CN112456933A - Preparation method of self-leveling mortar with waterproof self-cleaning effect - Google Patents
Preparation method of self-leveling mortar with waterproof self-cleaning effect Download PDFInfo
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- CN112456933A CN112456933A CN202011525319.8A CN202011525319A CN112456933A CN 112456933 A CN112456933 A CN 112456933A CN 202011525319 A CN202011525319 A CN 202011525319A CN 112456933 A CN112456933 A CN 112456933A
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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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/1025—Coating to obtain fibres used for reinforcing cement-based products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
- C03C25/16—Dipping
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/42—Coatings containing inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2069—Self cleaning materials, e.g. using lotus effect
-
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Composite Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a preparation method of self-leveling mortar with waterproof and self-cleaning effects, which comprises the following steps: uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 60-65 ℃, adding the rest raw materials, and uniformly stirring. The self-leveling mortar disclosed by the invention comprises the following components: portland cement, modified reinforcing fibers, fly ash, high-alumina cement, modified redispersible latex, an early strength agent, a defoaming agent, a retarder, a water reducing agent, blast furnace slag and water. According to the invention, the modified reinforcing fibers are added to be matched with the Portland cement, the high-alumina cement and the modified redispersible latex, so that the compactness of an inorganic system of the cement can be obviously improved, and the waterproof performance of the self-leveling mortar is obviously improved; the self-cleaning effect of the mortar serving as the facing surface layer can be obviously improved by adding the modified redispersible latex.
Description
Technical Field
The invention relates to the technical field of self-leveling mortar, in particular to a preparation method of self-leveling mortar with waterproof self-cleaning effect.
Background
The self-leveling mortar is a dry-mixed powder material consisting of a plurality of active ingredients, can be used after being mixed with water on site, can obtain a high-leveling base surface after being slightly spread by a scraper, has high early strength, can improve the construction efficiency, is suitable for fine leveling of concrete floors and all paving materials, and is widely applied to civil and commercial buildings.
At present, the self-leveling mortar technology in China is not completely mature, and the problems of poor working performance, low early strength, low utilization rate of waste residues and the like are also faced. At present, fine river sand is basically adopted by self-leveling mortar as aggregate, and serious environmental problems are caused by river sand mining, so that how to reduce the consumption of the river sand becomes a research hotspot of the self-leveling mortar, and domestic scholars also carry out a great deal of research on the problem. In CN102140026A and CN103342530A, heavy calcium carbonate powder is used for replacing river sand as aggregate, so that the use amount of the river sand is reduced, the working performance of the mortar is improved, the early strength of the mortar is improved, and in CN103539413A, talcum powder is used as aggregate, so that beneficial effects are achieved. Although the above method has a certain effect, the powder produced in a factory generally has many fine particles, so that the water consumption is large and the dispersion is not good, and if a large amount of the powder is added, the fluidity of the mortar is reduced.
The self-leveling mortar has wide application, can be used for industrial factory buildings, workshops, warehouses, commercial stores, exhibition halls, gymnasiums, hospitals, various open spaces, offices and the like, and also can be used for households, villas, warm small spaces and the like. Can be used as a facing surface layer and a wear-resistant base layer. However, the conventional self-leveling mortar is relatively easy to cause hollowing, cracking and dusting, and has no waterproof function and other functions, so that the self-leveling mortar with waterproof and self-cleaning effects needs to be researched.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a preparation method of self-leveling mortar with waterproof self-cleaning effect.
The technical scheme of the invention is as follows:
a preparation method of self-leveling mortar with waterproof self-cleaning effect comprises the following steps: uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 60-65 ℃, adding the rest raw materials, and uniformly stirring.
The self-leveling mortar with the waterproof self-cleaning effect comprises the following components in percentage by weight: 25-35% of Portland cement, 1.8-3.2% of modified reinforcing fiber, 16-22% of fly ash, 6-12% of high-alumina cement, 15-22% of modified redispersible latex, 0.1-0.2% of early strength agent, 0.05-0.1% of defoaming agent, 0.2-0.3% of retarder, 0.35-0.5% of water reducing agent, 8-12% of blast furnace slag and the balance of water.
Preferably, the fly ash is I-grade high-calcium fly ash, the mass fraction of free calcium oxide is less than or equal to 3.0%, and the loss on ignition is less than or equal to 5.0%.
Preferably, the modified reinforcing fiber is a nano silica modified reinforcing fiber.
Further preferably, the preparation method of the nano silica modified reinforcing fiber comprises the following steps: dispersing the silane coupling agent modified nano-silica in absolute ethyl alcohol to prepare modified nano-silica dispersion liquid, and soaking the continuous glass fiber by using the dispersion liquid to enable the nano-silica to be effectively wrapped and adsorbed on the surface of the glass fiber and improve the roughness of the glass fiber, thereby preparing the modified reinforced fiber.
Preferably, the high-alumina cement is high-alumina cement with the alumina content of 52-55%.
Preferably, the early strength agent is one or more of aluminum sulfate and calcium formate; the defoaming agent is an organic silicon defoaming agent; the retarder is one or more of sodium gluconate, tartaric acid and citric acid; the water reducing agent is a polycarboxylic acid water reducing agent.
Preferably, the grain size of the blast furnace slag is 120 meshes.
Preferably, the modified redispersible emulsion comprises the following components in parts by weight: 100 parts of vinyl acetate and ethylene copolymerized rubber powder, 18-25 parts of polystyrene and 1-2 parts of nano zinc oxide.
The invention has the advantages that: the preparation method of the self-leveling mortar with the waterproof and self-cleaning effects comprises the following steps: uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 60-65 ℃, adding the rest raw materials, and uniformly stirring. The self-leveling mortar disclosed by the invention comprises the following components: portland cement, modified reinforcing fibers, fly ash, high-alumina cement, modified redispersible latex, an early strength agent, a defoaming agent, a retarder, a water reducing agent, blast furnace slag and water. According to the invention, the modified reinforcing fibers are added to be matched with the Portland cement, the high-alumina cement and the modified redispersible latex, so that the compactness of an inorganic system of the cement can be obviously improved, and the waterproof performance of the self-leveling mortar is obviously improved; the self-cleaning effect of the mortar serving as the facing surface layer can be obviously improved by adding the modified redispersible latex.
Detailed Description
Example 1
A preparation method of self-leveling mortar with waterproof self-cleaning effect comprises the following steps: and (3) uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 62 ℃, adding the rest raw materials, and uniformly stirring.
The self-leveling mortar with the waterproof self-cleaning effect comprises the following components in percentage by weight: 32% of portland cement, 2.5% of modified reinforcing fiber, 18% of fly ash, 10% of high alumina cement, 17.2% of modified redispersible latex, 0.15% of early strength agent, 0.08% of defoaming agent, 0.25% of retarder, 0.45% of water reducing agent, 10.5% of blast furnace slag and the balance of water.
The fly ash is I-grade high-calcium fly ash, the mass fraction of free calcium oxide is less than or equal to 3.0%, and the loss on ignition is less than or equal to 5.0%.
The modified reinforced fiber is nano silicon dioxide modified reinforced fiber.
The preparation method of the modified reinforced fiber comprises the following steps: mixing 35 parts of nano-silica, 30 parts of coupling agent and 95 parts of ethanol solution for reaction, filtering, washing and drying to obtain modified nano-silica, and mixing the obtained modified nano-silica with absolute ethanol according to a mass ratio of 1: 95 ultrasonic dispersing to obtain modified nano silicon dioxide dispersion liquid; glass fiber and modified nano silicon dioxide dispersion liquid are mixed according to the mass ratio of 1: 22, mixing and dipping, and drying the dipped glass fiber to constant weight to obtain the modified reinforced fiber.
The high-alumina cement is high-alumina cement with 53 percent of alumina content.
The early strength agent is aluminum sulfate; the defoaming agent is an organic silicon defoaming agent; the retarder is sodium gluconate; the water reducing agent is a polycarboxylic acid water reducing agent.
The grain size of the blast furnace slag is 120 meshes.
The modified redispersible latex comprises the following components in parts by weight: 100 parts of vinyl acetate and ethylene copolymerized rubber powder, 22 parts of polystyrene and 1.8 parts of nano zinc oxide.
Example 2
A preparation method of self-leveling mortar with waterproof self-cleaning effect comprises the following steps: and (3) uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 65 ℃, adding the other raw materials, and uniformly stirring.
The self-leveling mortar with the waterproof self-cleaning effect comprises the following components in percentage by weight: 25% of portland cement, 1.8% of modified reinforcing fiber, 16% of fly ash, 12% of high alumina cement, 15% of modified redispersible latex, 0.2% of early strength agent, 0.05% of defoaming agent, 0.3% of retarder, 0.35% of water reducing agent, 12% of blast furnace slag and the balance of water.
The fly ash is I-grade high-calcium fly ash, the mass fraction of free calcium oxide is less than or equal to 3.0%, and the loss on ignition is less than or equal to 5.0%.
The modified reinforced fiber is nano silicon dioxide modified reinforced fiber.
The preparation method of the modified reinforced fiber comprises the following steps: mixing 30 parts of nano-silica, 45 parts of coupling agent and 80 parts of ethanol solution for reaction, filtering, washing and drying to obtain modified nano-silica, and mixing the obtained modified nano-silica with absolute ethanol according to a mass ratio of 1: 100, performing ultrasonic dispersion to obtain a modified nano silicon dioxide dispersion liquid; glass fiber and modified nano silicon dioxide dispersion liquid are mixed according to the mass ratio of 1: 15, mixing and dipping, and drying the dipped glass fiber to constant weight to obtain the modified reinforced fiber.
The high-alumina cement is high-alumina cement with the alumina content of 55 percent.
The early strength agent is one or more of aluminum sulfate and calcium formate; the defoaming agent is an organic silicon defoaming agent; the retarder is one or more of sodium gluconate, tartaric acid and citric acid; the water reducing agent is a polycarboxylic acid water reducing agent.
The grain size of the blast furnace slag is 120 meshes.
The modified redispersible latex comprises the following components in parts by weight: 100 parts of vinyl acetate and ethylene copolymerized rubber powder, 25 parts of polystyrene and 1 part of nano zinc oxide.
Example 3
A preparation method of self-leveling mortar with waterproof self-cleaning effect comprises the following steps: and (3) uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 60 ℃, adding the other raw materials, and uniformly stirring.
The self-leveling mortar with the waterproof self-cleaning effect comprises the following components in percentage by weight: 35% of portland cement, 3.2% of modified reinforcing fiber, 22% of fly ash, 6% of high alumina cement, 22% of modified redispersible latex, 0.1% of early strength agent, 0.1% of defoaming agent, 0.2% of retarder, 0.5% of water reducing agent, 12% of blast furnace slag and the balance of water.
The fly ash is I-grade high-calcium fly ash, the mass fraction of free calcium oxide is less than or equal to 3.0%, and the loss on ignition is less than or equal to 5.0%.
The modified reinforced fiber is nano silicon dioxide modified reinforced fiber.
The preparation method of the modified reinforced fiber comprises the following steps: mixing 30-40 parts of nano silicon dioxide, 25-45 parts of coupling agent and 80-100 parts of ethanol solution for reaction, filtering, washing and drying to obtain modified nano silicon dioxide, wherein the mass ratio of the modified nano silicon dioxide to absolute ethyl alcohol is 1: (90-100) carrying out ultrasonic dispersion to obtain a modified nano silicon dioxide dispersion liquid; glass fiber and modified nano silicon dioxide dispersion liquid are mixed according to the mass ratio of 1: (15-25) mixing and dipping, and drying the dipped glass fiber to constant weight to obtain the modified reinforced fiber.
The high-alumina cement is high-alumina cement with the alumina content of 52-55%.
The early strength agent is one or more of aluminum sulfate and calcium formate; the defoaming agent is an organic silicon defoaming agent; the retarder is one or more of sodium gluconate, tartaric acid and citric acid; the water reducing agent is a polycarboxylic acid water reducing agent.
The grain size of the blast furnace slag is 120 meshes.
The modified redispersible latex comprises the following components in parts by weight: 100 parts of vinyl acetate and ethylene copolymerized rubber powder, 18 parts of polystyrene and 2 parts of nano zinc oxide.
Comparative example 1
The modified reinforcing fiber in the embodiment 1 is replaced by the conventional continuous glass fiber, and the rest proportion and the preparation method are unchanged.
Comparative example 2
The modified redispersible latex of example 1 was replaced with a conventional redispersible latex, and the rest of the compounding ratio and the preparation method were not changed.
The self-leveling mortars prepared in examples 1 to 3 and comparative examples 1 to 2 were tested as follows, and the following test results were obtained.
Table 1: results of physical property test of the self-leveling mortars prepared in examples 1 to 3 and comparative examples 1 to 2;
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A preparation method of self-leveling mortar with waterproof self-cleaning effect is characterized by comprising the following steps: uniformly mixing the modified reinforcing fiber and the fly ash, adding the portland cement and the high-alumina cement, uniformly mixing, raising the temperature to 60-65 ℃, adding the rest raw materials, and uniformly stirring.
2. The method for preparing self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 1, wherein the self-leveling mortar with waterproof and self-cleaning effects comprises the following components in percentage by weight: 25-35% of Portland cement, 1.8-3.2% of modified reinforcing fiber, 16-22% of fly ash, 6-12% of high-alumina cement, 15-22% of modified redispersible latex, 0.1-0.2% of early strength agent, 0.05-0.1% of defoaming agent, 0.2-0.3% of retarder, 0.35-0.5% of water reducing agent, 8-12% of blast furnace slag and the balance of water.
3. The method for preparing self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 1, wherein the fly ash is grade I high calcium fly ash, the mass fraction of free calcium oxide is less than or equal to 3.0%, and the loss on ignition is less than or equal to 5.0%.
4. The method for preparing self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 1, wherein the modified reinforcing fibers are nano silica modified reinforcing fibers.
5. The method for preparing self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 4, wherein the method for preparing the nano silica modified reinforcing fiber comprises the following steps: dispersing the silane coupling agent modified nano-silica in absolute ethyl alcohol to prepare modified nano-silica dispersion liquid, and soaking the continuous glass fiber by using the dispersion liquid to enable the nano-silica to be effectively wrapped and adsorbed on the surface of the glass fiber and improve the roughness of the glass fiber, thereby preparing the modified reinforced fiber.
6. The method for preparing self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 1, wherein the high alumina cement is high alumina cement with an alumina content of 52-55%.
7. The method for preparing self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 1, wherein the early strength agent is one or more of aluminum sulfate and calcium formate; the defoaming agent is an organic silicon defoaming agent; the retarder is one or more of sodium gluconate, tartaric acid and citric acid; the water reducing agent is a polycarboxylic acid water reducing agent or a naphthalene water reducing agent.
8. The method for preparing self-leveling mortar having waterproof self-cleaning effect as set forth in claim 1, wherein the blast furnace slag has a particle size of 120 mesh.
9. The method for preparing the self-leveling mortar with waterproof and self-cleaning effects as claimed in claim 1, wherein the modified redispersible latex comprises the following components in parts by weight: 100 parts of vinyl acetate and ethylene copolymerized rubber powder, 18-25 parts of polystyrene and 1-2 parts of nano zinc oxide.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456932A (en) * | 2020-12-22 | 2021-03-09 | 湖州良柏新材料科技有限公司 | Preparation method of self-leveling mortar with good waterproof effect |
| CN116023093A (en) * | 2022-12-26 | 2023-04-28 | 厦门天润锦龙建材有限公司 | Dry-mixed waterproof mortar prepared by utilizing modified ceramic polishing powder and preparation method thereof |
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| CN101244915A (en) * | 2008-03-25 | 2008-08-20 | 武汉理工大学 | Ultra-plasticizing gravity flow flat crack resistant mortar |
| CN103524102A (en) * | 2013-09-29 | 2014-01-22 | 张家港市山牧新材料技术开发有限公司 | Self-leveling cement and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112456932A (en) * | 2020-12-22 | 2021-03-09 | 湖州良柏新材料科技有限公司 | Preparation method of self-leveling mortar with good waterproof effect |
| CN116023093A (en) * | 2022-12-26 | 2023-04-28 | 厦门天润锦龙建材有限公司 | Dry-mixed waterproof mortar prepared by utilizing modified ceramic polishing powder and preparation method thereof |
| CN116023093B (en) * | 2022-12-26 | 2024-04-26 | 厦门天润锦龙建材有限公司 | Dry-mixed waterproof mortar prepared by utilizing modified ceramic polishing powder and preparation method thereof |
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