Chemistry

Evonik's polybutadienes, marketed under the trade name POLYVEST®, include a range of stereospecific, low viscous, and unsaponifiable liquid polybutadienes. These products vary in chemical composition and include non-functionalized, maleic anhydride-functionalized, and hydroxyl-terminated grades. The non-functionalized grades are manufactured by Ziegler-Natta polymerization, while the hydroxyl-terminated grades are produced by radical polymerization. These polybutadienes offer various crosslinking options, such as sulfur curing and oxidative drying, making them versatile for applications in adhesives and sealants

Evonik's specialty acrylics offer a diverse range of methacrylic products. These are designed for various industries, including food packaging, medical and ceramics applications, orthopedics manufacturing, and more. The product portfolio includes functional methacrylic and hybrid polymers available as organic solutions, organic dispersions, and water-based dispersions, catering to specific needs like heat sealing.

Evonik's copolyesters, marketed under the trade name DYNACOLL® S, are high molecular weight thermoplastic polymers. These copolyesters are versatile, offering various grades that differ in melting point, crystallinity, hardness, and setting time. They are used in a wide range of applications, including thermoplastic hot melt and solvent-based products. The DYNACOLL® S series is available in crystalline and amorphous forms, typically supplied as granules

Evonik offers tailor-made polyester polyols under the trade name DYNACOLL®. These polyols are designed as a building block system comprising amorphous, liquid, and crystalline grades. They feature primary hydroxyl functionality and medium molecular weight, making them suitable for various applications. The DYNACOLL® Terra series includes bio-based polyesters made from renewable raw materials, with renewable monomer content ranging from 30 to 100 percent