Shiro Nagahata

Title: Shiro Nagahata: Innovator in Polyurethane Technology

Introduction

Shiro Nagahata is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of polyurethane technology. His innovative work has led to the development of a unique process that enhances the preparation of polyurethane-polycarbodiimide foam.

Latest Patents

Nagahata holds a patent for a "Process for preparation of polyurethane-polycarbodiimide foam." This process involves reacting a polyol component containing a benzylic ether type phenol resin with hydroxymethyl groups and an organic polyisocyanate component. The reaction occurs in the presence of an organotin catalyst for urethane formation and a carbodiimidating catalyst. Notably, this process eliminates the need for fluorine-containing halogenated hydrocarbons as a blowing agent, allowing for on-site blowing using a spray blowing machine.

Career Highlights

Shiro Nagahata is associated with Nisshinbo Industries, Inc., where he has been able to apply his expertise in polyurethane technology. His work has not only advanced the company's product offerings but has also contributed to the broader field of materials science.

Collaborations

Nagahata has collaborated with several talented individuals, including Tatsuya Okutani and Yasuo Imashiro. These collaborations have fostered an environment of innovation and creativity within the company.

Conclusion

Shiro Nagahata's contributions to polyurethane technology exemplify the impact of innovative thinking in material science. His patented process represents a significant advancement in the preparation of polyurethane-polycarbodiimide foam, showcasing his role as a leading inventor in this field.