CN216998237U

CN216998237U - Sterilizing and formaldehyde-removing relief coating for building interior wall

Info

Publication number: CN216998237U
Application number: CN202220739403.8U
Authority: CN
Inventors: 曲福波; 李兆祥; 张保江; 徐斗勇; 袁春法; 赵春玲
Original assignee: Yantai Jinqiao Unocal New Material Technology Co ltd
Current assignee: Yantai Jinqiao Unocal New Material Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-19
Anticipated expiration: 2032-03-31

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

Sterilizing and formaldehyde-removing relief coating for building interior wall

Technical Field

The utility model belongs to the technical field of building interior wall coatings, and particularly relates to a sterilizing and formaldehyde-removing building interior wall relief coating.

Background

The art paint is originated in Europe, the advanced process is spread from Europe, and after entering the domestic market, the art paint is popular and advocated by people with novel decorative style and unusual decorative effect. The artistic paint is a new type of wall decoration artistic paint, and has no toxicity, environment friendship, waterproof, dustproof, fire retarding and other functions.

The relief paint is a series of art paint, and the decorative coating of relief paint is a colour wall coating material with lifelike stereo texture. The decorated wall surface looks like a relief-like three-dimensional impression, so the wall surface is called as a relief effect.

Researches prove that many household decorative materials slowly release small-molecule harmful substances such as aldehydes, phenols and alcohols, and are easy to damage human health. In addition, with the increasing industrialization and urbanization of human society, the urban air pollution is more and more serious, for example, the air pollution of the living environment of people is more and more serious due to a large amount of harmful gases such as sulfur dioxide, carbon monoxide, low-valence state nitride and the like discharged by industrial coal, automobile exhaust and the like. In addition, investigation and research have shown that indoor microbial contamination is one of the main causes of various poisoning, infection, allergic diseases and infectious diseases. Therefore, it is urgent to research and develop a kind of air purification material with all-round, rapid effect and convenient operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide the sterilizing and formaldehyde-removing relief coating for the building interior wall, which adopts the double formaldehyde adsorption effect of the bamboo charcoal coating and the diatom ooze layer, is matched with the efficient oxidative decomposition of photocatalyst titanium dioxide on formaldehyde, benzene and other harmful gases, and is assisted with the sterilizing effect of nano-silver, so that the relief structure is more attractive, the contact area is increased to a greater extent, and the sterilizing and formaldehyde-removing effects are improved.

In order to realize the purposes, the adopted technical scheme is as follows:

the bactericidal relief coating for the interior wall of the building, which is prepared from the following structures from inside to outside in sequence: the base layer, the putty layer, the priming paint layer, the relief sculpture layer, nano-silver antibacterial layer, bamboo charcoal coating, diatom ooze layer, photocatalyst titanium dioxide coating.

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

Further, the priming paint layer is styrene-acrylic emulsion, and the thickness of the priming paint layer is 0.01-0.05 mm.

The beneficial effect of adopting the further technical scheme is that: the styrene-acrylic emulsion serving as the primer layer has the effects of alkali resistance and mildew resistance and can improve the adhesion effect of the putty layer inside the styrene-acrylic emulsion and the external coating.

Further, the thickness of the bamboo charcoal coating is 0.15-0.25 mm, and the diatom ooze layer is formed by coating diatom oozes with the thickness of 0.15-0.35 mm.

The beneficial effect of adopting the further technical scheme is that: the bamboo charcoal coating and the diatom ooze layer both have excellent functions of adsorbing harmful gases such as formaldehyde and the like, and the bamboo charcoal coating and the diatom ooze layer can generate the function of adsorbing formaldehyde by overlapping.

Further, the nano silver antibacterial layer is formed by spraying a 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 g.

The beneficial effect of adopting the further technical scheme is that: the nano silver antibacterial layer can continuously and effectively kill bacteria on the coating and prolong the service life of the coating.

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

The beneficial effect of adopting the further technical scheme is that: because the photocatalyst titanium dioxide can effectively degrade toxic and harmful gases such as formaldehyde and the like, the air is efficiently purified; meanwhile, various bacteria can be effectively killed, and toxin released by the bacteria or fungi can be decomposed and harmlessly treated. Therefore, in the utility model, the photocatalyst titanium dioxide layer can degrade toxic and harmful gases such as formaldehyde and the like in the air and adsorbed by the bamboo charcoal coating layer and the diatomite layer on the inner side, and simultaneously, the sterilization effect of the nano silver antibacterial layer is further enhanced.

Furthermore, the relief sculpture layer is a three-dimensional wall coating material, and the relief sculpture layer is more beautiful, the contact area is increased to a greater extent, and the effect of sterilizing and removing formaldehyde is improved.

Compared with the prior art, the utility model has the beneficial effects that:

the double formaldehyde adsorption effect of the bamboo charcoal coating and the diatom ooze layer is utilized, the photocatalyst titanium dioxide is matched for efficient oxidative decomposition of harmful gases such as formaldehyde and benzene, the nano-silver sterilization effect is assisted, the relief structure is more attractive, the contact area is increased to a greater extent, the formaldehyde sterilization and removal effect is improved, the building interior wall relief coating with the excellent formaldehyde sterilization and removal effect is prepared, the bacteriostasis rate of the coating reaches more than 95%, and the harmful gas removal rate reaches more than 85%.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Wherein, 1, a basal layer; 2. a putty layer; 3. a primer layer; 4. a relief layer; 5. a nano silver antibacterial layer; 6. a bamboo charcoal coating; 7. a layer of diatom ooze; 8. a photocatalyst titanium dioxide coating.

Detailed Description

The present invention is described below with reference to examples, which are provided for illustration only and are not intended to limit the scope of the present invention.

The meaning of "inside and outside" in the present invention means that the direction pointing to the inside of the product is inside and vice versa with respect to the product itself, and is not a specific limitation on the structure of the product of the present invention.

Example 1

The bactericidal environment-friendly relief interior wall coating with formaldehyde removed sequentially comprises the following structures from inside to outside: the coating comprises a substrate layer 1, a putty layer 2, a primer layer 3, a relief layer 4, a nano-silver antibacterial layer 5, a bamboo charcoal coating 6, a diatom ooze layer 7 and a photocatalyst titanium dioxide coating 8.

The base layer 1 is not particularly limited, but is preferably inner 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 0.5 mm; the primer layer 3 is styrene-acrylic emulsion which has the effects of alkali resistance and mildew resistance, and the thickness is 0.01 mm; the thickness of the nano-silver antibacterial layer 5 is 0.01mm, the thickness of the bamboo charcoal coating 6 is 0.15mm, and the thickness of the diatom ooze layer 7 is 0.15 mm; the photocatalyst titanium dioxide coating 8 is a nano titanium dioxide coating with the thickness of 0.1mm, and the particle size of the nano titanium dioxide is 2 nm.

Example 2

The bactericidal environment-friendly relief interior wall coating with formaldehyde removed sequentially comprises the following structures from inside to outside: the coating comprises a substrate layer 1, a putty layer 2, a primer layer 3, a relief layer 4, a nano-silver antibacterial layer 5, a bamboo charcoal coating 6, a diatomite layer 7 and a photocatalyst titanium dioxide coating 8.

The base layer 1 is inner 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 3 mm; the primer layer 3 is styrene-acrylic emulsion which has alkali-resistant and mildew-resistant effects and has a thickness of 0.05 mm; the thickness of the nano-silver antibacterial layer 5 is 0.03mm, the thickness of the bamboo charcoal coating 6 is 0.25mm, and the thickness of the diatom ooze layer 7 is 0.35 mm; the photocatalyst titanium dioxide coating 8 is a nano titanium dioxide coating with the thickness of 0.3mm, and the particle size of the nano titanium dioxide is 10 nm.

Example 3

The base layer 1 is inner 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 1 mm; the primer layer 3 is styrene-acrylic emulsion which has the alkali-resistant and mildew-proof effects and the thickness of which is 0.03 mm; the thickness of the nano silver antibacterial layer 5 is 0.02mm, the thickness of the bamboo charcoal coating 6 is 0.2mm, and the thickness of the diatom ooze layer 7 is 0.25 mm; the photocatalyst titanium dioxide coating 8 is a nano titanium dioxide coating with the thickness of 0.2mm, and the particle size of the nano titanium dioxide is 5 nm.

Comparative example 1

Comparative example 1 is different from example 1 only in that there is no bamboo charcoal coating 6.

Comparative example 2

Comparative example 2 differs from example 1 only in the absence of the diatom ooze layer 7.

Comparative example 3

Comparative example 3 is different from example 1 only in that there is no nano silver antibiotic layer 5.

Testing of

1. Formaldehyde removal test: the coatings of examples 1-3 and comparative examples 1-2 were sprayed on 1m³The thickness of the coating in the glass box is 50um, the stable range of the test is 20-25 ℃, the relative humidity is 40-50%, and the air flow rate is less than 0.3 m/s. The measuring instrument adopts an HTV formaldehyde detector and an air sampler which accord with the national measurement and verification regulation JJJG 1022-2007 of the people's republic of China. Injecting a certain amount of formaldehyde solution into the plastic bottle, sampling every several hours under the irradiation of natural light to measure the formaldehyde concentration in the sampled air, setting a blank control group, calculating the removal rate of formaldehyde according to the measured formaldehyde concentration, and the detection result is shown in table 1.

TABLE 1 comparison of Formaldehyde removal Rate data for the coatings of examples 1-3 and comparative examples 1-2

2. And (3) testing the bacteriostatic rate: the coatings of examples 1-3 and comparative examples 1-2 were each charged with 9.30 × 10 viable counts⁴(cfu/ml) Staphylococcus aureus and 1.17 x 10⁵The antibacterial effect after 24 hours is shown in Table 2.

TABLE 2 comparison of the bacteriostatic data for the coatings of examples 1-3 and comparative example 3

As can be seen from data in table 1, compared with the single formaldehyde adsorption system in comparative examples 1 and 2, the formaldehyde adsorption effect of the double formaldehyde adsorption system adopting the bamboo charcoal coating and the diatom ooze layer in the embodiments 1-3 is obviously improved, and as can be seen from data in table 2, the sterilization effect of the nano silver sterilization layer in the embodiments 1-3 is obviously enhanced compared with that of the comparative example 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The bactericidal and formaldehyde-removing relief coating for the building interior wall is characterized by sequentially comprising the following structures from inside to outside: the coating comprises a substrate layer (1), a putty layer (2), a primer layer (3), a relief layer (4), a nano-silver antibacterial layer (5), a bamboo charcoal coating (6), a diatomite layer (7) and a photocatalyst titanium dioxide coating (8).

2. The bactericidal and formaldehyde-removing architectural interior wall relief coating as claimed in claim 1, wherein the thickness of the bamboo charcoal coating (6) is 0.15-0.25 mm.

3. The bactericidal and formaldehyde-removing embossed coating for the interior wall of the building as claimed in claim 1, wherein the thickness of the diatom ooze layer (7) is 0.15-0.35 mm.

4. The bactericidal and formaldehyde-removing relief coating for building interior walls as claimed in claim 1, wherein the thickness of the photocatalyst titanium dioxide coating (8) is 0.1-0.3 mm.

5. The bactericidal and formaldehyde-removing architectural interior wall relief coating according to claim 1, wherein the nano-silver antibacterial layer (5) has a thickness of 0.01-0.03 mm.

6. The bactericidal and formaldehyde-removing architectural interior wall relief coating according to claim 1, wherein the putty layer (2) has a thickness of 0.5-3 mm.

7. The bactericidal and formaldehyde-removing architectural interior wall relief coating according to claim 1, wherein the primer layer (3) is styrene-acrylic emulsion and has a thickness of 0.01-0.05 mm.