CN114292533A - Environment-friendly antibacterial mildew-proof fireproof light sand art water paint and preparation method thereof - Google Patents
Environment-friendly antibacterial mildew-proof fireproof light sand art water paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an environment-friendly antibacterial mildew-proof fireproof light sand art water paint and a preparation method thereof, belonging to the technical field of building coatings and comprising the following components in parts by weight: 4-6 parts of deionized water, 0.1-0.3 part of kaempferol, 0.2-0.4 part of hydroxyethyl cellulose, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silica, 1-3 parts of modified potassium silicate, 70-85 parts of light calcined colored sand, 2-7 parts of vermiculite, 0.5-2 parts of sericite, 2-5 parts of a smell-removing emulsion and 0.1-0.2 part of a smell-removing film-forming assistant. The invention is low-carbon, green and environment-friendly, and further improves the functionality and the environment-friendly performance of the functional coating, so that the cost performance of the emulsion paint is greatly improved, and further powerful guarantee is provided for the life safety, the health and the epidemic prevention of human beings.
Description
Technical Field
The invention relates to an environment-friendly antibacterial mildew-proof fireproof light sand art water paint and a preparation method thereof, belonging to the technical field of building coatings.
Background
The traditional sand art paints such as real stone paint, texture paint and the like increase the dead weight of the wall body due to the large specific gravity of sand and the large consumption of the sand in unit area, and particularly the risk coefficient is increased along with the decoration of the wall body of a heat insulation system; the traditional interior and exterior wall paint adopts film-forming materials such as high molecular organic polymers, emulsion or solvent type resins and other flammable materials, which brings hidden danger to the fire-proof safety of buildings; another characteristic of the traditional interior and exterior wall coatings is that bacteria and mildew can grow in a humid environment for a long time, and a habitat and a propagation source of viruses are formed.
Disclosure of Invention
The invention mainly aims to solve the defects that the existing wall paint is heavy in weight and flammable and bacteria are bred in the long-term use process, and provides the environment-friendly antibacterial mildew-proof fireproof light sand water paint and the preparation method thereof.
The purpose of the invention can be achieved by adopting the following technical scheme:
the environment-friendly antibacterial mildew-proof fireproof light sand art water paint comprises the following components in parts by weight: 4-6 parts of deionized water, 0.1-0.3 part of kaempferol, 0.2-0.4 part of hydroxyethyl cellulose, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silica, 1-3 parts of modified potassium silicate, 70-85 parts of light calcined colored sand, 2-7 parts of vermiculite, 0.5-2 parts of sericite, 2-5 parts of a smell-removing emulsion and 0.1-0.2 part of a smell-removing film-forming assistant.
Preferably, the composition comprises the following components in parts by weight: 4.2-6 parts of deionized water, 0.13-0.3 part of kaempferol, 0.23-0.4 part of hydroxyethyl cellulose, 0.12-0.3 part of magnesium aluminum silicate, 7.3-10 parts of modified nano colloidal silica, 1.2-3 parts of modified potassium silicate, 70.5-85 parts of light calcined colored sand, 2.1-7 parts of vermiculite, 0.58-2 parts of sericite, 2.1-5 parts of a smell-less emulsion and 0.14-0.2 part of a smell-less film-forming assistant.
Preferably, the composition comprises the following components in parts by weight: 4-5.8 parts of deionized water, 0.1-0.27 part of kaempferol, 0.2-0.37 part of hydroxyethyl cellulose, 0.1-0.26 part of magnesium aluminum silicate, 7-9.3 parts of modified nano colloidal silica, 1-2.95 parts of modified potassium silicate, 70-84.2 parts of light calcined colored sand, 2-6.5 parts of vermiculite, 0.5-1.18 parts of sericite, 2-4.94 parts of odor-free emulsion and 0.1-0.18 part of odor-free film forming auxiliary agent.
Preferably, the hydroxyethyl cellulose is selected from hydroxyethyl cellulose 100000H and hydroxyethyl cellulose 30000H.
Preferably, the weight parts of the hydroxyethyl cellulose 100000H and the hydroxyethyl cellulose 30000H are 0.1-0.2 part of hydroxyethyl cellulose 100000H and 0.1-0.2 part of hydroxyethyl cellulose 30000H respectively.
Preferably, the particle size of the light calcined color sand is 20-80 meshes, the particle size of the vermiculite is 20-60 meshes, and the particle size of the sericite is 10-30 meshes.
A preparation method of environment-friendly antibacterial mildew-proof fireproof light sand art water paint comprises the following steps of:
step 1: firstly, adding deionized water into a small dispersing container, starting a dispersing machine, and sequentially adding 0.1-0.3 part of kaempferol, 0.2-0.4 part of hydroxyethyl cellulose, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silicon dioxide, 1-3 parts of modified potassium silicate, 2-5 parts of odorless emulsion and 0.1-0.2 part of odorless film-forming auxiliary agent;
step 2: after the materials are added, the dispersion machine is accelerated and dispersed for 45-60 min;
and step 3: reducing the speed of a dispersion machine, adding 70-85 parts of light calcined color sand, 2-7 parts of vermiculite and 0.5-2 parts of sericite, uniformly stirring, and discharging to obtain a finished product.
Preferably, in the step 1, the weight part of the added deionized water is 4-6 parts.
Preferably, in step 1, hydroxyethyl cellulose is selected from hydroxyethyl cellulose 100000H and hydroxyethyl cellulose 30000H, and the weight parts of the hydroxyethyl cellulose 100000H and the hydroxyethyl cellulose 30000H are both 0.1-0.2 part.
The invention has the beneficial technical effects that: according to the environment-friendly antibacterial mildew-proof fireproof lightweight sand art water paint and the preparation method thereof, the potential risk brought to a heat preservation system by the self-weight of the wall paint is fundamentally solved; the fireproof material is developed by adopting an inorganic nano flame-retardant composite material, the fireproof performance reaches the A-grade flame-retardant effect, and the problem of fire-proof hidden danger is fundamentally solved; the emulsion paint is developed by adopting inorganic materials, so that the problem that the content of harmful substances such as VOC (volatile organic compounds), formaldehyde and the like exceeds the standard for a long time is solved, the emulsion paint is low-carbon, green and environment-friendly, and the functionality and the environment-friendly performance of the functional coating are further improved, so that the cost performance of the emulsion paint is greatly improved, and further, the emulsion paint provides powerful guarantee for the life safety, health and epidemic prevention of human beings.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.
The environment-friendly antibacterial mildew-proof fireproof light sand art water paint provided by the embodiment comprises the following components in parts by weight: 4-6 parts of deionized water, 0.1-0.3 part of kaempferon, 0.1-0.2 part of hydroxyethyl cellulose 100000H, 0.1-0.2 part of hydroxyethyl cellulose 30000H, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silica, 1-3 parts of modified potassium silicate, 70-85 parts of light calcined colored sand, 2-7 parts of vermiculite, 0.5-2 parts of sericite, 2-5 parts of a odorless emulsion and 0.1-0.2 part of an odorless film forming aid.
The preparation method of the environment-friendly antibacterial mildew-proof fireproof lightweight sand art water paint provided by the embodiment comprises the following steps of, by weight, 100 parts:
step 1: firstly, adding deionized water into a small dispersing container, starting a dispersing machine, setting the speed to be 350-450 r/min, sequentially adding 0.1-0.3 part of kaempferol, 0.1-0.2 part of hydroxyethyl cellulose 100000H, 0.1-0.2 part of hydroxyethyl cellulose 30000H, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silica, 1-3 parts of modified potassium silicate, 2-5 parts of odorless emulsion and 0.1-0.2 part of odorless film-forming assistant;
step 2: after the materials are added, adjusting the speed of a dispersion machine to 400-500 r/min, and dispersing for 45-60 min;
and step 3: reducing the speed of a dispersion machine to 300r/min, adding 70-85 parts of light calcined colored sand with the particle size of 20-80 meshes, 2-7 parts of vermiculite with the particle size of 20-60 meshes and 0.5-2 parts of sericite with the particle size of 10-30 meshes, stirring for 18-21 min, and discharging to obtain a finished product.
Example 1:
the environment-friendly antibacterial, mildewproof and fireproof light sand art water paint provided by the embodiment 1 comprises the following components in parts by weight: 4 parts of deionized water, 0.1 part of kaempferol, 0.2-0.4 part of hydroxyethyl cellulose, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silica, 1-3 parts of modified potassium silicate, 70-85 parts of light calcined colored sand, 2-7 parts of vermiculite, 0.5-2 parts of sericite, 2-5 parts of odor-free emulsion and 0.1-0.2 part of odor-free film forming aid.
Example 2:
the environment-friendly antibacterial, mildewproof and fireproof light sand art water paint provided by the embodiment 2 comprises the following components in parts by weight: 6 parts of deionized water, 0.3 part of kaempferol, 0.4 part of hydroxyethyl cellulose, 0.3 part of magnesium aluminum silicate, 10 parts of modified nano colloidal silica, 3 parts of modified potassium silicate, 85 parts of light calcined colored sand, 7 parts of vermiculite, 2 parts of sericite, 5 parts of odor-free emulsion and 0.2 part of odor-free film-forming assistant.
The detection results of the samples of examples 1 to 2 are as follows:
table 1 results of antibacterial testing:
table 2 detection results of aqueous wall coating:
table 3 water-based wall paint combustion performance test results:
the modified nano colloidal silicon dioxide is a colloidal solution with slight blue opalescence, has larger specific surface area, stronger adsorbability and negatively charged hydroxyl, is gathered in a siloxane mode, can form a transparent layer and is not dissolved in water any more; the modified potassium silicate mineral building coating is low-carbon, difficult to burn or non-combustible, energy-saving, resource-saving, pollution-free and good in economical efficiency. The siloxane bond is combined with an inorganic base layer through chemical reaction to form a strong siloxane bond, and has extremely unique advantages. The crust is almost composed of stones, silicates and silica, where the combination of oxygen and silicon is the siloxane bond. The potassium silicate mineral paint is used for coating our buildings, and is integrated with the base layer, is not easy to fall off, and is mutually consistent with the natural appearance and harmonious with each other.
In summary, in the above embodiments, according to the environment-friendly antibacterial, mildewproof, and fireproof lightweight sand-based water paint and the preparation method of the embodiments, water is used as a solvent and a dispersion medium, modified nano colloidal silica, potassium silicate, and the like are used as film-forming substances, inorganic mineral substances such as lightweight calcined colored sand, mica, and the like are used as main components of the product, various auxiliary green environment-friendly auxiliaries are added, and the environment-friendly, mildewproof, fireproof, heat-preserving, sound-insulating, noise-reducing, bacteriostatic, mildewproof, low-carbon, environment-friendly, and safe characteristics are obtained through a series of process steps according to a proper component ratio.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (9)
1. The environment-friendly antibacterial mildew-proof fireproof light sand art water paint is characterized by comprising the following components in parts by weight: 4-6 parts of deionized water, 0.1-0.3 part of kaempferol, 0.2-0.4 part of hydroxyethyl cellulose, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silica, 1-3 parts of modified potassium silicate, 70-85 parts of light calcined colored sand, 2-7 parts of vermiculite, 0.5-2 parts of sericite, 2-5 parts of a smell-removing emulsion and 0.1-0.2 part of a smell-removing film-forming assistant.
2. The environment-friendly antibacterial mildew-proof fireproof lightweight sand art water paint as claimed in claim 1, is characterized by comprising the following components in parts by weight: 4.2-6 parts of deionized water, 0.13-0.3 part of kaempferol, 0.23-0.4 part of hydroxyethyl cellulose, 0.12-0.3 part of magnesium aluminum silicate, 7.3-10 parts of modified nano colloidal silica, 1.2-3 parts of modified potassium silicate, 70.5-85 parts of light calcined colored sand, 2.1-7 parts of vermiculite, 0.58-2 parts of sericite, 2.1-5 parts of a smell-less emulsion and 0.14-0.2 part of a smell-less film-forming assistant.
3. The environment-friendly antibacterial mildew-proof fireproof lightweight sand art water paint as claimed in claim 1, is characterized by comprising the following components in parts by weight: 4-5.8 parts of deionized water, 0.1-0.27 part of kaempferol, 0.2-0.37 part of hydroxyethyl cellulose, 0.1-0.26 part of magnesium aluminum silicate, 7-9.3 parts of modified nano colloidal silica, 1-2.95 parts of modified potassium silicate, 70-84.2 parts of light calcined colored sand, 2-6.5 parts of vermiculite, 0.5-1.18 parts of sericite, 2-4.94 parts of odor-free emulsion and 0.1-0.18 part of odor-free film forming auxiliary agent.
4. The environment-friendly antibacterial, mildewproof and fireproof lightweight sand-art water paint as claimed in claim 1, wherein the hydroxyethyl cellulose is selected from hydroxyethyl cellulose 100000H and hydroxyethyl cellulose 30000H.
5. The environment-friendly antibacterial, mildewproof and fireproof lightweight sand-art water paint as claimed in claim 4, wherein the weight parts of the hydroxyethyl cellulose 100000H and the hydroxyethyl cellulose 30000H are 100000H 0.1-0.2 parts of hydroxyethyl cellulose and 30000H 0.1-0.2 parts of hydroxyethyl cellulose respectively.
6. The environment-friendly antibacterial mildew-proof fireproof light sand art water paint as claimed in claim 1, wherein the particle size of the light calcined color sand is 20-80 meshes, the particle size of the vermiculite is 20-60 meshes, and the particle size of the sericite is 10-30 meshes.
7. The preparation method of the environment-friendly antibacterial, mildewproof and fireproof lightweight sand art water paint according to any one of claims 1 to 6, which is characterized by comprising the following steps in parts by weight:
step 1: firstly, adding deionized water into a small dispersing container, starting a dispersing machine, and sequentially adding 0.1-0.3 part of kaempferol, 0.2-0.4 part of hydroxyethyl cellulose, 0.1-0.3 part of magnesium aluminum silicate, 7-10 parts of modified nano colloidal silicon dioxide, 1-3 parts of modified potassium silicate, 2-5 parts of odorless emulsion and 0.1-0.2 part of odorless film-forming auxiliary agent;
step 2: after the materials are added, the dispersion machine is accelerated and dispersed for 45-60 min;
and step 3: reducing the speed of a dispersion machine, adding 70-85 parts of light calcined color sand, 2-7 parts of vermiculite and 0.5-2 parts of sericite, uniformly stirring, and discharging to obtain a finished product.
8. The preparation method of the environment-friendly antibacterial, mildewproof and fireproof lightweight sand art water paint as claimed in claim 7, wherein in the step 1, the weight part of the added deionized water is 4-6 parts.
9. The preparation method of the environment-friendly antibacterial, mildewproof and fireproof lightweight sand art water paint as claimed in claim 7, wherein in step 1, hydroxyethyl cellulose is selected from hydroxyethyl cellulose 100000H and hydroxyethyl cellulose 30000H, and the weight parts of the hydroxyethyl cellulose 100000H and the hydroxyethyl cellulose 30000H are both 0.1-0.2 parts.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115073943A (en) * | 2022-06-08 | 2022-09-20 | 石家庄星海高科非金属矿业材料有限责任公司 | Superfine powder inorganic artistic coating, preparation method and construction method thereof |
| CN115895363A (en) * | 2022-11-30 | 2023-04-04 | 佛山市顺德区简得建材有限公司 | Light odorless antibacterial sintered stone waterborne interior decoration coating and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073107A (en) * | 2014-07-21 | 2014-10-01 | 湖州三利漆业有限公司 | Textured paint |
| CN105111856A (en) * | 2015-09-16 | 2015-12-02 | 三棵树涂料股份有限公司 | Environment-friendly interior wall stone imitation paint and preparation method thereof |
| CN106147478A (en) * | 2016-07-04 | 2016-11-23 | 黄作鹏 | A kind of heat-insulation and heat-preservation stone similar paint for exterior wall and preparation method thereof |
| CN109082183A (en) * | 2018-07-13 | 2018-12-25 | 苏州大乘环保新材有限公司 | A kind of reflection-type lightweight water burnt-in sand is colorful and preparation method thereof |
| CN113004733A (en) * | 2021-03-04 | 2021-06-22 | 纽沃得复合建材（上海）有限公司 | Antibacterial, mildewproof and flame-retardant silicate interior wall coating and preparation method thereof |
| CN113088111A (en) * | 2021-04-30 | 2021-07-09 | 东莞大宝化工制品有限公司 | Real stone texture coating with potassium silicate as main film forming substance and preparation method thereof |
| KR102294159B1 (en) * | 2021-01-20 | 2021-08-25 | 박현주 | Watersoluble Fire Proof Paint for Coating |
| CN113502078A (en) * | 2021-07-01 | 2021-10-15 | 德爱威（中国）有限公司 | Environment-friendly fireproof inorganic interior wall coating and preparation method thereof |
-
2021
- 2021-12-18 CN CN202111556653.4A patent/CN114292533A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073107A (en) * | 2014-07-21 | 2014-10-01 | 湖州三利漆业有限公司 | Textured paint |
| CN105111856A (en) * | 2015-09-16 | 2015-12-02 | 三棵树涂料股份有限公司 | Environment-friendly interior wall stone imitation paint and preparation method thereof |
| CN106147478A (en) * | 2016-07-04 | 2016-11-23 | 黄作鹏 | A kind of heat-insulation and heat-preservation stone similar paint for exterior wall and preparation method thereof |
| CN109082183A (en) * | 2018-07-13 | 2018-12-25 | 苏州大乘环保新材有限公司 | A kind of reflection-type lightweight water burnt-in sand is colorful and preparation method thereof |
| KR102294159B1 (en) * | 2021-01-20 | 2021-08-25 | 박현주 | Watersoluble Fire Proof Paint for Coating |
| CN113004733A (en) * | 2021-03-04 | 2021-06-22 | 纽沃得复合建材（上海）有限公司 | Antibacterial, mildewproof and flame-retardant silicate interior wall coating and preparation method thereof |
| CN113088111A (en) * | 2021-04-30 | 2021-07-09 | 东莞大宝化工制品有限公司 | Real stone texture coating with potassium silicate as main film forming substance and preparation method thereof |
| CN113502078A (en) * | 2021-07-01 | 2021-10-15 | 德爱威（中国）有限公司 | Environment-friendly fireproof inorganic interior wall coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 苑晴峦: "新型建筑装饰材料——无机高分子涂料", 《建筑知识》, no. 06, 31 December 1983 (1983-12-31), pages 10 - 11 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115073943A (en) * | 2022-06-08 | 2022-09-20 | 石家庄星海高科非金属矿业材料有限责任公司 | Superfine powder inorganic artistic coating, preparation method and construction method thereof |
| CN115895363A (en) * | 2022-11-30 | 2023-04-04 | 佛山市顺德区简得建材有限公司 | Light odorless antibacterial sintered stone waterborne interior decoration coating and preparation method thereof |
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