What are the disadvantages of interior wall coatings and the characteristics of interior wall coatin

Melamine paint. Melamine coating is a glossy coating made of a variety of polymer compounds as the base material, with various additives, pigments and fillers.

Melamine coating is characterized by wear resistance, boiling water resistance, aging resistance and high hardness, delicate decorative effect, smooth and elegant, but the construction process is complicated and the wet friction resistance is poor.

Low-grade water-soluble paints.

Low-grade water-soluble coatings are made by dissolving polyvinyl alcohol in water and adding other additives such as pigments to it.

This kind of wall interior coating is characterized by not being resistant to water and alkali, and the coating is easy to peel off after being wet, which is a low-grade interior wall coating and is suitable for general interior wall decoration. Its advantages are cheap, non-toxic, odorless, convenient construction, etc.; The disadvantage is that the durability is not good, it is easy to yellowing and discoloration, and it will leave marks after wiping with a damp cloth.

Latex paint. Wall paint, also known as latex paint, is a kind of acrylic ester, styrene-acrylate copolymer, vinyl acetate polymer aqueous solution as a film-forming substance, adding a variety of auxiliary components to make, its film-forming material is insoluble in water.

The characteristics of latex paint are that the water resistance is greatly improved compared with low-grade water-soluble paint, and there are different decorative types such as matte and mercerized, and a good latex paint coating is not easy to peel off after being wet.

Liquid wallpaper. Liquid wallpaper Liquid wallpaper is a new type of art paint, also known as wallpaper paint, which is an environmentally friendly water-based paint that combines the characteristics of wallpaper and latex paint.

Liquid wallpaper is characterized by environmental performance, a variety of effects, arbitrary modulation of colors, and can be customized at will.

Powder coating. Powder coating is a new type of solvent-free 100% solid powder coating.

Powder coating is characterized by solvent-free, pollution-free, environmentally friendly, energy-saving, resource-saving, reduced labor intensity and high mechanical strength of the coating film, which is currently a relatively environmentally friendly coating.

1.Colorful paints.

Colorful paint is currently a popular interior wall paint. The film-forming substance of this coating is nitrocellulose, which can form a multi-red color pattern in a single spray. The decorative effect of colorful paint is delicate, smooth and elegant, and it is not high, but the construction process is complicated and the wet friction resistance is poor.

2.Latex paint.

Latex paint is a water-dispersible coating, which is made of synthetic resin emulsion as the base material, and the filler is refined by adding various additives after grinding and dispersion. Latex paint is insoluble in water, and its water resistance and weather resistance are much better. Latex paint is a high-grade paint, although it is relatively expensive, it has excellent performance and decorative effect.

Latex paint is more resistant to water, alkali and washing, and will not peel off after being wet.

3.Low-grade water-soluble paints.

Low-grade water-soluble coatings are mostly made of polyvinyl alcohol dissolved in water and then added with pigments and other additives.

Advantages: cheap, non-toxic, odorless, convenient construction.

Disadvantages: not resistant to water and alkali, the layer is easy to peel off after moisture, and it is a low-grade interior wall material.

When it comes to interior wall coatings, at this stage, what is the basic situation of interior wall coatings in China's construction industry? What are the basic features? The following is the relevant content of the characteristics of professional architectural terminology of interior wall coatings, and the basic situation is as follows:

The main function of interior wall paint is to decorate and protect the interior wall, make it beautiful and tidy, and let people be in a comfortable living environment. In order to obtain a good decorative effect, interior wall paint should have the following characteristics:

1) Colorful, delicate and harmonious.

As we all know, the decorative effect of interior walls is mainly composed of three factors: texture, line and color. Paint is used for decoration and color is the main thing. The color of interior wall paint should generally highlight light and bright, because many occupants have different preferences for color, so the color of building interior wall paint is required to be colorful.

2) Good alkali resistance, water resistance, chalking resistance, and good air permeability.

Since the base layer of the wall is alkaline, the alkali resistance of the paint is better. The indoor humidity is generally higher than that of the outdoors, and at the same time, in order to facilitate cleaning, the coating is required to have a certain water resistance and brushing ability. Wall materials with poor air permeability are easy to condense or hang water, which makes people feel uncomfortable, so interior wall coatings should have a certain degree of air permeability.

3) Easy to paint, **reasonable.

The brushing materials lime mortar, large white powder and Kesai silver are the traditional interior wall decoration materials in China, which are named because they are often painted with row pens. Lime slurry, also known as lime water, has the effect of whitening, is the simplest interior wall coating, its main disadvantage is that the color is monotonous, easy to yellow and depowdered; Large white powder, also known as chalk powder, old powder or clay, etc., is a calcium carbonate powder with a certain fineness, and adhesive should be added when preparing the slurry to prevent depowdering. The large white paste has high hiding power, is cheap, easy to construct and maintain, and is a commonly used low-grade interior wall coating.

Kesai silver is a powdered material made of calcium carbonate and talcum powder as fillers, casein as adhesive, mixed with pigments, also known as casein coating.

Exterior paintsIt is used for the exterior of the building coating, its quality is directly related to the length of time to ensure that the appearance is not destroyed, the exterior wall paint to withstand the sun exposure and rain rebrushing, the types of exterior wall paint are more and more, the quality requirements are getting higher and higher, so how to choose the exterior wall coating?

There are many kinds of exterior wall coatings, which can be divided into strong acid and alkali resistant exterior wall coatings, silicone self-cleaning and waterproof exterior wall coatings, tempered waterproof putty powder, pure acrylic elastic exterior wall coatings, silicone self-cleaning elastic exterior wall coatings, high-grade acrylic exterior wall coatings, fluorocarbon coatings, ceramic tile primers, ceramic tile topcoats, high weather-resistant hydrophobic topcoats, environmentally friendly exterior wall latex paints, acrylic oily topcoats, exterior wall oil ba, metallic paints, interior and exterior wall multi-functional coatings, etc., all of which have their own characteristics. According to the decorative texture, it can also be divided into thin exterior wall coatings, multilayer pattern coatings, colored sand coatings and thick coatings.

Exterior wall coating is mainly to protect the outside of the building, increase the beauty of the appearance, make the appearance of the building clean and tidy, so as to achieve the beautification effect of the city, since it is to protect the outside of the building, it needs to have a long life. In order to achieve the ideal effect of protection and decoration, the exterior wall paint must have the following characteristics:

1. Good stain resistance: due to the large differences in environmental conditions in different regions of China, for some cities with developed heavy industry and mining, due to the large amount of dust and other suspended substances in the atmosphere, the easily stained coating will lose its original decorative effect, thereby affecting the appearance of the building. Therefore, exterior wall coatings should have good stain resistance, so that the coating is not easy to be polluted or easy to clean off after contamination.

2. Good water resistance: exterior wall paint finishes are exposed to the atmosphere and will often be washed by rain. Therefore, the exterior wall paint coating should have good water resistance.

3. Good weather resistance: exterior wall coatings, because the coating is exposed to the atmosphere, must withstand the effects of wind, day-to-day rent, salt spray corrosion, rain, cold and hot changes, etc., under the long-term repeated action of these external natural environments, the coating is prone to cracking, chalking, peeling, discoloration and other phenomena, so that the coating loses its original decorative protection function. Therefore, it is required that the coating of the exterior wall should not be damaged within the specified service life.

4. Good mildew resistance: exterior wall paint finishes are prone to mildew in humid environments. Therefore, it is required that the coating film inhibit the growth of mold and algae.

In addition, according to the different design function requirements, higher requirements are also put forward for exterior wall coatings: such as in the application of various exterior wall external thermal insulation system coatings, the exterior wall coatings are required to have good elastic elongation, so as to better adapt to the cracking of the surface layer due to the deformation of the base layer, and have a covering effect on the small cracks of the base layer; For the exterior wall coating of the anti-aluminum composite panel decoration failure, it should also have a better metal texture and ultra-long outdoor durability.

5. Good decoration: the exterior wall paint is required to be rich in color and excellent in color retention, and can maintain the original decorative performance for a long time.

The disadvantage of exterior wall paint is that the texture is poor, the life is short, even if the paint is claimed to have a life of 10 years, it may need to be cleaned and rebrushed in less than 5 years, and this cost still needs to be "paid out of pocket" by the owner, which is generally taken out of the house maintenance funds paid by the owner.

1) Fast drying speed. At 25°C, the surface dries in 30 minutes and completely in about 120 minutes. (2) Good alkali resistance.

Coated on alkaline freshly plastered walls, ceilings and concrete walls, it does not return to stick and is not easy to discolor. (3) The color is soft, the paint film is hard, the surface is smooth and dull, the appearance is comfortable, and the color is bright and soft. The color adheres strongly, making it an ideal paint for painting walls and ceilings.

4) It can be applied on the wet wall after the new construction, and the allowable humidity can reach 8-10%, and it will not affect the cement to continue drying. (5) Non-toxic. Even if the construction is carried out in a room with poor ventilation conditions, it will not bring harm to the construction workers.

6) Convenient modulation and easy construction. It can be diluted with water, constructed with a brush or a pen, and cleaned with clean water after the tool is used up, which is very convenient. (7) Do not ignite.

Because the coating is an aqueous system, there is no risk of disaster.

What are the advantages and disadvantages of wall coatings, the following Zhongda Consulting will answer for you.

In the living room, people's eyes are often focused on the wall first, so the wall is often the focus of the living room decoration. With the increasing abundance of decoration products on the market, there are a variety of coatings available for wall decoration.

Common residential interior wall paints can be divided into the following categories:

Low-grade water-soluble paints. The advantages of this coating are low, easy to apply and non-toxic, but poor durability and easy yellowing are its obvious shortcomings.

Colorful spray paint. Once sprayed, it can form a multi-color pattern, which is elegant and generous, and has a strong three-dimensional effect. It has the advantage of being highly resistant to oil and alkali and can be cleaned with water.

Paste interior paints. Using this coating, the surface is smooth and clean like porcelain, non-powdering, non-toxic, tasteless, good air permeability, and low price, but its temperature resistance and scrubbing resistance are poor.

Latex paint. It is characterized by mercerization, like satin, strong hiding power, soft and durable color, simple construction and easy cleaning.

After you have a preliminary understanding of different products, you may wish to listen to the suggestions of industry insiders, and then choose the right product according to the actual situation:

These coatings can be used for living room walls, and latex paints are currently the most popular among ordinary consumers.

Kitchens and bathrooms are rich in fumes and moisture, so it is best to choose easy-to-clean wall decoration materials, such as glazed tiles, mildew-proof PVC wall coverings or latex paints.

In short, no matter what paint you choose, you should not only consider the overall style of the room, but also take into account the preferences of family members, and choose according to your own financial situation.