Monika Johannes

Title: Monika Johannes: Innovator in Polysiloxane Technology

Introduction

Monika Johannes is a prominent inventor based in Essen, Germany. She has made significant contributions to the field of polysiloxane technology, particularly through her innovative processes that enhance the properties of these materials. Her work is characterized by a commitment to advancing chemical processes that have practical applications in various industries.

Latest Patents

Monika Johannes holds a patent for a process titled "Increasing the molecular weight of low molecular weight alpha,omega-polysiloxanediols." This process involves heating low molecular weight α,ω-polysiloxanediols in the presence of acetic anhydride at temperatures ranging from 80° C. to 220° C. The preferred temperature range is between 100° C. and 200° C., with optimal results achieved at 120° C. to 180° C. The process duration can vary from 1 hour to 24 hours, with a preference for 2 to 16 hours, and particularly 3 to 12 hours. Importantly, the molar amount of silanol groups used exceeds that of the acetic anhydride.

Career Highlights

Monika Johannes is currently employed at Evonik Operations GmbH, where she continues to develop her expertise in chemical processes. Her work at Evonik has allowed her to collaborate with leading professionals in the field, further enhancing her contributions to innovation in polysiloxane technology.

Collaborations

Monika has worked alongside notable colleagues such as Berend-Jan De Gans and Philippe Favresse. Their collaborative efforts have played a crucial role in advancing research and development within their organization.

Conclusion

Monika Johannes stands out as a key figure in the field of polysiloxane technology, with her innovative processes paving the way for advancements in material science. Her dedication to research and collaboration continues to drive progress in her field.