Tuneyuki Ohsawa

Title: Innovations of Tuneyuki Ohsawa in Thermosetting Phenolic Resins

Introduction

Tuneyuki Ohsawa is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of materials science, particularly in the development of thermosetting phenolic resins. His innovative work has led to advancements that are applicable in various industries.

Latest Patents

Ohsawa holds a patent for "Spherical particles of thermosetting phenolic resin and process for." This invention relates to a process for producing spherical thermosetting phenolic resin particles that are no larger than about 1,000 microns. The process involves reacting a novolak resin with a nitrogenous basic compound, and optionally an aldehyde, while suspended in an aqueous medium with a suspension stabilizer. The resulting thermosetting phenolic resin exhibits superior thermal curing characteristics during molding. The cured products demonstrate excellent physical properties, including improved mechanical strength and heat resistance. These spherical particles can be extensively utilized as molding materials, binders, adhesives, and in many other applications.

Career Highlights

Tuneyuki Ohsawa is associated with Unitika Ltd., where he has contributed to the advancement of materials technology. His work has been instrumental in enhancing the performance and applications of thermosetting resins.

Collaborations

Ohsawa has collaborated with notable colleagues, including Yoshiaki Echigo and Kenichi Sugawara. Their combined expertise has furthered the development of innovative materials and processes.

Conclusion

Tuneyuki Ohsawa's contributions to the field of thermosetting phenolic resins highlight his role as an influential inventor. His patented processes and materials continue to impact various industries positively.