RDP (Redispersible Polymer Powder) is a fine chemical widely used in construction, coatings, ceramics, glass and other industries. Here's a more detailed look at the  RDP:

Composition and structure

RDP is mainly composed of high molecular weight polymer, protective colloid, filler and additive. Among them, the high molecular weight polymer provides adhesion and mechanical properties, and the protective colloid prevents the polymer particles from adhering during the drying process, while ensuring the fluidity of the product. Commonly used protective colloid include ethylene/vinyl acetate copolymer (EVA), polyvinyl alcohol (PVA), etc. The filler is usually inorganic powder, such as silicate, carbonate, etc., which can adjust the density, hardness and insulation properties of the product. Additives include dispersant, leveling agent, defoamer, etc., used to improve the processing performance and performance of the product.

Preparation method

The preparation methods of Redispersible Polymer Powder RDP include sol-gel method, emulsion polymerization method and spray drying method. Among them, spray drying method is the most commonly used preparation method, the polymer solution through the spray drying tower for spray drying, to obtain powder products. During the preparation process, temperature, pressure, structure of spray drying tower and other parameters should be controlled to ensure product quality and stability.

Product characteristics

RDP has excellent redispersibility and stability, which can dissolve quickly in water and form a uniform dispersion solution. The products have high bond strength and mechanical properties, which can meet the requirements of various application fields. At the same time, RDP also has good processing performance and use performance, such as easy to stir, mix and disperse, can adapt to different construction conditions and process requirements. In addition, the product also has non-toxic, environmental protection characteristics, in line with the relevant countries and regions of the environmental protection regulations.

Application field

RDP is widely used in construction, coatings, ceramics, glass and other fields. In the field of construction, RDP is mainly used in the manufacture of building materials such as gypsum board, tile binders, interior and exterior coatings, providing excellent adhesion and mechanical properties to improve the safety and durability of buildings. In the field of coatings,RDP can be used to manufacture a variety of water-based coatings, such as latex paint, water-based wood paint, etc., providing good leveling, water resistance and weather resistance. In the field of ceramics and glass, RDP can be used to manufacture materials such as ceramic tiles and glass fibers to improve the hardness and durability of materials.

Storage and transportation

RDP should be stored in a cool and dry place, away from direct sunlight and humid environment. Severe vibration and friction should be avoided during transportation to prevent the product from caking and performance degradation. Before use, check whether the product package is in good condition, and deal with it in time if it is damaged.

In conclusion, RDP is an important fine chemical, which has a wide range of applications and good prospects for development. Understanding the information of its ingredients, preparation methods, product characteristics and application fields helps to better use the product and improve the technical level and product quality of related industries.

More Information about ZHICHENG Products:

1.  Products classification: ZCP grades(unmodified products with surface treatment or not) ZC grades(highly modified products)

2.  Viscosity range: 50~54,000 mpa. s(Brookfield RV) or 50~200,000 mpa. s(NDJ/Brookfield LV)

3.  Quality stability: ZHICHENG apply "half-done products management" which ensures the most stability of our products' quality.

4.  Unmodified products: Higher purity, better performance and more stable

5.  Highly modified products: Imported technology offers better properties like water retention, slip resistance, crack resistance, longer open time, etc.  Widely used in Tile adhesives, Wall Putty, Mortars, Gypsum based products, etc.

6.  Products traceability: We keep samples for each batch No.  products for 2 years to track any quality problem raised by customers.

7.  R&D center: We have a world-class  R&D center to ensure the most professional technical support to our customers.

ZHICHENG New Materials is an excellent exporter of HPMC for tile adhesive, ceramic tile adhesive, tile adhesive mortar, good water retention, longer open time, slip resistance, better workability in China, which is also a professional manufacturer and supplier.  Our factory has been focused on the production of high quality cellulose ethers products of industrial grade and construction grade for years.  If you need such products and don't know where to buy, come and contact us.  We will offer you competitive price and professional services.

ZHICHENG always aim to offer customers: The Most Cost/Effective Products.

If you are interested in our products, please contact us without hesitation.

Email:sales@zcchem.top