Shigeru Sakae

Title: The Innovative Contributions of Shigeru Sakae in Polyester Resin Technologies

Introduction

Shigeru Sakae, an accomplished inventor based in Hofu, Japan, has made significant contributions to the field of polyester resin compositions. With two patents to his name, his work exemplifies innovation in material science and engineering. Sakae's inventions focus primarily on enhancing the properties and production processes of polyester resin, catering to industrial applications.

Latest Patents

Among Shigeru Sakae's latest patents is a groundbreaking process for producing a polyester resin composition that incorporates at least 10 wt % of a white inorganic pigment. This innovative method involves kneading the polyester resin with the white inorganic pigment and conducting a polycondensation reaction at temperatures ranging from the melting point of polyester to 300°C under reduced pressure not exceeding 5 Torr.

Additionally, Sakae has patented another process for generating a titanium dioxide-containing polyester resin composition. This invention outlines the production of a white film suitable for use as a reflective photographic support. The process leverages a continuous kneading extruder where polyester resin and titanium dioxide are kneaded in a molten state, ensuring optimal integration and desired concentration. The specifications of this process emphasize the use of polyester resin with an intrinsic viscosity of at least 0.40 and titanium dioxide particles measuring between 0.1-0.5 μm, surface-treated for improved performance.

Career Highlights

Shigeru Sakae's career is marked by valuable experiences at renowned companies, including Konica Corporation and Kanebo, Limited. His tenure at these organizations provided him with a robust platform for research and development, enhancing his expertise in materials innovation and technology.

Collaborations

Throughout his career, Sakae has collaborated with notable coworkers, including Kazuto Kiyohara and Takanori Nakadate. Their partnership likely fostered an environment of creative synergy, driving forward the advancements in polyester resin technology.

Conclusion

In conclusion, Shigeru Sakae's contributions to polyester resin composition technology reflect a profound dedication to innovation. His latest patents not only enhance the properties of polyester resin but also open new avenues for applications. As an inventor, Sakae continues to exemplify the spirit of ingenuity and the pursuit of excellence in the field of material science.