Company Filing History:
Years Active: 2000
Title: Junji Shiigi: Innovator in Polymer Chemistry
Introduction
Junji Shiigi is a notable inventor based in Tsukuba, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of polymers with quaternary ammonium groups. His innovative work has implications for various applications, including plastics modification and antimicrobial agents.
Latest Patents
Junji Shiigi holds a patent for a process involving the production of polymers that contain quaternary ammonium groups. This process entails polymerizing a vinyl monomer component that includes a vinyl monomer with a tertiary amino group. The polymerization occurs in the presence of a specific solvent while quaternizing the tertiary amino group with a quaternizing agent. The resulting vinyl polymers are produced in the form of particles that are easily separable from the solvent without the need for heating. This method allows for the creation of copolymers with a high content of hydrophobic vinyl monomers, which are beneficial as modifiers for plastics, permanent antistatic agents, bactericides, fungicides, and chemicals for paper making and water treatment.
Career Highlights
Junji Shiigi is associated with Arakawa Chemical Industries, Ltd., where he continues to advance his research and development in polymer chemistry. His work has led to practical applications that enhance the functionality of various materials.
Collaborations
He collaborates with esteemed colleagues, including Tatsuya Okumura and Jiro Mizuya, contributing to a dynamic research environment that fosters innovation and development in their field.
Conclusion
Junji Shiigi's contributions to polymer chemistry, particularly through his patented processes, highlight his role as an influential inventor. His work not only advances scientific knowledge but also provides practical solutions for various industries.