David P Harper

Title: David P Harper: Innovator in Carbon Fiber and Polyester Blends

Introduction

David P Harper is a notable inventor based in Maryville, TN (US). He has made significant contributions to the fields of carbon fibers and polyester blends, holding a total of 3 patents. His work focuses on innovative methods that enhance material properties and sustainability.

Latest Patents

One of Harper's latest patents is a method of producing carbon fibers and carbon fiber composites from plant-derived lignin and its blends. This patent describes carbon fiber composites that utilize lignin carbon fibers derived from organosolv lignin obtained from single-source lignocellulosic feedstocks or combinations of such feedstocks. The patent also outlines methods for preparing these carbon fiber composites. Another significant patent involves plasticized terephthalate-based polyester blends containing fatty acids or esters. This invention details a plasticized polyester blend that comprises a terephthalate-based polyester, such as polyethylene terephthalate (PET), blended with a fatty acid or ester in amounts ranging from 1-50 wt %. The method for producing this blend involves melt mixing at temperatures between 230-250°C.

Career Highlights

David P Harper has worked with the University of Tennessee Research Foundation and Tennera, LLC. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in material science.

Collaborations

Throughout his career, Harper has collaborated with notable individuals such as Joseph Bozell and Nicole Labbe. These partnerships have fostered a creative environment that has led to the development of his impactful inventions.

Conclusion

David P Harper is a distinguished inventor whose work in carbon fibers and polyester blends showcases his commitment to innovation and sustainability. His patents reflect a deep understanding of material properties and their applications in modern technology.