CN111825419A - Rapid-drying flexible facing brick and preparation method thereof - Google Patents
Rapid-drying flexible facing brick and preparation method thereof Download PDFInfo
- Publication number
- CN111825419A CN111825419A CN201910323111.9A CN201910323111A CN111825419A CN 111825419 A CN111825419 A CN 111825419A CN 201910323111 A CN201910323111 A CN 201910323111A CN 111825419 A CN111825419 A CN 111825419A
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- Prior art keywords
- preparation
- mixture
- reducing agent
- water reducing
- flexible face
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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
- C04B28/30—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 magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a quick-drying flexible face brick and a preparation method thereof. White cement, magnesium oxide, saturated magnesium chloride solution, quartz sand, aqueous emulsion, a water reducing agent and other auxiliary agents are mixed, then the mixture is cured at low temperature, and finally the mixture is molded and dried. Compared with the traditional flexible facing brick molding mode, the flexible facing brick molding method has the advantages that the molding time is reduced by over 60 percent, the mold cost of the flexible facing brick is reduced, and the equipment productivity of the flexible facing brick is improved.
Description
Technical Field
The invention relates to an improvement of a flexible facing brick molding process, in particular to an improvement of a preparation method of a flexible facing brick, belonging to the field of building decoration materials.
Background
The traditional flexible facing brick industry has long drying time, the general forming time is 2-4h (the thickness of the flexible facing brick is more than 3 mm), the forming time is taken as the most key link in the forming core of the flexible facing brick and is the first key element for restricting the yield of the flexible facing brick, and if a continuous drying technology is adopted, the drying line is extremely long, so that the equipment cost and the production energy consumption are increased; shortening the drying line results in very slow operation speed; and the centralized drying mode is adopted, the influence of the drying time on the productivity is small, but a large number of molds are inevitably occupied by long demolding time, and the cost of the molds of a single variety is increased.
Aiming at the problems, the natural curing process of the glass magnesium board is added on the basis of the formula of the traditional flexible facing brick, so that the glass magnesium board is fully hydrated and reacted in the material stage, and meanwhile, the emulsion can be fully contacted, attached and wrapped with powder, so that the phenomenon that the emulsion forms a film on the surface during drying, the volatilization path of internal water is sealed, and a large amount of bubbles in the flexible facing brick influence the strength of a finished product is avoided.
Disclosure of Invention
The invention aims to provide a quick-drying flexible facing brick and a preparation method thereof, and aims to solve the problem that the production capacity is seriously limited due to long drying time in the production of the conventional flexible facing brick industry.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the invention discloses a quick-drying flexible face brick and a preparation method thereof, which are characterized by comprising the following steps:
(1) mixing white cement, a water reducing agent, water, a flatting agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, slowly adding the aqueous emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at the curing temperature of 40-50 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 1-6 mm;
(4) and (3) putting the blade coating material into an oven for baking at the high temperature of 150 ℃ for 10-25min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
Wherein the proportion of each component in the steps (1) and (2) is (unit: part):
white cement: 20-25
Water reducing agent: 1-2
Leveling agent: 0.3-0.5
Defoaming agent: 0.5-1
Magnesium oxide: 15-20
Quartz sand: 30-40
Aqueous emulsion: 10-15
Saturated magnesium chloride solution: 13-18.
Wherein said white cement is designated by reference numeral 52.5.
Wherein the water reducing agent in the step (1) is one or a mixture of a sulfamate high-efficiency water reducing agent and a polycarboxylic acid high-performance water reducing agent.
Wherein the water-based emulsion is one or the mixture of two of pure acrylic emulsion, styrene-acrylic emulsion or silicone-acrylic emulsion.
Wherein the magnesia powder is light-burned magnesia powder.
Wherein the mesh number of the quartz sand is 80-200 meshes.
Detailed Description
The quick-drying flexible tile and method of making the same of the present invention are further illustrated by way of example, but the invention is not limited to these examples.
Example 1:
white cement: 20
Sulfamate salts: 1
Leveling agent: 0.3
Defoaming agent: 0.5
Magnesium oxide: 15
100-mesh quartz sand: 30
Pure acrylic emulsion: 10
Saturated magnesium chloride solution: 13
(1) Mixing white cement, sulfamate, water, a leveling agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, slowly adding the pure acrylic emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at 40 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 2 mm;
(4) and (3) putting the blade coating material into an oven for baking at the high temperature of 150 ℃ for 12min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
Example 2:
white cement: 25
Sulfamate salts: 1.3
Leveling agent: 0.3
Defoaming agent: 0.5
Magnesium oxide: 17
100-mesh quartz sand: 30
Styrene-acrylic emulsion: 7
Pure acrylic emulsion 6
Saturated magnesium chloride solution: 14
(1) Mixing white cement, sulfamate, water, a leveling agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, then slowly adding pure acrylic emulsion, styrene-acrylic emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at 40 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 3 mm;
(4) and (3) putting the blade coating material into an oven for high-temperature baking at the baking temperature of 150 ℃ for 16min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
Example 3:
white cement: 25
Polycarboxylic acid high-performance water reducing agent: 2
Leveling agent: 0.5
Defoaming agent: 1
Magnesium oxide: 20
120-mesh quartz sand: 35
Styrene-acrylic emulsion: 5
Pure acrylic emulsion 8
Saturated magnesium chloride solution: 15
(1) Mixing white cement, a water reducing agent, water, a flatting agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, then slowly adding pure acrylic emulsion, styrene-acrylic emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at the curing temperature of 50 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 5 mm;
(4) and (3) putting the blade coating material into an oven for high-temperature baking at the baking temperature of 150 ℃ for 20min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
Example 4:
white cement: 25
Polycarboxylic acid high-performance water reducing agent: 2
Leveling agent: 0.4
Defoaming agent: 1
Magnesium oxide: 15-20
200-mesh quartz sand: 30
Pure acrylic emulsion: 10
Silicone acrylic emulsion 5
Saturated magnesium chloride solution: 16
(1) Mixing white cement, a water reducing agent, water, a flatting agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, slowly adding pure acrylic emulsion, silicone acrylic emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at the curing temperature of 50 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 6 mm;
(4) and (3) putting the blade coating material into an oven for baking at the high temperature of 150 ℃ for 25min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
Example 5:
white cement: 25
Polycarboxylic acid high-performance water reducing agent: 2
Leveling agent: 0.4
Defoaming agent: 1
Magnesium oxide: 15-20
200-mesh quartz sand: 30
Styrene-acrylic emulsion: 8
Silicone-acrylic emulsion 7
Saturated magnesium chloride solution: 16
(1) Mixing white cement, a water reducing agent, water, a flatting agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, slowly adding styrene-acrylic emulsion, silicone-acrylic emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at the curing temperature of 50 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 6 mm;
(4) and (3) putting the blade coating material into an oven for baking at the high temperature of 150 ℃ for 25min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
Claims (7)
1. A quick-drying flexible face brick and a preparation method thereof comprise the following steps:
(1) mixing white cement, a water reducing agent, water, a flatting agent and a defoaming agent, and stirring for 20min by a mortar stirrer to obtain a mixture 1;
(2) adding magnesium oxide and quartz sand into a saturated magnesium chloride solution, dispersing for 10min at 800r/min by using a high-speed dispersion machine, slowly adding the aqueous emulsion and the mixture 1, continuously stirring for 20min, discharging, then placing the material into a drying room for low-temperature curing at the curing temperature of 40-50 ℃ for 12h to obtain a cured material;
(3) adding the cured material into a blade coater, and carrying out blade coating on a silica gel mold, wherein the blade coating thickness is 1-6 mm;
(4) and (3) putting the blade coating material into an oven for baking at the high temperature of 150 ℃ for 10-25min, and then demolding, cooling and cutting to obtain the finished flexible facing brick.
2. The quick drying flexible face tile and the preparation method thereof according to claim 1, characterized in that: the proportion of each component in the steps (1) and (2) is (unit: part):
white cement: 20-25
Water reducing agent: 1-2
Leveling agent: 0.3-0.5
Defoaming agent: 0.5-1
Magnesium oxide: 15-20
Quartz sand: 30-40
Aqueous emulsion: 10-15
Saturated magnesium chloride solution: 13-18.
3. The quick drying flexible face tile and the preparation method thereof according to claim 1, characterized in that: the white cement is numbered 52.5.
4. The quick drying flexible face tile and the preparation method thereof according to claim 1, characterized in that: the water reducing agent in the step (1) is one or a mixture of two of a sulfamate high-efficiency water reducing agent or a polycarboxylic acid high-performance water reducing agent.
5. The quick drying flexible face tile and the preparation method thereof according to claim 1, characterized in that: the water-based emulsion is one or a mixture of two of pure acrylic emulsion, styrene-acrylic emulsion or silicone-acrylic emulsion.
6. The quick drying flexible face tile and the preparation method thereof according to claim 1, characterized in that: the magnesium oxide powder is light-burned magnesium oxide powder.
7. The quick drying flexible face tile and the preparation method thereof according to claim 1, characterized in that: the mesh number of the quartz sand is 80-200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323111.9A CN111825419A (en) | 2019-04-22 | 2019-04-22 | Rapid-drying flexible facing brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323111.9A CN111825419A (en) | 2019-04-22 | 2019-04-22 | Rapid-drying flexible facing brick and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111825419A true CN111825419A (en) | 2020-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910323111.9A Pending CN111825419A (en) | 2019-04-22 | 2019-04-22 | Rapid-drying flexible facing brick and preparation method thereof |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073254A (en) * | 2013-02-05 | 2013-05-01 | 南京工业大学 | Flame-retardant flexible facing tile and preparation method thereof |
| CN105130342A (en) * | 2015-07-03 | 2015-12-09 | 北京翰高兄弟科技发展有限公司 | Flexible finishing soft stone or tile |
-
2019
- 2019-04-22 CN CN201910323111.9A patent/CN111825419A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073254A (en) * | 2013-02-05 | 2013-05-01 | 南京工业大学 | Flame-retardant flexible facing tile and preparation method thereof |
| CN105130342A (en) * | 2015-07-03 | 2015-12-09 | 北京翰高兄弟科技发展有限公司 | Flexible finishing soft stone or tile |
Non-Patent Citations (2)
| Title |
|---|
| 常婧莹等: "《建筑材料 第2版》", 30 June 2018, 北京：中国建材工业出版社 * |
| 建筑材料员上岗指南 不可不知的500个关键细节编写组: "《建筑材料员上岗指南 不可不知的500个关键细节》", 31 January 2012, 北京：中国建材工业出版社 * |
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Application publication date: 20201027 |