Dawid Johannes Joubert

Title: The Innovations of Dawid Johannes Joubert

Introduction

Dawid Johannes Joubert is a notable inventor based in Sasolburg, South Africa. He has made significant contributions to the field of polymer chemistry, holding a total of 6 patents. His work primarily focuses on the development of advanced polymer compositions and processes.

Latest Patents

Among his latest patents, Joubert has developed innovative terpolymers and processes of terpolymerization. These terpolymers consist of units derived from ethylene, 1-pentene, and another alpha-olefin containing at least six carbon atoms. Additionally, he has created propylene pentene-1 copolymers, along with a method for their preparation and a composition containing them. This process involves reacting propylene and pentene in a reaction zone at a pressure of 60 kg/cm and a temperature range of 0-100°C for 20-480 minutes, utilizing a Ziegler-Natta catalyst or catalyst system. The resulting polymer composition includes several components, such as the copolymer, a phenolic stabilizer, an organic phosphite stabilizer, a thioether stabilizer, and at least one metal salt of a higher aliphatic acid.

Career Highlights

Joubert has worked with prominent companies in the industry, including Sasol Technology Proprietary Limited and Sasol Technology (Pty) Limited. His experience in these organizations has allowed him to refine his expertise in polymer technology and innovation.

Collaborations

Throughout his career, Joubert has collaborated with several professionals, including Ignatius Hendrik Potgieter and Ioan Tincul. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Dawid Johannes Joubert's contributions to polymer chemistry and his innovative patents highlight his role as a significant inventor in the field. His work continues to influence advancements in polymer technology and applications.