Kiyoichi Matsumoto

Title: Kiyoichi Matsumoto: Innovator in Polylactic Acid Films

Introduction

Kiyoichi Matsumoto is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of materials science, particularly in the development of oriented films made from polylactic acid. His innovative work has implications for various applications, including packaging and sustainable materials.

Latest Patents

Matsumoto holds a patent for "Oriented films of polylactic acid and methods of producing same." This patent describes a process for producing an oriented film with enhanced tensile strength and Young's modulus. The method involves melting and extruding poly-L-lactic acid and/or poly-D-lactic acid to form a film. After rapid cooling, the film undergoes a stretching process at a temperature above the glass transition temperature and below the cold-crystallization temperature. The resulting films exhibit a tensile strength exceeding 6 kgf/mm² in the stretching direction, a Young's modulus over 220 kgf/mm², and transparency to visible light greater than 90%.

Career Highlights

Kiyoichi Matsumoto is associated with Shimadzu Corporation, where he has been able to apply his expertise in materials science. His work has contributed to advancements in the production of high-performance films, which are essential for various industrial applications.

Collaborations

Matsumoto has collaborated with notable colleagues such as Shu Tahara and Eiichi Ozeki. These collaborations have likely enhanced the research and development efforts within his field, leading to innovative solutions and advancements.

Conclusion

Kiyoichi Matsumoto's contributions to the field of polylactic acid films demonstrate his commitment to innovation and sustainability. His patented methods and collaborative efforts continue to influence the materials science landscape.