CN111056779A - Inorganic building coating with waterproof function and preparation method and application thereof - Google Patents
Inorganic building coating with waterproof function and preparation method and application thereof Download PDFInfo
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- CN111056779A CN111056779A CN201911396113.7A CN201911396113A CN111056779A CN 111056779 A CN111056779 A CN 111056779A CN 201911396113 A CN201911396113 A CN 201911396113A CN 111056779 A CN111056779 A CN 111056779A
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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
- C04B28/006—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 mineral polymers, e.g. geopolymers of the Davidovits type
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- 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
- C04B2111/00508—Cement paints
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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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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
-
- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides an inorganic building coating with a waterproof function, a preparation method and an application thereof, wherein the inorganic building coating with the waterproof function comprises the following components in parts by weight: metakaolin: 34-45 parts of alumina: 1-4 parts of water glass: 25-33 parts of sodium hydroxide: 4-8 parts of water: 15-25 parts. According to the invention, silicate is used as a binding phase, other components are used as a dispersion phase, the prepared coating is compact, has good waterproof capability, does not contain organic chemical components, achieves no toxins such as formaldehyde, VOC and the like in a real sense, has good environmental protection and fireproof functions, is more attractive after being added with pigments with different colors, and meets market requirements.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an inorganic building coating with a waterproof function, and a preparation method and application thereof.
Background
The coating is a continuous film which is coated on the surface of a protected or decorated object and can form firm adhesion with the object to be coated, and is a viscous liquid which is prepared by taking resin, oil or emulsion as a main material, adding or not adding pigments and fillers, adding corresponding auxiliary agents and using organic solvent or water. Since the early coatings mostly used vegetable oils as the main raw material, they were also called paints. Synthetic resins have now largely or completely replaced vegetable oils and are therefore known as coatings. The coating is not liquid, and powder coating is a large category of coating. The four main functions are as follows: protecting, decorating and masking the defects and other special functions of the product, and improving the value of the product.
Most of the coatings in the prior art are in an organic-inorganic mixed mode, and organic matters are generally toxic, so that the coatings in the prior art cannot be really nontoxic, the coatings in the prior art are easy to mildew in a humid environment, and mildew virus is another important environmental poison. In addition, in a high temperature environment, particularly in case of fire, the gas volatilized from the organic matter is flammable and becomes highly toxic with the rise of temperature, so that the coating containing the organic matter is a main cause of death from fire.
Disclosure of Invention
In view of the above, the present invention is directed to provide an inorganic building coating with waterproof function, so as to solve the problem that the existing coating mostly contains organic matters, which results in poor environmental protection and fireproof functions.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an inorganic building coating with a waterproof function comprises the following components in parts by weight: metakaolin: 34-45 parts of alumina: 1-4 parts of water glass: 25-33 parts of sodium hydroxide: 4-8 parts of water: 15-25 parts.
Optionally, the particle size of the metakaolin is less than or equal to 250 meshes, and the particle size of the alumina is less than or equal to 300 meshes.
The second object of the present invention is to provide a method for preparing the above inorganic architectural coating having a waterproof function, which comprises the steps of:
1) ultrasonically mixing the water glass, the water and the sodium hydroxide to obtain an alkali activator;
2) and adding the metakaolin and the alumina into the alkali activator which is kept stand for a period of time, and stirring and mixing to obtain the inorganic building coating with the waterproof function.
Optionally, the ultrasonic time of the ultrasonic mixing in the step 1) is not less than 1 h.
Optionally, the standing time of the standing in the step 2) is 24 hours, and the stirring time of the stirring and mixing is not less than 4 hours.
The third purpose of the present invention is to provide a use of the above inorganic building coating with waterproof function in building structure, which comprises the following steps:
coating or spraying the inorganic building coating with the waterproof function on the outer wall of a building, standing at normal temperature for not less than 5 days, or curing at 40-60 ℃ for 3-5 days, and drying.
Compared with the prior art, the inorganic building coating with the waterproof function has the following advantages:
1. according to the invention, silicate is used as a binding phase, other components are used as a dispersion phase, the prepared coating is compact, has good waterproof capability, does not contain organic chemical components, achieves no toxins such as formaldehyde, VOC and the like in a real sense, has good environmental protection and fireproof functions, is more attractive after being added with pigments with different colors, and meets market requirements.
2. The inorganic building coating with the waterproof function has the advantages of simple preparation method, low cost and easy obtainment of raw materials, and is beneficial to actual industrial production.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a graph showing the effect of an inorganic architectural coating having a waterproof function according to example 1 of the present invention on repairing surface defects of an architectural garbage product;
FIG. 2 is a diagram showing the coating effect of the inorganic architectural coating with waterproof function of example 1 of the present invention on a recycled brick;
FIG. 3 is a diagram showing the coating effect of the inorganic architectural coating with waterproof function of example 2 of the present invention on a recycled brick;
FIG. 4 is a diagram showing the coating effect of the inorganic architectural coating with waterproof function of example 3 of the present invention on a recycled brick;
FIG. 5 is a graph showing the effect of the inorganic building coating with waterproof function of example 4 of the present invention on the recycled brick.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the drawings and examples.
Example 1
An inorganic building coating with a waterproof function is prepared by the following steps:
1) accurately weighing 18 parts of metakaolin, 1 part of alumina, 14 parts of water glass, 2 parts of sodium hydroxide, 6 parts of water and 1 part of yellow pigment;
2) ultrasonically mixing water glass, water and sodium hydroxide for 1h to obtain an alkali activator;
2) and adding metakaolin, alumina and yellow pigment into the alkali activator which is kept stand for 24 hours, and stirring and mixing for 4 hours to obtain the inorganic building coating with the waterproof function.
The prepared inorganic building coating with the waterproof function is applied to a building structure, in the embodiment, taking a recycled brick as an example, the inorganic building coating with the waterproof function is coated on the recycled brick for the outer wall of a building, and the concrete steps are as follows:
and (3) coating or spraying the inorganic building coating with the waterproof function on the regenerated brick, standing for 5 days at normal temperature, and drying to obtain the regenerated brick with good waterproof property. Wherein, the recycled brick coated with the inorganic building coating with waterproof function of the embodiment is shown in fig. 2.
As can be seen from fig. 2, in this embodiment, the inorganic building coating with waterproof function on the recycled brick is light yellow, has a flat and smooth surface, and has no defects such as cracks and bubbles, and no obvious powder falling or falling phenomenon after washing.
The effect graph of the inorganic building coating with waterproof function of the embodiment is shown in fig. 1, wherein fig. 1(a) is before coating, and fig. 1(b) is after coating.
As can be seen from FIG. 1, the inorganic architectural coating with waterproof function of this embodiment can repair the surface defects of the building rubbish products well.
Example 2
An inorganic building coating with a waterproof function is prepared by the following steps:
1) accurately weighing 24 parts of metakaolin, 2 parts of alumina, 28 parts of water glass, 3.8 parts of sodium hydroxide, 16 parts of water and 2 parts of red pigment;
2) ultrasonically mixing water glass, water and sodium hydroxide for 1.5h to obtain an alkali activator;
2) and adding metakaolin, alumina and red pigment into the alkali activator which is kept stand for 24 hours, and stirring and mixing for 4.5 hours to obtain the inorganic building coating with the waterproof function.
The prepared inorganic building coating with the waterproof function is applied to a building structure, in the embodiment, taking a recycled brick as an example, the inorganic building coating with the waterproof function is coated on the recycled brick for the outer wall of a building, and the concrete steps are as follows:
and (3) coating or spraying the inorganic building coating with the waterproof function on the regenerated brick, standing for 6 days at normal temperature, and drying to obtain the regenerated brick with good waterproof property. Wherein, the recycled brick coated with the inorganic building coating with waterproof function of the embodiment is shown in fig. 3.
As can be seen from fig. 3, in this embodiment, the inorganic architectural coating with waterproof function on the recycled brick is pink, has a flat surface without brush marks, cracks, bubbles, and other defects, and has no obvious powder falling or falling phenomenon after washing.
Example 3
An inorganic building coating with a waterproof function is prepared by the following steps:
1) accurately weighing 48 parts of metakaolin, 3 parts of alumina, 42 parts of water glass, 6 parts of sodium hydroxide and 17 parts of water;
2) ultrasonically mixing water glass, water and sodium hydroxide for 2 hours to obtain an alkali activator;
2) and adding metakaolin and alumina into the alkali activator which is kept stand for 24 hours, and stirring and mixing for 5 hours to obtain the inorganic building coating with the waterproof function.
The prepared inorganic building coating with the waterproof function is applied to a building structure, in the embodiment, taking a recycled brick as an example, the inorganic building coating with the waterproof function is coated on the recycled brick for the outer wall of a building, and the concrete steps are as follows:
and (3) coating or spraying the inorganic building coating with the waterproof function on the regenerated brick, standing for 7 days at normal temperature, and drying to obtain the regenerated brick with good waterproof property. Wherein, the recycled brick coated with the inorganic building coating with waterproof function of the embodiment is shown in fig. 4.
As can be seen from fig. 4, in this embodiment, the inorganic building coating with waterproof function on the recycled brick is pure white, has a flat surface, and has no defects such as cracks and bubbles, and no obvious powder falling or falling phenomenon after washing.
Example 4
An inorganic building coating with a waterproof function is prepared by the following steps:
1) accurately weighing 42 parts of metakaolin, 2 parts of alumina, 40 parts of water glass, 4 parts of sodium hydroxide and 19 parts of water;
2) ultrasonically mixing water glass, water and sodium hydroxide for 1.5h to obtain an alkali activator;
2) and adding metakaolin and alumina into the alkali activator which is kept stand for 24 hours, and stirring and mixing for 4 hours to obtain the inorganic building coating with the waterproof function.
The prepared inorganic building coating with the waterproof function is applied to a building structure, in the embodiment, taking a recycled brick as an example, the inorganic building coating with the waterproof function is coated on the recycled brick for the outer wall of a building, and the concrete steps are as follows:
and (3) coating or spraying the inorganic building coating with the waterproof function on the regenerated brick, standing for 7 days at normal temperature, and drying to obtain the regenerated brick with good waterproof property. Wherein, the recycled brick coated with the inorganic building coating with waterproof function of the embodiment is shown in fig. 5.
As can be seen from fig. 5, in this embodiment, the inorganic building coating with waterproof function on the recycled brick is pure white, has a flat surface, and has no defects such as cracks and bubbles, and no obvious powder falling or falling phenomenon after washing.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The inorganic building coating with the waterproof function is characterized by comprising the following components in parts by weight: metakaolin: 34-45 parts of alumina: 1-4 parts of water glass: 25-33 parts of sodium hydroxide: 4-8 parts of water: 15-25 parts.
2. The inorganic architectural coating material with waterproof function according to claim 1, wherein the particle size of the metakaolin is 250 mesh or less, and the particle size of the alumina is 300 mesh or less.
3. The method for preparing the inorganic architectural coating material with waterproof function according to claim 1 or 2, characterized by comprising the steps of:
1) ultrasonically mixing the water glass, the water and the sodium hydroxide to obtain an alkali activator;
2) and adding the metakaolin and the alumina into the alkali activator which is kept stand for a period of time, and stirring and mixing to obtain the inorganic building coating with the waterproof function.
4. The method for preparing an inorganic architectural coating material with waterproof function according to claim 3, wherein the ultrasonic mixing in the step 1) is performed for an ultrasonic time of not less than 1 h.
5. The method for preparing an inorganic architectural coating material with waterproof function according to claim 3, wherein the standing time of the standing in the step 2) is 24 hours, and the stirring time of the stirring and mixing is not less than 4 hours.
6. Use of the inorganic architectural coating with waterproofing function according to claim 1 or 2 in architectural structures, characterized by comprising the steps of:
coating or spraying the inorganic building coating with the waterproof function on the outer wall of a building, standing at normal temperature for not less than 5 days, or curing at 40-60 ℃ for 3-5 days, and drying.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911396113.7A CN111056779A (en) | 2019-12-30 | 2019-12-30 | Inorganic building coating with waterproof function and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911396113.7A CN111056779A (en) | 2019-12-30 | 2019-12-30 | Inorganic building coating with waterproof function and preparation method and application thereof |
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| CN111056779A true CN111056779A (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225524A (en) * | 2020-10-22 | 2021-01-15 | 河南建博新材料科技有限公司 | Method for preparing waterproof material by using iron tailings and red mud |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910540A (en) * | 2014-04-08 | 2014-07-09 | 武汉工程大学 | High-strength ceramic cold glaze and preparation method thereof |
| CN104291741A (en) * | 2013-07-20 | 2015-01-21 | 吕孟龙 | Hydrophobic modified alkali-activated inorganic polymer coating restoration material |
| KR20150098114A (en) * | 2014-02-19 | 2015-08-27 | 칠성고분자주식회사 | Composition for Topcoating, Manufacturing Process thereof and Coating Process of Concrete Using the Same |
| CN106746968A (en) * | 2016-12-02 | 2017-05-31 | 武汉天意成再生资源股份有限公司 | A kind of super low energy consumption decoration coating materials for being applied to construction refuse regenerated product |
-
2019
- 2019-12-30 CN CN201911396113.7A patent/CN111056779A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291741A (en) * | 2013-07-20 | 2015-01-21 | 吕孟龙 | Hydrophobic modified alkali-activated inorganic polymer coating restoration material |
| KR20150098114A (en) * | 2014-02-19 | 2015-08-27 | 칠성고분자주식회사 | Composition for Topcoating, Manufacturing Process thereof and Coating Process of Concrete Using the Same |
| CN103910540A (en) * | 2014-04-08 | 2014-07-09 | 武汉工程大学 | High-strength ceramic cold glaze and preparation method thereof |
| CN106746968A (en) * | 2016-12-02 | 2017-05-31 | 武汉天意成再生资源股份有限公司 | A kind of super low energy consumption decoration coating materials for being applied to construction refuse regenerated product |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225524A (en) * | 2020-10-22 | 2021-01-15 | 河南建博新材料科技有限公司 | Method for preparing waterproof material by using iron tailings and red mud |
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Application publication date: 20200424 |
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