Werner Rufenacht

Title: Werner Rufenacht: Innovator in Polyurethane and Epoxy Resin Compositions

Introduction

Werner Rufenacht is a notable inventor based in Marly, Switzerland. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced polyurethane and epoxy resin compositions. With a total of five patents to his name, Rufenacht's work has had a substantial impact on the industry.

Latest Patents

Rufenacht's latest patents include innovative formulations such as phenol-terminated polyurethane or polyurea with epoxy resin. These compositions feature a copolymer based on at least one 1,3-diene and a polar, ethylenically unsaturated comonomer, combined with a phenol-terminated polyurethane or polyurea. The resulting cured products exhibit high peel strength and resistance to crack propagation, making them suitable for use as structural adhesives. Another notable invention involves a liquid copolymer based on butadiene and a polar comonomer, which can be used in combination with epoxy resins to manufacture structural adhesives or sealing compounds.

Career Highlights

Rufenacht has spent a significant portion of his career at Ciba-Geigy Corporation, where he has been instrumental in advancing the company's research and development efforts in polymer chemistry. His innovative approaches have led to the creation of high-performance materials that are widely used in various applications.

Collaborations

Throughout his career, Rufenacht has collaborated with esteemed colleagues such as Rolf Mulhaupt and Jeremy H Powell. These partnerships have fostered a collaborative environment that has enhanced the quality and scope of their research.

Conclusion

Werner Rufenacht's contributions to the field of polymer chemistry, particularly in the development of polyurethane and epoxy resin compositions, have established him as a leading inventor in his domain. His innovative patents continue to influence the industry and pave the way for future advancements.