CN115895363A - Light odorless antibacterial sintered stone waterborne interior decoration coating and preparation method thereof - Google Patents
Light odorless antibacterial sintered stone waterborne interior decoration coating and preparation method thereof Download PDFInfo
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Abstract
A light odorless antibacterial sintered stone aqueous interior decoration coating and a preparation method thereof are disclosed, and the coating is prepared from the following raw materials in percentage by weight: the coating comprises odorless acrylic emulsion, water, a propylene glycol antifreezing agent, a film forming auxiliary agent, hydroxyethyl cellulose, a thickening agent, a wetting agent, a dispersing agent, a pH regulator, a defoaming agent, sintered colored sand, closed-cell perlite particles, hollow glass microspheres, a bactericide, a mildew preventive and a silver-zinc composite antibacterial agent. The invention improves the volume content and the coating rate of the finished coating product, and achieves the purposes of reducing the material consumption and reducing the material coating cost; meanwhile, the closed-cell perlite particles and the hollow glass microspheres have certain functions of heat insulation and humidity adjustment, so that the use requirements of users are met; the silver ion and zinc compound of the silver-zinc compound antibacterial agent can be automatically regulated and released according to the temperature and humidity of the surrounding environment, has an obvious high-efficiency antibacterial function, can remove various bacteria for a long time, and creates a clean, safe and healthy home environment for people and families.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a light odorless antibacterial sintered stone aqueous interior decoration coating and a preparation method thereof.
Background
The water-based interior decoration coating is the most commonly used material in decoration, in the water-based interior decoration coating, the coating rate is one of important parameters of the water-based interior decoration coating, and the theoretical coating rate of a coating product can facilitate the calculation of the using amount of the coating and the calculation of the construction cost. With the development of economic society, the requirement for the water-based interior decoration coating in daily life is also improved, particularly, the coating amount of the water-based interior decoration coating is higher, and although the water-based interior decoration coating is environment-friendly, the functions of purifying indoor air, such as sterilization and adjusting indoor temperature, are not provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a light odorless antibacterial sintered stone aqueous interior decoration coating and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a light odorless antibacterial sintered stone waterborne interior decoration coating is characterized in that: the composition is prepared from the following raw materials in percentage by weight: 12 to 15 percent of odorless acrylic emulsion, 10 to 35 percent of water, 0.5 to 1 percent of propylene glycol antifreezing agent, 0.4 to 1 percent of film forming additive, 0.3 to 0.6 percent of hydroxyethyl cellulose, 0.2 to 0.4 percent of thickening agent, 0.1 to 0.2 percent of wetting agent, 0.2 to 0.4 percent of dispersing agent, 0.05 to 0.15 percent of PH regulator, 0.20 to 0.4 percent of defoaming agent, 40 to 65.5 percent of sintered colored sand, 1 to 10 percent of closed-cell perlite particles, 1 to 4 percent of hollow glass microspheres, 0.1 to 0.25 percent of bactericide, 0.2 to 0.4 percent of mildew preventive and 0.3 to 0.8 percent of silver-zinc composite antibacterial agent.
In the present invention, the particle size of the hollow glass microspheres is between 150 to 250 um.
In the invention, the pH value regulator is a sodium hydroxide water solvent.
In the invention, the mildew preventive adopts aqueous dispersion of zinc pyrithione and iodopropynyl butyl carbamate.
A preparation method of a light odorless antibacterial sintered stone aqueous interior decoration coating is characterized by comprising the following steps: the method comprises the following steps:
step 1, adding part of water, propylene glycol antifreeze, hydroxyethyl cellulose and pH regulator into a stirring container of a stirrer, and starting the stirrer to stir uniformly to obtain a first basic solution;
step 2, adding the wetting agent, the dispersing agent and part of the defoaming agent into a stirring container of a stirrer, starting the stirrer, and uniformly stirring the wetting agent, the dispersing agent, the defoaming agent and the first basic solution to obtain a second basic solution;
step 3, adding the odorless water-based acrylic emulsion, the film-forming assistant, the silver-zinc composite antibacterial agent, the mildew preventive, the bactericide, the thickening agent, the remaining defoaming agent and water into a stirring container of a stirrer, starting the stirrer, uniformly stirring and mixing to form a base material of the light odorless antibacterial sintered stone water-based indoor decorative coating, and filtering the base material for later use;
and 4, putting the base material into a stirring container of a stirrer, adding the sintered sand under the stirring condition, adding the closed-cell perlite particles and the hollow glass microspheres into the stirring container of the stirrer after uniformly stirring, stirring in the stirrer until the mixture is uniform to obtain a finished coating, and packaging after the coating is tested to be qualified.
In the present invention, in step 1, the amount of water is 80 to 90% of the total formulation.
In the present invention, in step 4, all of the sintered sand is sieved through a 70 mesh screen.
In the present invention, in step 4, the sintered sand is divided into two parts, and the two parts of sintered sand are sieved through a 70-mesh sieve and a 90-mesh sieve, respectively.
In the present invention, in step 4, the closed cell perlite particles are screened through a 70-150 mesh screen.
The invention has the beneficial effects that: according to the invention, by adding the closed-cell perlite particles and the hollow glass microspheres and utilizing the low density of the two materials, namely the closed-cell perlite particles and the hollow glass microspheres, the volume content and the coating rate of a finished coating product are improved, and the purposes of reducing the material consumption and reducing the material coating cost are achieved; meanwhile, the closed-cell perlite particles and the hollow glass microspheres have certain functions of heat insulation and humidity adjustment, so that the use requirements of users are met; the silver ions and the zinc compound of the silver-zinc compound antibacterial agent are self-regulated in release level along with the temperature and humidity of the surrounding environment so as to effectively inhibit and kill microbial trophozoites and propagules such as bacteria, fungi and the like, the high-efficiency antibacterial function is remarkable, various bacteria can be removed in a long-acting manner, and a clean, safe and healthy home environment is created for people and families.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below.
Example 1
A light odorless antibacterial sintered stone waterborne interior decoration coating is prepared from the following raw materials in percentage by weight: 15% of odorless acrylic emulsion, 10% of water, 0.5% of propylene glycol antifreezing agent, 0.4% of film-forming additive, 0.35% of hydroxyethyl cellulose, 0.3% of thickening agent, 0.15% of wetting agent, 0.2% of dispersing agent, 0.15% of pH regulator, 0.2% of defoaming agent, 68% of sintered colored sand, 3% of closed-cell perlite particles, 1% of hollow glass microspheres, 0.25% of bactericide, 0.2% of mildew preventive and 0.3% of silver-zinc composite antibacterial agent, wherein the sum of the mass percentages of the components is 100%.
In a preferred embodiment, the pH regulator is a low-odor sodium hydroxide aqueous solution, such as a multifunctional adjuvant model AMP-95 or a multifunctional adjuvant model BS 168. The odorless acrylic emulsion is a Pasteur odorless acrylic emulsion or a Pasteur odorless acrylic emulsion, and the odorless acrylic emulsion provides the connection of the whole coating, so that the bonding strength, the adhesion and the water resistance of the coating are improved. The dispersant is a Gaotai P50 dispersant P50, a DISPERSAN5040 dispersant and a 731A dispersant. The humectant is a humectant commonly used in the art, such as a humectant of the LCN-407 type or a humectant of the BD-109 type. As the defoaming agent, a defoaming agent commonly used in the art is used, for example, a defoaming agent of Dispelair CF-246 type by Blacket, a defoaming agent of A-10 type by Pasteur or a defoaming agent of DF-691 type. The bactericide is a bactericide produced by Dow of America and having a model number of LX-300 or a bactericide produced by the Swiss Longsha group and having a model number of PROXEL XL 2. The mildew preventive adopts aqueous dispersion of zinc pyrithione and iodopropynyl butyl carbamate.
A preparation method of a light odorless antibacterial sintered stone aqueous interior decoration coating comprises the following steps:
step 1, adding part of water, propylene glycol antifreeze, hydroxyethyl cellulose and pH regulator into a stirring container of a stirrer, starting the stirrer to stir uniformly to obtain a first basic solution, wherein in the step, the amount of the water is 80-90% of the whole formula, in the step, the stirring speed is 600-800r/min, and the stirring time is 5-6 minutes;
step 2, adding the wetting agent, the dispersing agent and part of the defoaming agent into a stirring container of a stirrer, starting the stirrer, and uniformly stirring the wetting agent, the dispersing agent, the defoaming agent and the first basic solution to obtain a second basic solution, wherein in the step, the stirring speed is 600-800r/min, and the stirring time is 8-10 minutes;
step 3, adding the odorless water-based acrylic emulsion, the film-forming assistant, the silver-zinc composite antibacterial agent, the mildew preventive, the bactericide, the thickening agent, the remaining defoaming agent and water into a stirring container of a stirrer, starting the stirrer, uniformly stirring and mixing to form a base material of the light odorless antibacterial sintered stone water-based indoor decorative coating, and filtering the base material for later use, wherein in the step, the stirring speed is 600-650r/min, and the stirring time is 8-10 minutes;
step 4, putting the base material into a stirring container of a stirrer, slowly and sequentially adding sintering sand with different meshes and colors under the condition of stirring, adding the closed-cell perlite particles and the hollow glass microspheres into the stirring container of the stirrer after uniformly stirring, stirring uniformly in the stirrer to obtain a coating finished product, and packaging after testing is qualified, wherein in the step, the stirring speed is 350-450r/min, and the stirring time is 8-20 minutes;
in step 4, the sintered stone provides coating aggregate to cover the base material, all the sintered sand is sieved by a 70-mesh screen, or the sintered sand is divided into two parts, the two parts of sintered sand are respectively sieved by a 70-mesh screen and a 90-mesh screen, wherein the sintered sand sieved by the 70-mesh screen accounts for 75-85% of the whole formula, and the rest part of sintered sand is sieved by a 90-mesh screen, so that the sintered sand has different particle sizes, and the coating rate of the coating is improved; the sintered sand with different colors can enrich the color of the decorative coating, and the coating has rich and colorful colors.
In the step 4, the closed-cell perlite particles are sieved by a 70-150-mesh screen, and similarly, all the closed-cell perlite particles are sieved by a 70-mesh screen, or the closed-cell perlite particles are divided into two parts, the two parts of the closed-cell perlite particles are respectively sieved by a 70-mesh screen and a 150-mesh screen, wherein the closed-cell perlite particles sieved by the 70-mesh screen account for 80% of the whole formula, and the rest part of the closed-cell perlite particles are sieved by a 90-mesh screen, so that the closed-cell perlite particles have different and various granularities, and the coating rate of the coating is improved. In step 4, the particle size of the hollow glass microspheres is within 150-250 um. The closed-cell perlite particles and the hollow glass microspheres have small specific gravity, large unit weight volume and good filling, so that the specific gravity of the coating is reduced, the coating rate of the coating in unit weight is improved, the consumption of the coating is reduced, and a certain heat insulation effect is achieved.
The performance test results of this example are shown in table 1 below:
| serial number | Examination item | Standard requirements | Actual measurement result | Single item of conclusion |
| 1 | State in the container | No hard block, and uniform state after stirring | No hard block, and uniform state after stirring | Qualified |
| 2 | Smell(s) | No bad smell | No abnormality | Qualified |
| 3 | pH value | 8-9 | 8.3 | Qualified |
| 4 | Low temperature storage stability | 3 tests, no caking, agglomeration and composition change | No abnormality | Qualified |
| 5 | High temperature storage stability | After 1 month of the test, no caking, no mildew, no agglomeration and no change of the composition | No abnormality | Qualified |
| 6 | Initial crack resistance | Without cracks | Without cracks | Qualified |
| 7 | Time to surface dry | ≤4h | 2 | Qualified |
| 8 | Alkali resistance | No bulging and cracking after 48 hoursFlaking, allowing slight color change compared to non-soaked parts | No abnormality | Qualified |
| 9 | Adhesive strength (Standard) | ≥0.7MPa | No abnormality | Qualified |
| 10 | Impact resistance | The coating has no cracks, peeling and obvious deformation | No abnormality | Qualified |
| 11 | Flexibility | 50mm in diameter and free of cracks | Without cracks | Qualified |
TABLE 1
In the embodiment, the sintered color sand with different colors and different mesh numbers is added into the base material, and after the mixture is uniformly stirred, a proper amount of closed-cell perlite particles and hollow glass microspheres which are similar to the sintered color sand are added, so that the volume of a finished product is increased, the aim of increasing the coating rate of the finished product is fulfilled, and the coating rate of the coating is increased by more than 30% compared with that of a common sintered stone water indoor decorative coating.
Example 2
This example is substantially the same as the embodiment of example 1, except that: a light odorless antibacterial sintered stone waterborne interior decoration coating is prepared from the following raw materials in percentage by weight: 15% of odorless acrylic emulsion, 35% of water, 0.5% of propylene glycol antifreezing agent, 0.4% of film-forming additive, 0.3% of hydroxyethyl cellulose, 0.2% of thickening agent, 0.2% of wetting agent, 0.2% of dispersing agent, 0.05% of pH regulator, 0.2% of defoaming agent, 40% of sintered colored sand, 3% of closed-cell perlite particles, 4% of hollow glass microspheres, 0.25% of bactericide, 0.3% of mildew preventive and 0.4% of silver-zinc composite antibacterial agent, wherein the sum of the mass percentages of the components is 100%.
The performance test results of this example are shown in table 2 below:
| serial number | Examination item | Standard requirements | Actual measurement result | Single item of conclusion |
| 1 | State in the container | No hard block, and uniform state after stirring | No hard block, and uniform state after stirring | Qualified |
| 2 | Smell(s) | No bad smell | No abnormality | Qualified |
| 3 | pH value of | 8-9 | 8.4 | Qualified |
| 4 | Low temperature storage stability | 3 times of test, no caking, agglomeration and composition change | No abnormality | Qualified |
| 5 | High temperature storage stability | After 1 month of the test, no caking, no mildew, no agglomeration and no change of the composition | No abnormality | Qualified |
| 6 | Initial crack resistance | Without cracks | Without cracks | Qualified |
| 7 | Open time | ≤4h | 2 | Qualified |
| 8 | Alkali resistance | No bulging, cracking, peeling after 48h, and slight color change in comparison with the non-soaked part | No abnormality | Qualified |
| 9 | Adhesive strength (Standard) | ≥0.7MPa | No abnormality | Qualified |
| 10 | Impact resistance | The coating has no cracks, peeling and obvious deformation | No abnormality | Qualified |
| 11 | Flexibility of the film | 50mm in diameter and free of cracks | Without cracks | Qualified |
TABLE 2
Example 3
This example is substantially the same as the embodiment of example 1, except that: a light odorless antibacterial sintered stone waterborne interior decoration coating is prepared from the following raw materials in percentage by weight: 12% of odorless acrylic emulsion, 25% of water, 1% of propylene glycol antifreezing agent, 1% of film forming additive, 0.6% of hydroxyethyl cellulose, 0.4% of thickening agent, 0.2% of wetting agent, 0.4% of dispersing agent, 0.15% of pH regulator, 0.4% of defoaming agent, 43.55% of sintered colored sand, 10% of closed-cell perlite particles, 4% of hollow glass microspheres, 0.1% of bactericide, 0.4% of mildew preventive and 0.8% of silver-zinc composite antibacterial agent, wherein the sum of the mass percentages of the components is 100%.
The performance test results of this example are shown in table 3 below:
| serial number | Examination item | Standard requirements | Measured result | Single item of conclusion |
| 1 | State in the container | No hard block, and uniform state after stirring | No hard block, and uniform state after stirring | Qualified |
| 2 | Smell(s) | No bad smell | No abnormality | Qualified |
| 3 | pH value of | 8-9 | 8.1 | Qualified |
| 4 | Low temperature storage stability | 3 tests, no caking, agglomeration and composition change | No abnormality | Qualified |
| 5 | High temperature storage stability | After 1 month test, no caking, no mildew, no agglomeration and no change in composition | No abnormality | Qualified |
| 6 | Initial crack resistance | Without cracks | Without cracks | Qualified |
| 7 | Time to surface dry | ≤4h | 2.3 | Qualified |
| 8 | Alkali resistance | No bulging, cracking and peeling after 48h, and slight color change is allowed compared with the non-soaked part | No abnormality | Qualified |
| 9 | Adhesive strength (Standard) | ≥0.7MPa | No abnormality | Qualified |
| 10 | Impact resistance | The coating has no cracks, peeling and obvious deformation | No abnormality | Qualified |
| 11 | Flexibility | 50mm in diameter and free of cracks | Without cracks | Qualified |
TABLE 3
The above description is only a preferred embodiment of the present invention, and all technical solutions that can achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.
Claims (9)
1. A light odorless antibacterial sintered stone waterborne interior decoration coating is characterized in that: the composite material is prepared from the following raw materials in percentage by weight: 12 to 15 percent of odorless acrylic emulsion, 10 to 35 percent of water, 0.5 to 1 percent of propylene glycol antifreezing agent, 0.4 to 1 percent of film forming additive, 0.3 to 0.6 percent of hydroxyethyl cellulose, 0.2 to 0.4 percent of thickening agent, 0.1 to 0.2 percent of wetting agent, 0.2 to 0.4 percent of dispersing agent, 0.05 to 0.15 percent of PH regulator, 0.20 to 0.4 percent of defoaming agent, 40 to 65.5 percent of sintered colored sand, 1 to 10 percent of closed-cell perlite particles, 1 to 4 percent of hollow glass microspheres, 0.1 to 0.25 percent of bactericide, 0.2 to 0.4 percent of mildew preventive and 0.3 to 0.8 percent of silver-zinc composite antibacterial agent.
2. The lightweight odorless antibacterial sintered stone water-based interior decoration coating as claimed in claim 1, wherein: the particle size of the hollow glass microspheres is between 150 and 250 um.
3. The lightweight odorless antibacterial sintered stone water-based interior decoration coating as claimed in claim 1, wherein: the pH value regulator is a sodium hydroxide water solvent.
4. The light odorless antibacterial sintered stone aqueous interior decoration coating as claimed in claim 1, which is characterized in that: the mildew preventive adopts aqueous dispersion of zinc pyrithione and iodopropynyl butyl carbamate.
5. A preparation method of a light odorless antibacterial sintered stone aqueous interior decoration coating is characterized by comprising the following steps: the method comprises the following steps:
step 1, adding part of water, propylene glycol antifreeze, hydroxyethyl cellulose and pH regulator into a stirring container of a stirrer, and starting the stirrer to stir uniformly to obtain a first basic solution;
step 2, adding the wetting agent, the dispersing agent and part of the defoaming agent into a stirring container of a stirrer, starting the stirrer, and uniformly stirring the wetting agent, the dispersing agent, the defoaming agent and the first basic solution to obtain a second basic solution;
step 3, adding the odorless waterborne acrylic emulsion, the film-forming assistant, the silver-zinc composite antibacterial agent, the mildew preventive, the bactericide, the thickening agent, the remaining defoamer and water into a stirring container of a stirrer, starting the stirrer, uniformly stirring and mixing to obtain a base material of the light odorless antibacterial sintered stone waterborne interior decoration coating, and filtering the base material for later use;
and 4, putting the base material into a stirring container of a stirrer, adding the sintered sand under the stirring condition, adding the closed-cell perlite particles and the hollow glass microspheres into the stirring container of the stirrer after uniformly stirring, stirring in the stirrer until the mixture is uniform to obtain a finished coating, and packaging after the coating is tested to be qualified.
6. The preparation method of the light, odorless and antibacterial sintered stone water-based interior decoration coating as claimed in claim 5, wherein the preparation method comprises the following steps: in step 1, the amount of water is 80-90% of the total formulation.
7. The method for preparing the light, odorless and antibacterial sintered stone aqueous interior decoration coating according to claim 5, is characterized in that: in step 4, all of the sintered sand was screened through a 70 mesh screen.
8. The preparation method of the light, odorless and antibacterial sintered stone water-based interior decoration coating as claimed in claim 5, wherein the preparation method comprises the following steps: in step 4, the sintered sand is divided into two parts, and the two parts of sintered sand are respectively sieved by a 70-mesh sieve and a 90-mesh sieve.
9. The method for preparing the light, odorless and antibacterial sintered stone aqueous interior decoration coating according to claim 5, is characterized in that: in step 4, the closed-cell perlite particles are screened through a 70-150 mesh screen.
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Cited By (1)
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| CN116478586A (en) * | 2023-05-27 | 2023-07-25 | 广东顺德涂工匠建材有限公司 | Skin-feel superfine calcined stone composite coating interior decoration coating |
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