Masaaki Ohtsuru

Title: Masaaki Ohtsuru: Innovator in Polymer Chemistry

Introduction

Masaaki Ohtsuru is a notable inventor based in Mie, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced materials. With a total of 3 patents to his name, Ohtsuru's work has had a considerable impact on various industrial applications.

Latest Patents

Ohtsuru's latest patents include innovative methods for producing polyethylene and poly(phenylene sulfide). His polyethylene patent describes a polymer with 1 to 60 methyl branches and 1 to 60 hexyl or higher branches per 1000 carbon atoms. This polyethylene has a g-value of 0.5 to 0.8 and a limiting viscosity of 0.005 to 20.0 dl/g, measured at 140°C in o-dichlorobenzene. The production method involves polymerizing ethylene using a catalyst system that includes a coordination nickel compound and an aminobis(imino)phosphorane. His work on poly(phenylene sulfide) focuses on enhancing the reactivity of the polymer by treating it with alkali metal sulfides in a polar aprotic solvent at low temperatures. This modification improves compatibility with other polymers, making it useful for creating polymer alloys with enhanced properties.

Career Highlights

Throughout his career, Ohtsuru has worked with prominent companies such as Tosoh Corporation and Toso Susteel Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer production and innovation.

Collaborations

Ohtsuru has collaborated with notable colleagues, including Hiroshi Inoue and Toshikazu Kato. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Masaaki Ohtsuru's contributions to polymer chemistry through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches to material production continue to shape the industry and inspire future advancements.