Chi C Lee

Title: Innovations by Chi C Lee

Introduction

Chi C Lee is an accomplished inventor based in Richmond, VA, known for his significant contributions to the field of materials science. He holds a total of 4 patents, showcasing his innovative approach to developing advanced materials.

Latest Patents

One of his latest patents is for a process to produce high-grade polyethylene paper using conventional continuous wet-lay papermaking equipment. This innovative process involves preparing a furnish of 75-99 wt. % oriented polyethylene pulp, 0.5-15 wt. % fibrous stabilizing agent, and 0.5-10 wt. % strengthening agent. The resulting waterleaf sheet is dried on heated drying cans and thermally bonded, yielding a high-grade polyethylene paper with exceptional properties, particularly useful in microfiltration applications such as vacuum cleaner bags. Another notable patent involves the creation of lightweight nonwoven sheets made from polyethylene plexifilamentary film-fibril strands. This is achieved through a stretching-and-bonding operation, resulting in sheets that possess a unique combination of opacity, X-ray scattering, and physical characteristics, making them ideal for sterile packaging, lightweight envelopes, and surgical drapes.

Career Highlights

Chi C Lee is associated with E.I. DuPont De Nemours and Company, where he has made significant strides in material innovation. His work has not only advanced the capabilities of polyethylene materials but has also contributed to various industrial applications.

Collaborations

Throughout his career, Chi has collaborated with notable colleagues, including Richard E Ludwig and Robert J Evans, further enhancing the impact of his inventions.

Conclusion

Chi C Lee's innovative work in the field of materials science, particularly in developing high-grade polyethylene products, demonstrates his commitment to advancing technology. His contributions continue to influence various industries, showcasing the importance of innovation in material development.