Chung-Huei Shieh

Title: Innovations by Chung-Huei Shieh in Carbon Black Technology

Introduction

Chung-Huei Shieh is a notable inventor based in Lexington, MA (US). He has made significant contributions to the field of materials science, particularly in the development of novel carbon blacks. His work focuses on enhancing the properties of rubber and plastic compositions, which are essential in various industrial applications.

Latest Patents

Chung-Huei Shieh holds a patent for "Low ash carbon blacks." This invention describes novel furnace carbon blacks that impart advantageous properties to rubber and plastic compositions. These carbon blacks can be utilized in place of acetylene blacks and have an ash level less than or equal to 50 ppm, with preferred levels being less than or equal to 30 ppm, and most preferably less than or equal to 10 ppm. Additionally, the sulfur level is also controlled to be less than or equal to 50 ppm, with similar preferred levels. The invention includes rubber and plastic compositions that incorporate these novel furnace carbon blacks, which exhibit advantageous properties, particularly in extending the useful service life of power cables produced using these compositions.

Career Highlights

Chung-Huei Shieh is associated with Cabot Corporation, a leading company in the field of specialty chemicals and performance materials. His work at Cabot Corporation has allowed him to focus on innovative solutions that enhance product performance and sustainability.

Collaborations

Chung-Huei has collaborated with notable colleagues, including Daniel W Weaver and Frank J Hrach, Jr. These collaborations have contributed to the advancement of technology in carbon black applications.

Conclusion

Chung-Huei Shieh's innovative work in the development of low ash carbon blacks represents a significant advancement in materials science. His contributions not only improve the performance of rubber and plastic compositions but also enhance the longevity of critical industrial products.