Minoru Kono

Title: Minoru Kono: Innovator in Polybutadiene Production

Introduction

Minoru Kono is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of polybutadiene. His innovative approach has led to advancements in the properties of this important material.

Latest Patents

Kono holds a patent for a process for producing polybutadiene. This process involves the polymerization of 1,3-butadiene in the presence of a specific cis-1,4-polymerization catalyst, followed by continued polymerization with a particular 1,2-polymerization catalyst. The resulting polybutadiene contains 2 to 40% of the 1,2-structure, with a melting point ranging from 110°C to 215°C. It also features 60 to 98% of the cis-1,4-structure and an intrinsic viscosity of 0.9 to 8 in tetraline at 135°C. The vulcanized product of this polybutadiene exhibits improved tear strength, flex-crack resistance, and tensile strength.

Career Highlights

Minoru Kono is associated with Ube Industries, Inc., where he has applied his expertise in polymer production. His work has contributed to the development of high-performance materials that are essential in various industrial applications.

Collaborations

Kono has collaborated with notable coworkers, including Shotaro Sugiura and Tetsuro Matsuura. Their combined efforts have furthered research and innovation in the field of polymer chemistry.

Conclusion

Minoru Kono's contributions to the production of polybutadiene highlight his role as an influential inventor in the field of polymer science. His innovative processes have led to significant advancements in material properties, benefiting various industries.