SangHwan Lee

Title: Innovations of SangHwan Lee

Introduction

SangHwan Lee is a notable inventor based in Suwon-si, South Korea. He has made significant contributions to the field of polymer chemistry, particularly in the development of flame-retarding materials. With a total of 3 patents to his name, his work is recognized for its innovative approach to enhancing material properties.

Latest Patents

One of SangHwan Lee's latest patents is focused on a flame-retarding carbon dioxide/epoxide copolymer and the method for preparing it. This invention provides a method for creating a low-molecular weight poly(alkylene carbonate) with precisely controlled molecular weight and chain shape. The process involves introducing a phosphorous compound with a hydroxyl group as a chain transfer agent during the alternating copolymerization of an epoxide compound and carbon dioxide. The use of a trivalent metal complex prepared from a Salen type ligand containing a quaternary ammonium salt is also integral to this method. The resulting polymer includes a phosphate or phosphonate group in its chain, imparting flame-retarding properties.

Career Highlights

SangHwan Lee is currently employed at Sk Innovation Co., Ltd., where he continues to push the boundaries of polymer research. His work has not only advanced the understanding of polymer chemistry but has also contributed to the development of safer materials for various applications.

Collaborations

SangHwan Lee collaborates with talented individuals such as Jisu Jeong and SungJae Na, who contribute to the innovative environment at Sk Innovation Co., Ltd. Their teamwork fosters creativity and drives the development of groundbreaking technologies.

Conclusion

SangHwan Lee's contributions to the field of polymer chemistry, particularly through his innovative patents, highlight his role as a leading inventor in the industry. His work continues to influence the development of advanced materials with enhanced properties.