CN111606652A - Antibacterial mildew-proof caulking gypsum - Google Patents
Antibacterial mildew-proof caulking gypsum Download PDFInfo
- Publication number
- CN111606652A CN111606652A CN201910354355.3A CN201910354355A CN111606652A CN 111606652 A CN111606652 A CN 111606652A CN 201910354355 A CN201910354355 A CN 201910354355A CN 111606652 A CN111606652 A CN 111606652A
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- CN
- China
- Prior art keywords
- antibacterial
- caulking gypsum
- mildewproof
- gypsum
- caulking
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- 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.)
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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
- 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
- C04B28/143—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 phosphogypsum
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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
- 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
-
- 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
- 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
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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)
- Sealing Material Composition (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application discloses antibacterial mildew-proof caulking gypsum and a preparation method thereof. The antibacterial mildew-proof caulking gypsum comprises phosphogypsum, an antibacterial metal material and a solid waste acidity regulator. The method comprises the following steps: mixing the components together and stirring. The caulking gypsum has stable and lasting antibacterial and mildewproof functions, the strength and the anti-cracking performance can meet the use requirements, and a new way for comprehensive utilization of solid wastes is provided.
Description
Technical Field
The application relates to an inorganic building decoration material, in particular to antibacterial and mildewproof caulking gypsum.
Background
The jointing gypsum is prepared by adding a metering adhesive into fine semi-hydrated gypsum powder, is used for filling joints, nail holes and the like of building wall boards and other parts needing jointing in the building construction process, and is an essential matching product for indoor decoration.
In relatively humid environments such as toilets and kitchens, the gaps of floor tiles or wall tiles which are embedded by using common embedding gypsum often have the phenomena of mildew breeding such as yellowing and blackening, so that the appearance is influenced, and certain threats are caused to the health of people.
Disclosure of Invention
In order to solve the technical problem, the application provides caulking gypsum with antibacterial and mildew-proof functions.
Specifically, the application provides antibacterial and mildewproof caulking gypsum which comprises phosphogypsum, an antibacterial metal material and a solid waste acidity regulator.
In the examples of the present application, the weight ratio of the phosphogypsum, the antibacterial metal material and the solid waste acidity regulator can be 1000:5-10: 50-100.
In the embodiment of the present application, the antibacterial metal material may be an antibacterial metal oxide.
In the present embodiment, the antibacterial metal oxide may be selected from any one or more of zinc oxide, titanium dioxide, and cuprous oxide.
In the present embodiment, the grain size of the antibacterial metal material may not exceed 10 μm.
In the embodiment of the present application, the solid waste acidity regulator may be selected from any one or more of carbide slag, papermaking white mud and red mud.
In the embodiment of the application, the antibacterial and mildewproof caulking gypsum can also comprise a waterproof agent, a water-retaining agent, a bonding agent and a retarder.
In the embodiment of the application, the antibacterial and mildewproof caulking gypsum can comprise the following components in parts by weight:
in the embodiment of the application, the waterproof agent can be any one or more of organic silicon powder and emulsified paraffin; the water retaining agent can be selected from any one or more of carboxymethyl cellulose, hydroxypropyl methyl cellulose, carboxymethyl hydroxyethyl cellulose, hydroxypropyl cellulose, polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate; the binder may be rubber powder, for example, may be selected from any one or more of natural rubber powder (including natural plant rubber powder and natural animal rubber powder) and synthetic rubber powder (e.g., re-dispersible latex powder); the retarder can be any one or more of citric acid, sodium citrate, tartaric acid, sodium tartrate, sodium hexametaphosphate and borax.
It is to be understood that the water-proofing agents, water-retaining agents, binders, retarders used in the caulk are not limited to the specific materials listed above, which are not intended to limit the application in any manner or substantially, and that materials capable of performing the function of the various agents may be used in the preparation of the caulk of the present application.
The application also provides a preparation method of the antibacterial and mildewproof caulking gypsum, which comprises the following steps: mixing the components together and stirring.
The application adopts the phosphogypsum as a main raw material, and the phosphogypsum contains a certain amount of hard elements such as iron, aluminum and silicon, so that the wear resistance of the caulking gypsum can be improved; the low-cost copper, zinc and titanium oxides are used as the antibacterial and mildew-proof functional materials, and the antibacterial and mildew-proof materials have stable and lasting antibacterial and mildew-proof functions, so that the caulking gypsum has stable and lasting antibacterial and mildew-proof functions, and the copper, zinc and titanium oxides have photocatalytic effects and can further enhance the antibacterial functions. In addition, the phosphogypsum and the solid waste acidity regulator belong to industrial byproducts, so that the application provides a new way for comprehensively utilizing solid wastes.
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 present application may be realized and attained by the structure particularly pointed out in the written description.
Detailed Description
Hereinafter, embodiments of the present application will be described in detail to make objects, technical solutions and advantages of the present application more apparent. 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.
In the following examples, phosphogypsum, calcium carbide slag powder, papermaking white mud and red mud which are adopted when preparing caulking gypsum are common solid wastes in the field, the sources of the solid wastes are not strictly required, and other raw materials are also common commercial products.
Example 1
Adding 1kg of phosphogypsum clinker powder (pH is 3.2), 5g of zinc oxide (with the particle size of 0.1-1 mu m), 6g of organic silicon powder (waterproof agent), 8g of sodium carboxymethylcellulose (water-retaining agent), 1g of redispersible latex powder (binder), 2g of citric acid (retarder) and 50g of carbide slag powder (regulator) (pH is 13.5) into a stirrer, and uniformly stirring to obtain the wear-resistant mildew-proof caulking gypsum powder.
Example 2
Adding 1kg of phosphogypsum clinker powder (pH is 3.5), 10g of titanium dioxide (with the particle size of 10-100nm), 4g of organic silicon powder (waterproof agent), 6g of sodium hydroxypropyl methylcellulose (water-retaining agent), 0.1g of redispersible latex powder (binder), 1g of sodium tartrate (retarder) and 60g of papermaking white mud (regulator) (pH is 12.0) into a stirrer, and uniformly stirring to obtain the wear-resistant mildew-proof caulking gypsum powder.
Example 3
Adding 1kg of phosphogypsum clinker powder (pH is 3.5), 5g of zinc oxide (with the particle size of 0.1-1 mu m), 6g of emulsified paraffin (waterproof agent), 8g of carboxymethyl hydroxyethyl cellulose (water-retaining agent), 1g of redispersible latex powder (adhesive), 2g of sodium citrate (retarder) and 50g of carbide slag powder (regulator) (pH is 13.5) into a stirrer, and uniformly stirring to obtain the wear-resistant mildew-proof caulking gypsum powder.
Example 4
Adding 1kg of phosphogypsum clinker powder (pH is 3.2), 5g of cuprous oxide (with the particle size of 1-10 mu m), 6g of organic silicon powder (waterproof agent), 8g of polyacrylamide (water-retaining agent), 0.1g of redispersible latex powder (binder), 1g of sodium hexametaphosphate (retarder) and 80g of papermaking white mud (regulator) (pH is 11.2) into a stirrer, and uniformly stirring to obtain the wear-resistant mildew-proof caulking gypsum powder.
Example 5
Adding 1kg of phosphogypsum clinker powder (pH is 3.5), 5g of copper oxide (with the particle size of 1-10 mu m), 5g of organic silicon powder (waterproof agent), 1g of ammonium polyacrylate (water-retaining agent), 2g of redispersible latex powder (binder), 0.2g of borax (retarder) and 100g of red mud (regulator) (pH is 10.2) into a stirrer, and uniformly stirring to obtain the wear-resistant mildew-proof caulking gypsum powder.
Comparative example 1
Adding 1kg of phosphogypsum clinker powder (pH is 3.5), 6g of organic silicon powder (waterproof agent), 6g of sodium carboxymethylcellulose (water-retaining agent), 0.8g of redispersible latex powder (binder), 2g of citric acid (retarder) and 50g of carbide slag (regulator) (pH is 13.2) into a stirrer, and uniformly stirring to obtain the caulking gypsum powder.
Comparative example 2
The preparation of the existing caulking gypsum: adding 1kg of desulfurized gypsum clinker powder (pH is 6.2), 6g of organic silicon powder (waterproof agent), 6g of sodium carboxymethylcellulose (water-retaining agent), 0.8g of redispersible latex powder (binder) and 1g of citric acid (retarder) into a stirrer, and uniformly stirring to prepare the caulking gypsum powder.
Performance testing
And (3) testing the antibacterial and mildewproof effect: and (3) preparing the caulking gypsum into a test block, placing the test block in a mould incubator for 28 days under the conditions of 35 ℃ and RT 00% humidity, and observing the growth condition of mould on the surface of the test block.
The other technical indexes are tested according to the JC/T2075-2011 standard method.
The test results are shown in table 1.
TABLE 1
As can be seen from table 1, the caulking gypsum of the examples of the present application has significantly better antibacterial and mildewproof properties than the caulking gypsum of the comparative example, and in particular, as can be seen from the caulking gypsum of the comparative example and the comparative example 1, the use of the antibacterial metal material improves the antibacterial and mildewproof properties of the caulking gypsum. In addition, after the solid wastes such as the phosphogypsum, the carbide slag, the papermaking white mud and the red mud are adopted, the initial setting time and the final setting time of the caulking gypsum are appropriate, the strength and the anti-cracking performance are still good, and the use requirements can be met.
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 (9)
1. The antibacterial mildew-proof caulking gypsum is characterized by comprising phosphogypsum, an antibacterial metal material and a solid waste acidity regulator.
2. The antibacterial and mildewproof caulking gypsum of claim 1, wherein the weight ratio of the phosphogypsum to the antibacterial metal material to the solid waste acidity regulator is 1000:5-10: 50-100.
3. The antimicrobial mildewproof caulking gypsum of claim 1, wherein the antimicrobial metal material is an antimicrobial metal oxide.
4. The antibacterial and mildewproof caulking gypsum of claim 3, wherein the antibacterial metal oxide is selected from any one or more of zinc oxide, titanium dioxide and cuprous oxide.
5. The antibacterial and mildewproof caulking gypsum of claim 1, wherein the grain size of the antibacterial metal material is not more than 10 μm.
6. The antibacterial and mildewproof caulking gypsum of claim 1, wherein the solid waste acidity regulator is selected from any one or more of carbide slag, papermaking white mud and red mud.
7. The antibacterial and mildewproof caulking gypsum of any one of claims 1 to 6, further comprising a waterproofing agent, a water retaining agent, a bonding agent, a retarder.
8. The antibacterial and mildewproof caulking gypsum of claim 7 comprises the following components in parts by weight:
9. the method for preparing antibacterial and mildewproof caulking gypsum according to any one of claims 1 to 8, wherein the method comprises: mixing the components together and stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354355.3A CN111606652A (en) | 2019-04-29 | 2019-04-29 | Antibacterial mildew-proof caulking gypsum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354355.3A CN111606652A (en) | 2019-04-29 | 2019-04-29 | Antibacterial mildew-proof caulking gypsum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111606652A true CN111606652A (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910354355.3A Pending CN111606652A (en) | 2019-04-29 | 2019-04-29 | Antibacterial mildew-proof caulking gypsum |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264480A (en) * | 2008-04-25 | 2008-09-17 | 贵州平坝宏大铝化工有限公司 | Harm-reducing treatment method for phosphogypsum and red mud |
| CN104310836A (en) * | 2014-09-28 | 2015-01-28 | 四川鑫统领建材科技有限公司 | Modified phosphogypsum as well as preparation method and use of modified phosphogypsum |
| CN107434390A (en) * | 2016-05-25 | 2017-12-05 | 镇江北新建材有限公司 | A kind of water-fast filleting land plaster and preparation method thereof |
| CN108975856A (en) * | 2018-09-27 | 2018-12-11 | 四川明康善筑建材有限公司 | A kind of production method of the mould proof ardealite partition plate of nano modification |
-
2019
- 2019-04-29 CN CN201910354355.3A patent/CN111606652A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264480A (en) * | 2008-04-25 | 2008-09-17 | 贵州平坝宏大铝化工有限公司 | Harm-reducing treatment method for phosphogypsum and red mud |
| CN104310836A (en) * | 2014-09-28 | 2015-01-28 | 四川鑫统领建材科技有限公司 | Modified phosphogypsum as well as preparation method and use of modified phosphogypsum |
| CN107434390A (en) * | 2016-05-25 | 2017-12-05 | 镇江北新建材有限公司 | A kind of water-fast filleting land plaster and preparation method thereof |
| CN108975856A (en) * | 2018-09-27 | 2018-12-11 | 四川明康善筑建材有限公司 | A kind of production method of the mould proof ardealite partition plate of nano modification |
Non-Patent Citations (2)
| Title |
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| 舒艺周: "我国磷石膏现有资源化利用方式", 《磷肥与复肥》 * |
| 赵云龙等: "《石膏干混建材生产及应用技术》", 30 November 2016, 中国建材工业出版社 * |
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Application publication date: 20200901 |
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