J Mark Cox

Title: J Mark Cox: Innovator in Thermoplastic Polyurethane Technology

Introduction

J Mark Cox is a notable inventor based in Lake Jackson, TX (US). He has made significant contributions to the field of materials science, particularly in the development of thermoplastic polyurethanes (TPUs). His innovative work has led to the creation of a unique TPU that offers a combination of desirable properties.

Latest Patents

Cox holds a patent for a transparent thermoplastic polyurethane containing structural units of polyester and polyether diols. The patent describes a TPU that comprises a diisocyanate, a polyester diol, a specific polyether diol, and a chain extender. This TPU exhibits excellent light transmission and clarity, tensile strength, low-temperature flexibility, and high moisture vapor transition rates compared to other commercial TPUs. A preferred composition includes MDI as the diisocyanate monomer, polycaprolactone as a polyester diol, an EO capped EO/PO polyether diol with less than 20% EO, and butanediol as the chain extender. These components work together to enhance clarity, tensile strength, hydrolytic stability, and processability.

Career Highlights

Cox is currently employed at Lubrizol Advanced Materials, Inc., where he continues to innovate in the field of thermoplastic materials. His work has positioned him as a key figure in the development of advanced TPU technologies.

Collaborations

Throughout his career, Cox has collaborated with notable colleagues, including Mark F Sonnenschein and Hanno R Van Der Wal. These collaborations have contributed to the advancement of TPU technology and have fostered a productive research environment.

Conclusion

J Mark Cox's contributions to the field of thermoplastic polyurethanes demonstrate his innovative spirit and commitment to advancing materials science. His patent for a unique TPU composition highlights the potential for improved performance in various applications.