CN111606667A - Composite gypsum board and preparation method thereof - Google Patents
Composite gypsum board and preparation method thereof Download PDFInfo
- Publication number
- CN111606667A CN111606667A CN201910388446.9A CN201910388446A CN111606667A CN 111606667 A CN111606667 A CN 111606667A CN 201910388446 A CN201910388446 A CN 201910388446A CN 111606667 A CN111606667 A CN 111606667A
- Authority
- CN
- China
- Prior art keywords
- gypsum board
- coating
- gypsum
- primer
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
-
- 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
- C04B2111/2092—Resistance against biological degradation
-
- 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
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
Abstract
The application discloses a gypsum board, which comprises 85-95 parts by weight of gypsum powder, 0-10 parts by weight of zeolite, 1-5 parts by weight of polyacrylic emulsion and 0.3-1.0 part by weight of starch. The application also discloses a composite gypsum board, which comprises the gypsum board, a coating and a primer, wherein the amount of the gypsum board is 6kg/m2‑7kg/m2The amount of the coating is 0.2kg/m2‑0.5kg/m2The amount of the primer is 0.1kg/m2‑0.3kg/m2. The application also provides a preparation method of the composite gypsum board. Compared with a common gypsum board, the composite gypsum board has the advantages that the temperature rise rate is lower than that of the common gypsum board, the fire-resistant time is obviously prolonged, the surface water absorption rate is obviously reduced, and the antibacterial effect is realized.
Description
Technical Field
The application relates to but is not limited to the field of building materials, in particular to but not limited to a composite gypsum board and a preparation method thereof.
Background
The proportion of building energy consumption in the whole human energy consumption is generally 30-40%, so that the research on the heat insulation and preservation of civil buildings is significant in the aspects of saving energy and improving living environment. The building heat insulation and energy conservation is one of the key points of energy conservation work in China, and heat insulation products become main products of building energy conservation. The heat insulation system is made into a heat insulation system which can insulate heat and preserve heat, or a heat insulation system which mainly insulates heat is made into the heat insulation system so as to meet the requirements of building energy conservation in cold areas in summer and winter, areas in hot areas in summer and winter and the like.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The coating with heat insulation and preservation performance is called heat insulation and preservation coating. The heat insulation is achieved by attenuation and delay of temperature fluctuation, and the heat preservation is realized by heat resistance. According to the heat insulation mechanism, the heat insulation coating can be divided into 3 types of reflective heat insulation coating, barrier heat insulation coating and radiation heat insulation coating.
The reflective heat-insulating coating is a novel coating integrating reflection, radiation and hollow microsphere heat insulation, is developed on the basis of an aluminum-based reflective heat-insulating coating, is prepared by selecting proper raw materials, a formula and the like, and reflects sunlight to achieve the purpose of heat insulation. Thin layer reflective coatings are representative of such coatings. The functional material with low heat conductivity coefficient is introduced into the coating layer, so that the heat conductivity of the coating film formed after drying and curing is reduced, the obvious resistance to heat transfer is realized, and the purpose of isolating heat is further achieved. The most widely used heat-insulating coating with barrier property is a composite silicate heat-insulating coating. The radiation heat insulation coating emits solar energy absorbed by a building into the air in a long wave form in a radiation form, so that the effects of heat insulation and temperature reduction are achieved.
The reflection type heat insulation coating has little influence on the heat transfer coefficient taking conduction heat transfer as a main heat transfer mode, the temperature reduction effect is exerted mainly by reflecting sunlight, and the reflection type heat insulation coating can save the building energy consumption by 2 to 5 percent all the year by applying to the building outer wall in the hot summer and cold winter areas. The heat absorption of the base layer can be effectively reduced when the heat-absorbing material is used on the outer wall of a building, a glass door window of a roof and the like. The silicate composite coating is the most widely applied barrier type heat insulation coating in China, and gradually develops towards the heat insulation of walls from being applied to the surfaces of high-temperature pipelines, boilers, kilns and other equipment. In China, the research on the radiation type heat insulation coating is still in the initial stage, and the development of the radiation type heat insulation coating is restricted because the sintering process for synthesizing the radiation type heat insulation functional material is complex and the material with stable emissivity is not easy to obtain.
This application is through spraying functional coating to the gypsum board surface, prepares novel function thistle board. The spraying of the heat-insulating coating on the paper-surface gypsum board is realized to replace the traditional heat-insulating systems such as gypsum-polyphenyl, and the like.
The application provides a composite gypsum board coated with heat insulation paint and a preparation method thereof. Compared with a common gypsum board, the composite gypsum board provided by the application has better heat insulation performance, fire resistance and surface water absorption.
In particular, the present application provides a gypsum board comprising landplaster, a polyacrylic acid emulsion, starch, and zeolite.
In the present application, the gypsum board may include 85 to 95 parts by weight of gypsum powder, 0 to 10 parts by weight of zeolite, 1 to 5 parts by weight of polyacrylic emulsion, and 0.3 to 1.0 part by weight of starch.
In the present application, the gypsum board may be composed of landplaster, polyacrylic emulsion, starch, and zeolite.
In the present application, the gypsum board may be composed of 85 to 95 parts by weight of gypsum powder, 0 to 10 parts by weight of zeolite, 1 to 5 parts by weight of polyacrylic emulsion, and 0.3 to 1.0 part by weight of starch.
In the present application, the gypsum board may include 87 to 93 parts by weight of gypsum powder, 2 to 8 parts by weight of zeolite, 1.5 to 4 parts by weight of polyacrylic emulsion, and 0.5 to 1.0 part by weight of starch.
In the present application, the gypsum board may be composed of 87 to 93 parts by weight of gypsum powder, 2 to 8 parts by weight of zeolite, 1.5 to 4 parts by weight of polyacrylic emulsion, and 0.5 to 1.0 part by weight of starch.
In the present application, the gypsum powder may be desulfurized gypsum powder. The desulfurized gypsum is an industrial byproduct generated by wet desulfurization of coal-fired flue gas of a thermal power plant, and is chemical gypsum formed by chemical reaction crystallization. Impurities affect not only the dehydration calcination of desulfurized gypsum, but also the properties of desulfurized gypsum and gypsum board. Excessive water-soluble salt can cause quality problems of bonding, swelling, alkali return and the like to the gypsum product. Na + and K + affect the adhesion of the paper-faced gypsum board protective paper and the board core under the humid condition. In general, Na + and K + in the desulfurized gypsum are not higher than 600 ppm.
In the present application, the zeolite may be in the form of powder, 100-1200 mesh.
In the present application, the polyacrylic acid emulsion has a pH of 6 to 7 and a solids content of 40 to 50% by weight.
In the present application, the starch may be a modified starch, such as a commercially available modified tapioca starch or modified corn starch.
In the present application, the gypsum board may have a thickness of 9.5mm to 12mm, a longitudinal breaking load of 520N to 650N, and a transverse breaking load of 200N to 300N.
The present application also provides a composite gypsum board comprising the gypsum board, a coating, and a primer, wherein the amount of the gypsum board is 5.7kg/m2-8.7kg/m2The amount of the coating is 0.1kg/m2-3kg/m2The amount of the primer is 0.1kg/m2-0.6kg/m2。
In the present application, the composite gypsum board may consist of the gypsum board, a coating and a primer, wherein the amount of the gypsum board is 5.7kg/m2-8.7kg/m2The amount of the coating is 0.1kg/m2-3kg/m2The amount of the primer is 0.1kg/m2-0.6kg/m2。
In the present application, the composite gypsum board may include the gypsum board, a coating, and a primer, wherein the amount of the gypsum board is 6kg/m2-7kg/m2The amount of the coating is 0.2kg/m2-0.5kg/m2The amount of the primer is 0.1kg/m2-0.3kg/m2。
In the present application, the composite gypsum board may consist of the gypsum board, a coating and a primer, wherein the amount of the gypsum board is 6kg/m2-7kg/m2The amount of the coating is 0.2kg/m2-0.5kg/m2The amount of the primer is 0.1kg/m2-0.3kg/m2。
In the present application, the coating material may be a barrier type thermal insulation coating material or a reflective type thermal insulation coating material, for example, the barrier type thermal insulation coating material is available from Beijing Poales technologies, Inc., and the emissive type thermal insulation coating material is available from basf (China) Inc. and Germany Mig (mig) Inc.
In the present application, the thickness of the coating may be 0.1mm to 1 mm.
The application also provides a preparation method of the composite gypsum board, which comprises the following steps:
(1) preparing a gypsum board: a. sieving gypsum powder and zeolite respectively;
b. uniformly mixing the sieved gypsum powder, zeolite and starch;
c. weighing polyacrylic acid emulsion and water, and uniformly stirring for later use;
d. stirring the mixture in the step b and the mixed solution in the step c to prepare slurry;
e. d, flatly paving the slurry prepared in the step d on lower paper, covering upper paper before initial setting of the slurry, applying pressure, demolding after final setting is finished, and drying;
(2) coating a primer on the gypsum board;
(3) coating paint on the primer;
(4) and (5) drying.
In the preparation method, in the step (1), the gypsum powder is sieved by a sieve with 80-100 meshes, and the zeolite is sieved by a sieve with 100-1200 meshes.
In the preparation method of the present application, in step b, the landplaster, the zeolite, and the starch may be uniformly mixed in any order.
In the preparation method of the present application, the mixture in step b is tested for standard consistency spread to determine the water usage for standard consistency of the mixture.
According to the preparation method, the polyacrylic acid emulsion and the water (the sum of the weight of the polyacrylic acid emulsion and the water is equal to the water consumption of the standard consistency) are weighed according to the water consumption of the standard consistency, and are uniformly stirred for later use.
In the preparation process of the present application, the standard thickness spread of the building gypsum is determined according to GB/T17669.3-1999 Standard: the gypsum samples were measured twice in succession according to the following procedure. The inside of the cylinder of the consistometer and the glass plate are wiped clean, kept wet and vertically placed on the glass plate. The estimated water volume for the standard consistency was poured into a mixing bowl and a gypsum pattern of 300g was weighed into the water within 5 seconds. Stirring with a stirring rod for 30s to obtain uniform gypsum slurry, rapidly injecting into the consistometer cylinder while stirring, and scraping overflowed slurry with a scraper to make the slurry surface flush with the upper end surface of the cylinder. Starting from the time the plaster pattern comes into contact with water to 50s, the instrument lift button is actuated. After the cylinder is removed, the diameters of the test cakes into which the slurry is spread in two perpendicular directions are measured, and the arithmetic mean value of the diameters is calculated. The amount of water added is recorded at a slurry spreading diameter equal to (180 ± 5) mm and the gypsum processing equipment calculates the ratio of this amount of water added to the mass of the gypsum pattern, expressed as a percentage. The average of the two measurements was taken as the water usage for the standard consistency of the gypsum pattern to an accuracy of 1%.
In the production method of the present application, the pressure applied in step e may be 5kg to 20 kg.
In the preparation method of the present application, in step e, drying may be performed at 150 ℃ to 170 ℃ for 40min to 80 min.
In the preparation method of the present application, in step e, drying may be performed at 100 ℃ to 120 ℃ for 30min to 40 min.
In the preparation method of the present application, in step e, drying may be performed at 40 ℃ to 50 ℃ to a constant weight.
In the preparation method, in the step e, drying can be carried out for 40min to 80min at the temperature of 150 ℃ to 170 ℃, for 30min to 40min at the temperature of 100 ℃ to 120 ℃, and then drying is carried out to constant weight at the temperature of 40 ℃ to 50 ℃.
In this application, the primer is painted at 10-35 ℃ in step (2),
in step (3), the coating is brushed at 10 ℃ to 35 ℃.
In the present application, in the step (2), the painting of the primer is single-sided painting,
and (3) coating the coating on one side.
In the present application, the coating may be applied 2 to 10 times, and repeated and multiple passes are required for application, preferably in an amount of 0.3kg/m2. In the present application, spraying may also be used. The time interval of each brushing or spraying is 6-36 hours. Preferably, when airless spray coating is used, the average thickness of the single-layer wet film is 200 μm, and the corresponding amount of the coating is 0.26kg/m2。
Priming is required before the coating is applied to prevent interfacial separation of the coating from the gypsum board on the one hand, and to prevent excessive penetration of the coating into the gypsum board in order to avoid weakening the properties of the coating.
In the present application, in step (4), drying may be carried out at 18 ℃ to 27 ℃.
In the present application, in the step (4), the drying time may be 7 to 24 days.
In this application, the front side refers to the side of the composite gypsum board that is painted, and the back side refers to the side of the composite gypsum board that is not painted.
Compared with a common gypsum board, the composite gypsum board prepared by the application has the advantages that the temperature rise rate is lower than that of the common gypsum board, the fire-resistant time is obviously prolonged, the surface water absorption rate is obviously reduced, and the composite gypsum board has multiple bacteriostatic effects.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a graph showing the temperature rise curves of composite gypsum boards prepared in example 1 and comparative example 1 of the present application.
FIG. 2 is a graph showing the temperature rise curves of the composite gypsum boards prepared in example 2 of the present application and comparative example 1.
FIG. 3 is a temperature rise curve of composite gypsum boards prepared in example 3 of the present application and comparative example 1.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The reflective thermal insulation coating used in the examples was obtained from basf (china) ltd and german mig (mig) ltd, and the barrier thermal insulation coating was obtained from beijing gramineous technologies ltd. The present application is described by way of examples of these coatings, but is not limited to these coatings.
Example 1
Preparing a gypsum board: 2000 g of gypsum powder is sieved by a 80-mesh sieve, and 60g of zeolite is sieved by a 200-mesh sieve. Mixing sieved Gypsum Fibrosum powder, zeolite, starch (12 g) and water; the spread of the mixed powder was measured to be 180mm, from which it was determined that the water amount for standard consistency of the mixed powder was 1236 g. 60g of polyacrylic acid emulsion (the pH of the polyacrylic acid emulsion is 6.8, and the solid content is 50%) is taken according to the water consumption of the standard consistency, and is stirred with 1206ml of water to prepare slurry. The prepared slurry was spread on a lower paper, and an upper paper was covered before initial setting of the slurry, with a plate thickness of 9.5mm, and a pressure of 10kg was applied. And (3) demolding after final setting is finished, and placing the plate in a drying oven for drying, drying at 160 ℃ for 1 hour, drying at 110 ℃ for 0.5 hour, and then drying at 45 ℃ to constant weight.
A0.03 kg quantity of primer was applied 5 times by brushing to one side of a gypsum board of 400 mm. times.400 mm. times.9.5 mm, a 0.05kg quantity of grass coating was applied 5 times by brushing, 0.01kg quantity per brushing, 6 hours apart per brushing, to the primer, and after completion of the brushing, it was dried at 25 ℃ for 24 days (thickness of coating layer: 0.7 mm).
Example 2
The same procedure and formulation as in example 1 was used to apply the basf paint.
Example 3
The same procedure and formulation as in example 1 was used to apply the mig coating.
Comparative example 1
The same process and formulation as in example 1 were used to apply a conventional coating without any heat-insulating additives.
Comparative example 2
Preparation of ordinary gypsum board: 2000 g of gypsum powder is sieved by a 80-mesh sieve. Mixing sieved Gypsum Fibrosum powder, starch (12 g) and water; the mixed powder was tested for a spread of 180mm, from which it was determined that the water amount for a standard consistency of the mixed powder was 1200 g. And (3) uniformly mixing the mixed powder and water according to the water consumption of the standard consistency to prepare slurry. The prepared slurry was spread on a lower paper, and an upper paper was covered before initial setting of the slurry, with a plate thickness of 9.5mm, and a pressure of 10kg was applied. And (3) demolding after final setting is finished, and placing the plate in a drying oven for drying, drying at 160 ℃ for 1 hour, drying at 110 ℃ for 0.5 hour, and then drying at 45 ℃ to constant weight.
Performance testing
Performance test of gypsum board
The properties prepared in example 1 and comparative example 2 were tested according to the GB/T17669-1999, GB/T9775-2008 standards.
TABLE 1 Properties of the plasterboards of the application and those of comparative example 2
Second, performance test of composite gypsum board
Testing the heat insulation performance: the heat insulation performance of the composite gypsum board is tested by using two bathroom lamp lamps with 275W power and 300mm from the gypsum board to irradiate the side of the composite gypsum board coated with the heat insulation coating and the side of the common gypsum board simultaneously and testing the temperature change of the back surface or the back space of the gypsum board coated with the heat insulation coating by adopting a testing method commonly used in the field.
1. The gypsum boards coated with thermal insulating coatings prepared in examples 1 to 3 and the gypsum board of comparative example 1 were tested for temperature change on the back side, and the results are shown in fig. 1 to 3. The rate of temperature rise of the composite gypsum board prepared in this application is significantly lower than the rate of temperature rise of the gypsum board prepared in comparative example 1. The temperature rise rate curve of the composite gypsum board prepared in example 1 is the most different from the temperature rise rate curve of the gypsum board prepared in comparative example 1, and the temperature rise rate curve of the gypsum board prepared in example 3 is the least different from the temperature rise rate curve of the gypsum board prepared in comparative example 1. The experiment shows that the heat insulation effect can be achieved by coating the heat insulation coating on the surface of the gypsum board.
2. The temperature change in the back space of the gypsum boards coated with the thermal insulating coating prepared in example 2 and comparative example 1 was tested, and the results are shown in table 2.
Table 2 temperature change of back space of composite gypsum boards prepared in example 2 and comparative example
| Outdoor temperature C | 50.5 | 50.5 | 47 | 41 | 39 |
| Comparative example 1 | 44 | 43.5 | 43 | 39.2 | 37.5 |
| Example 2 | 43 | 42.5 | 41.8 | 38.2 | 36.5 |
As can be seen from Table 2, the temperature of the back space of the composite gypsum board coated with the thermal insulation coating is 1 ℃ to 1.2 ℃ lower than that of the back space of the composite gypsum board coated with the ordinary coating.
And (3) testing the fire resistance: the fire resistance of the composite gypsum boards prepared in examples 2 to 3 and the gypsum boards in the comparative examples were tested according to the fire stability test method for the fire-resistant paper-faced gypsum board "GB 11979-89", and the results are shown in Table 3.
TABLE 3 fire resistance of composite gypsum boards prepared in examples 2-3 and gypsum boards in comparative examples 1-2
The experimental result shows that the fire-resistant time of the composite gypsum board coated with the heat-insulating and heat-preserving paint is obviously prolonged.
Surface water absorption test: the gypsum boards prepared in examples 2 to 3 and the gypsum board in comparative example 1 were tested for surface water absorption according to the surface water absorption test method of water-resistant paper-faced gypsum board of GB 11978-89. The results are shown in table 4.
Table 4 surface water absorption of composite gypsum boards prepared in examples 2-3 and of the gypsum boards in the comparative examples
The test result shows that the surface water absorption of the gypsum board coated with the heat insulation coating is obviously lower than that of the common gypsum board.
The mildew resistance of the gypsum plasterboard is tested according to GB/T1741-2007 paint film mildew resistance test method, and the results are shown in Table 5.
TABLE 5 bacteriostatic Properties of the composite gypsum boards prepared in examples 1-3 and the gypsum board of comparative example 2
As can be seen from Table 5, the composite gypsum boards prepared in examples 1-3 of the present application all have superior bacteriostatic properties to the gypsum board of comparative example 2.
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (10)
1. A gypsum board comprises 85-95 parts by weight of gypsum powder, 0-10 parts by weight of zeolite, 1-5 parts by weight of polyacrylic emulsion and 0.3-1.0 part by weight of starch.
2. The gypsum board of claim 1 wherein the polyacrylic acid emulsion has a pH of 6-7 and a solids content of 40-50%.
3. A composite gypsum board comprising the gypsum board of claim 1 or 2, a coating and a primer, wherein the amount of the gypsum board is 6kg/m2-7kg/m2The amount of the coating is 0.2kg/m2-0.5kg/m2, the amount of primer being 0.1kg/m2-0.3kg/m2。
4. The composite gypsum board of claim 3, wherein the coating is a barrier thermal insulation coating or a reflective thermal insulation coating.
5. A method of making the composite gypsum board of claim 3 or 4, comprising:
(1) preparing a gypsum board: a. sieving gypsum powder and zeolite respectively;
b. uniformly mixing the sieved gypsum powder, zeolite and starch;
c. weighing polyacrylic acid emulsion and water, and uniformly stirring for later use;
d. stirring the mixture in the step b and the mixed solution in the step c to prepare slurry;
e. d, flatly paving the slurry prepared in the step d on lower paper, covering upper paper before initial setting of the slurry, applying pressure, demolding after final setting is finished, and drying;
(2) coating a primer on the gypsum board;
(3) coating paint on the primer;
(4) and (5) drying.
6. The preparation method as claimed in claim 5, wherein in the step (1), the gypsum powder is sieved by a sieve of 80-100 meshes, and the zeolite is sieved by a sieve of 100-1200 meshes.
7. A method according to claim 5 or 6, wherein in step e, a pressure of 5kg-20kg is applied,
the drying lasts for 40min to 80min at the temperature of 150 ℃ to 170 ℃, 30min to 40min at the temperature of 100 ℃ to 120 ℃ and then continues to constant weight at the temperature of 40 ℃ to 50 ℃.
8. The production method according to claim 5, wherein, in the step (2), the primer is painted at 10 ℃ -35 ℃,
in step (3), the coating is brushed at 10 ℃ to 35 ℃.
9. The production method according to claim 5, wherein, in the step (2), the painting of the primer is single-sided painting,
and (3) coating the coating on one side.
10. The preparation method according to claim 5, wherein, in the step (4), the drying is carried out at 18 ℃ to 27 ℃ for 7 to 24 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910388446.9A CN111606667A (en) | 2019-05-09 | 2019-05-09 | Composite gypsum board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910388446.9A CN111606667A (en) | 2019-05-09 | 2019-05-09 | Composite gypsum board and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111606667A true CN111606667A (en) | 2020-09-01 |
Family
ID=72205342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910388446.9A Pending CN111606667A (en) | 2019-05-09 | 2019-05-09 | Composite gypsum board and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111606667A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112341122A (en) * | 2020-11-10 | 2021-02-09 | 砼济(江苏)节能新材料科技有限公司 | Calcined desulfurized gypsum composite cementing material insulation board with heat reflection coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110297310A1 (en) * | 2010-06-07 | 2011-12-08 | Certainteed Gypsum, Inc. | Method for Constructing Composite Building Boards Using Dissolvable Films |
| CN109133824A (en) * | 2017-06-28 | 2019-01-04 | 北新集团建材股份有限公司 | A kind of Thistle board and preparation method thereof |
| CN109206112A (en) * | 2018-10-09 | 2019-01-15 | 合肥凯大新型材料科技有限公司 | A kind of modified gypsum base structural lumber with thermal-insulating waterproof |
-
2019
- 2019-05-09 CN CN201910388446.9A patent/CN111606667A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110297310A1 (en) * | 2010-06-07 | 2011-12-08 | Certainteed Gypsum, Inc. | Method for Constructing Composite Building Boards Using Dissolvable Films |
| CN109133824A (en) * | 2017-06-28 | 2019-01-04 | 北新集团建材股份有限公司 | A kind of Thistle board and preparation method thereof |
| CN109206112A (en) * | 2018-10-09 | 2019-01-15 | 合肥凯大新型材料科技有限公司 | A kind of modified gypsum base structural lumber with thermal-insulating waterproof |
Non-Patent Citations (1)
| Title |
|---|
| 李学燕主编: "《实用环保型建筑涂料与涂装》", 31 March 2006, 科学技术文献出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112341122A (en) * | 2020-11-10 | 2021-02-09 | 砼济(江苏)节能新材料科技有限公司 | Calcined desulfurized gypsum composite cementing material insulation board with heat reflection coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109354478A (en) | A kind of lightweight plastering gupsum | |
| CN104744975B (en) | A kind of magnesium phosphate inorganic thermal insulation coating and preparation method thereof | |
| CN106752431A (en) | A kind of scumbling type aqueous insulation insulating moulding coating and preparation method thereof | |
| JP2009155192A (en) | Lightweight mortar | |
| CN103266734A (en) | Inorganic composite flexible decorative coiled materials and producing method thereof | |
| CN104150933A (en) | High-temperature heat-insulation refractory mortar | |
| CN113719047B (en) | Building outer wall protection decoration structure, application and construction process | |
| CN111607276A (en) | Double-component thin-coating type heat-insulating putty and preparation method thereof | |
| CN111606733A (en) | Gypsum board and preparation method thereof | |
| CN109133841B (en) | Magnesium oxysulfate cement-based fireproof coating, preparation and construction method | |
| CN107140926B (en) | Gypsum-based steel structure fireproof protection material | |
| CN109133829A (en) | A kind of lightweight wall plaster, preparation method and application | |
| CN201896371U (en) | Composite heat-insulating structure for wall body | |
| CN106541639B (en) | A kind of insulation ultrathin type decorating board | |
| CN111606667A (en) | Composite gypsum board and preparation method thereof | |
| CN113754376B (en) | Building heat-preservation moisture-permeable plastering mortar and preparation method thereof | |
| CN112080163A (en) | Novel inorganic fireproof energy-saving composite coating and preparation method thereof | |
| CN102476936A (en) | Phase-transition energy-storage material for thermal insulation of building | |
| CN104334512A (en) | Method of reducing sag of a ceiling tile and ceiling tile | |
| CN102995761A (en) | Purely inorganic A heat-insulating mortar and heat-insulating system structure using the same | |
| CN104891923A (en) | One-step formed light gypsum plaster | |
| JP2686833B2 (en) | Refractory coating composition with excellent adhesion to iron | |
| CN110305516A (en) | A kind of interior wall desulfurized gypsum putty | |
| CN110451916A (en) | A kind of expanded perlite light thermal insulation decoration integrated board and preparation method thereof | |
| CN104529346B (en) | A kind of outdoor thicker fire-resistant coating for steel structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |