Changli Zhang

Title: Changli Zhang: Innovator in Catalyst Component Preparation

Introduction

Changli Zhang is a prominent inventor based in Beijing, China. He has made significant contributions to the field of catalyst preparation, particularly for olefin polymerization. With a total of 3 patents to his name, Zhang's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Zhang's latest patents include a preparation method of a catalyst component for olefin polymerization. This invention outlines a process that begins with dissolving an anhydrous magnesium halide into a mixed solvent containing an oxygen-containing organic titanium compound, an organic epoxy compound, a hydroxy-containing compound, and an inert solvent, excluding phosphate compounds. The resulting magnesium halide solution is then mixed with a halogen-containing compound to precipitate a solid catalyst component. This catalyst exhibits improved particle morphology and a favorable hydrogen response, making it suitable for use in slurry or gas polymerization processes.

Another notable patent is related to a magnesium halide solution that comprises a magnesium halide, an oxygen-containing organic titanium compound, a hydroxyl-containing compound, and an organic solvent. This solution also includes an organic heterocyclic compound, which enhances its stability and usability in catalyst preparation for olefin polymerization and copolymerization reactions. The raw materials for this solution are cost-effective and readily available, and the preparation method is environmentally friendly.

Career Highlights

Changli Zhang has worked with notable organizations, including China Petroleum & Chemical Corporation and the Beijing Research Institute of Chemical Industry. His experience in these institutions has allowed him to develop and refine his innovative methods in catalyst preparation.

Collaborations

Zhang has collaborated with several professionals in his field, including Shibo Wang and Dongbing Liu. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Changli Zhang is a distinguished inventor whose work in catalyst preparation has made a significant impact in the field of polymerization. His innovative methods and practical applications continue to influence the industry positively.