Polymer mortar is a new type of material that has been widely used in the construction industry in recent years. It is a kind of mortar made of polymer as the main component and mixed with cement, lime, and other materials. It has good water resistance, weather resistance, crack resistance, and corrosion resistance. The following will introduce the relevant knowledge of polymer mortar in detail.

Composition of polymer mortar

The main component of mortar is polymer emulsion, and other main components include cement, lime, sand, and various additives. Polymer emulsion is a kind of polymer compound. It is a water-based polymer in the form of an emulsion, which is mainly polymerized from monomers such as acrylate and styrene-butadiene rubber. The addition of polymer emulsion can improve the adhesive force, water resistance, crack resistance, and other properties of the mortar, and can also enhance the flexibility and toughness of the mortar.

The advantages of polymer mortar

Water resistance: After soaking in water for a certain period, the performance of mortar will remain unchanged, while ordinary mortar will have problems such as water absorption and cracking.

Weather resistance: The performance of mortar will not change significantly under high temperature, low temperature, sunlight, rain, and other harsh environments, while the ordinary mortar is prone to problems such as aging and cracking.

Crack resistance: Mortar has good flexibility and toughness, which can effectively prevent cracks, while ordinary mortar is prone to cracks, which affects the overall appearance.

Corrosion resistance: Mortar can effectively prevent the erosion of corrosive substances such as acid, alkali, and salt, while the ordinary mortar is easily damaged by corrosion.

Application of polymer mortar

Polymer mortars are used in a wide range of applications, including various building surfaces such as floors, walls, ceilings, and facades. Specific application scenarios include:

Indoor floor: Mortar can be a decorative material for indoor floors. It has the advantages of being waterproof, dustproof, antifouling, and easy to clean. It can also provide a variety of colors and patterns to meet the needs of different styles of decoration.

Indoor wall surface: Mortar can also be used for interior wall decoration, which can create a unique three-dimensional sense and texture, and also has the advantages of being waterproof, mildew-proof, anti-fouling, easy to clean, etc., making the wall surface more beautiful and durable.

Outdoor facade: Polymer mortar can be used to decorate outdoor facades. It has the advantages of good weather resistance, good water resistance, and good crack resistance. It can effectively protect the surface of buildings and improve the aesthetics and durability of buildings.

Basement waterproofing: Polymer mortar can be used as a material for basement waterproofing, which can effectively prevent groundwater leakage and improve the waterproof performance and service life of the basement.

Pavement maintenance: Polymer mortar can also be used for road surface repair and maintenance, which can fill road surface cracks and enhance the durability and bearing capacity of the road surface.

The construction method of polymer mortar

The construction method of polymer mortar is similar to ordinary mortar, but it is different in mix ratio and construction method. Generally speaking, the mixing ratio of polymer mortar is mixed with cement, lime, sand, and polymer emulsion in a certain proportion. The construction steps include:

Prepare materials: prepare cement, lime, sand, polymer emulsion, and other materials, and mix them according to the mix ratio.

Clean up the base: Clean up the debris and dust on the bottom of the construction to ensure that the floor is flat and dry.

Brushing Primer: Brush a layer of polymer primer on the surface of the base to enhance bonding and adhesion.

Beating leveling: knocking on the surface of the base layer with a wire brush or steel plate to make the character more even.

Applying mortar: apply the mixed polymer mortar on the surface of the base layer, and use a spatula to scrape and smooth it.

Maintenance: After the construction is completed, it is maintained to keep it in a moist state. Generally, it needs to be maintained for 7-14 days.

Precautions for polymer mortar

Choose high-quality materials: When choosing polymer mortar materials, you should choose products with good quality and reliable quality, and avoid buying inferior materials.

Construction in strict accordance with the mix ratio: During construction, the mix and construction should be carried out in strict accordance with the mix ratio of polymer mortar to avoid poor construction quality due to improper mix ratio.

Clean up the base: Before construction, the debris and dust on the surface of the base should be cleaned to ensure that the surface of the ground is dry and smooth.

Primer treatment: Before construction, a layer of polymer primer should be painted on the surface of the base to enhance bonding and adhesion.

Construction temperature: The construction temperature of polymer mortar should be above 5°C, avoid construction in low-temperature environments.

Maintenance treatment: After the construction is completed, it should be fully maintained to keep it moist and avoid cracking and falling off due to premature drying.

Generally speaking, polymer mortar is a building material with excellent performance and is widely used. It has excellent water resistance, anti-fouling, anti-mildew, easy to clean, and other advantages. At the same time, it can provide a variety of colors and patterns to meet different styles—of decoration needs. During the construction process, attention should be paid to selecting high-quality materials, construction in strict accordance with the mix ratio, cleaning of the base, and painting of primers, etc., to ensure the construction quality and service life.

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