Jin Hwa Chang

Title: Innovations of Jin Hwa Chang

Introduction

Jin Hwa Chang is a notable inventor based in Gunpo-si, South Korea. He has made significant contributions to the field of polymer chemistry, particularly in the development of innovative materials. With a total of 2 patents to his name, Chang's work focuses on enhancing the properties and applications of polyurethane foams and lignin derivatives.

Latest Patents

Chang's latest patents include a "Rigid polyurethane foam and preparation method thereof." This invention involves a rigid polyurethane foam that is a polymerization product of a composition including concentrated acid hydrolytic lignin, a polyol, and an isocyanate. The method of preparing this rigid polyurethane foam is designed to improve its performance and sustainability. Another significant patent is the "Method for preparing low-molecular lignin derivative." This method outlines a process for preparing a low-molecular lignin derivative by hydrolyzing lignocellulosic biomass with an acid, followed by a series of mixing and recovery steps.

Career Highlights

Jin Hwa Chang is currently employed at CJ Cheiljedang Corporation, where he continues to innovate and develop new materials. His work at the company has positioned him as a key player in the field of polymer research and development.

Collaborations

Chang collaborates with talented coworkers, including Min Ho Jung and Sun Joo Moon, who contribute to his research efforts and help drive innovation within the company.

Conclusion

Jin Hwa Chang's contributions to the field of polymer chemistry through his patents and work at CJ Cheiljedang Corporation highlight his role as an influential inventor. His innovative approaches to materials science continue to pave the way for advancements in sustainable and high-performance products.