Su-Jin Lee

Title: Innovations of Su-Jin Lee in Polyester Yarn Technology.

Introduction

Su-Jin Lee is an accomplished inventor based in Gyeongsangbuk-do, South Korea. He has made significant contributions to the field of textile engineering, particularly in the development of high-performance polyester yarns. His innovative work has led to advancements that benefit various industrial applications.

Latest Patents

Su-Jin Lee holds a patent for a "High strength low shrinkage polyester drawn yarn, and a process of preparing for the same." This invention discloses a high strength low shrinkage polyester drawn yarn used as industrial yarns. The yarn exhibits a thermal relaxation stress change ratio of 5 to 100% and a thermal relaxation stress area ratio of 50 to 140% on a thermal relaxation and shrinkage stress curve with a final temperature set to 170°C. The process for producing this yarn involves a direct spin draw (DSD) method, which includes a quenching delay region. The yarn is produced by attaching a spinning oil during the spinning process, with specific tension controls to manage the relaxation stress.

Career Highlights

Su-Jin Lee is currently employed at Kolon Industries, Inc., where he continues to innovate in the field of polyester yarn technology. His work has been instrumental in enhancing the performance characteristics of industrial yarns, making them more suitable for various applications.

Collaborations

Su-Jin Lee collaborates with Yun-Jo Kim, who is also a key contributor in their field. Their partnership has fostered a creative environment that encourages the development of new technologies and solutions.

Conclusion

Su-Jin Lee's contributions to the field of polyester yarn technology exemplify the impact of innovation in industrial applications. His patent and ongoing work at Kolon Industries, Inc. highlight the importance of research and development in creating advanced materials.