Keqing Han

Keqing Han is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of materials science, particularly in the development of advanced carbon fibers. With a total of 5 patents to his name, Han's work focuses on improving the production processes and properties of polyacrylonitrile fibers.

Latest Patents

Han's latest patents include innovative processes for producing carbon fiber and pre-oxidized fiber. One notable embodiment involves the gel spinning of polyacrylonitrile filament using a small-molecule gelling agent, resulting in carbon fibers with increased tensile strength by 15% to 40% and improved toughness by 20% to 35%. Another embodiment utilizes imidazole type ionic liquid as a plasticizer in the melt spinning process, which not only reduces environmental pollution but also enhances the strength of the produced fibers. Additionally, Han has developed methods for low-cost and controllable pre-oxidization of polyacrylonitrile, which minimizes the skin-core structure and significantly reduces the production costs of high-performance carbon fibers.

Career Highlights

Keqing Han is affiliated with Donghua University, where he continues to advance research in fiber technology. His work has garnered attention for its practical applications in industrial production, making significant strides in the field of sustainable materials.

Collaborations

Han collaborates with notable colleagues, including Muhuo Yu and Huaiping Rong, who contribute to his research endeavors and innovations in fiber technology.

Conclusion

Keqing Han's innovative work in the field of carbon fiber production exemplifies the impact of research and development in materials science. His contributions not only enhance the properties of fibers but also promote environmentally friendly production methods.