Shigekazu Matsui

Title: **Innovative Contributions of Shigekazu Matsui in Olefin Polymer Technologies**

Introduction

Shigekazu Matsui, a prolific inventor based in Sodegaura, Japan, has significantly contributed to the field of polymer chemistry, particularly in the development of olefin polymers. With an impressive portfolio of 23 patents, Matsui's innovations focus on creating polymers that exhibit unique properties and functionalities, advancing both industrial applications and material science.

Latest Patents

Matsui's recent patents encompass a range of advancements in olefin polymers. Among them are:

1. **Olefin polymer and process for preparing the same**: This invention details the creation of olefin polymers characterized by a narrow molecular weight distribution and specified molecular weight. The polymers can include functional groups at their terminals, featuring tapered structures with varying monomer compositions along the polymer chain.

2. **Polyolefin polymer containing vinyl groups at both ends**: This patent describes a novel polyolefin polymer composed of vinyl groups at both terminals. The polymer integrates units derived from ethylene, α-olefins with 3 to 20 carbon atoms, and cyclic olefins. Notable for its excellent mechanical properties, the polymer can be processed using various molding techniques and demonstrates strong acid resistance and resistance to hydrolysis.

These olefin polymers, formed by polymerizing C-carbon atom olefins with a number-average molecular weight of ≥500 and a molecular weight distribution of Mw/Mn ≤1.5, showcase notable advancements in polymer technology.

Career Highlights

Throughout his career, Shigekazu Matsui has held pivotal roles in leading chemical companies, including Mitsui Chemicals, Inc. and Mitsui Petrochemical Industries, Ltd. His work within these organizations has facilitated groundbreaking research and innovation in polymer synthesis and application.

Collaborations

Matsui has collaborated with notable colleagues, including Terunori Fujita and Makoto Mitani. These partnerships have strengthened his research and contributed to the successful commercialization of advanced polymer products.

Conclusion

Shigekazu Matsui stands as a significant figure in the realm of polymer chemistry, with his innovative patents paving the way for new materials with enhanced properties. His commitment to advancing olefin polymer technology continues to make a lasting impact on the industry and research sectors, reflecting the vital role of inventors in shaping modern materials science.