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Title: Lei Yu: Innovator in Rubber and Chemical Engineering
Introduction
Lei Yu is a prominent inventor based in Shandong, China. He has made significant contributions to the fields of rubber technology and chemical engineering. With a total of 2 patents to his name, his work focuses on innovative materials and processes that enhance industrial applications.
Latest Patents
One of Lei Yu's latest patents is for a coated rubber particle, which is designed for use as a plugging material in drilling fluids. This invention details a coated rubber particle that consists of a rubber core and a coating layer. The core has a fluorine content ranging from 0-15%, while the coating layer contains 30-80% fluorine. The coated rubber particle boasts an impressive 24-hour oil absorption rate of 4% or less, making it particularly suitable for oil-based drilling fluids due to its excellent oil resistance.
Another significant patent by Lei Yu is a preparation method for optically active citronellal. This method enhances the catalytic stability of optically active transition metal catalysts used in asymmetric hydrogenation reactions. The process involves subjecting a substrate to an asymmetric hydrogenation reaction in the presence of a transition metal catalyst, which is derived from a transition metal compound and an optically active ligand containing two phosphorus atoms. The substrate can be neral, geranial, or a combination of both, with specific controls on hydroxyl value and iron content to optimize the reaction.
Career Highlights
Throughout his career, Lei Yu has worked with notable companies such as Wanhua Chemical Group Co., Ltd. and China Petroleum & Chemical Corporation. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in chemical processes and materials.
Collaborations
Lei Yu has collaborated with esteemed colleagues, including Jing Dong and Yongzhen Zhang. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in their respective fields.
Conclusion
In summary, Lei Yu is a distinguished inventor whose work in rubber technology and chemical engineering has led to significant advancements in industrial applications. His innovative patents and collaborations highlight his commitment to enhancing material performance and process efficiency.
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