Jean-Francois Agassant

Title: The Innovations of Jean-Francois Agassant

Introduction

Jean-Francois Agassant is a notable inventor based in Vilabonne, France. He has made significant contributions to the field of thermoplastic materials, particularly through his innovative patent related to melt extrusion processes.

Latest Patents

Agassant holds a patent for "Melt extrusion processes and films produced thereby." This invention pertains to a process for melt extruding a film layer of a thermoplastic olefin. The process is designed to extrude the film under specific conditions that avoid draw resonance. The parameters are defined by the Draw ratio Dr and the Aspect ratio A, ensuring optimal performance. The molten polymer is extruded at a Draw ratio of at least 30 in a high elasticity region, with a characteristic time value ranging from 0.001 to 0.6 seconds. The invention also specifies a Deborah number exceeding 0.005 and an A value lower than 0.8. These parameters can be adjusted for different polymer types, showcasing the versatility of Agassant's invention.

Career Highlights

Agassant is associated with ExxonMobil Chemical Patents Inc., where he has been able to apply his expertise in polymer processing. His work has contributed to advancements in the production of thermoplastic films, enhancing their physical characteristics and applications.

Collaborations

Throughout his career, Agassant has collaborated with notable colleagues, including Yves Demay and Francois H Chambon. These partnerships have fostered innovation and development in the field of polymer technology.

Conclusion

Jean-Francois Agassant's contributions to melt extrusion processes exemplify the importance of innovation in material science. His patent reflects a deep understanding of thermoplastic behavior and processing, paving the way for future advancements in the industry.