Johanna G Kersjes

Title: Johanna G Kersjes: Innovator in Flame Retardant Technologies

Introduction

Johanna G Kersjes is a notable inventor born in the Netherlands. She has made significant contributions to the field of flame retardant technologies, holding a total of 2 patents. Her work focuses on the development of polyphosphate salts of 1,3,5-triazine compounds, which are essential in enhancing the safety of polymer compositions.

Latest Patents

Kersjes' latest patents include innovative processes for creating polyphosphate salts of 1,3,5-triazine compounds with a high degree of condensation. One of her patents describes a salt of a 1,3,5-triazine compound with polyphosphoric acid, characterized by a virtually linear structure. The number average degree of condensation in her formulations is higher than 20, with the content of the 1,3,5-triazine compound exceeding 1.1 mole per mole of phosphorus atom. Additionally, the pH of a 10% slurry in water is maintained above 4.5. Her processes involve converting a 1,3,5-triazine compound with orthophosphoric acid at room temperature, followed by heating to produce the polyphosphate salt, which is then utilized in flame retardant polymer compositions.

Career Highlights

Throughout her career, Kersjes has worked with prominent companies such as Ciba Specialty Chemicals Corporation and DSM N.V. Her experience in these organizations has allowed her to refine her expertise in chemical innovations and patent development.

Collaborations

Kersjes has collaborated with various professionals in her field, including her coworker Renier H M Kierkels. These partnerships have contributed to her success and the advancement of her research.

Conclusion

Johanna G Kersjes is a pioneering inventor whose work in flame retardant technologies has made a significant impact on the safety of polymer materials. Her innovative patents and career achievements highlight her dedication to advancing chemical engineering and safety standards.