Redispersible Polymer Powder - Cellulose Ethers

15 Jul.,2024

 

Redispersible Polymer Powder - Cellulose Ethers

Redispersible Polymer powder(ordinary type) is composed of a special polymers made of powder adhesive after spray drying. this powder is contact with water can be dispersed again in soon after forming emulsion, and with the nature of the same as the initial emulsion, namely the film can be formed after the moisture evaporation, the film has high flexibility, high resistance to weathering and on various substrate with high caking property. the powder environmental protection, energy saving, high quality, used for powder materials, dry-mix mortar is an indispensable functional additives. It can improve the performance of mortar, raise the strength of the mortar, improve the bonding strength of mortar with different base material, improve the mortar flexible and variable line, compressive strength, flexural strength, abrasion resistance and toughness, stick relay and water retention, constructability.

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Redispersible Polymer powder is mainly used in all kinds of dry-mix mortar, such as wall putty powder, ceramic tile adhesive, ceramic tile jointing agent, dry powder interface agent, exterior insulation mortar, self-leveling mortar, mending mortar, decorative mortar, waterproof mortar, etc..

Feature: Redispersible Polymer powder(Redispersible Latex powder) is the main raw material in production of internal, external wall putty, adhesive mortar and plaster mortar. the powder is specially applied as the agglutinant of basis materials on triple superphosphate, Talcum powder and white cement and so on. It can improve the adhesion properties water resistance, flexural strength and operability of the basis materials.

Usage: The quantity of the powder is to different kinds of basis material. the substrate mixture should be stirred and dispersed fully to ensure the excellent stability of the products. However, high temperature generated from high-pressure and shear stress when mixed should be avoided.

Attentions: Stored in cool and dry place. Please use within the guarantee period. To avoid metamorphism caused by absorbing ambient moisture, as possible one-time use after the bag is opened.

Product elucidation

Redispersible Polymer powder is mainly applied for the dry mixed mortar of the construction industry, and is the important additive of dry mixed mortar.

Redispersible Polymer powder has obvious functions in the dry mixed mortar. It can improve strength and bonding force, the elastic bending strength and rupture strength of materials. It also improve the freezeproof property, weathering resistance, durability and wear resistance of the materials. As well as intensify the hydrophobicity and reduce the water absorption, improve the construction characteristic and reduce the contraction ratio of materials. The powder can effciently prevent cracking.

1,Improvement of the bonding strength and bonding force.

It is quite necessary to add Redispersible Polymer powder to the products of dry mortar. It can obviously improve the bonding strength and bonding force of materials, as it is because the matrix hole and capillary penetration of the polymer particle to cements form into fine bonding strength after hydrating of the cements. Furthermore, due to the fine boding force of polymer resin, the powder has better effects on improve of the boding force of dry mortar to the basis materials, especially improving the bad bonding properties of the inorganic bonder such as cement to the organic materials likes woods, fiber, PVC and EPS.

2,Improvement of the counter bending and tensile property

In the rigid structures after hydrating of the cement mortar, the film elasticity and tenacity of the polymer has the similar function of the mobile joint between the cement mortar particles, the it can bear high distortion load and reduce the stress, as well as improve the tension and resistance to bending.

3,Improvement of the impact resistance

Redispersible Polymer powder is the thermoplastic resin. The soft covered on the surface of mortar particles can absorb outside force impact that is tensile without damage, so as to improve the impact resistance of mortar.

4,Improvement of the hydrophobicity and reduction of the water absorption

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Addition of the Redispersible Polymer powder can improve the microscopic structure of the cement mortar. The polymer forms into the irreversible network during the cement hydrating process. Capillary in the close cement gelation can hold up the water absorption and water penetration. so as to improve the penetration resistance capability.

5,Improvement of the wear resistance and durability

Addition of the Redispersible Polymer powder can intensify the dense grade between the cement mortar particles and polymer film. Strengthening of the boding force correspondingly improves the shearing stress-bearing capacity of the mortar, reduces the wear rate, improve the wear resistance, and prolongs the service life of the mortar.

6,Improvement of the freeze thawing stability and efficient prevention of the cracking of materials

The plasticity function possessed by the thermoplastic resin of Redispersible Polymer powder can overcome the flatulence damage for cement mortar materials brought by temperature difference changes. It can overcome the defects of dry shrinkage and distortion of single cement mortar that is easy to be cracked, and make the material flexible, so as to improve the long stability of materials.

The Different Types of Redispersible Powder

Redispersible powders have become an integral component in the construction industry, especially when it comes to enhancing the properties of materials like tile adhesives, mortars, and other cementitious systems. These powders, when mixed with water, redisperse into their original polymer emulsion form, offering a myriad of benefits to the final product. Let&#;s delve into the different types of redispersible powders and their unique characteristics.

Understanding Redispersible Powders

At its core, a redispersible powder is a polymer emulsion that has undergone spray drying. This process transforms the liquid emulsion into a free-flowing powder form. When this powder is mixed with water, it returns to its original emulsion state, allowing it to impart its beneficial properties to the mixture.

Key Properties Enhanced by Redispersible Powders

One of the primary reasons for the inclusion of redispersible powders in construction materials is their ability to improve rheological properties. This means that they can modify the flow and spread of materials, making them easier to apply and ensuring a smoother finish.

Water resistance is another crucial attribute enhanced by these powders. By incorporating them into the mix, materials like tile adhesives become less susceptible to water damage, ensuring longevity and durability.

Furthermore, bond strength is significantly improved. This ensures that tiles, for instance, adhere more securely to their substrates, reducing the risk of detachment or failure.

The Common Varieties

The market currently offers several types of redispersible polymer powders. Among the most prevalent are:

  1. Ethylene Vinyl Acetate Copolymer (EVA): This type is known for its excellent bond strength and flexibility. It&#;s commonly used in tile adhesives and external thermal insulation systems.
  2. Ethylene/Vinyl Chloride/Vinyl Laurate Terpolymer: This variety is renowned for its water resistance and improved adhesion, especially in environments with high humidity.
  3. Vinyl Acetate/Ethylene/Vinyl Ester of Versatic Acid Terpolymer: This terpolymer is prized for its impact resistance and ability to enhance the glass transition temperature of the material it&#;s added to.

Other Noteworthy Components

Apart from the primary types of redispersible powders, there are other components that play a role in their efficacy. Polyvinyl alcohol, for instance, is often used as a protective colloid during the spray drying process. This ensures that the powder remains free-flowing and doesn&#;t clump together.

In Conclusion

Redispersible powders have undeniably revolutionized the construction industry. Their ability to enhance properties like bond strength, water resistance, and rheological characteristics makes them indispensable in modern construction materials.

For those in the concrete admixture industry, sourcing high-quality raw materials is paramount. At Bisley International, we pride ourselves on supplying top-tier products to meet your needs. Whether you&#;re looking to enhance bond strength, water resistance, or any other property, browse our range of products to find the perfect solution for your requirements.

Redispersible Polymer Powder - Cellulose Ethers

Redispersible Polymer powder(ordinary type) is composed of a special polymers made of powder adhesive after spray drying. this powder is contact with water can be dispersed again in soon after forming emulsion, and with the nature of the same as the initial emulsion, namely the film can be formed after the moisture evaporation, the film has high flexibility, high resistance to weathering and on various substrate with high caking property. the powder environmental protection, energy saving, high quality, used for powder materials, dry-mix mortar is an indispensable functional additives. It can improve the performance of mortar, raise the strength of the mortar, improve the bonding strength of mortar with different base material, improve the mortar flexible and variable line, compressive strength, flexural strength, abrasion resistance and toughness, stick relay and water retention, constructability.

Redispersible Polymer powder is mainly used in all kinds of dry-mix mortar, such as wall putty powder, ceramic tile adhesive, ceramic tile jointing agent, dry powder interface agent, exterior insulation mortar, self-leveling mortar, mending mortar, decorative mortar, waterproof mortar, etc..

Feature: Redispersible Polymer powder(Redispersible Latex powder) is the main raw material in production of internal, external wall putty, adhesive mortar and plaster mortar. the powder is specially applied as the agglutinant of basis materials on triple superphosphate, Talcum powder and white cement and so on. It can improve the adhesion properties water resistance, flexural strength and operability of the basis materials.

Usage: The quantity of the powder is to different kinds of basis material. the substrate mixture should be stirred and dispersed fully to ensure the excellent stability of the products. However, high temperature generated from high-pressure and shear stress when mixed should be avoided.

Attentions: Stored in cool and dry place. Please use within the guarantee period. To avoid metamorphism caused by absorbing ambient moisture, as possible one-time use after the bag is opened.

Product elucidation

Redispersible Polymer powder is mainly applied for the dry mixed mortar of the construction industry, and is the important additive of dry mixed mortar.

Redispersible Polymer powder has obvious functions in the dry mixed mortar. It can improve strength and bonding force, the elastic bending strength and rupture strength of materials. It also improve the freezeproof property, weathering resistance, durability and wear resistance of the materials. As well as intensify the hydrophobicity and reduce the water absorption, improve the construction characteristic and reduce the contraction ratio of materials. The powder can effciently prevent cracking.

1,Improvement of the bonding strength and bonding force.

It is quite necessary to add Redispersible Polymer powder to the products of dry mortar. It can obviously improve the bonding strength and bonding force of materials, as it is because the matrix hole and capillary penetration of the polymer particle to cements form into fine bonding strength after hydrating of the cements. Furthermore, due to the fine boding force of polymer resin, the powder has better effects on improve of the boding force of dry mortar to the basis materials, especially improving the bad bonding properties of the inorganic bonder such as cement to the organic materials likes woods, fiber, PVC and EPS.

2,Improvement of the counter bending and tensile property

In the rigid structures after hydrating of the cement mortar, the film elasticity and tenacity of the polymer has the similar function of the mobile joint between the cement mortar particles, the it can bear high distortion load and reduce the stress, as well as improve the tension and resistance to bending.

3,Improvement of the impact resistance

Redispersible Polymer powder is the thermoplastic resin. The soft covered on the surface of mortar particles can absorb outside force impact that is tensile without damage, so as to improve the impact resistance of mortar.

4,Improvement of the hydrophobicity and reduction of the water absorption

Addition of the Redispersible Polymer powder can improve the microscopic structure of the cement mortar. The polymer forms into the irreversible network during the cement hydrating process. Capillary in the close cement gelation can hold up the water absorption and water penetration. so as to improve the penetration resistance capability.

5,Improvement of the wear resistance and durability

Addition of the Redispersible Polymer powder can intensify the dense grade between the cement mortar particles and polymer film. Strengthening of the boding force correspondingly improves the shearing stress-bearing capacity of the mortar, reduces the wear rate, improve the wear resistance, and prolongs the service life of the mortar.

6,Improvement of the freeze thawing stability and efficient prevention of the cracking of materials

The plasticity function possessed by the thermoplastic resin of Redispersible Polymer powder can overcome the flatulence damage for cement mortar materials brought by temperature difference changes. It can overcome the defects of dry shrinkage and distortion of single cement mortar that is easy to be cracked, and make the material flexible, so as to improve the long stability of materials.

The Different Types of Redispersible Powder

Redispersible powders have become an integral component in the construction industry, especially when it comes to enhancing the properties of materials like tile adhesives, mortars, and other cementitious systems. These powders, when mixed with water, redisperse into their original polymer emulsion form, offering a myriad of benefits to the final product. Let&#;s delve into the different types of redispersible powders and their unique characteristics.

Understanding Redispersible Powders

At its core, a redispersible powder is a polymer emulsion that has undergone spray drying. This process transforms the liquid emulsion into a free-flowing powder form. When this powder is mixed with water, it returns to its original emulsion state, allowing it to impart its beneficial properties to the mixture.

Key Properties Enhanced by Redispersible Powders

One of the primary reasons for the inclusion of redispersible powders in construction materials is their ability to improve rheological properties. This means that they can modify the flow and spread of materials, making them easier to apply and ensuring a smoother finish.

Water resistance is another crucial attribute enhanced by these powders. By incorporating them into the mix, materials like tile adhesives become less susceptible to water damage, ensuring longevity and durability.

Furthermore, bond strength is significantly improved. This ensures that tiles, for instance, adhere more securely to their substrates, reducing the risk of detachment or failure.

The Common Varieties

The market currently offers several types of redispersible polymer powders. Among the most prevalent are:

  1. Ethylene Vinyl Acetate Copolymer (EVA): This type is known for its excellent bond strength and flexibility. It&#;s commonly used in tile adhesives and external thermal insulation systems.
  2. Ethylene/Vinyl Chloride/Vinyl Laurate Terpolymer: This variety is renowned for its water resistance and improved adhesion, especially in environments with high humidity.
  3. Vinyl Acetate/Ethylene/Vinyl Ester of Versatic Acid Terpolymer: This terpolymer is prized for its impact resistance and ability to enhance the glass transition temperature of the material it&#;s added to.

Other Noteworthy Components

Apart from the primary types of redispersible powders, there are other components that play a role in their efficacy. Polyvinyl alcohol, for instance, is often used as a protective colloid during the spray drying process. This ensures that the powder remains free-flowing and doesn&#;t clump together.

In Conclusion

Redispersible powders have undeniably revolutionized the construction industry. Their ability to enhance properties like bond strength, water resistance, and rheological characteristics makes them indispensable in modern construction materials.

For those in the concrete admixture industry, sourcing high-quality raw materials is paramount. At Bisley International, we pride ourselves on supplying top-tier products to meet your needs. Whether you&#;re looking to enhance bond strength, water resistance, or any other property, browse our range of products to find the perfect solution for your requirements.