CN216998237U - A kind of sterilization and formaldehyde-removing building interior wall relief coating - Google Patents

Abstract

The utility model discloses a sterilizing formaldehyde-removing building interior wall relief coating which sequentially comprises the following structures from inside to outside: the coating comprises a base layer, a putty layer, a primer layer, a relief layer, a nano-silver antibacterial layer, a bamboo charcoal coating, a diatom ooze layer and a photocatalyst titanium dioxide coating. According to the utility model, the double formaldehyde adsorption effect of the bamboo charcoal coating and the diatom ooze layer is adopted, the high-efficiency oxidative decomposition of harmful gases such as formaldehyde and benzene by photocatalyst titanium dioxide is matched, and the sterilization effect of nano-silver is assisted, so that the relief structure is more attractive, the contact area is increased to a greater extent, the sterilization and formaldehyde removal effects are improved, the bacteriostasis rate of the coating reaches more than 95%, and the harmful gas removal rate reaches more than 85%.

Description

A kind of sterilization and formaldehyde-removing building interior wall relief coating

technical field

The utility model belongs to the technical field of building interior wall coatings, in particular to a sterilization and formaldehyde-removing building interior wall relief coating.

Background technique

Art paint originated in Europe, and advanced craftsmanship also spread from Europe. After entering the domestic market, it is very popular and respected by people for its novel decorative style and unusual decorative effect. Art paint is a new type of wall decoration art paint. Coupled with modern high-tech processing technology, the product is non-toxic and environmentally friendly. At the same time, it also has the functions of waterproof, dust-proof and flame retardant. Strong adsorption, the color lasts forever.

Embossed paint is a series of art paints, and embossed paint decorative coating is a colorful wall coating material with realistic three-dimensional texture. The decorated wall looks like a relief-like three-dimensional effect, so it is called the relief effect.

Studies have shown that many home decoration materials slowly release small molecular harmful substances such as aldehydes, phenols, alcohols, etc., which are easy to cause damage to human health. In addition, with the increasing industrialization and urbanization of human society, urban air pollution is becoming more and more serious. For example, a large amount of harmful gases such as sulfur dioxide, carbon monoxide, and low-valence nitrogen compounds emitted by industrial coal combustion and automobile exhaust make people live Air pollution in the environment is becoming more and more serious. In addition, investigations and studies have confirmed that indoor microbial contamination is one of the main causes of various poisoning, infection, allergic diseases and infectious diseases. It can be seen that the research and development of a kind of all-round, quick-acting, and easy-to-operate air purification materials has become a top priority.

Utility model content

In view of the above deficiencies in the prior art, the purpose of this utility model is to provide a sterilization and formaldehyde-removing building interior wall relief coating, which adopts the double adsorption formaldehyde effect of the bamboo charcoal coating and the diatom mud layer, and cooperates with photocatalyst titanium dioxide to formaldehyde, benzene, etc. High-efficiency oxidation and decomposition of harmful gases, supplemented by the sterilization effect of nano-silver, the relief structure is not only more beautiful, but also increases the contact area to a greater extent, and improves the effect of sterilization and formaldehyde removal.

To achieve the above goals, the technical solutions adopted are:

A sterilization and formaldehyde-removing building interior wall relief coating is composed of the following structures from inside to outside: a base layer, a putty layer, a primer layer, a relief layer, a nano-silver antibacterial layer, a bamboo charcoal coating, a diatom mud layer, and a photocatalyst Titanium dioxide coating.

Further, the thickness of the putty layer is 0.5-3 mm.

Further, the primer layer is a styrene-acrylic emulsion with a thickness of 0.01-0.05 mm.

The beneficial effect of adopting the above-mentioned further technical scheme is that the styrene-acrylic emulsion, as the primer layer, not only has the functions of anti-alkali and anti-mildew, but also can improve the adhesion effect of the internal putty layer and the external coating.

Further, the thickness of the bamboo charcoal coating is 0.15-0.25 mm, and the diatom mud layer is coated with diatom mud with a thickness of 0.15-0.35 mm.

The beneficial effect of adopting the above-mentioned further technical scheme is that: both the bamboo charcoal coating and the diatom mud layer have an excellent effect of adsorbing harmful gases such as formaldehyde, and the superposition of the two can produce an effect of adsorbing formaldehyde.

Further, the nano-silver antibacterial layer is sprayed with nano-silver solution, the thickness of the nano-silver antibacterial layer is 0.01-0.03 mm, and the content of nano-silver per square meter is more than 5 grams.

The beneficial effect of adopting the above-mentioned further technical scheme is that the nano-silver antibacterial layer can continuously and effectively kill the bacteria of the coating, and improve the service life of the coating.

Further, the photocatalyst titanium dioxide coating is a nano-titanium dioxide coating with a thickness of 0.1-0.3 mm, and a particle size of the nano-titanium dioxide is 2-10 nm.

The beneficial effects of adopting the above-mentioned further technical solutions are: because the photocatalyst titanium dioxide can effectively degrade toxic and harmful gases such as formaldehyde, and purify the air efficiently; Harmful treatment. Therefore, in the present utility model, the photocatalyst titanium dioxide layer can degrade toxic and harmful gases such as formaldehyde in the air and adsorbed by the inner bamboo charcoal coating and the diatom mud layer, and at the same time, further strengthen the bactericidal effect of the nano-silver antibacterial layer.

Further, the embossed layer is a three-dimensional wall coating material, and the embossed layer is not only more beautiful, but also increases the contact area to a greater extent, and improves the effect of sterilizing and removing formaldehyde.

Compared with the prior art, the beneficial effects of the present utility model are:

Using the dual adsorption of formaldehyde by the bamboo charcoal coating and the diatom mud layer, combined with the efficient oxidation and decomposition of photocatalyst titanium dioxide to formaldehyde, benzene and other harmful gases, and supplemented by the bactericidal effect of nano-silver, the relief structure is not only more beautiful, but also to a greater extent. The contact area is increased, the effect of sterilization and formaldehyde removal is improved, and an interior wall relief coating with excellent sterilization and formaldehyde removal effect is prepared. %above.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Among them, 1, base layer; 2, putty layer; 3, primer layer; 4, relief layer; 5, nano silver antibacterial layer; 6, bamboo charcoal coating; 7, diatom mud layer; 8, photocatalyst titanium dioxide coating.

Detailed ways

The present utility model will be described below with reference to examples, and the examples are only used to explain the present utility model, and are not intended to limit the scope of the present utility model.

The meaning of "inside and outside" in this utility model refers to the direction pointing to the inside of the product relative to the product itself, and vice versa, outside, rather than a specific limitation on the product structure of the present utility model.

Example 1

A sterilization and formaldehyde-removing environment-friendly embossed interior wall coating is composed of the following structures from inside to outside: a base layer 1, a putty layer 2, a primer layer 3, an embossed layer 4, a nano-silver antibacterial layer 5, and a bamboo charcoal coating 6, Diatom mud layer 7, photocatalyst titanium dioxide coating 8.

Wherein, the base layer 1 is not particularly limited, and is preferably interior wall concrete, and the base layer 1 needs to be cleaned before spraying the putty layer 2 . The thickness of the putty layer 2 is 0.5mm; the primer layer 3 is a styrene-acrylic emulsion, which has the effect of anti-alkali and mildew resistance, and the thickness is 0.01mm; the thickness of the nano-silver antibacterial layer 5 is 0.01mm, and the bamboo charcoal coating The thickness of the layer 6 is 0.15mm, the thickness of the diatom mud layer 7 is 0.15mm; the photocatalyst titanium dioxide coating 8 is a nano titanium dioxide coating with a thickness of 0.1 mm, and the particle size of the nano titanium dioxide is 2 nm.

Example 2

A sterilization and formaldehyde-removing environment-friendly embossed interior wall coating is composed of the following structures from inside to outside: a base layer 1, a putty layer 2, a primer layer 3, an embossed layer 4, a nano-silver antibacterial layer 5, and a bamboo charcoal coating 6, Diatom mud layer 7, photocatalyst titanium dioxide coating 8.

The base layer 1 is interior wall concrete, and the base layer 1 needs to be cleaned before the putty layer 2 is sprayed. The thickness of the putty layer 2 is 3mm; the primer layer 3 is a styrene-acrylic emulsion, which has the effect of anti-alkali and mildew resistance, and the thickness is 0.05mm; the thickness of the nano-silver antibacterial layer 5 is 0.03mm, and the bamboo charcoal coating The thickness of 6 is 0.25mm, the thickness of the diatom mud layer 7 is 0.35mm; the photocatalyst titanium dioxide coating 8 is a nano titanium dioxide coating with a thickness of 0.3 mm, and the particle size of the nano titanium dioxide is 10 nm.

Example 3

A sterilization and formaldehyde-removing environment-friendly embossed interior wall coating is composed of the following structures from inside to outside: a base layer 1, a putty layer 2, a primer layer 3, an embossed layer 4, a nano-silver antibacterial layer 5, and a bamboo charcoal coating 6, Diatom mud layer 7, photocatalyst titanium dioxide coating 8.

The base layer 1 is interior wall concrete, and the base layer 1 needs to be cleaned before the putty layer 2 is sprayed. The thickness of the putty layer 2 is 1mm; the primer layer 3 is a styrene-acrylic emulsion, which has the effect of anti-alkali and mildew resistance, and the thickness is 0.03mm; the thickness of the nano-silver antibacterial layer 5 is 0.02mm, and the bamboo charcoal coating The thickness of 6 is 0.2 mm, the thickness of the diatom mud layer 7 is 0.25 mm; the thickness of the photocatalyst titanium dioxide coating 8 is a nano titanium dioxide coating with a thickness of 0.2 mm, and the particle size of the nano titanium dioxide is 5 nm.

Comparative Example 1

The difference between Comparative Example 1 and Example 1 is only that there is no bamboo charcoal coating 6.

Comparative Example 2

The only difference between Comparative Example 2 and Example 1 is that there is no diatom mud layer 7 .

Comparative Example 3

The only difference between Comparative Example 3 and Example 1 is that there is no nano-silver antibacterial layer 5 .

test

1. Formaldehyde removal experiment: The coatings of Examples 1-3 and Comparative Examples 1-2 were sprayed in a glass box of 1 m ³ , the coating thickness was 50um, the test stability range was 20-25 °C, and the relative humidity was 40 -50%, the air velocity is less than 0.3m/s. The measuring instruments are HTV-type formaldehyde detectors and air samplers that comply with the National Metrology Verification Regulations of the People's Republic of China JJG1022-2007. A certain amount of formaldehyde solution was injected into the plastic bottle, and the formaldehyde concentration in the sampled air was sampled every few hours under the irradiation of natural light. A blank control group was set up, and the formaldehyde removal rate was calculated according to the measured formaldehyde concentration. 1.

Table 1. Comparison of formaldehyde removal rate data of the coatings of Examples 1-3 and Comparative Examples 1-2

2. Bacteriostatic rate test: The coatings of Examples 1-3 and Comparative Examples 1-2 were respectively added with Staphylococcus aureus with a viable count of 9.30*10 ⁴ (cfu/ml) and Escherichia coli with a viable count of 1.17*10 ⁵ , The antibacterial effect was detected after 24 hours, as shown in Table 2.

Table 2. Comparison of antibacterial data of the coatings of Examples 1-3 and Comparative Example 3

As can be seen from the data in Table 1, compared to the single adsorption formaldehyde system of Comparative Examples 1 and 2, the formaldehyde absorption effect of the double adsorption formaldehyde of bamboo charcoal coating and diatom mud layer adopted in Examples 1 to 3 of the present application has significantly improved, and from the table 2 It can be seen from the data that, compared with Comparative Example 3, the sterilization effect of the nano-silver sterilization layer in Examples 1 to 3 of the present application is significantly enhanced.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (7)

1. a sterilization removing formaldehyde building interior wall relief coating, is characterized in that, is made up of following structures successively from inside to outside: base layer (1), putty layer (2), primer layer (3), relief layer ( 4), nano silver antibacterial layer (5), bamboo charcoal coating (6), diatom mud layer (7), photocatalyst titanium dioxide coating (8). 2. according to the described sterilizing and removing formaldehyde building interior wall relief coating of claim 1, it is characterized in that, the thickness of described bamboo charcoal coating (6) is 0.15～0.25mm. 3. The sterilization and formaldehyde-removing building interior wall relief coating according to claim 1, wherein the thickness of the diatom mud layer (7) is 0.15-0.35 mm. The sterilization and formaldehyde-removing building interior wall relief coating according to claim 1, wherein the thickness of the photocatalyst titanium dioxide coating (8) is 0.1-0.3 mm. 5. The sterilization and formaldehyde-removing building interior wall relief coating according to claim 1, wherein the thickness of the nano-silver antibacterial layer (5) is 0.01-0.03 mm. 6 . The sterilization and formaldehyde-removing building interior wall relief coating according to claim 1 , wherein the putty layer ( 2 ) has a thickness of 0.5-3 mm. 7 . 7 . The sterilization and formaldehyde-removing building interior wall relief coating according to claim 1 , wherein the primer layer (3) is a styrene-acrylic emulsion with a thickness of 0.01-0.05 mm. 8 .

Images