Shiyong Yang

Title: Innovations of Shiyong Yang: A Pioneer in Polyimide Films and Flame Retardants

Introduction

Shiyong Yang is a notable inventor based in Beijing, China. He has made significant contributions to the field of materials science, particularly in the development of advanced polyimide films and flame retardants. With a total of two patents to his name, Yang's work showcases his innovative approach to solving complex engineering challenges.

Latest Patents

Yang's latest patents include a method for preparing polyimide films and a phosphorus-silicon synergistic flame retardant. The polyimide film preparation method involves creating a colorless transparent film with low thermal expansion. This film is produced by mixing rigid aromatic diamine and fluorine-containing aromatic diamine, along with rigid aromatic tetracarboxylic dianhydride and fluorine-containing aromatic tetracarboxylic dianhydride. The resulting film exhibits excellent transparency and is suitable for applications in flexible optoelectronic display substrates, flexible printed circuit boards, and electronic packaging substrates.

The second patent focuses on a phosphorus-silicon synergistic flame retardant. This innovative compound is synthesized using an organic boron catalyst and involves the addition reaction of diphenyl phosphine oxide with silicone containing carbon-carbon double bonds. The resulting flame retardant demonstrates hydrolytic resistance, easy purification, and low synthesis costs. Both phosphorus and silicon in the molecular structure enhance the flame retardant properties of common polymeric materials.

Career Highlights

Shiyong Yang is affiliated with the Chinese Academy of Sciences, where he conducts research and development in advanced materials. His work has garnered attention for its practical applications and contributions to safety in material usage.

Collaborations

Yang collaborates with esteemed colleagues, including Tao Song and Jingang Liu, to further advance research in his field. Their combined expertise fosters innovation and enhances the impact of their work.

Conclusion

Shiyong Yang's contributions to the fields of polyimide films and flame retardants highlight his role as a leading inventor in materials science. His innovative patents reflect a commitment to advancing technology and improving safety in various applications.