Seiichi Katsuragawa

Title: Seiichi Katsuragawa: Innovator in Composite Materials

Introduction

Seiichi Katsuragawa is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of composite materials, particularly through his innovative patent. His work focuses on enhancing the properties of materials used in various applications.

Latest Patents

Katsuragawa holds a patent for a glass fiber reinforced flexible composite material using soft fluororesin. This composite material is created by dispersing or embedding glass fiber in a fluororesin, which is a graft copolymer formed by grafting a crystalline fluoro-polymer to an elastomeric fluoro-polymer. The process involves graft polymerization of vinylidene fluoride with an elastomeric copolymer of vinylidene fluoride, chlorotrifluoroethylene, and an unsaturated peroxy compound. The resulting composite material exhibits the unique physical and chemical properties characteristic of fluororesins, while also being flexible and easily melt processable. Sheets made from this composite material, utilizing glass fiber cloth, possess a soft feel and can be easily joined through high-frequency welding.

Career Highlights

Katsuragawa is associated with Central Glass Company, Limited, where he has been able to apply his expertise in material science. His innovative approach has led to advancements in the development of flexible composite materials, which are essential in various industrial applications.

Collaborations

Throughout his career, Katsuragawa has collaborated with notable colleagues, including Chikashi Kawashima and Tomio Masaki. These collaborations have contributed to the advancement of technology in the field of composite materials.

Conclusion

Seiichi Katsuragawa's contributions to the field of composite materials, particularly through his patented innovations, highlight his role as a significant inventor. His work continues to influence the development of advanced materials in various industries.