation method thereof |
CN110590314A (en) * | 2019-10-30 | 2019-12-20 | 西南科技大学 | Method for preparing dry-mixed mortar and high-strength artificial stone by quickly decarbonizing coal gangue |
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