Sun Woo Cheen

Title: Innovations of Sun Woo Cheen

Introduction

Sun Woo Cheen is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of materials science, particularly in the development of modified asphalt compositions and styrenic block copolymers. With a total of 3 patents to his name, Cheen's work has implications for both construction and adhesive technologies.

Latest Patents

One of his latest patents is titled "Asphalt compositions modified by styrenic block copolymer and vegetable wax." This invention discloses a modified asphalt composition that includes a styrenic block copolymer and a vegetable wax as a modifier. The modified composition exhibits lower viscosity at high temperatures compared to traditional asphalt compositions, allowing for manufacturing and application at lower temperatures. Additionally, it demonstrates higher ductility at low temperatures, which helps minimize fatigue cracking in cold weather conditions.

Another significant patent is "Unbalanced multi-block SBS and method for the preparation thereof." This invention relates to an unbalanced multi-block styrene-butadiene-styrene (SBS) copolymer. The copolymer exhibits excellent processability in the preparation of hot-melt adhesives, significantly reducing processing hours. It also showcases good adhesive properties, including initial loop tack, 180° peel strength, and holding power, while maintaining a normal level of heat resistance.

Career Highlights

Sun Woo Cheen is currently employed at Korea Kumho Petrochemical Co., Ltd., where he continues to innovate in the field of polymer chemistry. His work has not only advanced the understanding of asphalt compositions but has also contributed to the development of more efficient adhesive materials.

Collaborations

Throughout his career, Cheen has collaborated with several talented individuals, including Nam Hoon Baik and Seung Il Kim. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Sun Woo Cheen's contributions to the field of materials science, particularly through his patented innovations, highlight his role as a significant inventor in the industry. His work continues to influence the development of advanced materials that improve performance and efficiency in various applications.