Sumio Shimada

Title: Sumio Shimada: Innovator in Polyolefin Resin Technology

Introduction

Sumio Shimada is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of polyolefin resin technology, holding 2 patents that showcase his innovative approaches to producing pre-foamed particles.

Latest Patents

Shimada's latest patents include a process for producing pre-foamed particles of polyolefin resin. This process involves impregnating a volatile blowing agent into particles of polyolefin resin while dispersing them in a medium under heat in a closed vessel. The method ensures that the pressure inside the vessel is maintained at a substantially constant level after opening one end, allowing for the simultaneous release of resin particles and dispersing medium into a lower pressure atmosphere. Another patent focuses on producing substantially non-crosslinked pre-foamed particles of polypropylene resin, utilizing a mixture of ethylene/propylene random copolymer and other materials, ensuring effective dispersion and production.

Career Highlights

Sumio Shimada is associated with Japan Styrene Paper Corporation, where he has applied his expertise in resin technology. His work has contributed to advancements in the production processes of polyolefin materials, enhancing their applications in various industries.

Collaborations

Shimada has collaborated with notable coworkers, including Kuninori Hirosawa and Hiroyuki Akiyama. Their combined efforts have furthered research and development in the field of resin technology.

Conclusion

Sumio Shimada's innovative work in polyolefin resin technology has led to significant advancements in the production of pre-foamed particles. His contributions continue to influence the industry and inspire future innovations.