Sonja E Stammler

Title: Innovator Spotlight: Sonja E. Stammler – Pioneering Aqueous Polyurethane Dispersions

Introduction: Sonja E. Stammler, based in Marine on the St. Croix, Minnesota, is a prolific inventor with a remarkable portfolio of eight granted patents. Her innovative work primarily focuses on the development of stable aqueous polyurethane dispersions, which have significant applications in various industries, particularly in adhesives and coatings.

Latest Patents: Stammler's recent inventions showcase her expertise in creating stable formulations that enhance product performance. One notable patent involves the formulation of a stable aqueous polyurethane dispersion that includes a reaction product of a water-dispersible isocyanate-terminated polyurethane prepolymer and an aqueous polyurethane dispersion. This invention provides an efficient method for producing these dispersions, which are vital for use in adhesives, coatings, binders, primers, and sizers.

Another important patent by Stammler focuses on aqueous polyurethane dispersions created from polyisocyanates, particularly norbornane diisocyanate. This innovation leads to polymer dispersions that offer enhanced bond strength under thermal and mechanical stress conditions. Furthermore, the resulting polymers demonstrate superior adhesion compared to those made from cycloaliphatic diisocyanates, thus showcasing Stammler's contribution to advancing material science.

Career Highlights: Sonja E. Stammler is associated with H.B. Fuller Licensing & Financing Inc., a leading company in adhesives and specialty coating solutions. Over her career, she has demonstrated a strong commitment to innovation, resulting in a significant number of patents that emphasize her expertise and contributions to the field of polymer chemistry.

Collaborations: Throughout her career, Stammler has collaborated with notable professionals in her field, including colleagues Youlu Duan and Yi Wei. These collaborations have enabled her to engage in deep research and development, leading to groundbreaking advancements in polyurethane technologies.

Conclusion: Sonja E. Stammler's contributions to the field of aqueous polyurethane dispersions have made a significant impact on the industry. Her innovative spirit and dedication to advancing material properties continue to drive progress in adhesive technologies and beyond. As she furthers her research, the potential for her inventions to revolutionize various applications remains promising.