Cheng Wu

Title: Cheng Wu: Innovator in Polyether Polyol Refining and Circuit Failure Detection

Introduction

Cheng Wu is a notable inventor based in Shanghai, China. He has made significant contributions to the fields of chemical engineering and electrical testing. With a total of 4 patents, his work focuses on refining methods and apparatuses that enhance efficiency and effectiveness in various applications.

Latest Patents

Cheng Wu's latest patents include a polyether polyol refining method and apparatus. This innovative method involves neutralizing or diluting crude polyether polyol to create a mixed solution. The solution is then processed through a hydrophilic medium, which separates it into two density phases: an aqueous solution containing alkaline metal ions and the refined polyether polyol. This method simplifies treatment steps, increases efficiency, and minimizes polyether polyol loss. The resulting product has low alkaline ion content and minimal odor. Additionally, he has developed a method for locating open circuit failure points in test structures. This method utilizes a series resistor structure and active voltage contrast tests to accurately identify and mark open circuit points.

Career Highlights

Cheng Wu has worked with prominent companies such as Abb Schweiz AG and Jiahua Chemistry (Binzhou) Co., Ltd. His experience in these organizations has contributed to his expertise in refining processes and electrical testing methodologies.

Collaborations

Cheng has collaborated with notable coworkers, including Xinguo Fu and Jie Hui Xu. Their combined efforts have further advanced the innovations in their respective fields.

Conclusion

Cheng Wu's contributions to polyether polyol refining and circuit failure detection demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of chemical processes and electrical engineering, making him a valuable figure in these industries.