Donald Leonidas Henry

Title: Innovations by Donald Leonidas Henry

Introduction

Donald Leonidas Henry is a notable inventor based in Elkton, MD (US). He has made significant contributions to the field of thermoplastic resins, holding 2 patents that showcase his innovative approach to material science.

Latest Patents

Henry's latest patents include a two-part nucleating agent system and advancements in high-speed extrusion. The two-part nucleating agent system is a foam cell nucleating agent that combines sulfonic or phosphonic acid or salt thereof with an inorganic salt containing a polyatomic anion. This innovative combination yields improved foaming of thermoplastic resins such as polyolefins and melt-fabricable fluoropolymers. Additionally, his work on high-speed extrusion focuses on enhancing the extrusion theology of thermoplastic polymer. By incorporating foam cell nucleating agents into the polymer and extruding it under laminar flow, he has improved the surface smoothness of the resulting unfoamed extrudate.

Career Highlights

Henry is currently associated with E.I. du Pont de Nemours and Company, where he continues to push the boundaries of polymer technology. His work has been instrumental in advancing the applications of thermoplastic materials in various industries.

Collaborations

Throughout his career, Henry has collaborated with esteemed colleagues such as Marlin D. Buckmaster and Stuart Karl Randa. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Donald Leonidas Henry's contributions to the field of thermoplastic resins exemplify the spirit of innovation. His patents reflect a deep understanding of material science and a commitment to advancing technology in practical applications.