Sang-Doo Ahn

Title: Innovations of Sang-Doo Ahn in Norbornene Polymer Technology

Introduction

Sang-Doo Ahn is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of polymer chemistry, particularly in the development of norbornene-based materials. With a total of 2 patents, his work focuses on innovative methods for producing high-performance polymers.

Latest Patents

Sang-Doo Ahn's latest patents include a method for producing norbornene monomer composition and the corresponding norbornene polymer. This invention also encompasses an optical film that incorporates the norbornene polymer. The method involves reacting a solution containing cyclopentadiene, dicyclopentadiene, or a mixture of both, along with an acetate compound and a solvent. By controlling variables such as reaction temperature and time, the process ensures that the exo isomer content is maintained at 50 mol % or more. This innovation allows for the industrial production of acetate norbornene addition polymers.

Another notable patent is related to a norbornene-ester based addition polymer. This polymer features a molecular weight greater than 20,000 and includes more than 50 mol % of exo norbornene-ester monomer as a repeating unit. The resulting polymer is transparent, exhibits a low dielectric constant, and possesses excellent thermal stability and strength. It is suitable for various applications, including optical films and insulating materials.

Career Highlights

Sang-Doo Ahn is currently employed at LG Chem, Ltd., a leading chemical company known for its innovative materials and technologies. His work at LG Chem has positioned him as a key player in the advancement of polymer science.

Collaborations

Throughout his career, Sang-Doo Ahn has collaborated with notable colleagues, including Sung-Ho Chun and Won-Kook Kim. These collaborations have further enhanced the research and development of new polymer technologies.

Conclusion

Sang-Doo Ahn's contributions to norbornene polymer technology demonstrate his expertise and innovative spirit in the field of polymer chemistry. His patents reflect a commitment to advancing materials that have significant industrial applications.