Shigemi Mathumoto

Title: Shigemi Mathumoto: Innovator in Copolymer Technology

Introduction

Shigemi Mathumoto is a notable inventor based in Takasago, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of high-content copolymers. His innovative work has led to the filing of multiple patents, showcasing his expertise and dedication to advancing material science.

Latest Patents

Mathumoto holds 2 patents, with his latest focusing on alpha-methylstyrene high-content copolymers. This copolymer is characterized by its composition, which includes 65-90 parts by weight of alpha-methylstyrene, 35-10 parts by weight of acrylonitrile, and up to 5 parts by weight of copolymerizable vinyl monomers. The process for producing this copolymer involves a carefully controlled emulsion polymerization technique, ensuring that the ratio of alpha-methylstyrene to other monomers is maintained at 90/10 or higher. The resulting thermoplastic resin composition demonstrates excellent heat and impact resistance, making it suitable for various applications.

Career Highlights

Throughout his career, Mathumoto has worked with Kanegafuchi Kagaku Kogyo, a company known for its advancements in chemical manufacturing. His role in this organization has allowed him to further develop his expertise in polymer technology and contribute to innovative projects.

Collaborations

Mathumoto has collaborated with Fumiya Nagoshi, a talented coworker who has also made significant contributions to their field. Their partnership has fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Shigemi Mathumoto's work in the field of copolymer technology exemplifies the impact of innovative thinking in material science. His patents and collaborations highlight his commitment to advancing the industry and improving the properties of thermoplastic materials.