CN113683367A - Inorganic sealant and preparation method and application thereof - Google Patents
Inorganic sealant and preparation method and application thereof Download PDFInfo
- Publication number
- CN113683367A CN113683367A CN202111162994.3A CN202111162994A CN113683367A CN 113683367 A CN113683367 A CN 113683367A CN 202111162994 A CN202111162994 A CN 202111162994A CN 113683367 A CN113683367 A CN 113683367A
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- Prior art keywords
- emulsion
- inorganic sealant
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- inorganic
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
- C04B2111/00646—Masonry mortars
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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
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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
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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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
- 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)
Abstract
The invention provides an inorganic sealant and a preparation method and application thereof, belonging to the technical field of sealing materials. The invention provides an inorganic sealant which comprises the following components in percentage by mass: 10 to 20 percent of emulsion, 40 to 50 percent of adhesive material, 0.1 to 0.3 percent of anti-crack short fiber, 39 to 44 percent of aggregate and 0.5 to 1 percent of additive. The inorganic sealant provided by the invention mainly comprises aggregate and an adhesive material, the mass percentage of the aggregate and the adhesive material is more than 80%, the mass percentage of the emulsion is only 10-20%, the inorganic sealant belongs to inorganic materials, and the inorganic materials have better ultraviolet resistance, aging resistance and weather resistance than organic materials.
Description
Technical Field
The invention relates to the technical field of sealing materials, in particular to an inorganic sealant and a preparation method and application thereof.
Background
At present, sealing adhesives adopted in building walls, heat-insulation integrated plates, curtain walls and heat insulation are silicone organic sealing adhesives which belong to organic products, have poor ultraviolet resistance and generally have the problems of cracking, peeling, water seepage and the like after 2-3 years.
Disclosure of Invention
In view of the above, the present invention aims to provide an inorganic sealant, a preparation method and an application thereof. The inorganic sealant provided by the invention has strong ultraviolet resistance, aging resistance and good weather resistance.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an inorganic sealant which comprises the following components in percentage by mass: 10 to 20 percent of emulsion, 40 to 50 percent of adhesive material, 0.1 to 0.3 percent of anti-crack short fiber, 39 to 44 percent of aggregate and 0.5 to 1 percent of additive.
Preferably, the anti-cracking short fiber is basalt fiber yarn, glass fiber yarn, carbon fiber yarn, nylon fiber yarn, polyester fiber yarn, polypropylene fiber yarn, polyester fiber yarn, polyethylene fiber yarn or polypropylene fiber yarn.
Preferably, the emulsion is vinyl acetate-ethylene copolymer emulsion, acrylate emulsion, vinyl acetate-acrylic emulsion, ethylene-propylene emulsion, pure acrylic emulsion, styrene-acrylic emulsion or silicone-acrylic emulsion.
Preferably, the solid content of the emulsion is 40-50%.
Preferably, the cementitious material is portland cement, portland slag cement, portland pozzolan cement, portland fly ash cement, or composite portland cement.
Preferably, the aggregate is quartz sand or yellow sand.
Preferably, the particle size of the aggregate is 120-230 μm.
Preferably, the additives comprise a water retention agent, a water repellent and a mildew preventive;
the water retaining agent comprises one or more of cellulose ether, polyvinyl alcohol and starch ether;
the water repellent is zinc stearate and/or organic silicon;
the mildew preventive comprises one or more of calcium propionate, sodium sorbate, sodium benzoate, propionic acid, sorbic acid, benzoic acid and acetic acid.
The invention also provides a preparation method of the inorganic sealant, which comprises the following steps: and mixing the emulsion, the adhesive material, the anti-cracking short fiber, the aggregate and the additive to obtain the inorganic sealant.
The invention also provides the application of the inorganic sealant in the technical scheme in the field of buildings.
The invention provides an inorganic sealant which comprises the following components in percentage by mass: 10 to 20 percent of emulsion, 40 to 50 percent of adhesive material, 0.1 to 0.3 percent of anti-crack short fiber, 39 to 44 percent of aggregate and 0.5 to 1 percent of additive. The inorganic sealant provided by the invention is a novel inorganic material sealant, can resist high temperature and low temperature, is low in cost, is not easy to age, and has high adhesion and long service life. Meanwhile, the material is water-soluble, non-toxic, non-combustible, free of environmental pollution and small in thermal expansion coefficient, and is only 1/10 of steel and 1/3 of ceramic.
Compared with the prior art, the invention has the following beneficial effects:
the anti-ultraviolet and anti-aging performances are strong, and the weather resistance is good: the inorganic sealant provided by the invention mainly comprises aggregate and an adhesive material, the mass percentage is over 79 percent, the mass percentage of the emulsion is only 10-20 percent, the inorganic sealant belongs to inorganic materials, and the ultraviolet resistance, the ageing resistance and the weather resistance of the inorganic materials are better than those of organic materials;
tensile and compressive mechanical strength is high: the tensile strength of the organic silicone adhesive generally has no tensile and compressive performance indexes, while the tensile strength of the inorganic sealant provided by the invention is more than or equal to 3.5MPa, and the compressive strength is more than or equal to 1.0 MPa;
the fireproof performance is high in grade, and the flame retardance is good: the inorganic sealant provided by the invention mainly comprises aggregate and an adhesive material, the mass percentage is over 79 percent, and the mass percentage of the emulsion is only 10-20 percent, so that the inorganic sealant is fireproof and non-combustible;
the construction interval time is longer and can be prolonged to 1-4 hours: the inorganic sealant provided by the invention has the advantages that a certain amount of additive is added, so that the opening time in the inorganic sealant is prolonged, and the operation time is (1.5-4) hours generally, namely the inorganic sealant provided by the invention can be placed for a certain time generally, cannot be solidified, can be continuously constructed and is not influenced in strength.
The data of the examples show that the performance of the inorganic sealant provided by the present invention meets table 1.
TABLE 1 Performance index of inorganic sealants according to the invention
Drawings
FIG. 1 is a schematic view of the application of the inorganic sealant provided by the present invention.
Detailed Description
The invention provides an inorganic sealant which comprises the following components in percentage by mass: 10 to 20 percent of emulsion, 40 to 50 percent of adhesive material, 0.1 to 0.3 percent of anti-crack short fiber, 39 to 44 percent of aggregate and 0.5 to 1 percent of additive.
In the present invention, unless otherwise specified, all the raw materials used are commercially available in the art.
In the present invention, the anti-crack short fiber serves to improve the mechanical strength and crack resistance of the inorganic sealant.
In the invention, the diameter of the anti-crack short fiber is preferably 18-45 μm, and the length of the anti-crack short fiber is preferably 5-15 mm.
In the invention, the anti-crack short fiber is preferably basalt fiber yarn, glass fiber yarn, carbon fiber yarn, nylon fiber yarn, polyester fiber yarn, polypropylene fiber yarn, polyester fiber yarn, polyethylene fiber yarn or polypropylene fiber yarn.
The inorganic sealant provided by the invention preferably comprises 15% of emulsion by mass.
In the present invention, the emulsion is preferably a vinyl acetate-ethylene copolymer emulsion (VAE emulsion), an acrylate emulsion, a vinyl acetate-acrylic emulsion, an ethylene-propylene emulsion, a acrylic emulsion, a styrene-acrylic emulsion, or a silicone-acrylic emulsion.
In the invention, the solid content of the emulsion is preferably 40-50%.
In the present invention, the adhesive material is preferably portland cement, portland slag cement, portland pozzolana cement, portland fly ash cement, or composite portland cement.
In the present invention, the aggregate is preferably quartz sand or yellow sand.
In the invention, the particle size of the aggregate is preferably 120-230 μm, and more preferably 150-200 μm.
In the present invention, the additives preferably include a water retention agent, a water repellent and a mildewproof agent; the water retaining agent preferably comprises one or more of cellulose ether, polyvinyl alcohol and starch ether; the water repellent is preferably zinc stearate and/or organosilicon; the mould inhibitor preferably comprises one or more of calcium propionate, sodium sorbate, sodium benzoate, propionic acid, sorbic acid, benzoic acid and acetic acid.
In the invention, the mass percentage content of the water retention agent in the inorganic sealant is preferably 0.2-0.5%, and more preferably 0.2%.
In the invention, the mass percentage of the water repellent in the inorganic sealant is preferably 0.2-0.5%, and more preferably 0.3%.
In the invention, the mass percentage of the mildew preventive in the inorganic sealant is preferably 0.1-0.2%.
The invention also provides a preparation method of the inorganic sealant, which comprises the following steps: and mixing the emulsion, the adhesive material, the anti-cracking short fiber, the aggregate and the additive to obtain the inorganic sealant. The mixing method is not particularly limited, and may be any method known to those skilled in the art, such as mechanical stirring.
The invention also provides the application of the inorganic sealant in the technical scheme or the inorganic sealant prepared by the preparation method in the technical scheme in the building field. The invention is not particularly limited to the specific manner of use described, as such may be readily adapted by those skilled in the art.
FIG. 1 is a schematic view of the application of the inorganic sealant provided by the present invention.
In order to further illustrate the present invention, the inorganic sealants provided by the present invention and the preparation method and application thereof will be described in detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example 1
An inorganic sealant comprises the following components in percentage by mass: 15 percent of emulsion (silicone-acrylic emulsion with the solid content of 40 percent), 40 percent of adhesive material (portland cement), 0.3 percent of anti-crack short fiber (basalt fiber), 44 percent of aggregate (quartz sand, 230 mu m), 0.2 percent of water retention agent (starch ether), 0.3 percent of water repellent (zinc stearate) and 0.2 percent of mildew preventive (sodium sorbate).
The preparation method comprises the following steps:
and mechanically stirring and mixing the emulsion, the adhesive material, the anti-cracking short fiber, the aggregate and the additive to obtain the inorganic sealant.
Example 2
An inorganic sealant comprises the following components in percentage by mass: 20% of emulsion (vinyl acetate-acrylic emulsion with the solid content of 40%), 40% of adhesive material (portland cement), 0.3% of anti-crack short fiber (basalt fiber), 39% of aggregate (quartz sand, 230 microns), 0.2% of water-retaining agent (starch ether), 0.3% of water repellent (zinc stearate) and 0.2% of mildew preventive (calcium propionate).
The preparation method is the same as that of example 1.
Example 3
An inorganic sealant comprises the following components in percentage by mass: 10 percent of emulsion (silicone-acrylic emulsion with the solid content of 40 percent), 50 percent of adhesive material (pozzolanic portland cement), 0.3 percent of anti-crack short fiber (polyethylene fiber), 39 percent of aggregate (quartz sand, 120 mu m), 0.2 percent of water retention agent (cellulose ether), 0.3 percent of water repellent (organic silicon) and 0.2 percent of mildew preventive (calcium propionate).
The preparation method is the same as that of example 1.
The performance of the inorganic sealant prepared in examples 1 to 3 was tested, and the results are shown in Table 2.
TABLE 2 Performance test results of inorganic sealants prepared in examples 1 to 3
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The inorganic sealant is characterized by comprising the following components in percentage by mass: 10 to 20 percent of emulsion, 40 to 50 percent of adhesive material, 0.1 to 0.3 percent of anti-crack short fiber, 39 to 44 percent of aggregate and 0.5 to 1 percent of additive.
2. The inorganic sealant according to claim 1, wherein the anti-cracking short fiber is basalt fiber, glass fiber, carbon fiber, nylon fiber, polyester fiber, polypropylene fiber, polyester fiber, polyethylene fiber or polypropylene fiber.
3. The inorganic sealant according to claim 1, wherein the emulsion is vinyl acetate-ethylene copolymer emulsion, acrylate emulsion, vinyl acetate-acrylic emulsion, ethylene-propylene emulsion, acrylic emulsion, styrene-acrylic emulsion or silicone-acrylic emulsion.
4. The inorganic sealant according to claim 1 or 3, wherein the solid content of the emulsion is 40 to 50%.
5. The inorganic sealant of claim 1 wherein the adhesive material is portland cement, portland slag cement, portland pozzolanic cement, portland fly ash cement, or composite portland cement.
6. The inorganic sealant according to claim 1, wherein the aggregate is quartz sand or yellow sand.
7. The inorganic sealant according to claim 1 or 6, wherein the aggregate has a particle size of 120 to 230 μm.
8. The inorganic sealant according to claim 1, wherein the additive comprises a water retention agent, a water repellent and a mildew preventive;
the water retaining agent comprises one or more of cellulose ether, polyvinyl alcohol and starch ether;
the water repellent is zinc stearate and/or organic silicon;
the mildew preventive comprises one or more of calcium propionate, sodium sorbate, sodium benzoate, propionic acid, sorbic acid, benzoic acid and acetic acid.
9. The method for preparing the inorganic sealant according to any one of claims 1 to 8, which is characterized by comprising the following steps: and mixing the emulsion, the adhesive material, the anti-cracking short fiber, the aggregate and the additive to obtain the inorganic sealant.
10. Use of the inorganic sealant according to any one of claims 1 to 8 in the field of construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111162994.3A CN113683367A (en) | 2021-09-30 | 2021-09-30 | Inorganic sealant and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111162994.3A CN113683367A (en) | 2021-09-30 | 2021-09-30 | Inorganic sealant and preparation method and application thereof |
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| CN113683367A true CN113683367A (en) | 2021-11-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100275817A1 (en) * | 2009-05-01 | 2010-11-04 | Iowa State University Research Foundation, Inc. | Asphalt materials containing bio-oil and methods for production thereof |
| CN104129968A (en) * | 2014-07-18 | 2014-11-05 | 安徽千和新材料科技发展有限公司 | Organic-inorganic compound thermal insulation clay for building exterior wall and preparation method thereof |
| CN109987887A (en) * | 2019-03-29 | 2019-07-09 | 深圳中天精装股份有限公司 | A kind of assembled architecture sealant and preparation method thereof |
-
2021
- 2021-09-30 CN CN202111162994.3A patent/CN113683367A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100275817A1 (en) * | 2009-05-01 | 2010-11-04 | Iowa State University Research Foundation, Inc. | Asphalt materials containing bio-oil and methods for production thereof |
| CN104129968A (en) * | 2014-07-18 | 2014-11-05 | 安徽千和新材料科技发展有限公司 | Organic-inorganic compound thermal insulation clay for building exterior wall and preparation method thereof |
| CN109987887A (en) * | 2019-03-29 | 2019-07-09 | 深圳中天精装股份有限公司 | A kind of assembled architecture sealant and preparation method thereof |
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Application publication date: 20211123 |