Kazunori Toshima

Title: Kazunori Toshima: Innovator in Pore-Free Molding Technology

Introduction

Kazunori Toshima is a notable inventor based in Kitamoto, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of methods for producing pore-free materials. His innovative approach has led to advancements in the manufacturing of polynorbornene articles.

Latest Patents

Kazunori Toshima holds a patent for a method of making pore-free molding with thick sections. This method involves providing a monomer charge that contains at least one norbornene monomer with a tricyclic or higher cyclic structure. The process includes introducing the monomer charge into a mold at a temperature greater than the inside mold temperature, polymerizing the charge under pressure using a ring-opening catalyst system, cooling the molded article, and finally removing it from the mold. This innovative technique allows for the production of thick-walled, pore-free polynorbornene articles, enhancing their structural integrity and performance.

Career Highlights

Kazunori Toshima is associated with Nippon Zeon Company, Ltd., where he has been instrumental in advancing polymer technologies. His work has not only contributed to the company's reputation but has also positioned him as a key figure in the field of materials science.

Collaborations

Kazunori has collaborated with notable colleagues such as Koji Chono and Hiroshi Ozeki. Their combined expertise has fostered an environment of innovation and has led to the successful development of new technologies in the industry.

Conclusion

Kazunori Toshima's contributions to the field of polymer technology, particularly through his patented method for producing pore-free molding, highlight his role as an influential inventor. His work continues to impact the industry positively, paving the way for future innovations in material science.