Ye Sun

Title: Ye Sun: Innovator in Chemical Engineering

Introduction

Ye Sun is a prominent inventor based in Shandong, China. He has made significant contributions to the field of chemical engineering, particularly in the development of innovative methods for producing essential chemical compounds. With a total of 2 patents to his name, Ye Sun continues to push the boundaries of chemical processes.

Latest Patents

Ye Sun's latest patents include a method for preparing isophorone diisocyanate. This method involves a three-step process: first, reacting isophorone with hydrogen cyanide in the presence of a catalyst to obtain isophorone nitrile; second, reacting the isophorone nitrile with ammonia gas and hydrogen to produce isophorone diamine; and third, subjecting the isophorone diamine to a phosgenation reaction to yield isophorone diisocyanate. This innovative method significantly reduces the content of hydrolyzed chlorine in the final product, enhancing its yellowing resistance and minimizing harmful impurities.

Another notable patent involves a macromonomeric stabilizer and its preparation method. This stabilizer is used to create a polymeric polyol, which is essential for producing soft polyurethane foam. The preparation method includes reacting a polyol with a tricarboxylate to form an adduct, followed by a reaction with an epoxide. The resulting macromonomeric stabilizer boasts low viscosity and multiple active sites, making it highly effective in subsequent chemical reactions.

Career Highlights

Ye Sun is currently employed at Wanhua Chemical Group Co., Ltd., a leading company in the chemical industry. His work focuses on developing innovative chemical processes that enhance product quality and reduce environmental impact. His expertise in chemical engineering has positioned him as a valuable asset to his organization.

Collaborations

Ye Sun collaborates with talented colleagues, including Yong Yu and Yonghua Shang, who contribute to his research and development efforts. Their combined expertise fosters a creative environment that drives innovation within their projects.

Conclusion

Ye Sun's contributions to chemical engineering through his patents and innovative methods demonstrate his commitment to advancing the field. His work not only improves product quality but also addresses environmental concerns, making him a noteworthy inventor in the industry.