Company Filing History:
Years Active: 2014-2015
Title: Joon-Sang Cho: Innovator in Polyarylene Sulfide Technology
Introduction
Joon-Sang Cho is a prominent inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyarylene sulfide materials. With a total of 2 patents to his name, Cho's work has implications for various industrial applications.
Latest Patents
Cho's latest patents include innovative methods for preparing polyarylene sulfide with reduced free iodine content. The first patent outlines a method that involves polymerizing reactants, including a diiodo aromatic compound and a sulfur compound, followed by heat-setting the product at temperatures between 100 to 260°C. This method effectively reduces the free iodine content, preventing potential corrosion in subsequent processing facilities and enhancing the thermal stability of the polyarylene sulfide product.
The second patent describes a method for preparing polyarylene sulfide by adding diphenyl disulfide to the reactants. This addition not only lowers production costs but also results in a polyarylene sulfide with a melting point of 265 to 320°C. The use of diphenyl disulfide as a polymerization inhibitor is a cost-effective alternative to conventional methods, yielding a product with low iodine content and excellent thermal stability.
Career Highlights
Joon-Sang Cho is currently associated with Sk Chemicals Co., Ltd., where he continues to innovate in the field of polymer materials. His work has garnered attention for its practical applications and cost-effectiveness in industrial settings.
Collaborations
Cho has collaborated with notable colleagues, including Yong-Jun Shin and Jae-Bong Lim, contributing to advancements in polymer technology.
Conclusion
Joon-Sang Cho's contributions to the field of polyarylene sulfide technology highlight his innovative spirit and commitment to improving industrial processes. His patents reflect a deep understanding of polymer chemistry and its applications, making him a valuable figure in the industry.