Uwe Stapperfenne

Title: Uwe Stapperfenne: Innovator in Polyurethane Technologies

Introduction

Uwe Stapperfenne is a notable inventor based in Wülfrath, Germany. He has made significant contributions to the field of polyurethane technologies, holding a total of 4 patents. His work focuses on enhancing the properties and applications of polyurethane materials, particularly in composite structures.

Latest Patents

Stapperfenne's latest patents include innovative processes for producing polyurethane prepregs with controllable tack. This invention addresses the challenge of achieving high storage stability at room temperature while allowing for adjustable adhesion on metal surfaces. The process involves a two-stage reaction mechanism that ensures the glass transition temperature of the thermoplastic polymer is above 30°C.

Another significant patent involves a hybrid component part that features local stiffening made from a two-stage-crosslinked polyurethane-based fiber composite material. This technology enables cost-effective local stiffening of metal parts, enhancing their structural integrity while maintaining good adhesion to metal surfaces. The thermoplastic polymer can be further formed with the attached thermoplastic material, which is then thermosettingly cured to achieve final stiffness.

Career Highlights

Uwe Stapperfenne is currently employed at Evonik Degussa GmbH, where he continues to innovate in the field of polymer technology. His expertise in polyurethane formulations has positioned him as a key player in developing advanced materials for various applications.

Collaborations

Throughout his career, Stapperfenne has collaborated with talented coworkers, including Sandra Reemers and Markus Hallack. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Uwe Stapperfenne's contributions to polyurethane technology demonstrate his commitment to innovation and excellence in material science. His patents reflect a deep understanding of the complexities involved in polymer chemistry and its applications in modern engineering.