Shigeo Hatano

Title: Shigeo Hatano: Innovator in Flexible Polyurethane Foam

Introduction

Shigeo Hatano is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of flexible polyurethane foam. His innovative work focuses on enhancing the sound-absorbing properties of this material, which has various applications in industries such as automotive and construction.

Latest Patents

One of Shigeo Hatano's key patents is for a flexible polyurethane foam and the process for its production. This invention aims to provide a flexible polyurethane foam with improved sound-absorbing properties in the low-frequency region. The patented process involves foaming a starting material composition that includes a high molecular weight polyoxyalkylene polyol, an organic polyisocyanate compound, a blowing agent, and a catalyst. Notably, at least part of the polyoxyalkylene polyol used has specific characteristics that enhance the foam's performance, including a molecular weight per hydroxyl group ranging from 1,800 to 2,800 and a total unsaturation value of at most 0.08 meq/g. The resulting foam exhibits an air flowability of at most 0.085 m/min when foamed to a thickness of 26 mm.

Career Highlights

Shigeo Hatano is currently associated with Asahi Glass Company, Limited, where he continues to innovate in the field of materials. His work has not only contributed to the company's portfolio but has also advanced the understanding of flexible polyurethane foams in various applications.

Collaborations

Throughout his career, Shigeo has collaborated with notable colleagues, including Katsuji Kuribayashi and Takayuki Sasaki. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Shigeo Hatano's contributions to the field of flexible polyurethane foam exemplify the impact of innovative thinking in materials science. His patented processes and collaborative efforts continue to influence the industry, paving the way for advancements in sound-absorbing materials.