This inventor holds 1 USPTO granted patent. Top assignee: Changzhou University. Active years: 2024.
Company Filing History:
Years Active: 2024
Title: Innovations of Zenan Ji in Polymer Chemistry
Introduction
Zenan Ji is a prominent inventor based in Changzhou, China. He has made significant contributions to the field of polymer chemistry, particularly in the development of catalysts for copolymerization processes. His innovative work has the potential to impact various industries, including agriculture and packaging.
Latest Patents
Zenan Ji holds a patent for a "Catalyst for copolymerization of carbon dioxide and epoxy and method of manufacturing the same." This invention features a ternary composite catalyst composed of diethylzinc and yttrium trifluoroacetate, which is loaded on chitin. The catalyst is designed for the copolymerization of carbon dioxide, epoxy cyclohexane, and ethylene oxide. It exhibits strong catalytic activity, resulting in a high molecular weight polycarbonate with an average molecular weight of over 100,000 and an ester chain content exceeding 90%. This innovative catalyst can be easily removed through filtration, addressing the issues associated with conventional rare earth ternary catalysts that leave residues in the polymer.
Career Highlights
Zenan Ji is affiliated with Changzhou University, where he continues to advance research in polymer chemistry. His work not only enhances the efficiency of copolymerization processes but also contributes to the development of environmentally friendly materials.
Collaborations
Zenan Ji collaborates with notable colleagues, including Qun Chen and Mingyang He, to further explore advancements in polymer science. Their combined expertise fosters a dynamic research environment that encourages innovation.
Conclusion
Zenan Ji's contributions to the field of polymer chemistry, particularly through his innovative catalyst, demonstrate his commitment to advancing sustainable materials. His work has the potential to revolutionize the production of polymers, making them more efficient and environmentally friendly.