CN107746233A - A kind of mortar for building and its production method - Google Patents
A kind of mortar for building and its production method Download PDFInfo
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- CN107746233A CN107746233A CN201711176321.7A CN201711176321A CN107746233A CN 107746233 A CN107746233 A CN 107746233A CN 201711176321 A CN201711176321 A CN 201711176321A CN 107746233 A CN107746233 A CN 107746233A
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Classifications
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous 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
- 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
-
- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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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
A kind of mortar for building, the mortar include the raw material of following parts by weight：Binder materials：60~80；Polycarboxylate dehydragent：0.5~1.5；Anti-settling agent：0.1~0.4；Corrosion inhibitor：1~3；Defoamer：0.4~2；Binder materials includes the raw material of following parts by weight：Portland cement：70~90；Sulfoaluminate clinker powder：5~10；Active mineral admixture：5~25；Composite activating agent：0.4~0.7.Product of the present invention has both had that gravity flowing levelling mortar good fluidity, Self-leveling ability were good, solidification and fast drying, the performance characteristics of low-shrinkage, it may have anticracking grout low temperature flexibility, crack resistance, the characteristics of adhesion strength is high.
Description
Technical field
The present invention relates to a kind of technical field of slurry, is applied to industrial civil building, highway, iron more particularly to one kind
The mortar for building and its production method in the fields such as road, hydroelectric project.
Background technology
Mortar be in architectural engineering application amount it is big, using one of wide construction material, be widely used in the block of building
The engineering such as build and wipe one's face.More than 60% building is still continuing to use the materials for walls such as brick, building block in the current architectural engineering in China, builds
The building mortar build, used in plastering construction is still based on cement mortar or mixed mortar.
The crack of mortar and infiltration are phenomenons very universal in architectural engineering, the generation and extension in crack, it will cause
Building masonry wall seepage and rendering layer come off, and then cause the carbonization of interior layer concrete or masonry to be corroded, and make later stage building
Bulk strength reduces, and endangers the service life of building, and serious will cause building to be lost using function.Building construction
Crack and seepage are not only made troubles to people's lives, are returned country and are caused very big economic loss.According to statistics, China is often only
Expense for percolating water maintenance is just more than 2,000,000,000 yuan.The usage amount of annual mortar is up to 7.5 hundred million m3.If building mortar
With anti-crack and anti-seepage performance, the huge maintenance brought by mortar cracking and seepage and rehabilitation expense will be reduced, saved substantial amounts of
Construction fund, therefore mortar has higher requirement to the function of anti-crack and anti-seepage.
The anti-permeability performance of ordinary mortar, humidity resistance are poor, it is impossible to meet requirement of the block masonry to mortar performance, from state
From the point of view of inside and outside research, solution main at present is modified by materials such as extraneous component or auxiliary agents, is thus made
The main impervious moistureproof mortar species obtained has：（1）Polymer mortar, polymer is as a kind of extraneous component in cement base gelling material
It is widely used in material, including polymer latex, redispersible polymer powder, its advantage are the additions of polymer
It can improve or improve cement mortar and the performance such as the intensity of concrete, deformation performance, caking property, water proofing property and durability.But
It is in traditional polymer mortar compound method.Polymer volume (solid point) typically constitutes from the 5~15% of cement weight, often
The cost of square mortar or concrete will increase hundreds of members down to thousands of members；Simultaneously as the hydrophily of polymer is inadequate, it is also easy to produce
Bleeding, often need to add water-loss reducer, so that the cost of mortar is higher so that polymer mortar is difficult for vast construction market
Receive.（2）Fiber-reinforced mortar, fiber applications, can be effective because its chemical stability is good in cement mortar and concrete
Mortar and the concrete crack problem as caused by contraction are controlled, improves their cracking resistance, anti-permeability performance, improves freezing tolerance；
Have the advantages that joined technical is simple, cheap, easy for construction simultaneously, but because its price is high, be commercially difficult at present
Promote.
Building mortar can be divided into structural material, ornament materials and some proprietary materials.Structural material include timber, bamboo wood,
Stone material, portland cement, concrete, metal, brick and tile, ceramics, glass work plastics, composite etc..Due to building mortar
Extensive use, all trades and professions also have higher requirement to building mortar, and should hope for success this reduction, require excellent material performance again,
Therefore, there is an urgent need for a kind of new technical scheme to solve above-mentioned technical problem.
The content of the invention
To solve above-mentioned problem, it is an object of the invention to provide a kind of mortar for building and its production method, fits
Mortar for building and its production method for fields such as industrial civil building, highway, railway, hydroelectric projects.
The technical solution adopted in the present invention is：
A kind of mortar for building, the mortar include the raw material of following parts by weight：
Binder materials：60~80；
Polycarboxylate dehydragent：0.5~1.5；
Anti-settling agent：0.1~0.4；
Corrosion inhibitor：1~3；
Defoamer：0.4~2；
Binder materials includes the raw material of following parts by weight：
Portland cement：70~90；
Sulfoaluminate clinker powder：5~10；
Active mineral admixture：5~25；
Composite activating agent：0.4~0.7.
Portland cement is portland cement more than 52.5 labels.
Sulfoaluminate clinker powder be with calcium carbonate, bloodstone, kaolinite and gypsum according to weight proportion be 3:2:3:1, warp
After crossing 1300 ~ 1350 DEG C of calcinings, then percentage by weight is filled as made by 3-5% marbles and 3-5% granite intergrindings
Chamotte powder.
Active mineral admixture includes the raw material of following parts by weight：Bentonite ore 20~40, anhydrite 2~10, three second
Alcohol amine phosphate 0.3~0.5；Its preparation method：Bentonite ore is crushed to 0.5-5mm, obtains fines；By fines and anhydrite
It is well mixed, obtain compound；Carry out grinding after adding triethanolamine phosphate in compound, to the ㎡ of specific surface area >=450/
Kg, obtain the active mineral admixture.
Composite activating agent is to mix vulcanized sodium, sodium hydroxide with naphthalenesulfonic acid-formaldehyde condensate, and it is different to add catalyst three
Propanolamine and barium salt are formulated；The addition of wherein each component is：Vulcanized sodium 25-30 parts, sodium hydroxide 20-25 parts, naphthalene sulphur
Sour sodium formaldehyde condensation product 6-8 parts, triisopropanolamine 0.2-0.4 parts, barium salt 15-20 parts.
Corrosion inhibitor includes the raw material of following parts by weight：Calcium nitrite 20~30, calgon 3~5, zinc oxide 3~
5, sodium benzoate 12~14, SAS 0.1~0.3, volcanic ash 40~60.
Defoamer is polyethers defoamer or poly- tetramethyl type siloxane defoamer.
Polycarboxylate water-reducer includes the raw material of following parts by weight：15~20 parts of ethyl acrylate, 5~8 parts of polyacrylamide,
5~10 parts of sodium acid carbonate, 5~10 parts of sodium carboxymethylcellulose, 8~10 parts of molasses, dodecyl sodium sulfate 0.5-2 parts, water 30-
60 parts；Preparation method is that above-mentioned raw materials are heated into 20 DEG C~50 DEG C, is stirred, and is produced within 3~5 minutes.
Anti-settling agent is aerosil.
Described mortar for building, its production method comprise the following steps：
A. the grinding of binder materials：By portland cement and sulfoaluminate clinker powder, active mineral admixture, composite activating agent powder
It is milled to specific surface area 500-600 ㎡/kg；
B. hybrid technique：Binder materials that grinding has been homogenized, polycarboxylate dehydragent, anti-settling agent, corrosion inhibitor, defoamer are by setting
The ratio counted is added in mixing grinding machine and is sufficiently mixed, and mortar for building is made after homogenizing is handled.
The application method of present invention mortar for building is：During use according to the ratio of mud be 0.15:1 is stirred after mixing i.e.
Can.
Beneficial effects of the present invention：
1st, for product of the present invention in the case of low water binder ratio, slurry has high fluidity, and slurry goes out machine initial flow degree for 10-17
Second, fluidity was remained within 25 seconds within 60 minutes；
2nd, slurry not bleeding, the toughness of slurry is high, and slurry sinkage does not occur, and fresh paste keeps good in work progress
Good homogeneity, mechanical property is balanced after hardening；
3rd, product of the present invention ensures deformed bar not corrosion, beneficial to raising armored concrete using unique corrosion inhibitor formula
Security and durability；
4th, product of the present invention is both good with gravity flowing levelling mortar good fluidity, Self-leveling ability, solidification and fast drying, low-shrinkage
Performance characteristics, it may have anticracking grout low temperature flexibility, crack resistance, the characteristics of adhesion strength is high；
5th, construction usage is easy to operate, easily controllable quality.
Embodiment
Embodiment 1
A kind of mortar for building, the mortar include the raw material of following parts by weight：Binder materials：60；Polycarboxylate dehydragent：
0.5；Anti-settling agent：0.1；Corrosion inhibitor：1；Defoamer：0.4；Binder materials includes the raw material of following parts by weight：Portland cement：
70；Sulfoaluminate clinker powder：5；Active mineral admixture：5；Composite activating agent：0.4.
Portland cement is portland cement more than 52.5 labels.Sulfoaluminate clinker powder be with calcium carbonate, bloodstone,
Kaolinite and gypsum are 3 according to weight proportion:2:3:1, after 1300 ~ 1350 DEG C of calcinings, then it is 3- to fill percentage by weight
Chamotte powder made by 5% marble and 3-5% granite intergrindings.
Active mineral admixture includes the raw material of following parts by weight：Bentonite ore 20, anhydrite 2, triethanolamine phosphoric acid
Salt 0.3；Its preparation method：Bentonite ore is crushed to 0.5-5mm, obtains fines；Fines is well mixed with anhydrite, obtained
Compound；Grinding is carried out after adding triethanolamine phosphate in compound, to specific surface area >=450 ㎡/kg, obtains the work
Property mineral admixture.
Composite activating agent is to mix vulcanized sodium, sodium hydroxide with naphthalenesulfonic acid-formaldehyde condensate, and it is different to add catalyst three
Propanolamine and barium salt are formulated；The addition of wherein each component is：25 parts of vulcanized sodium, 20 parts of sodium hydroxide, sodium naphthalene sulfonate first
6 parts of aldehyde condensate, 0.2 part of triisopropanolamine, 15 parts of barium salt.
Corrosion inhibitor includes the raw material of following parts by weight：Calcium nitrite 20, calgon 3, zinc oxide 3, sodium benzoate
12, SAS 0.13, volcanic ash 40.
Defoamer is polyethers defoamer or poly- tetramethyl type siloxane defoamer.
Polycarboxylate water-reducer includes the raw material of following parts by weight：15 parts of ethyl acrylate, 5 parts of polyacrylamide, bicarbonate
5 parts of sodium, 5 parts of sodium carboxymethylcellulose, 8 parts of molasses, 0.5 part of dodecyl sodium sulfate, 30 parts of water；Preparation method is by above-mentioned original
Material is heated to 20 DEG C~50 DEG C, stirs, produces within 3~5 minutes.
Anti-settling agent is aerosil.
Described mortar for building, its production method comprise the following steps：
A. the grinding of binder materials：By portland cement and sulfoaluminate clinker powder, active mineral admixture, composite activating agent powder
It is milled to specific surface area 500-600 ㎡/kg；
B. hybrid technique：Binder materials that grinding has been homogenized, polycarboxylate dehydragent, anti-settling agent, corrosion inhibitor, defoamer are by setting
The ratio counted is added in mixing grinding machine and is sufficiently mixed, and mortar for building is made after homogenizing is handled.
The application method of present invention mortar for building is：During use according to the ratio of mud be 0.15:1 is stirred after mixing i.e.
Can.
Inspection data is as follows：
Table 1
Embodiment 2
A kind of mortar for building, the mortar include the raw material of following parts by weight：Binder materials：70；Polycarboxylate dehydragent：1；
Anti-settling agent：0.3；Corrosion inhibitor：2；Defoamer：1.2；Binder materials includes the raw material of following parts by weight：Portland cement：80；
Sulfoaluminate clinker powder：8；Active mineral admixture：15；Composite activating agent：0.5.
Portland cement is portland cement more than 52.5 labels.Sulfoaluminate clinker powder be with calcium carbonate, bloodstone,
Kaolinite and gypsum are 3 according to weight proportion:2:3:1, after 1300 ~ 1350 DEG C of calcinings, then it is 3- to fill percentage by weight
Chamotte powder made by 5% marble and 3-5% granite intergrindings.
Active mineral admixture includes the raw material of following parts by weight：Bentonite ore 30, anhydrite 6, triethanolamine phosphoric acid
Salt 0.4；Its preparation method：Bentonite ore is crushed to 0.5-5mm, obtains fines；Fines is well mixed with anhydrite, obtained
Compound；Grinding is carried out after adding triethanolamine phosphate in compound, to specific surface area >=450 ㎡/kg, obtains the work
Property mineral admixture.
Composite activating agent is to mix vulcanized sodium, sodium hydroxide with naphthalenesulfonic acid-formaldehyde condensate, and it is different to add catalyst three
Propanolamine and barium salt are formulated；The addition of wherein each component is：28 parts of vulcanized sodium, 23 parts of sodium hydroxide, sodium naphthalene sulfonate first
7 parts of aldehyde condensate, 0.3 part of triisopropanolamine, 18 parts of barium salt.
Corrosion inhibitor includes the raw material of following parts by weight：Calcium nitrite 25, calgon 4, zinc oxide 4, sodium benzoate
13, SAS 0.2, volcanic ash 50.
Defoamer is polyethers defoamer or poly- tetramethyl type siloxane defoamer.
Polycarboxylate water-reducer includes the raw material of following parts by weight：18 parts of ethyl acrylate, 6 parts of polyacrylamide, bicarbonate
8 parts of sodium, 8 parts of sodium carboxymethylcellulose, 9 parts of molasses, 1.2 parts of dodecyl sodium sulfate, 45 parts of water；Preparation method is by above-mentioned original
Material is heated to 20 DEG C~50 DEG C, stirs, produces within 3~5 minutes.
Anti-settling agent is aerosil.
Described mortar for building, its production method comprise the following steps：
A. the grinding of binder materials：By portland cement and sulfoaluminate clinker powder, active mineral admixture, composite activating agent powder
It is milled to specific surface area 500-600 ㎡/kg；
B. hybrid technique：Binder materials that grinding has been homogenized, polycarboxylate dehydragent, anti-settling agent, corrosion inhibitor, defoamer are by setting
The ratio counted is added in mixing grinding machine and is sufficiently mixed, and mortar for building is made after homogenizing is handled.
The application method of present invention mortar for building is：During use according to the ratio of mud be 0.15:1 is stirred after mixing i.e.
Can.
Inspection data is as follows：
Table 2
Embodiment 3
A kind of mortar for building, the mortar include the raw material of following parts by weight：Binder materials：80；Polycarboxylate dehydragent：
1.5；Anti-settling agent：0.4；Corrosion inhibitor：3；Defoamer：2；Binder materials includes the raw material of following parts by weight：Portland cement：
90；Sulfoaluminate clinker powder：10；Active mineral admixture：25；Composite activating agent：0.7.
Portland cement is portland cement more than 52.5 labels.Sulfoaluminate clinker powder be with calcium carbonate, bloodstone,
Kaolinite and gypsum are 3 according to weight proportion:2:3:1, after 1300 ~ 1350 DEG C of calcinings, then it is 3- to fill percentage by weight
Chamotte powder made by 5% marble and 3-5% granite intergrindings.
Active mineral admixture includes the raw material of following parts by weight：Bentonite ore 40, anhydrite 10, triethanolamine phosphoric acid
Salt 0.5；Its preparation method：Bentonite ore is crushed to 0.5-5mm, obtains fines；Fines is well mixed with anhydrite, obtained
Compound；Grinding is carried out after adding triethanolamine phosphate in compound, to specific surface area >=450 ㎡/kg, obtains the work
Property mineral admixture.
Composite activating agent is to mix vulcanized sodium, sodium hydroxide with naphthalenesulfonic acid-formaldehyde condensate, and it is different to add catalyst three
Propanolamine and barium salt are formulated；The addition of wherein each component is：30 parts of vulcanized sodium, 25 parts of sodium hydroxide, sodium naphthalene sulfonate first
8 parts of aldehyde condensate, 0.4 part of triisopropanolamine, 20 parts of barium salt.
Corrosion inhibitor includes the raw material of following parts by weight：Calcium nitrite 30, calgon 5, zinc oxide 5, sodium benzoate
14, SAS 0.3, volcanic ash 60.
Defoamer is polyethers defoamer or poly- tetramethyl type siloxane defoamer.
Polycarboxylate water-reducer includes the raw material of following parts by weight：20 parts of ethyl acrylate, 8 parts of polyacrylamide, bicarbonate
10 parts of sodium, 10 parts of sodium carboxymethylcellulose, 10 parts of molasses, 2 parts of dodecyl sodium sulfate, 60 parts of water；Preparation method is will be above-mentioned
Raw material is heated to 20 DEG C~50 DEG C, stirs, and produces within 3~5 minutes.
Anti-settling agent is aerosil.
Described mortar for building, its production method comprise the following steps：
A. the grinding of binder materials：By portland cement and sulfoaluminate clinker powder, active mineral admixture, composite activating agent powder
It is milled to specific surface area 500-600 ㎡/kg；
B. hybrid technique：Binder materials that grinding has been homogenized, polycarboxylate dehydragent, anti-settling agent, corrosion inhibitor, defoamer are by setting
The ratio counted is added in mixing grinding machine and is sufficiently mixed, and mortar for building is made after homogenizing is handled.
The application method of present invention mortar for building is：During use according to the ratio of mud be 0.15:After 1 is stirred mixing.
Inspection data is as follows：
Table 3
It can be seen that the product of the application meets professional standard.
Claims (10)
- A kind of 1. mortar for building, it is characterised in that：The mortar includes the raw material of following parts by weight：Binder materials：60~80；Polycarboxylate dehydragent：0.5~1.5；Anti-settling agent：0.1~0.4；Corrosion inhibitor：1~3；Defoamer：0.4~2；Binder materials includes the raw material of following parts by weight：Portland cement：70~90；Sulfoaluminate clinker powder：5~10；Active mineral admixture：5~25；Composite activating agent：0.4~0.7.
- 2. mortar for building according to claim 1, is further characterized in that, described portland cement is more than 52.5 labels Portland cement.
- 3. mortar for building according to claim 1, is further characterized in that, described sulfoaluminate clinker powder is to use carbonic acid Calcium, bloodstone, kaolinite and gypsum are 3 according to weight proportion:2:3:1, after 1300 ~ 1350 DEG C of calcinings, then fill weight Percentage is the chamotte powder made by 3-5% marbles and 3-5% granite intergrindings.
- 4. mortar for building according to claim 1, is further characterized in that, described active mineral admixture includes following heavy Measure the raw material of number：Bentonite ore 20~40, anhydrite 2~10, triethanolamine phosphate 0.3~0.5；Its preparation method：Will Bentonite ore is crushed to 0.5-5mm, obtains fines；Fines is well mixed with anhydrite, obtains compound；Add in compound Grinding is carried out after entering triethanolamine phosphate, to specific surface area >=450 ㎡/kg, obtains the active mineral admixture.
- 5. mortar for building according to claim 1, is further characterized in that, described composite activating agent is by vulcanized sodium, hydrogen Sodium oxide molybdena mixes with naphthalenesulfonic acid-formaldehyde condensate, adds catalyst triisopropanolamine and barium salt is formulated；Wherein each component Addition be：Vulcanized sodium 25-30 parts, sodium hydroxide 20-25 parts, naphthalenesulfonic acid-formaldehyde condensate 6-8 parts, triisopropanolamine 0.2-0.4 parts, barium salt 15-20 parts.
- 6. mortar for building according to claim 1, is further characterized in that, described corrosion inhibitor includes following parts by weight Raw material：Calcium nitrite 20~30, calgon 3~5, zinc oxide 3~5, sodium benzoate 12~14, SAS 0.1~0.3, volcanic ash 40~60.
- 7. mortar for building according to claim 1, is further characterized in that, described defoamer be polyethers defoamer or Poly- tetramethyl type siloxane defoamer.
- 8. mortar for building according to claim 1, is further characterized in that, described polycarboxylate water-reducer includes following heavy Measure the raw material of part：15~20 parts of ethyl acrylate, 5~8 parts of polyacrylamide, 5~10 parts of sodium acid carbonate, sodium carboxymethylcellulose 5~10 parts, 8~10 parts of molasses, dodecyl sodium sulfate 0.5-2 parts, water 30-60 parts；Preparation method is to heat above-mentioned raw materials To 20 DEG C~50 DEG C, stir, produce within 3~5 minutes.
- 9. mortar for building according to claim 1, is further characterized in that, described anti-settling agent is aerosil.
- 10. mortar for building according to claim 1, it is characterised in that its production method comprises the following steps：A. the grinding of binder materials：By portland cement and sulfoaluminate clinker powder, active mineral admixture, composite activating agent powder It is milled to specific surface area 500-600 ㎡/kg；B. hybrid technique：Binder materials that grinding has been homogenized, polycarboxylate dehydragent, anti-settling agent, corrosion inhibitor, defoamer are by setting The ratio counted is added in mixing grinding machine and is sufficiently mixed, and mortar for building is made after homogenizing is handled.
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| CN111454027A (en) * | 2020-04-08 | 2020-07-28 | 苏州中材建设有限公司 | Composite concrete containing mixed fibers and manufacturing method thereof |
| CN111871602A (en) * | 2020-06-10 | 2020-11-03 | 中国矿业大学 | Waste-free efficient utilization method of hematite ore |
| CN112341123A (en) * | 2020-11-24 | 2021-02-09 | 广西云燕特种水泥建材有限公司 | Seawater corrosion resistant ceramic tile binder and production method thereof |
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| CN112341123A (en) * | 2020-11-24 | 2021-02-09 | 广西云燕特种水泥建材有限公司 | Seawater corrosion resistant ceramic tile binder and production method thereof |
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