Yi Wei

Title: Inventor Yi Wei: Innovating in Water-Based Polymer Technology

Introduction

Yi Wei, an accomplished inventor based in Saint Paul, MN, has made significant contributions to the field of polymer science, particularly focusing on water-based polymers. With a portfolio of five patents, Yi Wei demonstrates a commitment to innovation and sustainability through his groundbreaking inventions.

Latest Patents

Yi Wei's recent patents showcase his expertise in developing advanced polymer compositions. One of his notable inventions is titled "Water-based sulfonated polymer compositions." This patent describes a method for preparing sulfonated polymer compositions by reacting water dispersible isocyanate-terminated polyurethane prepolymers with aqueous polyvinyl dispersions containing active hydrogen atoms. The invention also introduces a water-based sulfonated polyurethane polyvinyl hybrid latex, which serves as a seed for polymerization of ethylenically unsaturated monomers. The resulting compositions are characterized by enhanced mechanical and adhesion properties, and they can develop interpenetrating polymer networks or core-shell structures.

Another of Yi Wei's significant inventions is the patent for "Stable aqueous polyurethane dispersions." This patent outlines a stable formulation comprising a reaction product of water dispersible isocyanate-terminated polyurethane prepolymer and an aqueous polyurethane dispersion. The method involves dispersing the prepolymer in the aqueous dispersion and reacting it to achieve a product that is substantially free of isocyanate. These innovative dispersions find applications in adhesives, coatings, binders, primers, and sizers.

Career Highlights

Yi Wei is currently employed at H.B. Fuller Licensing & Financing Inc., where he continues to push the boundaries of polymer innovation. His role within the company allows him to translate his inventive ideas into practical solutions that benefit various industries.

Collaborations

Throughout his career, Yi Wei has collaborated with talented individuals such as Youlu Duan and Yuduo Zhu. Together, they have contributed to advancements in polymer technology, fostering a spirit of innovation and collaboration within their work environment.

Conclusion

In conclusion, Yi Wei stands out as a prominent inventor whose work in water-based polymer technology significantly influences the field. With his five patents and ongoing research, Yi Wei exemplifies the spirit of innovation that drives advancements in material science. His contributions not only enhance product performance but also align with sustainable practices, paving the way for future developments in the industry.