Chang Sun

Title: Chang Sun: Innovator in Electromagnetic Shielding Technology

Introduction

Chang Sun is a prominent inventor based in Wuxi, China. He has made significant contributions to the field of electromagnetic shielding, holding a total of 6 patents. His innovative work focuses on developing materials that enhance electromagnetic shielding properties while also incorporating flame retardant features.

Latest Patents

Chang Sun's latest patents include a paper-based electromagnetic shielding composite with flame retardant properties and its preparation method and application. This invention addresses the technical challenges in electromagnetic shielding by modifying PI fibers with polydopamine and carbon nanotubes. The process involves using a wet papermaking technology to create polyimide fiber paper, followed by an in-situ synthesis method to grow conductive MOFs and polymer PPy on the fiber paper. The resulting composite exhibits excellent mechanical properties, heat resistance, flame retardancy, and electromagnetic shielding performance.

Another notable patent is the electromagnetic shielding paper based on the modification of a conductive MOF material. This method involves reacting polyimide fibers with a precursor solution of the conductive MOF material to obtain modified fibers. These fibers are then mixed with aramid pulp and processed to create a paper-based precursor. The final product demonstrates good conductivity, electromagnetic shielding performance, mechanical properties, and thermal stability.

Career Highlights

Chang Sun has worked with esteemed institutions such as Jiangnan University and Jiangsu Aoshen Hi-tech Materials Co., Ltd. His experience in these organizations has allowed him to refine his expertise in material science and electromagnetic shielding technologies.

Collaborations

Some of his notable coworkers include Changhai Xu and Jinmei Du. Their collaborative efforts have contributed to the advancement of research in electromagnetic shielding materials.

Conclusion

Chang Sun's innovative work in electromagnetic shielding technology showcases his dedication to improving material properties for practical applications. His contributions are paving the way for advancements in this critical field.