Wilfried Kalkner

Title: Wilfried Kalkner: Innovator in Semiconductive Polymer Compositions

Introduction

Wilfried Kalkner is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of materials science, particularly in the development of semiconductive polymer compositions. His innovative work has implications for various applications, including electric power cables.

Latest Patents

Kalkner holds a patent for a semiconductive polymer composition. This invention relates to a composition comprising an olefin homo- or copolymer. The composition exhibits a direct current volume resistivity of less than 1000 Ohm·cm at 90° C. Additionally, it maintains an elongation at break that does not change by more than 25% after aging for 240 hours at 135° C. The total number of structures in the SIED test is 20 or less. Furthermore, the invention includes an electric power cable that features a conductor, a semiconducting layer formed by the semiconductive polymer composition, and an adjacent insulation layer.

Career Highlights

Wilfried Kalkner is associated with Borealis Technology Oy, where he continues to advance his research and development efforts. His work has positioned him as a key figure in the field of polymer technology.

Collaborations

Kalkner has collaborated with notable colleagues, including Perry Nylander and Alfred Campus. These partnerships have fostered innovation and contributed to the success of his projects.

Conclusion

Wilfried Kalkner's contributions to semiconductive polymer compositions highlight his role as an influential inventor in the field. His patent and ongoing work at Borealis Technology Oy demonstrate his commitment to advancing technology in materials science.