Shigeo Tsuyama

Title: Shigeo Tsuyama: Innovator in Olefin Polymerization

Introduction

Shigeo Tsuyama is a prominent inventor based in Kurashiki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of olefin polymers. With a total of 5 patents to his name, Tsuyama's work has had a substantial impact on the industry.

Latest Patents

Tsuyama's latest patents include a method for producing a homopolymer or copolymer of an alpha-olefin. This innovative method utilizes a specific catalyst that comprises a solid catalyst component obtained by contacting a titanium compound and an aromatic carboxylic ester with a solid component derived from a hydrocarbon solvent-soluble organomagnesium compound. The result is an alpha-olefin homopolymer or copolymer that exhibits high bulk density and stereoregularity, produced efficiently under high temperature and long polymerization time conditions. Another notable patent involves an olefin polymerization catalyst that demonstrates extremely high activity even at low temperatures. This catalyst is particularly suited for the production of blow molding polymers and comprises a chromium compound supported by an inorganic oxide carrier.

Career Highlights

Shigeo Tsuyama is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work has been instrumental in advancing the technology related to olefin polymerization, contributing to the development of more efficient and effective production methods.

Collaborations

Throughout his career, Tsuyama has collaborated with notable colleagues, including Hisaya Sakurai and Tadashi Ikegami. These collaborations have further enriched his research and innovations in the field.

Conclusion

Shigeo Tsuyama's contributions to the field of polymer chemistry, particularly in olefin polymerization, highlight his role as a key innovator. His patents reflect a commitment to advancing technology and improving production methods in the industry.