Dennis R Schafluetzel

Title: Innovations of Dennis R Schafluetzel

Introduction

Dennis R Schafluetzel is a notable inventor based in Hixson, TN (US). He has made significant contributions to the field of materials science, particularly in the development of hollow nylon filaments and yarns. With a total of 3 patents to his name, Schafluetzel's work has advanced the technology used in the production of nylon materials.

Latest Patents

Schafluetzel's latest patents focus on a melt spinning process for creating hollow nylon filaments and yarns. This innovative process involves extruding molten nylon polymer with specific properties, including a relative viscosity (RV) of at least about 50 and a melting point (T.sub.M) ranging from about 210°C to about 310°C. The process utilizes a spinneret capillary orifice with multiple segments to achieve a precise extrusion area and void content. The resulting filaments exhibit unique characteristics, including at least one longitudinal void and a controlled residual draw ratio.

Career Highlights

Throughout his career, Schafluetzel has been associated with E.I. DuPont de Nemours and Company, where he has contributed to various projects and innovations. His expertise in polymer science has positioned him as a key figure in the development of advanced nylon materials.

Collaborations

Some of Schafluetzel's notable coworkers include James P Bennett and Benjamin H Knox. Their collaborative efforts have further enhanced the research and development of nylon filament technologies.

Conclusion

Dennis R Schafluetzel's contributions to the field of nylon materials through his innovative patents have had a lasting impact on the industry. His work continues to influence advancements in materials science and engineering.