EVA production and application
The production of EVA (ethylene vinyl acetate) is an important process in the chemical industry, which involves the synthesis and processing of this polymer to create various products. EVA is a thermoplastic polymer that has high elasticity, transparency and resistance to UV radiation.
1. Raw materials and components.
The main components for EVA production are ethylene and vinyl acetate. The main components for EVA production are ethylene and vinyl acetate. When manufacturing our RollBoard® products, we carefully monitor the quality of the purchased raw materials. We only work with global market leaders. These two substances polymerize in different ratios, which makes it possible to obtain materials with different properties. The vinyl acetate content in the polymer can vary from 10% to 40%, which affects the elasticity and strength of the final product.
2. Polymerization process.
The EVA production process includes several stages: Synthesis: Ethylene and vinyl acetate undergo polymerization. This can occur in both the gas and liquid phases. Various compounds such as peroxides or metal-based catalytic systems can be used as catalysts.
Washing and purification: The resulting polymer is cleaned of catalyst residues and by-products. This is necessary to achieve high quality standards.
Molding: After cleaning, EVA can be processed into various shapes — granules, films or other products. This is achieved through extrusion, injection molding, or other processing methods.
3. EVA Application.
EVA is widely used in various industries.:
Packaging: Due to its transparency and flexibility, EVA is used for the production of packaging materials.
Shoe industry: EVA is often used in the manufacture of shoe soles due to its lightness and shock-absorbing properties.
Construction: Used in the production of thermal insulation materials and as a component in building resins.
Electronics: EVA is used to create protective films and components in electronics.
4. Environmental aspects.
When manufacturing EVA, it is important to take into account environmental aspects. Modern technologies strive to minimize emissions and waste, as well as use recycled materials. This makes the process more sustainable and safer for the environment.
EVA production is a high—tech process that requires precise control at all stages. Due to its unique properties, RollBoard® continues to find new applications, making it an important material in today's world.