CN115108796A - Lightweight plastering gypsum and preparation method thereof - Google Patents
Lightweight plastering gypsum and preparation method thereof Download PDFInfo
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- CN115108796A CN115108796A CN202210727138.6A CN202210727138A CN115108796A CN 115108796 A CN115108796 A CN 115108796A CN 202210727138 A CN202210727138 A CN 202210727138A CN 115108796 A CN115108796 A CN 115108796A
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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
- C04B28/14—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
- C04B28/142—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 containing synthetic or waste calcium sulfate cements
- C04B28/144—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 containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The application relates to the field of green building materials, in particular to light plastering gypsum and a preparation method thereof. A lightweight plastering gypsum comprises the following raw materials: desulfurized gypsum, stone powder, vitrified micro bubbles, ramie fibers, straw fibers, starch ether, thixotropic agent, retarder and cellulose ether; the preparation method comprises the following steps: step 1): uniformly mixing a retarder, ramie fibers, straw fibers and cellulose ether to obtain a first mixture; step 2): mixing the desulfurized gypsum, the vitrified micro bubbles and the stone powder uniformly to obtain a second mixture; and step 3): mixing amylase, thixotropic agent and retarder uniformly to obtain a third mixture; step 4): and mixing the first mixture, the second mixture and the third mixture uniformly to obtain a finished product. The application has the advantages of preparing the light plastering gypsum which is green and environment-friendly and not easy to crack.
Description
Technical Field
The application relates to the field of green building materials, in particular to light plastering gypsum and a preparation method thereof.
Background
The plastering gypsum is a high-efficiency and energy-saving plastering and leveling material for building interior walls and ceilings, which is prepared by adding sand, an admixture and a special composite additive into gypsum serving as a main cementing material. The adhesive is novel, environment-friendly and economical to popularize instead of cement mortar, has the strength of cement, has the advantages of being healthier and more environment-friendly than cement, durable, large in bonding force, free of cracking, hollowing and powder falling, simple and convenient to use, and cost-saving.
In the related art, natural gypsum is limited in mineral reserves due to its natural properties, resulting in high manufacturing costs. Therefore, the industrial byproducts of desulfurized gypsum and phosphogypsum discharged from industrial production are vigorously developed at the present stage. Meanwhile, environmental protection and recycling are the main melody nowadays, so it is necessary to develop a light plastering gypsum which is environmental protection and not easy to crack.
Disclosure of Invention
In order to prepare green and environment-friendly light plastering gypsum which is not easy to crack, the application provides the light plastering gypsum and a preparation method thereof.
In a first aspect, the application provides a light plastering gypsum, which adopts the following technical scheme:
a light plastering gypsum comprises the following raw materials in parts by weight: 760 parts of 700-doped desulfurized gypsum, 170 parts of 135-doped stone powder, 85-95 parts of vitrified micro bubbles, 1.5-3.5 parts of ramie fibers, 0.8-1.5 parts of straw fibers, 0.3-0.7 part of starch ether, 0.8-1.5 parts of thixotropic agent, 1-5 parts of retarder and 1.0-2.5 parts of cellulose ether.
Preferably, the light plastering gypsum comprises the following raw materials in parts by weight: 735-755 parts of desulfurized gypsum, 148-165 parts of stone powder, 88-93 parts of vitrified micro bubbles, 2.0-3.0 parts of ramie fibers, 1.0-1.2 parts of straw fibers, 0.3-0.7 part of starch ether, 0.8-1.5 parts of thixotropic agent, 1-3 parts of retarder and 1.5-2.5 parts of cellulose ether.
The ramie fibers and the straw fibers are all derived from fiber waste materials produced by agricultural plants, China belongs to a big agricultural country, crop resources are rich, and the annual yield of the waste plant fibers is also large. The ramie fibers and the straw fibers are applied to the plastering gypsum for replacing cement, so that land resources and energy consumption can be greatly saved, and considerable economic and social benefits are brought.
The mass of the vitrified micro bubbles is light, and the vitrified micro bubbles can float upwards in the actual stirring of the plastering gypsum mixed by adding water, so that the vitrified micro bubbles are unevenly distributed in the system, thereby affecting the overall performance of the plastering gypsum and causing easy cracking.
By adopting the technical scheme, under the common cooperation of the vitrified micro bubbles, the ramie fibers and the straw fibers, the air entraining effect on the system is further improved, a large amount of stable micro bubbles are introduced, and the ball bearing effect is formed, so that the fluidity of the whole system is improved. The system with good fluidity can also improve the homogeneity, and the vitrified micro bubbles smoothly flow to each position in the system, thereby reducing the occurrence of the situation that the vitrified micro bubbles completely float upwards. Meanwhile, due to good flowing and homogeneity, the slurry such as desulfurized gypsum in the system can fully wrap the vitrified micro bubbles, the vitrified micro bubbles are not easy to be broken during stirring, and the strength of the plastering gypsum is favorably improved. Moreover, the ramie fibers and the straw fibers have certain water absorption, and in order to keep the dynamic balance of water, the ramie fibers and the straw fibers can continuously and dynamically provide the required water for the system, thereby being beneficial to improving the strength of the plastering gypsum.
Moreover, the inventor finds that when the ramie fibers and the straw fibers are excessively doped in the system, the ramie fibers and the straw fibers are easy to generate a blocking phenomenon, and the fibers and the pulp, the fibers and the fibers, and the glass beads are blocked, so that the whole system is difficult to stir uniformly. Therefore, it is necessary to control the ratio of each raw material to be used within the range provided in the present application.
Preferably, the vitrified micro bubbles comprise one or more of 70-90 mesh vitrified micro bubbles and 50-70 mesh vitrified micro bubbles.
Preferably, the vitrified micro bubbles are vitrified micro bubbles of 70-90 meshes and vitrified micro bubbles of 50-70 meshes in a weight ratio of 1: (0.2-0.4) in proportion.
By adopting the technical scheme, the vitrified micro bubbles with different grain diameters and grading are adopted, the hole of the mortar is effectively reduced, the filling of the slurry is reduced, and the strength of the plastering gypsum can be improved on the premise of ensuring the light weight of the plastering gypsum.
Preferably, the thixotropic agent comprises one or more of fumed silica, precipitated silica, organobentonite and attapulgite.
By adopting the technical scheme, the specific thixotropic agent is favorable for endowing plastering gypsum with better thixotropic property, and the thixotropic agent is favorable for improving the stability and is not easy to precipitate when added into a system.
Preferably, the thixotropic agent is fumed silica and organic bentonite in a weight ratio of 1: (0.5-0.7) by weight ratio.
By adopting the technical scheme, under the coordination of thixotropic agents of specific types and specific proportions, the lamellar structure in the bentonite and the characteristic of swelling and dispersing in water are fully utilized, and the thixotropy of the system is effectively improved.
Through adopting above-mentioned technical scheme, the plaster of plastering that this application provided can adapt to multiple retarder, and the raw materials source is wide, has good economic value.
Preferably, the ramie fibers and the straw fibers are cut into 6-12mm, washed by water and dried in the air; then ground into powder of 300-500 nm.
By adopting the technical scheme, the ramie fibers and the straw fibers are pretreated, ground into corresponding specifications and then put into a system for use, so that the dispersibility of the ramie fibers and the straw fibers in the system is improved, the ramie fibers and the straw fibers can better exert the self effect in the system, and the raw materials, especially the vitrified micro bubbles, are uniformly distributed in the system, so that the cracking resistance of the plastering gypsum is improved.
In a second aspect, the application provides a preparation method of light plastering gypsum, which adopts the following technical scheme: a preparation method of light plastering gypsum comprises the following steps:
step 1): uniformly mixing a retarder, ramie fibers, straw fibers and cellulose ether to obtain a first mixture;
step 2): uniformly mixing the desulfurized gypsum, the vitrified micro bubbles and the stone powder to obtain a second mixture;
step 3): mixing amylase, thixotropic agent and retarder uniformly to obtain a third mixture;
step 4): and mixing the first mixture, the second mixture and the third mixture uniformly to obtain a finished product.
By adopting the technical scheme, the raw materials are mixed according to a specific sequence and then are mixed together until a finished product is obtained, so that the raw materials are uniformly dispersed. When the subsequent water is added, the occurrence of agglomeration and caking is effectively reduced, and the dispersion is good, so that the cracking resistance effect of the plastering gypsum attached to the wall is improved.
In summary, the present application has the following beneficial effects:
1. the ramie fibers and the straw fibers are all derived from fiber waste materials produced by agricultural plants, China belongs to a big agricultural country, crop resources are rich, and the annual yield of the waste plant fibers is also large. The ramie fibers and the straw fibers are applied to the plastering gypsum for replacing cement, so that land resources and energy consumption can be greatly saved, and considerable economic and social benefits are brought.
2. Under the common cooperation of the vitrified micro bubbles, the ramie fibers and the straw fibers, the air entraining effect on the system is further improved, and a large amount of stable micro bubbles are introduced in the process of blending with water to form the ball effect, so that the fluidity of the whole system is improved. The system with good fluidity can also improve the homogeneity, the vitrified micro bubbles smoothly flow to each position in the system, and the occurrence of the situation that the vitrified micro bubbles completely float upwards is reduced, so that the anti-cracking effect of the system is improved, and the strength is good.
3. The vitrified micro bubbles with different grain diameters and grading are adopted, the hole of the mortar is effectively reduced, the filling of the slurry is reduced, and the strength of the plastering gypsum can be improved on the premise of ensuring the light weight of the plastering gypsum.
Detailed Description
The present application will be described in further detail with reference to examples.
The raw materials used in the following examples and comparative examples are all commercially available products.
Examples
Example 1
A lightweight plastering gypsum comprises the following raw materials: 700kg of desulfurized gypsum, 170kg of mountain flour, 95kg of vitrified micro bubbles, 1.5kg of ramie fibers, 1.5kg of straw fibers, 0.3kg of starch ether, 1.5kg of thixotropic agent and 1kg of retarder. Wherein, the vitrified micro bubbles are 60-mesh glass micro bubbles, the thixotropic agent is fumed silica, the retarder is protein derivative retarder, and the cellulose ether is hydroxypropyl methyl cellulose ether with 4 ten thousand of viscosity. The details are summarized in Table 1.
The embodiment of the application also provides a preparation method of the light plastering gypsum, which comprises the following steps:
step 1): mixing the retarder, the ramie fibers, the straw fibers and the cellulose ether together, stirring uniformly at the temperature of 50 ℃ at 65r/min, and preserving heat for 15min to obtain a first mixture.
Step 2): mixing the desulfurized gypsum, the vitrified micro bubbles and the stone powder together, and stirring the mixture uniformly under the condition of 85r/min to obtain a second mixture.
Step 3): mixing amylase, thixotropic agent and retarder together, and stirring at 65r/min to obtain a third mixture.
Step 4): and sequentially adding the first mixture, the second mixture and the third mixture, stirring for 15min under the condition of 100r/min, and then stirring for 20min under the condition of 50r/min to obtain a finished product.
Examples 2 to 5
The light plastering gypsum is different from the plastering gypsum in the embodiment 1 in the selection and the dosage of thixotropic agent, the specification and the dosage of vitrified micro bubbles and the materials of other raw materials. See table 1 for details.
TABLE 1
Example 6
The light plastering gypsum is different from the embodiment 5 in that the vitrified micro bubbles are 80-mesh vitrified micro bubbles and 60-mesh vitrified micro bubbles in a weight ratio of 1: the mixture was mixed at a ratio of 0.4, that is, the amount of 80 mesh vitrified small balls used was 65kg, and the amount of 60 mesh vitrified small balls used was 25 kg.
Example 7
The light plastering gypsum is different from the embodiment 5 in that the vitrified micro bubbles are 80-mesh vitrified micro bubbles and 60-mesh vitrified micro bubbles in a weight ratio of 1: the mixture was mixed at a ratio of 0.2, that is, the amount of 80 mesh vitrified small balls used was 75kg, and the amount of 60 mesh vitrified small balls used was 15 kg.
Example 8
A lightweight plastering gypsum is different from that in example 5 in that the thixotropic agent is fumed silica and organobentonite in a weight ratio of 1: 0.5, namely the usage amount of the fumed silica is 0.67kg, and the usage amount of the organic bentonite is 0.33 kg.
Example 9
A lightweight plastering gypsum is different from that in example 5 in that the thixotropic agent is fumed silica and organobentonite in a weight ratio of 1: 0.7, namely 0.59kg of fumed silica and 0.41kg of organic bentonite.
Example 10
A lightweight plastering gypsum is different from that of example 5 in that,
cutting ramie fiber and straw fiber into 10mm, cleaning with water, and air drying with 40 deg.C hot air. Then putting the mixture into a ball mill to be ground into powder with the particle size of 400 nm.
The vitrified micro bubbles are 80-mesh vitrified micro bubbles and 60-mesh vitrified micro bubbles in a weight ratio of 1: the mixture was mixed at a ratio of 0.4, that is, the amount of 80 mesh vitrified small balls used was 65kg, and the amount of 60 mesh vitrified small balls used was 25 kg.
The thixotropic agent is fumed silica and organic bentonite, and the weight ratio of the fumed silica to the organic bentonite is 1: 0.5, namely 0.67kg of fumed silica and 0.33kg of organic bentonite.
Comparative example
Comparative example 1
A lightweight plastering gypsum is different from that of example 5 in that vitrified small balls are replaced by polypropylene particles of equal weight.
Comparative example 2
A lightweight plastering gypsum is different from that in example 5 in that ramie fibers are replaced by hydroxypropyl methyl cellulose with equal weight.
Comparative example 3
A lightweight plastering gypsum is different from that in example 5 in that straw fibers are replaced by cotton fibers with equal weight.
Comparative example 4
The difference between the light plastering gypsum and the embodiment 5 is that the usage amount of ramie fiber is 10kg, and the usage amount of straw fiber is 10 kg.
Performance test
1. Compressive strength: the compressive strength tests of examples 1-10, comparative examples 1-4 and commercial light bottom layer plastering gypsum were carried out according to GB/T28627-2012 plastering gypsum.
2. Tensile bond strength: examples 1-10, comparative examples 1-4 and commercial lightweight base coat plaster were tested for tensile bond strength according to GB/T28627-2012 plastering Gypsum.
3. Cracking condition: the examples 1 to 10, the comparative examples 1 to 4 and the commercially available light plastering gypsum were applied to the wall surface while controlling the thickness to 1.0cm + -0.1 cm, after the wall surface was completely dried, water was sprayed to the target wall surface until the surface was wetted, and then hot air at 50 ℃ was continuously blown for 7 days to observe the state of the target wall surface.
4. Water retention: the water retention rates of examples 1-10, comparative examples 1-4 and commercial light bottom layer plastering gypsum were tested according to GB/T28627-2012 plastering gypsum.
The data obtained in tests 1 to 4 are shown in Table 2.
TABLE 2
As shown by comparing the test data of the examples 1-5 with the commercial plaster in Table 2, the plaster of the examples 1-5 is significantly better than the commercial plaster in compressive strength, tensile bonding strength and water retention rate, and the cracking resistance of the examples 1-5 is better than that of the commercial plaster. The plastering gypsum prepared by the scheme provided by the embodiment of the application not only makes good use of the environment-friendly elements such as desulfurized gypsum and fiber, but also prepares the plastering gypsum with excellent performance.
As can be seen from the comparison of the test data of examples 1 to 5 with comparative examples 1 to 3 in Table 2, the plasters of examples 1 to 5 are significantly better in strength and crack resistance than those of comparative examples 1 to 3. The method shows that in a plastering gypsum system using the vitrified micro bubbles, the vitrified micro bubbles are not easy to break and are uniformly distributed in the system under the mutual matching of the ramie fibers and the straw fibers, so that the performance of the prepared plastering gypsum can be obviously improved. The performance of the prepared plastering gypsum (comparative examples 1-3) which is one of the three materials is similar to that of the plastering gypsum sold on the market in all aspects.
As can be seen by comparing the detection data of comparative example 4, even if the three components are used in combination, the performance of the prepared plastering gypsum (comparative example 4) in strength and crack resistance can not reach the level of examples 1-5, even is slightly inferior to that of the commercially available plastering gypsum, if the performance exceeds the corresponding use ratio. The use proportion of the whole system of ramie fibers, straw fibers, vitrified micro bubbles and the like needs to be controlled.
As can be seen from the comparison of the test data of example 5 and examples 6 to 7 in Table 2, the plasters of examples 6 to 7 are improved in strength to a greater extent than those of example 5. The specification and the mixing proportion of the vitrified micro bubbles are further adjusted, which is beneficial to improving the performance of the plastering gypsum in all aspects.
As shown by comparing the test data of example 5 and examples 8-9 in Table 2, the plasters of examples 8-9 have improved compressive strength compared with example 5, indicating that the adjustment of the thixotropic agent has an effect on the system.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The light plastering gypsum is characterized by comprising the following raw materials in parts by weight: 760 parts of 700-doped desulfurized gypsum, 170 parts of 135-doped stone powder, 85-95 parts of vitrified micro bubbles, 1.5-3.5 parts of ramie fibers, 0.8-1.5 parts of straw fibers, 0.3-0.7 part of starch ether, 0.8-1.5 parts of thixotropic agent, 1-5 parts of retarder and 1.0-2.5 parts of cellulose ether.
2. The lightweight plastering gypsum of claim 1, wherein: the composite material comprises the following raw materials in parts by weight: 735-755 parts of desulfurized gypsum, 148-165 parts of stone powder, 88-93 parts of vitrified micro bubbles, 2.0-3.0 parts of ramie fibers, 1.0-1.2 parts of straw fibers, 0.3-0.7 part of starch ether, 0.8-1.5 parts of thixotropic agent, 1-3 parts of retarder and 1.5-2.5 parts of cellulose ether.
3. The lightweight plastering gypsum of claim 1, wherein: the vitrified micro bubbles comprise one or a mixture of 70-90 mesh vitrified micro bubbles and 50-70 mesh vitrified micro bubbles.
4. The lightweight plastering gypsum of claim 3, wherein: the vitrified micro bubbles are vitrified micro bubbles of 70-90 meshes and vitrified micro bubbles of 50-70 meshes in a weight ratio of 1: (0.2-0.4) in proportion.
5. The lightweight plastering gypsum of claim 1, wherein: the thixotropic agent comprises one or more of fumed silica, precipitated silica, organic bentonite and attapulgite.
6. The lightweight plastering gypsum of claim 5, wherein: the thixotropic agent is fumed silica and organic bentonite, and the weight ratio of the fumed silica to the organic bentonite is 1: (0.5-0.7) by weight ratio.
7. The lightweight plastering gypsum of claim 1, wherein: cutting the ramie fibers and the straw fibers into 6-12mm, cleaning with water, and air-drying; then ground into powder of 300-500 nm.
8. A method for preparing lightweight plastering gypsum, based on any one of claims 1 to 8, comprising the following steps:
step 1): uniformly mixing a retarder, ramie fibers, straw fibers and cellulose ether to obtain a first mixture;
step 2): uniformly mixing the desulfurized gypsum, the vitrified micro bubbles and the stone powder to obtain a second mixture;
and step 3): mixing amylase, thixotropic agent and retarder uniformly to obtain a third mixture;
step 4): and mixing the first mixture, the second mixture and the third mixture uniformly to obtain a finished product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784766A (en) * | 2022-11-29 | 2023-03-14 | 科顺民用建材有限公司 | Crop straw type gypsum plastering sound-insulation coating and preparation method and application thereof |
| CN116573913A (en) * | 2023-05-08 | 2023-08-11 | 浙江台州利伟节能建材有限公司 | Light plastering gypsum mortar and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1536663A (en) * | 1975-10-28 | 1978-12-20 | Cape Boards & Panels Ltd | Fibre-reinforced articles |
| CN111646772A (en) * | 2020-06-29 | 2020-09-11 | 陕西亮业科工贸有限公司 | Light plastering gypsum and preparation method thereof |
| CN112408897A (en) * | 2020-11-25 | 2021-02-26 | 武汉昌华汇鑫建材有限公司 | All-light concrete for concrete structure floor and preparation process thereof |
-
2022
- 2022-06-24 CN CN202210727138.6A patent/CN115108796B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1536663A (en) * | 1975-10-28 | 1978-12-20 | Cape Boards & Panels Ltd | Fibre-reinforced articles |
| CN111646772A (en) * | 2020-06-29 | 2020-09-11 | 陕西亮业科工贸有限公司 | Light plastering gypsum and preparation method thereof |
| CN112408897A (en) * | 2020-11-25 | 2021-02-26 | 武汉昌华汇鑫建材有限公司 | All-light concrete for concrete structure floor and preparation process thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784766A (en) * | 2022-11-29 | 2023-03-14 | 科顺民用建材有限公司 | Crop straw type gypsum plastering sound-insulation coating and preparation method and application thereof |
| CN115784766B (en) * | 2022-11-29 | 2023-11-24 | 科顺民用建材有限公司 | Crop straw type gypsum plastering sound-insulating coating and preparation method and application thereof |
| CN116573913A (en) * | 2023-05-08 | 2023-08-11 | 浙江台州利伟节能建材有限公司 | Light plastering gypsum mortar and preparation method thereof |
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| CN115108796B (en) | 2023-05-26 |
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