It is a white, free-flowing powder obtained by spraying vinyl acetyl-ethylene aqueous polymer sprayers? When mixed with water, this powder can be dispersed into a liquid emulsion with properties similar to the original emulsion.
Fragile polymer powder is the most important binder in cement and gypsum-based dry powder materials. The dispersible polymer powder is a sprayed dried polymer emulsion powder. The water-dispersible polymer powder is re-emitted and has the same properties as the original emulsion, i.e. the film can be formed after the water has evaporated. The film is characterized by high durability, resistance to weathering, and adhesion to the substrate. In addition, the latex powder with hydrophobic properties can improve the waterproofing performance of the water slurry.
Redispersible Polymer Powder is a free-flowing organic polymer powder, formed by drying sprays of various monomers such as vinyl acetate, multipurpose vinyl, ethylene, acryl-et, and styrene-butadiene.
Reusable polymer powders are polymer emulsions that have been converted through a series of processes such as high temperature, compression, spray drying, and surface treatment into thermoplastic resins. When mixed with water, the organic sealant of this powder can be returned to the water in a new emulsion, which has the same properties as the original polymer emulsion. The addition of polymer powder that can be spread into the slurry can increase the compressibility, tenacity, and flexibility of the mortar. First, this slurry can increase water retention and form a layer to reduce water evaporation. Second, it can increase the strength of the mortar bonds.
The world’s first recycled polymer powder is homogeneous vinyl acetate powder. The esters of polymers react with ester bonds to form free alcohol or acidic salts under alkaline conditions and thus dissolve in water from water-soluble water. Soluble, and that an increase in the transition temperature of the glass will lose the required elasticity, or for other reasons. Polymer powders like these can be used for alkaline Portland cement systems
Performance of Redispersible Polymer Powder in a dry mortar:
- Increase the adhesion of dry mortar to different materials and ensure weather resistance to the strength of the mortar bond under different conditions of use. For example, to increase the bonding strength of mortar panels, EPS panels, EPS particles, concrete walls and brick walls in a refractory mortar;
- It reduces the modulus of elasticity of the material, increases the elasticity and flexibility of the material. This material can withstand specific substrate deformations, external force impact, temperature difference deformation, and freeze-thaw deformation. If the re-dispersible polymer powder can improve the dynamic cracking dynamics and thermal aging resistance of the tile adhesive, the impact resistance of the insulation system of the EPS board;
- The redispersible polymer powder can reduce the water absorption of the material, the effect of the special hydrophobic latex powder is more obvious. Reduce the damage caused by water and water to the formed mortar;
- 4. Some kinds of redispersible polymer powder can improve the durability and smoothness of the mortar to improve the performance of the construction of the mortar.
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