Werner Prass

Title: Innovations and Contributions of Werner Prass in Adhesive Technology

Introduction

Werner Prass, based in Mainz, Germany, is a notable inventor with a prolific portfolio comprising 20 patents. His innovative work primarily revolves around the field of adhesive technology, showcasing a commitment to advancing materials that enhance bonding methods in various applications.

Latest Patents

Among his latest patents, Prass has developed "Water-resistant adhesives, their preparation and use." This invention details an aqueous dispersion adhesive derived from an aqueous polymer dispersion. The formulation includes at least one emulsion polymer with small amounts of crosslinkable N-methylol groups, at least one protective colloid, and a crosslinking agent. The crosslinking agent is selected from a specialized group, including hydroxymethylated cyclic ethyleneureas and hydroxymethylated bicyclic glyoxal diureas, which are crucial in creating bonds for porous and semiporous substrates.

Another significant contribution is in the "Process for preparing polyvinyl alcohol stabilized solvent-resistant polyvinyl ester dispersions." This patent addresses the preparation of heterogeneous, water-resistant dispersions that possess a film-forming temperature below 10°C. The process elaborates on forming a homo- or copolymer with a glass transition temperature exceeding 20°C through seed polymerization utilizing vinyl esters of carboxylic acids.

Career Highlights

Throughout his career, Prass has collaborated with leading industry players, including Hoechst Aktiengesellschaft and Celanese Emulsions GmbH. His work within these companies has further expanded the horizons of adhesive technology, allowing for innovative approaches to complex bonding challenges faced in manufacturing and construction sectors.

Collaborations

Werner Prass has teamed up with various professionals in his field, notably Ude Scheunemann and Donald Lupo. Their collaborative efforts likely contributed to the rich development of adhesive products, enhancing their functionality and expanding their application range.

Conclusion

Werner Prass is a distinguished inventor whose contributions have significantly impacted adhesive technology. With a robust patent portfolio, his innovations reflect a commitment to improving material applications and functionality in real-world scenarios. His ongoing work continues to inspire future advancements in adhesive formulations and processes.