Company Filing History:
Years Active: 2024
Title: The Innovative Contributions of Dong-jin Han in Polyester Resin Development
Introduction: Dong-jin Han, located in Gyeonggi-do, South Korea, is a notable inventor known for his contributions to the field of materials science, particularly in the development of polyester resins. With a single patent to his name, Han's work is characterized by its impact on various applications, including packaging and textile industries.
Latest Patents: Han's patented invention revolves around a unique type of polyester resin. This resin is recognized for its excellent heat resistance and transparency, making it highly suitable for applications such as bottles, sheets, multilayer sheets, stretched films, and fiber products. Importantly, the polyester resin demonstrates minimal deterioration of physical properties, such as yellowing, during processing, ensuring product longevity and quality. The invention involves a specific esterification reaction between terephthalic acid and isosorbide in the presence of a catalyst, followed by a polycondensation reaction. The mixing ratio of the dicarboxylic acid to the diol during the initial phase is notably between 1:1.02 and 1:1.04.
Career Highlights: Han has made significant strides in his career as an inventor. He is currently employed at Sk Chemicals Co., Ltd., a prominent company in the chemical industry. His expertise in polyester resin development not only showcases his innovative spirit but also contributes to the advancement of materials utilized in everyday products.
Collaborations: Throughout his career, Dong-jin Han has collaborated with various professionals, notably with his coworker Yoo Jin Lee. These collaborations likely enhance the innovative processes and applications of his patented technology, especially in research and development projects aimed at improving polyester resin applications.
Conclusion: Dong-jin Han's contributions to the field of polyester resin technology reflect his dedication to innovation within materials science. With a focus on enhancing physical properties and processing capabilities, Han’s patent represents a significant leap forward for the chemical industry. His ongoing work at Sk Chemicals Co., Ltd. continues to inspire advancements and potential new applications in various sectors, ensuring a lasting impact on future innovations.