Zhufang Sun

Title: Zhufang Sun: Innovator in Olefin Polymerization

Introduction

Zhufang Sun is a prominent inventor based in Beijing, China, known for his significant contributions to the field of olefin polymerization. With a total of seven patents to his name, he has made remarkable advancements in catalyst systems that enhance the efficiency and quality of polymer production.

Latest Patents

Among his latest patents is a catalyst system for olefin polymerization, which includes a main catalyst and a cocatalyst. This cocatalyst features a twelve-membered ring compound that allows for the production of polypropylene products with high stereoregularity and low ash content. The system is designed to regulate the melt index of the products over a wide range by adjusting the amount of hydrogenation. Additionally, it is suitable for copolymerization systems, improving copolymerization yield. Another notable patent is an olefin polymerization catalyst comprising cyclotriveratrylene and its derivatives. This Ziegler-Natta catalyst system incorporates various compounds that serve as internal and external electron donors, enhancing the overall efficiency of the polymerization process.

Career Highlights

Zhufang Sun has worked with leading organizations, including China Petroleum & Chemical Corporation and the Beijing Research Institute of Chemical Industry. His experience in these institutions has allowed him to develop innovative solutions that address the challenges in polymer production.

Collaborations

Throughout his career, Zhufang Sun has collaborated with notable colleagues, including Lunjia Xie and Siyuan Zhao. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Zhufang Sun's work in the field of olefin polymerization has established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing chemical engineering and polymer science.